Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull vfs pile (part one) from Al Viro:
 "Assorted stuff - cleaning namei.c up a bit, fixing ->d_name/->d_parent
  locking violations, etc.

  The most visible changes here are death of FS_REVAL_DOT (replaced with
  "has ->d_weak_revalidate()") and a new helper getting from struct file
  to inode.  Some bits of preparation to xattr method interface changes.

  Misc patches by various people sent this cycle *and* ocfs2 fixes from
  several cycles ago that should've been upstream right then.

  PS: the next vfs pile will be xattr stuff."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (46 commits)
  saner proc_get_inode() calling conventions
  proc: avoid extra pde_put() in proc_fill_super()
  fs: change return values from -EACCES to -EPERM
  fs/exec.c: make bprm_mm_init() static
  ocfs2/dlm: use GFP_ATOMIC inside a spin_lock
  ocfs2: fix possible use-after-free with AIO
  ocfs2: Fix oops in ocfs2_fast_symlink_readpage() code path
  get_empty_filp()/alloc_file() leave both ->f_pos and ->f_version zero
  target: writev() on single-element vector is pointless
  export kernel_write(), convert open-coded instances
  fs: encode_fh: return FILEID_INVALID if invalid fid_type
  kill f_vfsmnt
  vfs: kill FS_REVAL_DOT by adding a d_weak_revalidate dentry op
  nfsd: handle vfs_getattr errors in acl protocol
  switch vfs_getattr() to struct path
  default SET_PERSONALITY() in linux/elf.h
  ceph: prepopulate inodes only when request is aborted
  d_hash_and_lookup(): export, switch open-coded instances
  9p: switch v9fs_set_create_acl() to inode+fid, do it before d_instantiate()
  9p: split dropping the acls from v9fs_set_create_acl()
  ...

383 files changed, 1276 insertions, 1423 deletions

diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index f48e0c6b4c4..0706d32a61e 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -10,6 +10,7 @@ be able to use diff(1).
 --------------------------- dentry_operations --------------------------
 prototypes:
 	int (*d_revalidate)(struct dentry *, unsigned int);
+	int (*d_weak_revalidate)(struct dentry *, unsigned int);
 	int (*d_hash)(const struct dentry *, const struct inode *,
 			struct qstr *);
 	int (*d_compare)(const struct dentry *, const struct inode *,
@@ -25,6 +26,7 @@ prototypes:
 locking rules:
 		rename_lock	->d_lock	may block	rcu-walk
 d_revalidate:	no		no		yes (ref-walk)	maybe
+d_weak_revalidate:no		no		yes	 	no
 d_hash		no		no		no		maybe
 d_compare:	yes		no		no		maybe
 d_delete:	no		yes		no		no
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index 0472c31c163..4db22f6491e 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -441,3 +441,7 @@ d_make_root() drops the reference to inode if dentry allocation fails.
 two, it gets "is it an O_EXCL or equivalent?" boolean argument.  Note that
 local filesystems can ignore tha argument - they are guaranteed that the
 object doesn't exist.  It's remote/distributed ones that might care...
+--
+[mandatory]
+	FS_REVAL_DOT is gone; if you used to have it, add ->d_weak_revalidate()
+in your dentry operations instead.
diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt
index e3869098163..bc4b06b3160 100644
--- a/Documentation/filesystems/vfs.txt
+++ b/Documentation/filesystems/vfs.txt
@@ -900,6 +900,7 @@ defined:
 
 struct dentry_operations {
 	int (*d_revalidate)(struct dentry *, unsigned int);
+	int (*d_weak_revalidate)(struct dentry *, unsigned int);
 	int (*d_hash)(const struct dentry *, const struct inode *,
 			struct qstr *);
 	int (*d_compare)(const struct dentry *, const struct inode *,
@@ -915,8 +916,13 @@ struct dentry_operations {
 
   d_revalidate: called when the VFS needs to revalidate a dentry. This
 	is called whenever a name look-up finds a dentry in the
-	dcache. Most filesystems leave this as NULL, because all their
-	dentries in the dcache are valid
+	dcache. Most local filesystems leave this as NULL, because all their
+	dentries in the dcache are valid. Network filesystems are different
+	since things can change on the server without the client necessarily
+	being aware of it.
+
+	This function should return a positive value if the dentry is still
+	valid, and zero or a negative error code if it isn't.
 
 	d_revalidate may be called in rcu-walk mode (flags & LOOKUP_RCU).
 	If in rcu-walk mode, the filesystem must revalidate the dentry without
@@ -927,6 +933,20 @@ struct dentry_operations {
 	If a situation is encountered that rcu-walk cannot handle, return
 	-ECHILD and it will be called again in ref-walk mode.
 
+ d_weak_revalidate: called when the VFS needs to revalidate a "jumped" dentry.
+	This is called when a path-walk ends at dentry that was not acquired by
+	doing a lookup in the parent directory. This includes "/", "." and "..",
+	as well as procfs-style symlinks and mountpoint traversal.
+
+	In this case, we are less concerned with whether the dentry is still
+	fully correct, but rather that the inode is still valid. As with
+	d_revalidate, most local filesystems will set this to NULL since their
+	dcache entries are always valid.
+
+	This function has the same return code semantics as d_revalidate.
+
+	d_weak_revalidate is only called after leaving rcu-walk mode.
+
   d_hash: called when the VFS adds a dentry to the hash table. The first
 	dentry passed to d_hash is the parent directory that the name is
 	to be hashed into. The inode is the dentry's inode.
diff --git a/arch/alpha/kernel/srm_env.c b/arch/alpha/kernel/srm_env.c
index b9fc6c309d2..e64559f0a82 100644
--- a/arch/alpha/kernel/srm_env.c
+++ b/arch/alpha/kernel/srm_env.c
@@ -111,7 +111,7 @@ static ssize_t srm_env_proc_write(struct file *file, const char __user *buffer,
 				  size_t count, loff_t *pos)
 {
 	int res;
-	srm_env_t	*entry = PDE(file->f_path.dentry->d_inode)->data;
+	srm_env_t	*entry = PDE(file_inode(file))->data;
 	char		*buf = (char *) __get_free_page(GFP_USER);
 	unsigned long	ret1, ret2;
 
diff --git a/arch/avr32/include/asm/elf.h b/arch/avr32/include/asm/elf.h
index e2c32873980..d232888b99d 100644
--- a/arch/avr32/include/asm/elf.h
+++ b/arch/avr32/include/asm/elf.h
@@ -102,7 +102,4 @@ typedef struct user_fpu_struct elf_fpregset_t;
 
 #define ELF_PLATFORM  (NULL)
 
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX_32BIT | (current->personality & (~PER_MASK)))
-
 #endif /* __ASM_AVR32_ELF_H */
diff --git a/arch/blackfin/include/asm/elf.h b/arch/blackfin/include/asm/elf.h
index 14bc98ff668..d15cb9b5d52 100644
--- a/arch/blackfin/include/asm/elf.h
+++ b/arch/blackfin/include/asm/elf.h
@@ -132,7 +132,4 @@ do {											\
 
 #define ELF_PLATFORM  (NULL)
 
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-
 #endif
diff --git a/arch/blackfin/kernel/cplbinfo.c b/arch/blackfin/kernel/cplbinfo.c
index 0bdaa517a50..e1d0b24c607 100644
--- a/arch/blackfin/kernel/cplbinfo.c
+++ b/arch/blackfin/kernel/cplbinfo.c
@@ -116,7 +116,7 @@ static const struct seq_operations cplbinfo_sops = {
 
 static int cplbinfo_open(struct inode *inode, struct file *file)
 {
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *pde = PDE(file_inode(file));
 	char cplb_type;
 	unsigned int cpu;
 	int ret;
diff --git a/arch/c6x/include/asm/elf.h b/arch/c6x/include/asm/elf.h
index 32b997126ad..9a4dfc5eb24 100644
--- a/arch/c6x/include/asm/elf.h
+++ b/arch/c6x/include/asm/elf.h
@@ -77,9 +77,6 @@ do {								\
 
 #define ELF_PLATFORM  (NULL)
 
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-
 /* C6X specific section types */
 #define SHT_C6000_UNWIND	0x70000001
 #define SHT_C6000_PREEMPTMAP	0x70000002
diff --git a/arch/cris/arch-v10/drivers/sync_serial.c b/arch/cris/arch-v10/drivers/sync_serial.c
index c4b71710fb0..a1c498d18d3 100644
--- a/arch/cris/arch-v10/drivers/sync_serial.c
+++ b/arch/cris/arch-v10/drivers/sync_serial.c
@@ -654,7 +654,7 @@ static int sync_serial_release(struct inode *inode, struct file *file)
 
 static unsigned int sync_serial_poll(struct file *file, poll_table *wait)
 {
-	int dev = MINOR(file->f_dentry->d_inode->i_rdev);
+	int dev = MINOR(file_inode(file)->i_rdev);
 	unsigned int mask = 0;
 	struct sync_port *port;
 	DEBUGPOLL(static unsigned int prev_mask = 0);
@@ -685,7 +685,7 @@ static int sync_serial_ioctl_unlocked(struct file *file,
 	int return_val = 0;
 	unsigned long flags;
 
-	int dev = MINOR(file->f_dentry->d_inode->i_rdev);
+	int dev = MINOR(file_inode(file)->i_rdev);
 	struct sync_port *port;
 
 	if (dev < 0 || dev >= NUMBER_OF_PORTS || !ports[dev].enabled) {
@@ -973,7 +973,7 @@ static long sync_serial_ioctl(struct file *file,
 static ssize_t sync_serial_write(struct file *file, const char *buf,
 	size_t count, loff_t *ppos)
 {
-	int dev = MINOR(file->f_dentry->d_inode->i_rdev);
+	int dev = MINOR(file_inode(file)->i_rdev);
 	DECLARE_WAITQUEUE(wait, current);
 	struct sync_port *port;
 	unsigned long flags;
@@ -1097,7 +1097,7 @@ static ssize_t sync_serial_write(struct file *file, const char *buf,
 static ssize_t sync_serial_read(struct file *file, char *buf,
 				size_t count, loff_t *ppos)
 {
-	int dev = MINOR(file->f_dentry->d_inode->i_rdev);
+	int dev = MINOR(file_inode(file)->i_rdev);
 	int avail;
 	struct sync_port *port;
 	unsigned char *start;
diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c
index f8476d9e856..877da190823 100644
--- a/arch/cris/arch-v32/drivers/cryptocop.c
+++ b/arch/cris/arch-v32/drivers/cryptocop.c
@@ -3135,11 +3135,10 @@ static long cryptocop_ioctl_unlocked(struct inode *inode,
 static long
 cryptocop_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-       struct inode *inode = file->f_path.dentry->d_inode;
        long ret;
 
        mutex_lock(&cryptocop_mutex);
-       ret = cryptocop_ioctl_unlocked(inode, filp, cmd, arg);
+       ret = cryptocop_ioctl_unlocked(file_inode(filp), filp, cmd, arg);
        mutex_unlock(&cryptocop_mutex);
 
        return ret;
diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c
index a6a180bc566..219f704e322 100644
--- a/arch/cris/arch-v32/drivers/sync_serial.c
+++ b/arch/cris/arch-v32/drivers/sync_serial.c
@@ -609,7 +609,7 @@ static int sync_serial_release(struct inode *inode, struct file *file)
 
 static unsigned int sync_serial_poll(struct file *file, poll_table *wait)
 {
-	int dev = iminor(file->f_path.dentry->d_inode);
+	int dev = iminor(file_inode(file));
 	unsigned int mask = 0;
 	sync_port *port;
 	DEBUGPOLL( static unsigned int prev_mask = 0; );
@@ -657,7 +657,7 @@ static int sync_serial_ioctl(struct file *file,
 {
 	int return_val = 0;
 	int dma_w_size = regk_dma_set_w_size1;
-	int dev = iminor(file->f_path.dentry->d_inode);
+	int dev = iminor(file_inode(file));
 	sync_port *port;
 	reg_sser_rw_tr_cfg tr_cfg;
 	reg_sser_rw_rec_cfg rec_cfg;
@@ -979,7 +979,7 @@ static long sync_serial_ioctl(struct file *file,
 static ssize_t sync_serial_write(struct file *file, const char *buf,
 				 size_t count, loff_t *ppos)
 {
-	int dev = iminor(file->f_path.dentry->d_inode);
+	int dev = iminor(file_inode(file));
 	DECLARE_WAITQUEUE(wait, current);
 	struct sync_port *port;
 	int trunc_count;
@@ -1102,7 +1102,7 @@ static ssize_t sync_serial_write(struct file *file, const char *buf,
 static ssize_t sync_serial_read(struct file * file, char * buf,
 				size_t count, loff_t *ppos)
 {
-	int dev = iminor(file->f_path.dentry->d_inode);
+	int dev = iminor(file_inode(file));
 	int avail;
 	sync_port *port;
 	unsigned char* start;
diff --git a/arch/cris/include/asm/elf.h b/arch/cris/include/asm/elf.h
index 8182f2dc89d..30ded8fbf59 100644
--- a/arch/cris/include/asm/elf.h
+++ b/arch/cris/include/asm/elf.h
@@ -86,7 +86,4 @@ typedef unsigned long elf_fpregset_t;
 
 #define ELF_PLATFORM  (NULL)
 
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-
 #endif
diff --git a/arch/frv/include/asm/elf.h b/arch/frv/include/asm/elf.h
index 9ccbc80f0b1..2bac6446db4 100644
--- a/arch/frv/include/asm/elf.h
+++ b/arch/frv/include/asm/elf.h
@@ -137,7 +137,4 @@ do {											\
 
 #define ELF_PLATFORM  (NULL)
 
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-
 #endif
diff --git a/arch/h8300/include/asm/elf.h b/arch/h8300/include/asm/elf.h
index 41193c396bf..6db71248a82 100644
--- a/arch/h8300/include/asm/elf.h
+++ b/arch/h8300/include/asm/elf.h
@@ -54,9 +54,6 @@ typedef unsigned long elf_fpregset_t;
 
 #define ELF_PLATFORM  (NULL)
 
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-
 #define R_H8_NONE       0
 #define R_H8_DIR32      1
 #define R_H8_DIR32_28   2
diff --git a/arch/hexagon/include/asm/elf.h b/arch/hexagon/include/asm/elf.h
index 1ba4b3bff5e..1f14e082588 100644
--- a/arch/hexagon/include/asm/elf.h
+++ b/arch/hexagon/include/asm/elf.h
@@ -216,11 +216,6 @@ do {					\
  */
 #define ELF_PLATFORM  (NULL)
 
-#ifdef __KERNEL__
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-#endif
-
 #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
 struct linux_binprm;
 extern int arch_setup_additional_pages(struct linux_binprm *bprm,
diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h
index b5298eb09ad..5a83c5cc3dc 100644
--- a/arch/ia64/include/asm/elf.h
+++ b/arch/ia64/include/asm/elf.h
@@ -201,9 +201,6 @@ extern void ia64_elf_core_copy_regs (struct pt_regs *src, elf_gregset_t dst);
    relevant until we have real hardware to play with... */
 #define ELF_PLATFORM	NULL
 
-#define SET_PERSONALITY(ex)	\
-	set_personality((current->personality & ~PER_MASK) | PER_LINUX)
-
 #define elf_read_implies_exec(ex, executable_stack)					\
 	((executable_stack!=EXSTACK_DISABLE_X) && ((ex).e_flags & EF_IA_64_LINUX_EXECUTABLE_STACK) != 0)
 
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index ea39eba61ef..433f5e8a2cd 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -2221,9 +2221,9 @@ pfm_alloc_file(pfm_context_t *ctx)
 	d_add(path.dentry, inode);
 
 	file = alloc_file(&path, FMODE_READ, &pfm_file_ops);
-	if (!file) {
+	if (IS_ERR(file)) {
 		path_put(&path);
-		return ERR_PTR(-ENFILE);
+		return file;
 	}
 
 	file->f_flags = O_RDONLY;
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index 79802e540e5..aa527d7e91f 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -301,7 +301,7 @@ salinfo_event_open(struct inode *inode, struct file *file)
 static ssize_t
 salinfo_event_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct proc_dir_entry *entry = PDE(inode);
 	struct salinfo_data *data = entry->data;
 	char cmd[32];
@@ -463,7 +463,7 @@ retry:
 static ssize_t
 salinfo_log_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct proc_dir_entry *entry = PDE(inode);
 	struct salinfo_data *data = entry->data;
 	u8 *buf;
@@ -524,7 +524,7 @@ salinfo_log_clear(struct salinfo_data *data, int cpu)
 static ssize_t
 salinfo_log_write(struct file *file, const char __user *buffer, size_t count, loff_t *ppos)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct proc_dir_entry *entry = PDE(inode);
 	struct salinfo_data *data = entry->data;
 	char cmd[32];
diff --git a/arch/m32r/include/asm/elf.h b/arch/m32r/include/asm/elf.h
index 70896161c63..8acc9da9a15 100644
--- a/arch/m32r/include/asm/elf.h
+++ b/arch/m32r/include/asm/elf.h
@@ -128,7 +128,4 @@ typedef elf_fpreg_t elf_fpregset_t;
    intent than poking at uname or /proc/cpuinfo.  */
 #define ELF_PLATFORM	(NULL)
 
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-
 #endif  /* _ASM_M32R__ELF_H */
diff --git a/arch/m68k/include/asm/elf.h b/arch/m68k/include/asm/elf.h
index f83c1d0a87c..b1c26de438b 100644
--- a/arch/m68k/include/asm/elf.h
+++ b/arch/m68k/include/asm/elf.h
@@ -113,7 +113,4 @@ typedef struct user_m68kfp_struct elf_fpregset_t;
 
 #define ELF_PLATFORM  (NULL)
 
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-
 #endif
diff --git a/arch/mips/kernel/rtlx.c b/arch/mips/kernel/rtlx.c
index b8c18dcdd2c..88f7b50d541 100644
--- a/arch/mips/kernel/rtlx.c
+++ b/arch/mips/kernel/rtlx.c
@@ -399,11 +399,9 @@ static int file_release(struct inode *inode, struct file *filp)
 
 static unsigned int file_poll(struct file *file, poll_table * wait)
 {
-	int minor;
+	int minor = iminor(file_inode(file));
 	unsigned int mask = 0;
 
-	minor = iminor(file->f_path.dentry->d_inode);
-
 	poll_wait(file, &channel_wqs[minor].rt_queue, wait);
 	poll_wait(file, &channel_wqs[minor].lx_queue, wait);
 
@@ -424,7 +422,7 @@ static unsigned int file_poll(struct file *file, poll_table * wait)
 static ssize_t file_read(struct file *file, char __user * buffer, size_t count,
 			 loff_t * ppos)
 {
-	int minor = iminor(file->f_path.dentry->d_inode);
+	int minor = iminor(file_inode(file));
 
 	/* data available? */
 	if (!rtlx_read_poll(minor, (file->f_flags & O_NONBLOCK) ? 0 : 1)) {
@@ -437,11 +435,8 @@ static ssize_t file_read(struct file *file, char __user * buffer, size_t count,
 static ssize_t file_write(struct file *file, const char __user * buffer,
 			  size_t count, loff_t * ppos)
 {
-	int minor;
-	struct rtlx_channel *rt;
-
-	minor = iminor(file->f_path.dentry->d_inode);
-	rt = &rtlx->channel[minor];
+	int minor = iminor(file_inode(file));
+	struct rtlx_channel *rt = &rtlx->channel[minor];
 
 	/* any space left... */
 	if (!rtlx_write_poll(minor)) {
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 147cec19621..29933652ff4 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -1149,7 +1149,7 @@ static ssize_t vpe_write(struct file *file, const char __user * buffer,
 	size_t ret = count;
 	struct vpe *v;
 
-	if (iminor(file->f_path.dentry->d_inode) != minor)
+	if (iminor(file_inode(file)) != minor)
 		return -ENODEV;
 
 	v = get_vpe(tclimit);
diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c
index 8e388da1926..c592bc8b8c9 100644
--- a/arch/mips/lasat/picvue_proc.c
+++ b/arch/mips/lasat/picvue_proc.c
@@ -64,7 +64,7 @@ static int pvc_line_proc_open(struct inode *inode, struct file *file)
 static ssize_t pvc_line_proc_write(struct file *file, const char __user *buf,
 				   size_t count, loff_t *pos)
 {
-	int lineno = *(int *)PDE(file->f_path.dentry->d_inode)->data;
+	int lineno = *(int *)PDE(file_inode(file))->data;
 	char kbuf[PVC_LINELEN];
 	size_t len;
 
diff --git a/arch/mn10300/include/asm/elf.h b/arch/mn10300/include/asm/elf.h
index 4ebd6b3a0a1..f592d7a9f03 100644
--- a/arch/mn10300/include/asm/elf.h
+++ b/arch/mn10300/include/asm/elf.h
@@ -150,9 +150,4 @@ do {						\
  */
 #define ELF_PLATFORM  (NULL)
 
-#ifdef __KERNEL__
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-#endif
-
 #endif /* _ASM_ELF_H */
diff --git a/arch/openrisc/include/asm/elf.h b/arch/openrisc/include/asm/elf.h
index f4aa8a542a2..d334e204bbd 100644
--- a/arch/openrisc/include/asm/elf.h
+++ b/arch/openrisc/include/asm/elf.h
@@ -62,7 +62,4 @@ extern void dump_elf_thread(elf_greg_t *dest, struct pt_regs *pt);
 
 #define ELF_PLATFORM	(NULL)
 
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-
 #endif
diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h
index 6abf0a16323..ac9790fc383 100644
--- a/arch/powerpc/include/asm/elf.h
+++ b/arch/powerpc/include/asm/elf.h
@@ -103,8 +103,6 @@ do {								\
 # define elf_read_implies_exec(ex, exec_stk) (is_32bit_task() ? \
 		(exec_stk == EXSTACK_DEFAULT) : 0)
 #else 
-# define SET_PERSONALITY(ex) \
-  set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
 # define elf_read_implies_exec(ex, exec_stk) (exec_stk == EXSTACK_DEFAULT)
 #endif /* __powerpc64__ */
 
diff --git a/arch/powerpc/kernel/proc_powerpc.c b/arch/powerpc/kernel/proc_powerpc.c
index c8ae3714e79..f19d0bdc324 100644
--- a/arch/powerpc/kernel/proc_powerpc.c
+++ b/arch/powerpc/kernel/proc_powerpc.c
@@ -32,7 +32,7 @@
 static loff_t page_map_seek( struct file *file, loff_t off, int whence)
 {
 	loff_t new;
-	struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *dp = PDE(file_inode(file));
 
 	switch(whence) {
 	case 0:
@@ -55,13 +55,13 @@ static loff_t page_map_seek( struct file *file, loff_t off, int whence)
 static ssize_t page_map_read( struct file *file, char __user *buf, size_t nbytes,
 			      loff_t *ppos)
 {
-	struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *dp = PDE(file_inode(file));
 	return simple_read_from_buffer(buf, nbytes, ppos, dp->data, dp->size);
 }
 
 static int page_map_mmap( struct file *file, struct vm_area_struct *vma )
 {
-	struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *dp = PDE(file_inode(file));
 
 	if ((vma->vm_end - vma->vm_start) > dp->size)
 		return -EINVAL;
diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c
index 8329190312c..c642f013298 100644
--- a/arch/powerpc/kernel/rtas_flash.c
+++ b/arch/powerpc/kernel/rtas_flash.c
@@ -191,7 +191,7 @@ static void free_flash_list(struct flash_block_list *f)
 
 static int rtas_flash_release(struct inode *inode, struct file *file)
 {
-	struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *dp = PDE(file_inode(file));
 	struct rtas_update_flash_t *uf;
 	
 	uf = (struct rtas_update_flash_t *) dp->data;
@@ -253,7 +253,7 @@ static void get_flash_status_msg(int status, char *buf)
 static ssize_t rtas_flash_read(struct file *file, char __user *buf,
 			       size_t count, loff_t *ppos)
 {
-	struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *dp = PDE(file_inode(file));
 	struct rtas_update_flash_t *uf;
 	char msg[RTAS_MSG_MAXLEN];
 
@@ -282,7 +282,7 @@ void rtas_block_ctor(void *ptr)
 static ssize_t rtas_flash_write(struct file *file, const char __user *buffer,
 				size_t count, loff_t *off)
 {
-	struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *dp = PDE(file_inode(file));
 	struct rtas_update_flash_t *uf;
 	char *p;
 	int next_free;
@@ -374,7 +374,7 @@ static void manage_flash(struct rtas_manage_flash_t *args_buf)
 static ssize_t manage_flash_read(struct file *file, char __user *buf,
 			       size_t count, loff_t *ppos)
 {
-	struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *dp = PDE(file_inode(file));
 	struct rtas_manage_flash_t *args_buf;
 	char msg[RTAS_MSG_MAXLEN];
 	int msglen;
@@ -391,7 +391,7 @@ static ssize_t manage_flash_read(struct file *file, char __user *buf,
 static ssize_t manage_flash_write(struct file *file, const char __user *buf,
 				size_t count, loff_t *off)
 {
-	struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *dp = PDE(file_inode(file));
 	struct rtas_manage_flash_t *args_buf;
 	const char reject_str[] = "0";
 	const char commit_str[] = "1";
@@ -462,7 +462,7 @@ static int get_validate_flash_msg(struct rtas_validate_flash_t *args_buf,
 static ssize_t validate_flash_read(struct file *file, char __user *buf,
 			       size_t count, loff_t *ppos)
 {
-	struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *dp = PDE(file_inode(file));
 	struct rtas_validate_flash_t *args_buf;
 	char msg[RTAS_MSG_MAXLEN];
 	int msglen;
@@ -477,7 +477,7 @@ static ssize_t validate_flash_read(struct file *file, char __user *buf,
 static ssize_t validate_flash_write(struct file *file, const char __user *buf,
 				    size_t count, loff_t *off)
 {
-	struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *dp = PDE(file_inode(file));
 	struct rtas_validate_flash_t *args_buf;
 	int rc;
 
@@ -526,7 +526,7 @@ done:
 
 static int validate_flash_release(struct inode *inode, struct file *file)
 {
-	struct proc_dir_entry *dp = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *dp = PDE(file_inode(file));
 	struct rtas_validate_flash_t *args_buf;
 
 	args_buf = (struct rtas_validate_flash_t *) dp->data;
diff --git a/arch/powerpc/platforms/cell/spufs/coredump.c b/arch/powerpc/platforms/cell/spufs/coredump.c
index 657e3f233a6..c9500ea7be2 100644
--- a/arch/powerpc/platforms/cell/spufs/coredump.c
+++ b/arch/powerpc/platforms/cell/spufs/coredump.c
@@ -111,7 +111,7 @@ static int match_context(const void *v, struct file *file, unsigned fd)
 	struct spu_context *ctx;
 	if (file->f_op != &spufs_context_fops)
 		return 0;
-	ctx = SPUFS_I(file->f_dentry->d_inode)->i_ctx;
+	ctx = SPUFS_I(file_inode(file))->i_ctx;
 	if (ctx->flags & SPU_CREATE_NOSCHED)
 		return 0;
 	return fd + 1;
@@ -137,7 +137,7 @@ static struct spu_context *coredump_next_context(int *fd)
 		return NULL;
 	*fd = n - 1;
 	file = fcheck(*fd);
-	return SPUFS_I(file->f_dentry->d_inode)->i_ctx;
+	return SPUFS_I(file_inode(file))->i_ctx;
 }
 
 int spufs_coredump_extra_notes_size(void)
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 0cfece4cf6e..68c57d38745 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -1852,7 +1852,7 @@ out:
 
 static int spufs_mfc_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int err = filemap_write_and_wait_range(inode->i_mapping, start, end);
 	if (!err) {
 		mutex_lock(&inode->i_mutex);
@@ -2501,7 +2501,7 @@ static int switch_log_sprint(struct spu_context *ctx, char *tbuf, int n)
 static ssize_t spufs_switch_log_read(struct file *file, char __user *buf,
 			     size_t len, loff_t *ppos)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct spu_context *ctx = SPUFS_I(inode)->i_ctx;
 	int error = 0, cnt = 0;
 
@@ -2571,7 +2571,7 @@ static ssize_t spufs_switch_log_read(struct file *file, char __user *buf,
 
 static unsigned int spufs_switch_log_poll(struct file *file, poll_table *wait)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct spu_context *ctx = SPUFS_I(inode)->i_ctx;
 	unsigned int mask = 0;
 	int rc;
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index dba1ce235da..863184b182f 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -199,37 +199,18 @@ static int spufs_fill_dir(struct dentry *dir,
 		const struct spufs_tree_descr *files, umode_t mode,
 		struct spu_context *ctx)
 {
-	struct dentry *dentry, *tmp;
-	int ret;
-
 	while (files->name && files->name[0]) {
-		ret = -ENOMEM;
-		dentry = d_alloc_name(dir, files->name);
+		int ret;
+		struct dentry *dentry = d_alloc_name(dir, files->name);
 		if (!dentry)
-			goto out;
+			return -ENOMEM;
 		ret = spufs_new_file(dir->d_sb, dentry, files->ops,
 					files->mode & mode, files->size, ctx);
 		if (ret)
-			goto out;
+			return ret;
 		files++;
 	}
 	return 0;
-out:
-	/*
-	 * remove all children from dir. dir->inode is not set so don't
-	 * just simply use spufs_prune_dir() and panic afterwards :)
-	 * dput() looks like it will do the right thing:
-	 * - dec parent's ref counter
-	 * - remove child from parent's child list
-	 * - free child's inode if possible
-	 * - free child
-	 */
-	list_for_each_entry_safe(dentry, tmp, &dir->d_subdirs, d_u.d_child) {
-		dput(dentry);
-	}
-
-	shrink_dcache_parent(dir);
-	return ret;
 }
 
 static int spufs_dir_close(struct inode *inode, struct file *file)
@@ -269,10 +250,9 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
 	struct inode *inode;
 	struct spu_context *ctx;
 
-	ret = -ENOSPC;
 	inode = spufs_new_inode(dir->i_sb, mode | S_IFDIR);
 	if (!inode)
-		goto out;
+		return -ENOSPC;
 
 	if (dir->i_mode & S_ISGID) {
 		inode->i_gid = dir->i_gid;
@@ -280,40 +260,38 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
 	}
 	ctx = alloc_spu_context(SPUFS_I(dir)->i_gang); /* XXX gang */
 	SPUFS_I(inode)->i_ctx = ctx;
-	if (!ctx)
-		goto out_iput;
+	if (!ctx) {
+		iput(inode);
+		return -ENOSPC;
+	}
 
 	ctx->flags = flags;
 	inode->i_op = &simple_dir_inode_operations;
 	inode->i_fop = &simple_dir_operations;
+
+	mutex_lock(&inode->i_mutex);
+
+	dget(dentry);
+	inc_nlink(dir);
+	inc_nlink(inode);
+
+	d_instantiate(dentry, inode);
+
 	if (flags & SPU_CREATE_NOSCHED)
 		ret = spufs_fill_dir(dentry, spufs_dir_nosched_contents,
 					 mode, ctx);
 	else
 		ret = spufs_fill_dir(dentry, spufs_dir_contents, mode, ctx);
 
-	if (ret)
-		goto out_free_ctx;
-
-	if (spufs_get_sb_info(dir->i_sb)->debug)
+	if (!ret && spufs_get_sb_info(dir->i_sb)->debug)
 		ret = spufs_fill_dir(dentry, spufs_dir_debug_contents,
 				mode, ctx);
 
 	if (ret)
-		goto out_free_ctx;
+		spufs_rmdir(dir, dentry);
 
-	d_instantiate(dentry, inode);
-	dget(dentry);
-	inc_nlink(dir);
-	inc_nlink(dentry->d_inode);
-	goto out;
+	mutex_unlock(&inode->i_mutex);
 
-out_free_ctx:
-	spu_forget(ctx);
-	put_spu_context(ctx);
-out_iput:
-	iput(inode);
-out:
 	return ret;
 }
 
@@ -368,7 +346,7 @@ spufs_assert_affinity(unsigned int flags, struct spu_gang *gang,
 			return ERR_PTR(-EINVAL);
 
 		neighbor = get_spu_context(
-				SPUFS_I(filp->f_dentry->d_inode)->i_ctx);
+				SPUFS_I(file_inode(filp))->i_ctx);
 
 		if (!list_empty(&neighbor->aff_list) && !(neighbor->aff_head) &&
 		    !list_is_last(&neighbor->aff_list, &gang->aff_list_head) &&
diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c
index baee994fe81..b045fdda484 100644
--- a/arch/powerpc/platforms/cell/spufs/syscalls.c
+++ b/arch/powerpc/platforms/cell/spufs/syscalls.c
@@ -47,7 +47,7 @@ static long do_spu_run(struct file *filp,
 	if (filp->f_op != &spufs_context_fops)
 		goto out;
 
-	i = SPUFS_I(filp->f_path.dentry->d_inode);
+	i = SPUFS_I(file_inode(filp));
 	ret = spufs_run_spu(i->i_ctx, &npc, &status);
 
 	if (put_user(npc, unpc))
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index c9311cfdfca..cf4e7736e4f 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c
@@ -86,7 +86,7 @@ static int hcall_inst_seq_open(struct inode *inode, struct file *file)
 
 	rc = seq_open(file, &hcall_inst_seq_ops);
 	seq = file->private_data;
-	seq->private = file->f_path.dentry->d_inode->i_private;
+	seq->private = file_inode(file)->i_private;
 
 	return rc;
 }
diff --git a/arch/powerpc/platforms/pseries/scanlog.c b/arch/powerpc/platforms/pseries/scanlog.c
index 554457294a2..47f3cda2a68 100644
--- a/arch/powerpc/platforms/pseries/scanlog.c
+++ b/arch/powerpc/platforms/pseries/scanlog.c
@@ -46,16 +46,12 @@ static struct proc_dir_entry *proc_ppc64_scan_log_dump;	/* The proc file */
 static ssize_t scanlog_read(struct file *file, char __user *buf,
 			    size_t count, loff_t *ppos)
 {
-        struct inode * inode = file->f_path.dentry->d_inode;
-	struct proc_dir_entry *dp;
-	unsigned int *data;
+	struct proc_dir_entry *dp = PDE(file_inode(file));
+	unsigned int *data = (unsigned int *)dp->data;
 	int status;
 	unsigned long len, off;
 	unsigned int wait_time;
 
-        dp = PDE(inode);
- 	data = (unsigned int *)dp->data;
-
 	if (count > RTAS_DATA_BUF_SIZE)
 		count = RTAS_DATA_BUF_SIZE;
 
diff --git a/arch/s390/hypfs/hypfs_dbfs.c b/arch/s390/hypfs/hypfs_dbfs.c
index 13e76dabbe8..9fd4a40c675 100644
--- a/arch/s390/hypfs/hypfs_dbfs.c
+++ b/arch/s390/hypfs/hypfs_dbfs.c
@@ -54,7 +54,7 @@ static ssize_t dbfs_read(struct file *file, char __user *buf,
 	if (*ppos != 0)
 		return 0;
 
-	df = file->f_path.dentry->d_inode->i_private;
+	df = file_inode(file)->i_private;
 	mutex_lock(&df->lock);
 	if (!df->data) {
 		data = hypfs_dbfs_data_alloc(df);
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 06ea69bd387..280ded8b79b 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -119,7 +119,7 @@ static void hypfs_evict_inode(struct inode *inode)
 
 static int hypfs_open(struct inode *inode, struct file *filp)
 {
-	char *data = filp->f_path.dentry->d_inode->i_private;
+	char *data = file_inode(filp)->i_private;
 	struct hypfs_sb_info *fs_info;
 
 	if (filp->f_mode & FMODE_WRITE) {
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index 178ff966a8b..1bfdf24b85a 100644
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -180,10 +180,7 @@ extern unsigned long elf_hwcap;
 extern char elf_platform[];
 #define ELF_PLATFORM (elf_platform)
 
-#ifndef CONFIG_64BIT
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-#else /* CONFIG_64BIT */
+#ifdef CONFIG_64BIT
 #define SET_PERSONALITY(ex)					\
 do {								\
 	if (personality(current->personality) != PER_LINUX32)	\
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 09a94cd9deb..f1279dc2e1b 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -611,7 +611,7 @@ debug_open(struct inode *inode, struct file *file)
 	debug_info_t *debug_info, *debug_info_snapshot;
 
 	mutex_lock(&debug_mutex);
-	debug_info = file->f_path.dentry->d_inode->i_private;
+	debug_info = file_inode(file)->i_private;
 	/* find debug view */
 	for (i = 0; i < DEBUG_MAX_VIEWS; i++) {
 		if (!debug_info->views[i])
diff --git a/arch/s390/pci/pci_debug.c b/arch/s390/pci/pci_debug.c
index a303c95346c..a5d07bc2a54 100644
--- a/arch/s390/pci/pci_debug.c
+++ b/arch/s390/pci/pci_debug.c
@@ -99,7 +99,7 @@ static ssize_t pci_perf_seq_write(struct file *file, const char __user *ubuf,
 static int pci_perf_seq_open(struct inode *inode, struct file *filp)
 {
 	return single_open(filp, pci_perf_show,
-			   filp->f_path.dentry->d_inode->i_private);
+			   file_inode(filp)->i_private);
 }
 
 static const struct file_operations debugfs_pci_perf_fops = {
@@ -121,7 +121,7 @@ static int pci_debug_show(struct seq_file *m, void *v)
 static int pci_debug_seq_open(struct inode *inode, struct file *filp)
 {
 	return single_open(filp, pci_debug_show,
-			   filp->f_path.dentry->d_inode->i_private);
+			   file_inode(filp)->i_private);
 }
 
 static const struct file_operations debugfs_pci_debug_fops = {
diff --git a/arch/score/include/asm/elf.h b/arch/score/include/asm/elf.h
index 5d566c7a0af..6a9421c693c 100644
--- a/arch/score/include/asm/elf.h
+++ b/arch/score/include/asm/elf.h
@@ -52,11 +52,6 @@ typedef elf_fpreg_t	elf_fpregset_t;
 #define ELF_DATA	ELFDATA2LSB
 #define ELF_ARCH	EM_SCORE7
 
-#define SET_PERSONALITY(ex)					\
-do {								\
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK))); \
-} while (0)
-
 struct task_struct;
 struct pt_regs;
 
diff --git a/arch/sh/mm/alignment.c b/arch/sh/mm/alignment.c
index 620fa7ff9ee..aea14855e65 100644
--- a/arch/sh/mm/alignment.c
+++ b/arch/sh/mm/alignment.c
@@ -140,7 +140,7 @@ static int alignment_proc_open(struct inode *inode, struct file *file)
 static ssize_t alignment_proc_write(struct file *file,
 		const char __user *buffer, size_t count, loff_t *pos)
 {
-	int *data = PDE(file->f_path.dentry->d_inode)->data;
+	int *data = PDE(file_inode(file))->data;
 	char mode;
 
 	if (count > 0) {
diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h
index ac74a2c98e6..a24e41fcdde 100644
--- a/arch/sparc/include/asm/elf_32.h
+++ b/arch/sparc/include/asm/elf_32.h
@@ -128,7 +128,4 @@ typedef struct {
 
 #define ELF_PLATFORM	(NULL)
 
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-
 #endif /* !(__ASMSPARC_ELF_H) */
diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index a703af19c28..03abf9b7001 100644
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -271,7 +271,7 @@ static int load_aout_binary(struct linux_binprm *bprm)
 	if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != OMAGIC &&
 	     N_MAGIC(ex) != QMAGIC && N_MAGIC(ex) != NMAGIC) ||
 	    N_TRSIZE(ex) || N_DRSIZE(ex) ||
-	    i_size_read(bprm->file->f_path.dentry->d_inode) <
+	    i_size_read(file_inode(bprm->file)) <
 	    ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
 		return -ENOEXEC;
 	}
@@ -425,12 +425,10 @@ beyond_if:
 
 static int load_aout_library(struct file *file)
 {
-	struct inode *inode;
 	unsigned long bss, start_addr, len, error;
 	int retval;
 	struct exec ex;
 
-	inode = file->f_path.dentry->d_inode;
 
 	retval = -ENOEXEC;
 	error = kernel_read(file, 0, (char *) &ex, sizeof(ex));
@@ -440,7 +438,7 @@ static int load_aout_library(struct file *file)
 	/* We come in here for the regular a.out style of shared libraries */
 	if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != QMAGIC) || N_TRSIZE(ex) ||
 	    N_DRSIZE(ex) || ((ex.a_entry & 0xfff) && N_MAGIC(ex) == ZMAGIC) ||
-	    i_size_read(inode) <
+	    i_size_read(file_inode(file)) <
 	    ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
 		goto out;
 	}
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index 60c78917190..1e4dbcfe6d3 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -85,7 +85,7 @@ static ssize_t cpuid_read(struct file *file, char __user *buf,
 {
 	char __user *tmp = buf;
 	struct cpuid_regs cmd;
-	int cpu = iminor(file->f_path.dentry->d_inode);
+	int cpu = iminor(file_inode(file));
 	u64 pos = *ppos;
 	ssize_t bytes = 0;
 	int err = 0;
@@ -116,7 +116,7 @@ static int cpuid_open(struct inode *inode, struct file *file)
 	unsigned int cpu;
 	struct cpuinfo_x86 *c;
 
-	cpu = iminor(file->f_path.dentry->d_inode);
+	cpu = iminor(file_inode(file));
 	if (cpu >= nr_cpu_ids || !cpu_online(cpu))
 		return -ENXIO;	/* No such CPU */
 
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index 17cf7cad601..01fc5b07f95 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -302,7 +302,8 @@ static int handle_remove(const char *nodename, struct device *dev)
 
 	if (dentry->d_inode) {
 		struct kstat stat;
-		err = vfs_getattr(parent.mnt, dentry, &stat);
+		struct path p = {.mnt = parent.mnt, .dentry = dentry};
+		err = vfs_getattr(&p, &stat);
 		if (!err && dev_mynode(dev, dentry->d_inode, &stat)) {
 			struct iattr newattrs;
 			/*
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 4a223fedcd7..4b1f9265887 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -279,7 +279,7 @@ MODULE_PARM_DESC(path, "customized firmware image search path with a higher prio
 static noinline_for_stack long fw_file_size(struct file *file)
 {
 	struct kstat st;
-	if (vfs_getattr(file->f_path.mnt, file->f_path.dentry, &st))
+	if (vfs_getattr(&file->f_path, &st))
 		return -1;
 	if (!S_ISREG(st.mode))
 		return -1;
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 9a13e889837..8f12dc78a84 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -6547,7 +6547,7 @@ static ssize_t dac960_user_command_proc_write(struct file *file,
 				       const char __user *Buffer,
 				       size_t Count, loff_t *pos)
 {
-  DAC960_Controller_T *Controller = (DAC960_Controller_T *) PDE(file->f_path.dentry->d_inode)->data;
+  DAC960_Controller_T *Controller = (DAC960_Controller_T *) PDE(file_inode(file))->data;
   unsigned char CommandBuffer[80];
   int Length;
   if (Count > sizeof(CommandBuffer)-1) return -EINVAL;
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index ae125127062..8031a8cdd69 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1139,7 +1139,7 @@ loop_get_status(struct loop_device *lo, struct loop_info64 *info)
 
 	if (lo->lo_state != Lo_bound)
 		return -ENXIO;
-	error = vfs_getattr(file->f_path.mnt, file->f_path.dentry, &stat);
+	error = vfs_getattr(&file->f_path, &stat);
 	if (error)
 		return error;
 	memset(info, 0, sizeof(*info));
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 043ddcca4ab..ade146bf65e 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -625,7 +625,7 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd,
 			return -EBUSY;
 		file = fget(arg);
 		if (file) {
-			struct inode *inode = file->f_path.dentry->d_inode;
+			struct inode *inode = file_inode(file);
 			if (S_ISSOCK(inode->i_mode)) {
 				nbd->file = file;
 				nbd->sock = SOCKET_I(inode);
diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index 052797b32bd..01a5ca7425d 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -181,7 +181,7 @@ static int dsp56k_upload(u_char __user *bin, int len)
 static ssize_t dsp56k_read(struct file *file, char __user *buf, size_t count,
 			   loff_t *ppos)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int dev = iminor(inode) & 0x0f;
 
 	switch(dev)
@@ -244,7 +244,7 @@ static ssize_t dsp56k_read(struct file *file, char __user *buf, size_t count,
 static ssize_t dsp56k_write(struct file *file, const char __user *buf, size_t count,
 			    loff_t *ppos)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int dev = iminor(inode) & 0x0f;
 
 	switch(dev)
@@ -306,7 +306,7 @@ static ssize_t dsp56k_write(struct file *file, const char __user *buf, size_t co
 static long dsp56k_ioctl(struct file *file, unsigned int cmd,
 			 unsigned long arg)
 {
-	int dev = iminor(file->f_path.dentry->d_inode) & 0x0f;
+	int dev = iminor(file_inode(file)) & 0x0f;
 	void __user *argp = (void __user *)arg;
 
 	switch(dev)
@@ -408,7 +408,7 @@ static long dsp56k_ioctl(struct file *file, unsigned int cmd,
 #if 0
 static unsigned int dsp56k_poll(struct file *file, poll_table *wait)
 {
-	int dev = iminor(file->f_path.dentry->d_inode) & 0x0f;
+	int dev = iminor(file_inode(file)) & 0x0f;
 
 	switch(dev)
 	{
diff --git a/drivers/char/dtlk.c b/drivers/char/dtlk.c
index 85156dd0cae..65a8d96c0e9 100644
--- a/drivers/char/dtlk.c
+++ b/drivers/char/dtlk.c
@@ -125,7 +125,7 @@ static char dtlk_write_tts(char);
 static ssize_t dtlk_read(struct file *file, char __user *buf,
 			 size_t count, loff_t * ppos)
 {
-	unsigned int minor = iminor(file->f_path.dentry->d_inode);
+	unsigned int minor = iminor(file_inode(file));
 	char ch;
 	int i = 0, retries;
 
@@ -177,7 +177,7 @@ static ssize_t dtlk_write(struct file *file, const char __user *buf,
 	}
 #endif
 
-	if (iminor(file->f_path.dentry->d_inode) != DTLK_MINOR)
+	if (iminor(file_inode(file)) != DTLK_MINOR)
 		return -EINVAL;
 
 	while (1) {
diff --git a/drivers/char/lp.c b/drivers/char/lp.c
index a741e418b45..dafd9ac6428 100644
--- a/drivers/char/lp.c
+++ b/drivers/char/lp.c
@@ -294,7 +294,7 @@ static int lp_wait_ready(int minor, int nonblock)
 static ssize_t lp_write(struct file * file, const char __user * buf,
 		        size_t count, loff_t *ppos)
 {
-	unsigned int minor = iminor(file->f_path.dentry->d_inode);
+	unsigned int minor = iminor(file_inode(file));
 	struct parport *port = lp_table[minor].dev->port;
 	char *kbuf = lp_table[minor].lp_buffer;
 	ssize_t retv = 0;
@@ -413,7 +413,7 @@ static ssize_t lp_read(struct file * file, char __user * buf,
 		       size_t count, loff_t *ppos)
 {
 	DEFINE_WAIT(wait);
-	unsigned int minor=iminor(file->f_path.dentry->d_inode);
+	unsigned int minor=iminor(file_inode(file));
 	struct parport *port = lp_table[minor].dev->port;
 	ssize_t retval = 0;
 	char *kbuf = lp_table[minor].lp_buffer;
@@ -679,7 +679,7 @@ static long lp_ioctl(struct file *file, unsigned int cmd,
 	struct timeval par_timeout;
 	int ret;
 
-	minor = iminor(file->f_path.dentry->d_inode);
+	minor = iminor(file_inode(file));
 	mutex_lock(&lp_mutex);
 	switch (cmd) {
 	case LPSETTIMEOUT:
@@ -707,7 +707,7 @@ static long lp_compat_ioctl(struct file *file, unsigned int cmd,
 	struct timeval par_timeout;
 	int ret;
 
-	minor = iminor(file->f_path.dentry->d_inode);
+	minor = iminor(file_inode(file));
 	mutex_lock(&lp_mutex);
 	switch (cmd) {
 	case LPSETTIMEOUT:
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 6f6e92a3102..2c644afbcdd 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -708,7 +708,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
 {
 	loff_t ret;
 
-	mutex_lock(&file->f_path.dentry->d_inode->i_mutex);
+	mutex_lock(&file_inode(file)->i_mutex);
 	switch (orig) {
 	case SEEK_CUR:
 		offset += file->f_pos;
@@ -725,7 +725,7 @@ static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
 	default:
 		ret = -EINVAL;
 	}
-	mutex_unlock(&file->f_path.dentry->d_inode->i_mutex);
+	mutex_unlock(&file_inode(file)->i_mutex);
 	return ret;
 }
 
diff --git a/drivers/char/nsc_gpio.c b/drivers/char/nsc_gpio.c
index 808d44e9a32..b07b119ae57 100644
--- a/drivers/char/nsc_gpio.c
+++ b/drivers/char/nsc_gpio.c
@@ -41,7 +41,7 @@ void nsc_gpio_dump(struct nsc_gpio_ops *amp, unsigned index)
 ssize_t nsc_gpio_write(struct file *file, const char __user *data,
 		       size_t len, loff_t *ppos)
 {
-	unsigned m = iminor(file->f_path.dentry->d_inode);
+	unsigned m = iminor(file_inode(file));
 	struct nsc_gpio_ops *amp = file->private_data;
 	struct device *dev = amp->dev;
 	size_t i;
@@ -104,7 +104,7 @@ ssize_t nsc_gpio_write(struct file *file, const char __user *data,
 ssize_t nsc_gpio_read(struct file *file, char __user * buf,
 		      size_t len, loff_t * ppos)
 {
-	unsigned m = iminor(file->f_path.dentry->d_inode);
+	unsigned m = iminor(file_inode(file));
 	int value;
 	struct nsc_gpio_ops *amp = file->private_data;
 
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index a7584860e9a..c115217c79a 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1400,7 +1400,7 @@ static long cmm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	struct cm4000_dev *dev = filp->private_data;
 	unsigned int iobase = dev->p_dev->resource[0]->start;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct pcmcia_device *link;
 	int size;
 	int rc;
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 1cd49241e60..ae0b42b66e5 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -107,7 +107,7 @@ static inline void pp_enable_irq (struct pp_struct *pp)
 static ssize_t pp_read (struct file * file, char __user * buf, size_t count,
 			loff_t * ppos)
 {
-	unsigned int minor = iminor(file->f_path.dentry->d_inode);
+	unsigned int minor = iminor(file_inode(file));
 	struct pp_struct *pp = file->private_data;
 	char * kbuffer;
 	ssize_t bytes_read = 0;
@@ -189,7 +189,7 @@ static ssize_t pp_read (struct file * file, char __user * buf, size_t count,
 static ssize_t pp_write (struct file * file, const char __user * buf,
 			 size_t count, loff_t * ppos)
 {
-	unsigned int minor = iminor(file->f_path.dentry->d_inode);
+	unsigned int minor = iminor(file_inode(file));
 	struct pp_struct *pp = file->private_data;
 	char * kbuffer;
 	ssize_t bytes_written = 0;
@@ -324,7 +324,7 @@ static enum ieee1284_phase init_phase (int mode)
 
 static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	unsigned int minor = iminor(file->f_path.dentry->d_inode);
+	unsigned int minor = iminor(file_inode(file));
 	struct pp_struct *pp = file->private_data;
 	struct parport * port;
 	void __user *argp = (void __user *)arg;
diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c
index 588063ac951..8cafa9ccd43 100644
--- a/drivers/char/ps3flash.c
+++ b/drivers/char/ps3flash.c
@@ -312,7 +312,7 @@ static int ps3flash_flush(struct file *file, fl_owner_t id)
 
 static int ps3flash_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int err;
 	mutex_lock(&inode->i_mutex);
 	err = ps3flash_writeback(ps3flash_dev);
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 54a3a6d0981..f3223aac4df 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -80,7 +80,7 @@ static int raw_open(struct inode *inode, struct file *filp)
 	filp->f_flags |= O_DIRECT;
 	filp->f_mapping = bdev->bd_inode->i_mapping;
 	if (++raw_devices[minor].inuse == 1)
-		filp->f_path.dentry->d_inode->i_mapping =
+		file_inode(filp)->i_mapping =
 			bdev->bd_inode->i_mapping;
 	filp->private_data = bdev;
 	mutex_unlock(&raw_mutex);
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index 6386a98e43c..bf2349dbbf7 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -938,7 +938,7 @@ static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 	}
 
 	if (ret > 0) {
-		struct inode *inode = file->f_path.dentry->d_inode;
+		struct inode *inode = file_inode(file);
 		inode->i_atime = current_fs_time(inode->i_sb);
 	}
 
diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c
index 34c63f85104..47b9fdfcf08 100644
--- a/drivers/char/tb0219.c
+++ b/drivers/char/tb0219.c
@@ -164,7 +164,7 @@ static ssize_t tanbac_tb0219_read(struct file *file, char __user *buf, size_t le
 	unsigned int minor;
 	char value;
 
-	minor = iminor(file->f_path.dentry->d_inode);
+	minor = iminor(file_inode(file));
 	switch (minor) {
 	case 0:
 		value = get_led();
@@ -200,7 +200,7 @@ static ssize_t tanbac_tb0219_write(struct file *file, const char __user *data,
 	int retval = 0;
 	char c;
 
-	minor = iminor(file->f_path.dentry->d_inode);
+	minor = iminor(file_inode(file));
 	switch (minor) {
 	case 0:
 		type = TYPE_LED;
diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c
index 04a371aceb3..054e26e769e 100644
--- a/drivers/gpu/drm/gma500/gtt.c
+++ b/drivers/gpu/drm/gma500/gtt.c
@@ -202,7 +202,7 @@ static int psb_gtt_attach_pages(struct gtt_range *gt)
 	WARN_ON(gt->pages);
 
 	/* This is the shared memory object that backs the GEM resource */
-	inode = gt->gem.filp->f_path.dentry->d_inode;
+	inode = file_inode(gt->gem.filp);
 	mapping = inode->i_mapping;
 
 	gt->pages = kmalloc(pages * sizeof(struct page *), GFP_KERNEL);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 8413ffced81..0e207e6e0df 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1618,7 +1618,7 @@ i915_gem_object_truncate(struct drm_i915_gem_object *obj)
 	 * To do this we must instruct the shmfs to drop all of its
 	 * backing pages, *now*.
 	 */
-	inode = obj->base.filp->f_path.dentry->d_inode;
+	inode = file_inode(obj->base.filp);
 	shmem_truncate_range(inode, 0, (loff_t)-1);
 
 	obj->madv = __I915_MADV_PURGED;
@@ -1783,7 +1783,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
 	 *
 	 * Fail silently without starting the shrinker
 	 */
-	mapping = obj->base.filp->f_path.dentry->d_inode->i_mapping;
+	mapping = file_inode(obj->base.filp)->i_mapping;
 	gfp = mapping_gfp_mask(mapping);
 	gfp |= __GFP_NORETRY | __GFP_NOWARN | __GFP_NO_KSWAPD;
 	gfp &= ~(__GFP_IO | __GFP_WAIT);
@@ -3747,7 +3747,7 @@ struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
 		mask |= __GFP_DMA32;
 	}
 
-	mapping = obj->base.filp->f_path.dentry->d_inode->i_mapping;
+	mapping = file_inode(obj->base.filp)->i_mapping;
 	mapping_set_gfp_mask(mapping, mask);
 
 	i915_gem_object_init(obj, &i915_gem_object_ops);
@@ -4232,7 +4232,7 @@ void i915_gem_free_all_phys_object(struct drm_device *dev)
 void i915_gem_detach_phys_object(struct drm_device *dev,
 				 struct drm_i915_gem_object *obj)
 {
-	struct address_space *mapping = obj->base.filp->f_path.dentry->d_inode->i_mapping;
+	struct address_space *mapping = file_inode(obj->base.filp)->i_mapping;
 	char *vaddr;
 	int i;
 	int page_count;
@@ -4268,7 +4268,7 @@ i915_gem_attach_phys_object(struct drm_device *dev,
 			    int id,
 			    int align)
 {
-	struct address_space *mapping = obj->base.filp->f_path.dentry->d_inode->i_mapping;
+	struct address_space *mapping = file_inode(obj->base.filp)->i_mapping;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	int ret = 0;
 	int page_count;
diff --git a/drivers/gpu/drm/omapdrm/omap_gem_helpers.c b/drivers/gpu/drm/omapdrm/omap_gem_helpers.c
index e4a66a35fc6..f9eb679eb79 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem_helpers.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem_helpers.c
@@ -40,7 +40,7 @@ struct page **_drm_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask)
 	int i, npages;
 
 	/* This is the shared memory object that backs the GEM resource */
-	inode = obj->filp->f_path.dentry->d_inode;
+	inode = file_inode(obj->filp);
 	mapping = inode->i_mapping;
 
 	npages = obj->size >> PAGE_SHIFT;
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 7d759a43029..5e93a52d4f2 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -296,7 +296,7 @@ int ttm_tt_swapin(struct ttm_tt *ttm)
 	swap_storage = ttm->swap_storage;
 	BUG_ON(swap_storage == NULL);
 
-	swap_space = swap_storage->f_path.dentry->d_inode->i_mapping;
+	swap_space = file_inode(swap_storage)->i_mapping;
 
 	for (i = 0; i < ttm->num_pages; ++i) {
 		from_page = shmem_read_mapping_page(swap_space, i);
@@ -345,7 +345,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage)
 	} else
 		swap_storage = persistent_swap_storage;
 
-	swap_space = swap_storage->f_path.dentry->d_inode->i_mapping;
+	swap_space = file_inode(swap_storage)->i_mapping;
 
 	for (i = 0; i < ttm->num_pages; ++i) {
 		from_page = ttm->pages[i];
diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c
index afd212c9921..3816270ba49 100644
--- a/drivers/gpu/drm/udl/udl_gem.c
+++ b/drivers/gpu/drm/udl/udl_gem.c
@@ -137,7 +137,7 @@ static int udl_gem_get_pages(struct udl_gem_object *obj, gfp_t gfpmask)
 	if (obj->pages == NULL)
 		return -ENOMEM;
 
-	inode = obj->base.filp->f_path.dentry->d_inode;
+	inode = file_inode(obj->base.filp);
 	mapping = inode->i_mapping;
 	gfpmask |= mapping_gfp_mask(mapping);
 
diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c
index b685b04dbf9..d7437ef5c69 100644
--- a/drivers/hid/hid-roccat.c
+++ b/drivers/hid/hid-roccat.c
@@ -378,7 +378,7 @@ EXPORT_SYMBOL_GPL(roccat_disconnect);
 
 static long roccat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct roccat_device *device;
 	unsigned int minor = iminor(inode);
 	long retval = 0;
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c
index f3bbbce8353..a7451632ceb 100644
--- a/drivers/hid/hidraw.c
+++ b/drivers/hid/hidraw.c
@@ -108,7 +108,7 @@ out:
  * This function is to be called with the minors_lock mutex held */
 static ssize_t hidraw_send_report(struct file *file, const char __user *buffer, size_t count, unsigned char report_type)
 {
-	unsigned int minor = iminor(file->f_path.dentry->d_inode);
+	unsigned int minor = iminor(file_inode(file));
 	struct hid_device *dev;
 	__u8 *buf;
 	int ret = 0;
@@ -176,7 +176,7 @@ static ssize_t hidraw_write(struct file *file, const char __user *buffer, size_t
  *  mutex held. */
 static ssize_t hidraw_get_report(struct file *file, char __user *buffer, size_t count, unsigned char report_type)
 {
-	unsigned int minor = iminor(file->f_path.dentry->d_inode);
+	unsigned int minor = iminor(file_inode(file));
 	struct hid_device *dev;
 	__u8 *buf;
 	int ret = 0, len;
@@ -340,7 +340,7 @@ unlock:
 static long hidraw_ioctl(struct file *file, unsigned int cmd,
 							unsigned long arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	unsigned int minor = iminor(inode);
 	long ret = 0;
 	struct hidraw *dev;
diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
index 5ec2261574e..c3ccdea3d18 100644
--- a/drivers/i2c/i2c-dev.c
+++ b/drivers/i2c/i2c-dev.c
@@ -148,7 +148,7 @@ static ssize_t i2cdev_read(struct file *file, char __user *buf, size_t count,
 		return -ENOMEM;
 
 	pr_debug("i2c-dev: i2c-%d reading %zu bytes.\n",
-		iminor(file->f_path.dentry->d_inode), count);
+		iminor(file_inode(file)), count);
 
 	ret = i2c_master_recv(client, tmp, count);
 	if (ret >= 0)
@@ -172,7 +172,7 @@ static ssize_t i2cdev_write(struct file *file, const char __user *buf,
 		return PTR_ERR(tmp);
 
 	pr_debug("i2c-dev: i2c-%d writing %zu bytes.\n",
-		iminor(file->f_path.dentry->d_inode), count);
+		iminor(file_inode(file)), count);
 
 	ret = i2c_master_send(client, tmp, count);
 	kfree(tmp);
diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index a3133d7b2a0..2abcc4790f1 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -333,7 +333,7 @@ static int ide_settings_proc_open(struct inode *inode, struct file *file)
 static ssize_t ide_settings_proc_write(struct file *file, const char __user *buffer,
 				       size_t count, loff_t *pos)
 {
-	ide_drive_t	*drive = (ide_drive_t *) PDE(file->f_path.dentry->d_inode)->data;
+	ide_drive_t	*drive = (ide_drive_t *) PDE(file_inode(file))->data;
 	char		name[MAX_LEN + 1];
 	int		for_real = 0, mul_factor, div_factor;
 	unsigned long	n;
@@ -558,7 +558,7 @@ static int ide_replace_subdriver(ide_drive_t *drive, const char *driver)
 static ssize_t ide_driver_proc_write(struct file *file, const char __user *buffer,
 				     size_t count, loff_t *pos)
 {
-	ide_drive_t	*drive = (ide_drive_t *) PDE(file->f_path.dentry->d_inode)->data;
+	ide_drive_t	*drive = (ide_drive_t *) PDE(file_inode(file))->data;
 	char name[32];
 
 	if (!capable(CAP_SYS_ADMIN))
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 3983a055277..e71d834c922 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -731,7 +731,7 @@ ssize_t ib_uverbs_open_xrcd(struct ib_uverbs_file *file,
 			goto err_tree_mutex_unlock;
 		}
 
-		inode = f.file->f_path.dentry->d_inode;
+		inode = file_inode(f.file);
 		xrcd = find_xrcd(file->device, inode);
 		if (!xrcd && !(cmd.oflags & O_CREAT)) {
 			/* no file descriptor. Need CREATE flag */
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index 3eb7e454849..aed8afee56d 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -1864,9 +1864,9 @@ static int ipath_assign_port(struct file *fp,
 		goto done_chk_sdma;
 	}
 
-	i_minor = iminor(fp->f_path.dentry->d_inode) - IPATH_USER_MINOR_BASE;
+	i_minor = iminor(file_inode(fp)) - IPATH_USER_MINOR_BASE;
 	ipath_cdbg(VERBOSE, "open on dev %lx (minor %d)\n",
-		   (long)fp->f_path.dentry->d_inode->i_rdev, i_minor);
+		   (long)file_inode(fp)->i_rdev, i_minor);
 
 	if (i_minor)
 		ret = find_free_port(i_minor - 1, fp, uinfo);
diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index a4de9d58e9b..a479375a8fd 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -113,7 +113,7 @@ static ssize_t atomic_counters_read(struct file *file, char __user *buf,
 	struct infinipath_counters counters;
 	struct ipath_devdata *dd;
 
-	dd = file->f_path.dentry->d_inode->i_private;
+	dd = file_inode(file)->i_private;
 	dd->ipath_f_read_counters(dd, &counters);
 
 	return simple_read_from_buffer(buf, count, ppos, &counters,
@@ -154,7 +154,7 @@ static ssize_t flash_read(struct file *file, char __user *buf,
 		goto bail;
 	}
 
-	dd = file->f_path.dentry->d_inode->i_private;
+	dd = file_inode(file)->i_private;
 	if (ipath_eeprom_read(dd, pos, tmp, count)) {
 		ipath_dev_err(dd, "failed to read from flash\n");
 		ret = -ENXIO;
@@ -207,7 +207,7 @@ static ssize_t flash_write(struct file *file, const char __user *buf,
 		goto bail_tmp;
 	}
 
-	dd = file->f_path.dentry->d_inode->i_private;
+	dd = file_inode(file)->i_private;
 	if (ipath_eeprom_write(dd, pos, tmp, count)) {
 		ret = -ENXIO;
 		ipath_dev_err(dd, "failed to write to flash\n");
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 959a5c4ff81..4f7aa301b3b 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -1524,7 +1524,7 @@ static int qib_assign_ctxt(struct file *fp, const struct qib_user_info *uinfo)
 		}
 	}
 
-	i_minor = iminor(fp->f_dentry->d_inode) - QIB_USER_MINOR_BASE;
+	i_minor = iminor(file_inode(fp)) - QIB_USER_MINOR_BASE;
 	if (i_minor)
 		ret = find_free_ctxt(i_minor - 1, fp, uinfo);
 	else
diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c
index 65a2a23f6f8..644bd6f6467 100644
--- a/drivers/infiniband/hw/qib/qib_fs.c
+++ b/drivers/infiniband/hw/qib/qib_fs.c
@@ -45,7 +45,7 @@
 
 static struct super_block *qib_super;
 
-#define private2dd(file) ((file)->f_dentry->d_inode->i_private)
+#define private2dd(file) (file_inode(file)->i_private)
 
 static int qibfs_mknod(struct inode *dir, struct dentry *dentry,
 		       umode_t mode, const struct file_operations *fops,
@@ -171,7 +171,7 @@ static const struct file_operations cntr_ops[] = {
 };
 
 /*
- * Could use file->f_dentry->d_inode->i_ino to figure out which file,
+ * Could use file_inode(file)->i_ino to figure out which file,
  * instead of separate routine for each, but for now, this works...
  */
 
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index eb0109f9894..b34e5fd7fd9 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -968,7 +968,6 @@ static ssize_t smmu_debugfs_stats_write(struct file *file,
 {
 	struct smmu_debugfs_info *info;
 	struct smmu_device *smmu;
-	struct dentry *dent;
 	int i;
 	enum {
 		_OFF = 0,
@@ -996,8 +995,7 @@ static ssize_t smmu_debugfs_stats_write(struct file *file,
 	if (i == ARRAY_SIZE(command))
 		return -EINVAL;
 
-	dent = file->f_dentry;
-	info = dent->d_inode->i_private;
+	info = file_inode(file)->i_private;
 	smmu = info->smmu;
 
 	offs = SMMU_CACHE_CONFIG(info->cache);
@@ -1032,15 +1030,11 @@ static ssize_t smmu_debugfs_stats_write(struct file *file,
 
 static int smmu_debugfs_stats_show(struct seq_file *s, void *v)
 {
-	struct smmu_debugfs_info *info;
-	struct smmu_device *smmu;
-	struct dentry *dent;
+	struct smmu_debugfs_info *info = s->private;
+	struct smmu_device *smmu = info->smmu;
 	int i;
 	const char * const stats[] = { "hit", "miss", };
 
-	dent = d_find_alias(s->private);
-	info = dent->d_inode->i_private;
-	smmu = info->smmu;
 
 	for (i = 0; i < ARRAY_SIZE(stats); i++) {
 		u32 val;
@@ -1054,14 +1048,12 @@ static int smmu_debugfs_stats_show(struct seq_file *s, void *v)
 			stats[i], val, offs);
 	}
 	seq_printf(s, "\n");
-	dput(dent);
-
 	return 0;
 }
 
 static int smmu_debugfs_stats_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, smmu_debugfs_stats_show, inode);
+	return single_open(file, smmu_debugfs_stats_show, inode->i_private);
 }
 
 static const struct file_operations smmu_debugfs_stats_fops = {
diff --git a/drivers/isdn/hardware/eicon/divasproc.c b/drivers/isdn/hardware/eicon/divasproc.c
index af4fd3d036c..3a4165c6119 100644
--- a/drivers/isdn/hardware/eicon/divasproc.c
+++ b/drivers/isdn/hardware/eicon/divasproc.c
@@ -145,7 +145,7 @@ void remove_divas_proc(void)
 static ssize_t grp_opt_proc_write(struct file *file, const char __user *buffer,
 				  size_t count, loff_t *pos)
 {
-	diva_os_xdi_adapter_t *a = PDE(file->f_path.dentry->d_inode)->data;
+	diva_os_xdi_adapter_t *a = PDE(file_inode(file))->data;
 	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
 
 	if ((count == 1) || (count == 2)) {
@@ -172,7 +172,7 @@ static ssize_t grp_opt_proc_write(struct file *file, const char __user *buffer,
 static ssize_t d_l1_down_proc_write(struct file *file, const char __user *buffer,
 				    size_t count, loff_t *pos)
 {
-	diva_os_xdi_adapter_t *a = PDE(file->f_path.dentry->d_inode)->data;
+	diva_os_xdi_adapter_t *a = PDE(file_inode(file))->data;
 	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
 
 	if ((count == 1) || (count == 2)) {
@@ -251,7 +251,7 @@ static const struct file_operations grp_opt_proc_fops = {
 static ssize_t info_proc_write(struct file *file, const char __user *buffer,
 			       size_t count, loff_t *pos)
 {
-	diva_os_xdi_adapter_t *a = PDE(file->f_path.dentry->d_inode)->data;
+	diva_os_xdi_adapter_t *a = PDE(file_inode(file))->data;
 	PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
 	char c[4];
 
diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c
index 88e4f0ee073..9a3ce93665c 100644
--- a/drivers/isdn/hysdn/hysdn_proclog.c
+++ b/drivers/isdn/hysdn/hysdn_proclog.c
@@ -173,7 +173,7 @@ hysdn_log_read(struct file *file, char __user *buf, size_t count, loff_t *off)
 {
 	struct log_data *inf;
 	int len;
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *pde = PDE(file_inode(file));
 	struct procdata *pd = NULL;
 	hysdn_card *card;
 
@@ -319,7 +319,7 @@ static unsigned int
 hysdn_log_poll(struct file *file, poll_table *wait)
 {
 	unsigned int mask = 0;
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *pde = PDE(file_inode(file));
 	hysdn_card *card;
 	struct procdata *pd = NULL;
 
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index b87d9e577be..9bb12ba3191 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -1058,7 +1058,7 @@ isdn_info_update(void)
 static ssize_t
 isdn_read(struct file *file, char __user *buf, size_t count, loff_t *off)
 {
-	uint minor = iminor(file->f_path.dentry->d_inode);
+	uint minor = iminor(file_inode(file));
 	int len = 0;
 	int drvidx;
 	int chidx;
@@ -1165,7 +1165,7 @@ out:
 static ssize_t
 isdn_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
 {
-	uint minor = iminor(file->f_path.dentry->d_inode);
+	uint minor = iminor(file_inode(file));
 	int drvidx;
 	int chidx;
 	int retval;
@@ -1228,7 +1228,7 @@ static unsigned int
 isdn_poll(struct file *file, poll_table *wait)
 {
 	unsigned int mask = 0;
-	unsigned int minor = iminor(file->f_path.dentry->d_inode);
+	unsigned int minor = iminor(file_inode(file));
 	int drvidx = isdn_minor2drv(minor - ISDN_MINOR_CTRL);
 
 	mutex_lock(&isdn_mutex);
@@ -1269,7 +1269,7 @@ out:
 static int
 isdn_ioctl(struct file *file, uint cmd, ulong arg)
 {
-	uint minor = iminor(file->f_path.dentry->d_inode);
+	uint minor = iminor(file_inode(file));
 	isdn_ctrl c;
 	int drvidx;
 	int ret;
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 61d78fa03b1..38ceac5053a 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -668,7 +668,7 @@ isdn_ppp_poll(struct file *file, poll_table *wait)
 
 	if (is->debug & 0x2)
 		printk(KERN_DEBUG "isdn_ppp_poll: minor: %d\n",
-		       iminor(file->f_path.dentry->d_inode));
+		       iminor(file_inode(file)));
 
 	/* just registers wait_queue hook. This doesn't really wait. */
 	poll_wait(file, &is->wq, wait);
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 7155945f8eb..4fd9d6aeff6 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -337,7 +337,7 @@ static int read_page(struct file *file, unsigned long index,
 		     struct page *page)
 {
 	int ret = 0;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct buffer_head *bh;
 	sector_t block;
 
@@ -755,7 +755,7 @@ static void bitmap_file_unmap(struct bitmap_storage *store)
 		free_buffers(sb_page);
 
 	if (file) {
-		struct inode *inode = file->f_path.dentry->d_inode;
+		struct inode *inode = file_inode(file);
 		invalidate_mapping_pages(inode->i_mapping, 0, -1);
 		fput(file);
 	}
diff --git a/drivers/media/pci/zoran/zoran_procfs.c b/drivers/media/pci/zoran/zoran_procfs.c
index f1423b777db..e084b0a21b1 100644
--- a/drivers/media/pci/zoran/zoran_procfs.c
+++ b/drivers/media/pci/zoran/zoran_procfs.c
@@ -137,7 +137,7 @@ static int zoran_open(struct inode *inode, struct file *file)
 static ssize_t zoran_write(struct file *file, const char __user *buffer,
 			size_t count, loff_t *ppos)
 {
-	struct zoran *zr = PDE(file->f_path.dentry->d_inode)->data;
+	struct zoran *zr = PDE(file_inode(file))->data;
 	char *string, *sp;
 	char *line, *ldelim, *varname, *svar, *tdelim;
 
diff --git a/drivers/media/rc/lirc_dev.c b/drivers/media/rc/lirc_dev.c
index ca12d3289bf..5247d94fea2 100644
--- a/drivers/media/rc/lirc_dev.c
+++ b/drivers/media/rc/lirc_dev.c
@@ -531,7 +531,7 @@ EXPORT_SYMBOL(lirc_dev_fop_close);
 
 unsigned int lirc_dev_fop_poll(struct file *file, poll_table *wait)
 {
-	struct irctl *ir = irctls[iminor(file->f_dentry->d_inode)];
+	struct irctl *ir = irctls[iminor(file_inode(file))];
 	unsigned int ret;
 
 	if (!ir) {
@@ -565,7 +565,7 @@ long lirc_dev_fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	__u32 mode;
 	int result = 0;
-	struct irctl *ir = irctls[iminor(file->f_dentry->d_inode)];
+	struct irctl *ir = irctls[iminor(file_inode(file))];
 
 	if (!ir) {
 		printk(KERN_ERR "lirc_dev: %s: no irctl found!\n", __func__);
@@ -650,7 +650,7 @@ ssize_t lirc_dev_fop_read(struct file *file,
 			  size_t length,
 			  loff_t *ppos)
 {
-	struct irctl *ir = irctls[iminor(file->f_dentry->d_inode)];
+	struct irctl *ir = irctls[iminor(file_inode(file))];
 	unsigned char *buf;
 	int ret = 0, written = 0;
 	DECLARE_WAITQUEUE(wait, current);
@@ -752,16 +752,7 @@ EXPORT_SYMBOL(lirc_dev_fop_read);
 
 void *lirc_get_pdata(struct file *file)
 {
-	void *data = NULL;
-
-	if (file && file->f_dentry && file->f_dentry->d_inode &&
-	    file->f_dentry->d_inode->i_rdev) {
-		struct irctl *ir;
-		ir = irctls[iminor(file->f_dentry->d_inode)];
-		data = ir->d.data;
-	}
-
-	return data;
+	return irctls[iminor(file_inode(file))]->d.data;
 }
 EXPORT_SYMBOL(lirc_get_pdata);
 
@@ -769,7 +760,7 @@ EXPORT_SYMBOL(lirc_get_pdata);
 ssize_t lirc_dev_fop_write(struct file *file, const char __user *buffer,
 			   size_t length, loff_t *ppos)
 {
-	struct irctl *ir = irctls[iminor(file->f_dentry->d_inode)];
+	struct irctl *ir = irctls[iminor(file_inode(file))];
 
 	if (!ir) {
 		printk(KERN_ERR "%s: called with invalid irctl\n", __func__);
diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index 51b3a7713dc..de1e9ab7db9 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -222,7 +222,7 @@ static struct class video_class = {
 
 struct video_device *video_devdata(struct file *file)
 {
-	return video_device[iminor(file->f_path.dentry->d_inode)];
+	return video_device[iminor(file_inode(file))];
 }
 EXPORT_SYMBOL(video_devdata);
 
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 818b65c85d1..8f30d385bfa 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -1408,40 +1408,32 @@ static void clear_memalloc(int memalloc)
 		current->flags &= ~PF_MEMALLOC;
 }
 
-static ssize_t read_file(struct nandsim *ns, struct file *file, void *buf, size_t count, loff_t *pos)
+static ssize_t read_file(struct nandsim *ns, struct file *file, void *buf, size_t count, loff_t pos)
 {
-	mm_segment_t old_fs;
 	ssize_t tx;
 	int err, memalloc;
 
-	err = get_pages(ns, file, count, *pos);
+	err = get_pages(ns, file, count, pos);
 	if (err)
 		return err;
-	old_fs = get_fs();
-	set_fs(get_ds());
 	memalloc = set_memalloc();
-	tx = vfs_read(file, (char __user *)buf, count, pos);
+	tx = kernel_read(file, pos, buf, count);
 	clear_memalloc(memalloc);
-	set_fs(old_fs);
 	put_pages(ns);
 	return tx;
 }
 
-static ssize_t write_file(struct nandsim *ns, struct file *file, void *buf, size_t count, loff_t *pos)
+static ssize_t write_file(struct nandsim *ns, struct file *file, void *buf, size_t count, loff_t pos)
 {
-	mm_segment_t old_fs;
 	ssize_t tx;
 	int err, memalloc;
 
-	err = get_pages(ns, file, count, *pos);
+	err = get_pages(ns, file, count, pos);
 	if (err)
 		return err;
-	old_fs = get_fs();
-	set_fs(get_ds());
 	memalloc = set_memalloc();
-	tx = vfs_write(file, (char __user *)buf, count, pos);
+	tx = kernel_write(file, buf, count, pos);
 	clear_memalloc(memalloc);
-	set_fs(old_fs);
 	put_pages(ns);
 	return tx;
 }
@@ -1511,7 +1503,7 @@ static void read_page(struct nandsim *ns, int num)
 			if (do_read_error(ns, num))
 				return;
 			pos = (loff_t)ns->regs.row * ns->geom.pgszoob + ns->regs.column + ns->regs.off;
-			tx = read_file(ns, ns->cfile, ns->buf.byte, num, &pos);
+			tx = read_file(ns, ns->cfile, ns->buf.byte, num, pos);
 			if (tx != num) {
 				NS_ERR("read_page: read error for page %d ret %ld\n", ns->regs.row, (long)tx);
 				return;
@@ -1573,7 +1565,7 @@ static int prog_page(struct nandsim *ns, int num)
 	u_char *pg_off;
 
 	if (ns->cfile) {
-		loff_t off, pos;
+		loff_t off;
 		ssize_t tx;
 		int all;
 
@@ -1585,8 +1577,7 @@ static int prog_page(struct nandsim *ns, int num)
 			memset(ns->file_buf, 0xff, ns->geom.pgszoob);
 		} else {
 			all = 0;
-			pos = off;
-			tx = read_file(ns, ns->cfile, pg_off, num, &pos);
+			tx = read_file(ns, ns->cfile, pg_off, num, off);
 			if (tx != num) {
 				NS_ERR("prog_page: read error for page %d ret %ld\n", ns->regs.row, (long)tx);
 				return -1;
@@ -1595,16 +1586,15 @@ static int prog_page(struct nandsim *ns, int num)
 		for (i = 0; i < num; i++)
 			pg_off[i] &= ns->buf.byte[i];
 		if (all) {
-			pos = (loff_t)ns->regs.row * ns->geom.pgszoob;
-			tx = write_file(ns, ns->cfile, ns->file_buf, ns->geom.pgszoob, &pos);
+			loff_t pos = (loff_t)ns->regs.row * ns->geom.pgszoob;
+			tx = write_file(ns, ns->cfile, ns->file_buf, ns->geom.pgszoob, pos);
 			if (tx != ns->geom.pgszoob) {
 				NS_ERR("prog_page: write error for page %d ret %ld\n", ns->regs.row, (long)tx);
 				return -1;
 			}
 			ns->pages_written[ns->regs.row] = 1;
 		} else {
-			pos = off;
-			tx = write_file(ns, ns->cfile, pg_off, num, &pos);
+			tx = write_file(ns, ns->cfile, pg_off, num, off);
 			if (tx != num) {
 				NS_ERR("prog_page: write error for page %d ret %ld\n", ns->regs.row, (long)tx);
 				return -1;
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index dfcc65b33e9..4f02848bb2b 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -194,7 +194,7 @@ static int vol_cdev_fsync(struct file *file, loff_t start, loff_t end,
 {
 	struct ubi_volume_desc *desc = file->private_data;
 	struct ubi_device *ubi = desc->vol->ubi;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int err;
 	mutex_lock(&inode->i_mutex);
 	err = ubi_sync(ubi->ubi_num);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index c6c05bfef0e..e707e31abd8 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2347,7 +2347,7 @@ static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
 			loff_t *ppos)
 {
 	loff_t pos = *ppos;
-	loff_t avail = file->f_path.dentry->d_inode->i_size;
+	loff_t avail = file_inode(file)->i_size;
 	unsigned int mem = (uintptr_t)file->private_data & 3;
 	struct adapter *adap = file->private_data - mem;
 
diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index 0179cefae43..84734a80509 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -938,14 +938,14 @@ static int cosa_open(struct inode *inode, struct file *file)
 	int ret = 0;
 
 	mutex_lock(&cosa_chardev_mutex);
-	if ((n=iminor(file->f_path.dentry->d_inode)>>CARD_MINOR_BITS)
+	if ((n=iminor(file_inode(file))>>CARD_MINOR_BITS)
 		>= nr_cards) {
 		ret = -ENODEV;
 		goto out;
 	}
 	cosa = cosa_cards+n;
 
-	if ((n=iminor(file->f_path.dentry->d_inode)
+	if ((n=iminor(file_inode(file))
 		& ((1<<CARD_MINOR_BITS)-1)) >= cosa->nchannels) {
 		ret = -ENODEV;
 		goto out;
diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index e7cf37f550d..3109c0db66e 100644
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -2778,7 +2778,7 @@ static ssize_t int_proc_write(struct file *file, const char __user *buffer,
 		nr = nr * 10 + c;
 		p++;
 	} while (--len);
-	*(int *)PDE(file->f_path.dentry->d_inode)->data = nr;
+	*(int *)PDE(file_inode(file))->data = nr;
 	return count;
 }
 
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index 849357c1045..445ffda715a 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -139,17 +139,22 @@ static int __oprofilefs_create_file(struct super_block *sb,
 	struct dentry *dentry;
 	struct inode *inode;
 
+	mutex_lock(&root->d_inode->i_mutex);
 	dentry = d_alloc_name(root, name);
-	if (!dentry)
+	if (!dentry) {
+		mutex_unlock(&root->d_inode->i_mutex);
 		return -ENOMEM;
+	}
 	inode = oprofilefs_get_inode(sb, S_IFREG | perm);
 	if (!inode) {
 		dput(dentry);
+		mutex_unlock(&root->d_inode->i_mutex);
 		return -ENOMEM;
 	}
 	inode->i_fop = fops;
+	inode->i_private = priv;
 	d_add(dentry, inode);
-	dentry->d_inode->i_private = priv;
+	mutex_unlock(&root->d_inode->i_mutex);
 	return 0;
 }
 
@@ -212,17 +217,22 @@ struct dentry *oprofilefs_mkdir(struct super_block *sb,
 	struct dentry *dentry;
 	struct inode *inode;
 
+	mutex_lock(&root->d_inode->i_mutex);
 	dentry = d_alloc_name(root, name);
-	if (!dentry)
+	if (!dentry) {
+		mutex_unlock(&root->d_inode->i_mutex);
 		return NULL;
+	}
 	inode = oprofilefs_get_inode(sb, S_IFDIR | 0755);
 	if (!inode) {
 		dput(dentry);
+		mutex_unlock(&root->d_inode->i_mutex);
 		return NULL;
 	}
 	inode->i_op = &simple_dir_inode_operations;
 	inode->i_fop = &simple_dir_operations;
 	d_add(dentry, inode);
+	mutex_unlock(&root->d_inode->i_mutex);
 	return dentry;
 }
 
diff --git a/drivers/parisc/led.c b/drivers/parisc/led.c
index f2f501e5b6a..d4d800c54d8 100644
--- a/drivers/parisc/led.c
+++ b/drivers/parisc/led.c
@@ -179,7 +179,7 @@ static int led_proc_open(struct inode *inode, struct file *file)
 static ssize_t led_proc_write(struct file *file, const char *buf,
 	size_t count, loff_t *pos)
 {
-	void *data = PDE(file->f_path.dentry->d_inode)->data;
+	void *data = PDE(file_inode(file))->data;
 	char *cur, lbuf[32];
 	int d;
 
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 9b8505ccc56..0b009470e6d 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -21,7 +21,7 @@ static loff_t
 proc_bus_pci_lseek(struct file *file, loff_t off, int whence)
 {
 	loff_t new = -1;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 
 	mutex_lock(&inode->i_mutex);
 	switch (whence) {
@@ -46,7 +46,7 @@ proc_bus_pci_lseek(struct file *file, loff_t off, int whence)
 static ssize_t
 proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
 {
-	const struct inode *ino = file->f_path.dentry->d_inode;
+	const struct inode *ino = file_inode(file);
 	const struct proc_dir_entry *dp = PDE(ino);
 	struct pci_dev *dev = dp->data;
 	unsigned int pos = *ppos;
@@ -132,7 +132,7 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
 static ssize_t
 proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, loff_t *ppos)
 {
-	struct inode *ino = file->f_path.dentry->d_inode;
+	struct inode *ino = file_inode(file);
 	const struct proc_dir_entry *dp = PDE(ino);
 	struct pci_dev *dev = dp->data;
 	int pos = *ppos;
@@ -212,7 +212,7 @@ struct pci_filp_private {
 static long proc_bus_pci_ioctl(struct file *file, unsigned int cmd,
 			       unsigned long arg)
 {
-	const struct proc_dir_entry *dp = PDE(file->f_dentry->d_inode);
+	const struct proc_dir_entry *dp = PDE(file_inode(file));
 	struct pci_dev *dev = dp->data;
 #ifdef HAVE_PCI_MMAP
 	struct pci_filp_private *fpriv = file->private_data;
@@ -253,7 +253,7 @@ static long proc_bus_pci_ioctl(struct file *file, unsigned int cmd,
 #ifdef HAVE_PCI_MMAP
 static int proc_bus_pci_mmap(struct file *file, struct vm_area_struct *vma)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	const struct proc_dir_entry *dp = PDE(inode);
 	struct pci_dev *dev = dp->data;
 	struct pci_filp_private *fpriv = file->private_data;
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index ceb41eff423..8da21876a79 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -3566,7 +3566,7 @@ static ssize_t sonypi_misc_read(struct file *file, char __user *buf,
 	}
 
 	if (ret > 0) {
-		struct inode *inode = file->f_path.dentry->d_inode;
+		struct inode *inode = file_inode(file);
 		inode->i_atime = current_fs_time(inode->i_sb);
 	}
 
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index ebcb461bb2b..f4f8408f3b5 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -852,7 +852,7 @@ static ssize_t dispatch_proc_write(struct file *file,
 			const char __user *userbuf,
 			size_t count, loff_t *pos)
 {
-	struct ibm_struct *ibm = PDE(file->f_path.dentry->d_inode)->data;
+	struct ibm_struct *ibm = PDE(file_inode(file))->data;
 	char *kernbuf;
 	int ret;
 
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 904476b2fa8..242abac62d8 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -583,7 +583,7 @@ static int set_lcd_status(struct backlight_device *bd)
 static ssize_t lcd_proc_write(struct file *file, const char __user *buf,
 			      size_t count, loff_t *pos)
 {
-	struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data;
+	struct toshiba_acpi_dev *dev = PDE(file_inode(file))->data;
 	char cmd[42];
 	size_t len;
 	int value;
@@ -650,7 +650,7 @@ static int video_proc_open(struct inode *inode, struct file *file)
 static ssize_t video_proc_write(struct file *file, const char __user *buf,
 				size_t count, loff_t *pos)
 {
-	struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data;
+	struct toshiba_acpi_dev *dev = PDE(file_inode(file))->data;
 	char *cmd, *buffer;
 	int ret;
 	int value;
@@ -750,7 +750,7 @@ static int fan_proc_open(struct inode *inode, struct file *file)
 static ssize_t fan_proc_write(struct file *file, const char __user *buf,
 			      size_t count, loff_t *pos)
 {
-	struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data;
+	struct toshiba_acpi_dev *dev = PDE(file_inode(file))->data;
 	char cmd[42];
 	size_t len;
 	int value;
@@ -822,7 +822,7 @@ static int keys_proc_open(struct inode *inode, struct file *file)
 static ssize_t keys_proc_write(struct file *file, const char __user *buf,
 			       size_t count, loff_t *pos)
 {
-	struct toshiba_acpi_dev *dev = PDE(file->f_path.dentry->d_inode)->data;
+	struct toshiba_acpi_dev *dev = PDE(file_inode(file))->data;
 	char cmd[42];
 	size_t len;
 	int value;
diff --git a/drivers/pnp/isapnp/proc.c b/drivers/pnp/isapnp/proc.c
index 315b3112aca..65f735ac6b3 100644
--- a/drivers/pnp/isapnp/proc.c
+++ b/drivers/pnp/isapnp/proc.c
@@ -30,7 +30,7 @@ static struct proc_dir_entry *isapnp_proc_bus_dir = NULL;
 static loff_t isapnp_proc_bus_lseek(struct file *file, loff_t off, int whence)
 {
 	loff_t new = -1;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 
 	mutex_lock(&inode->i_mutex);
 	switch (whence) {
@@ -55,7 +55,7 @@ static loff_t isapnp_proc_bus_lseek(struct file *file, loff_t off, int whence)
 static ssize_t isapnp_proc_bus_read(struct file *file, char __user * buf,
 				    size_t nbytes, loff_t * ppos)
 {
-	struct inode *ino = file->f_path.dentry->d_inode;
+	struct inode *ino = file_inode(file);
 	struct proc_dir_entry *dp = PDE(ino);
 	struct pnp_dev *dev = dp->data;
 	int pos = *ppos;
diff --git a/drivers/pnp/pnpbios/proc.c b/drivers/pnp/pnpbios/proc.c
index bc89f392a62..63ddb017345 100644
--- a/drivers/pnp/pnpbios/proc.c
+++ b/drivers/pnp/pnpbios/proc.c
@@ -244,7 +244,7 @@ static int pnpbios_proc_open(struct inode *inode, struct file *file)
 static ssize_t pnpbios_proc_write(struct file *file, const char __user *buf,
 				  size_t count, loff_t *pos)
 {
-	void *data = PDE(file->f_path.dentry->d_inode)->data;
+	void *data = PDE(file_inode(file))->data;
 	struct pnp_bios_node *node;
 	int boot = (long)data >> 8;
 	u8 nodenum = (long)data;
diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c
index 230697aac94..96e52bf7593 100644
--- a/drivers/s390/char/fs3270.c
+++ b/drivers/s390/char/fs3270.c
@@ -433,9 +433,9 @@ fs3270_open(struct inode *inode, struct file *filp)
 	struct idal_buffer *ib;
 	int minor, rc = 0;
 
-	if (imajor(filp->f_path.dentry->d_inode) != IBM_FS3270_MAJOR)
+	if (imajor(file_inode(filp)) != IBM_FS3270_MAJOR)
 		return -ENODEV;
-	minor = iminor(filp->f_path.dentry->d_inode);
+	minor = iminor(file_inode(filp));
 	/* Check for minor 0 multiplexer. */
 	if (minor == 0) {
 		struct tty_struct *tty = get_current_tty();
diff --git a/drivers/s390/char/tape_char.c b/drivers/s390/char/tape_char.c
index 2d61db3fc62..6dc60725de9 100644
--- a/drivers/s390/char/tape_char.c
+++ b/drivers/s390/char/tape_char.c
@@ -273,13 +273,13 @@ tapechar_open (struct inode *inode, struct file *filp)
 	int minor, rc;
 
 	DBF_EVENT(6, "TCHAR:open: %i:%i\n",
-		imajor(filp->f_path.dentry->d_inode),
-		iminor(filp->f_path.dentry->d_inode));
+		imajor(file_inode(filp)),
+		iminor(file_inode(filp)));
 
-	if (imajor(filp->f_path.dentry->d_inode) != tapechar_major)
+	if (imajor(file_inode(filp)) != tapechar_major)
 		return -ENODEV;
 
-	minor = iminor(filp->f_path.dentry->d_inode);
+	minor = iminor(file_inode(filp));
 	device = tape_find_device(minor / TAPE_MINORS_PER_DEV);
 	if (IS_ERR(device)) {
 		DBF_EVENT(3, "TCHAR:open: tape_find_device() failed\n");
diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c
index 483f72ba030..c180e3135b3 100644
--- a/drivers/s390/char/vmur.c
+++ b/drivers/s390/char/vmur.c
@@ -703,7 +703,7 @@ static int ur_open(struct inode *inode, struct file *file)
 	 * We treat the minor number as the devno of the ur device
 	 * to find in the driver tree.
 	 */
-	devno = MINOR(file->f_dentry->d_inode->i_rdev);
+	devno = MINOR(file_inode(file)->i_rdev);
 
 	urd = urdev_get_from_devno(devno);
 	if (!urd) {
diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c
index e6e0d31c02a..749b72739c4 100644
--- a/drivers/s390/cio/qdio_debug.c
+++ b/drivers/s390/cio/qdio_debug.c
@@ -128,7 +128,7 @@ static int qstat_show(struct seq_file *m, void *v)
 static int qstat_seq_open(struct inode *inode, struct file *filp)
 {
 	return single_open(filp, qstat_show,
-			   filp->f_path.dentry->d_inode->i_private);
+			   file_inode(filp)->i_private);
 }
 
 static const struct file_operations debugfs_fops = {
@@ -221,7 +221,7 @@ static ssize_t qperf_seq_write(struct file *file, const char __user *ubuf,
 static int qperf_seq_open(struct inode *inode, struct file *filp)
 {
 	return single_open(filp, qperf_show,
-			   filp->f_path.dentry->d_inode->i_private);
+			   file_inode(filp)->i_private);
 }
 
 static struct file_operations debugfs_perf_fops = {
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index e85c803b30c..fc1339cf91a 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -107,7 +107,7 @@ static long d7s_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	int error = 0;
 	u8 ireg = 0;
 
-	if (D7S_MINOR != iminor(file->f_path.dentry->d_inode))
+	if (D7S_MINOR != iminor(file_inode(file)))
 		return -ENODEV;
 
 	mutex_lock(&d7s_mutex);
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index d1f0120cdb9..5e1e12c0cf4 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -640,7 +640,7 @@ out:
 /* This function handles ioctl for the character device */
 static long twa_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	long timeout;
 	unsigned long *cpu_addr, data_buffer_length_adjusted = 0, flags = 0;
 	dma_addr_t dma_handle;
diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c
index 52a2f0580d9..c845bdbeb6c 100644
--- a/drivers/scsi/3w-sas.c
+++ b/drivers/scsi/3w-sas.c
@@ -757,7 +757,7 @@ static long twl_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long
 	dma_addr_t dma_handle;
 	int request_id = 0;
 	TW_Ioctl_Driver_Command driver_command;
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	TW_Ioctl_Buf_Apache *tw_ioctl;
 	TW_Command_Full *full_command_packet;
 	TW_Device_Extension *tw_dev = twl_device_extension_list[iminor(inode)];
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index 62071d2fc1c..56662ae03de 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -889,7 +889,7 @@ static long tw_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long a
 	unsigned long flags;
 	unsigned int data_buffer_length = 0;
 	unsigned long data_buffer_length_adjusted = 0;
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	unsigned long *cpu_addr;
 	long timeout;
 	TW_New_Ioctl *tw_ioctl;
diff --git a/drivers/scsi/csiostor/csio_init.c b/drivers/scsi/csiostor/csio_init.c
index b42cbbd3d92..c323b2030af 100644
--- a/drivers/scsi/csiostor/csio_init.c
+++ b/drivers/scsi/csiostor/csio_init.c
@@ -71,7 +71,7 @@ static ssize_t
 csio_mem_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 {
 	loff_t pos = *ppos;
-	loff_t avail = file->f_path.dentry->d_inode->i_size;
+	loff_t avail = file_inode(file)->i_size;
 	unsigned int mem = (uintptr_t)file->private_data & 3;
 	struct csio_hw *hw = file->private_data - mem;
 
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index b4f6c9a84e7..b6e2700ec1c 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -2161,7 +2161,7 @@ static long adpt_unlocked_ioctl(struct file *file, uint cmd, ulong arg)
 	struct inode *inode;
 	long ret;
  
-	inode = file->f_dentry->d_inode;
+	inode = file_inode(file);
  
 	mutex_lock(&adpt_mutex);
 	ret = adpt_ioctl(inode, file, cmd, arg);
@@ -2177,7 +2177,7 @@ static long compat_adpt_ioctl(struct file *file,
 	struct inode *inode;
 	long ret;
  
-	inode = file->f_dentry->d_inode;
+	inode = file_inode(file);
  
 	mutex_lock(&adpt_mutex);
  
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 98156a97c47..3e2b3717cb5 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -977,7 +977,7 @@ static int check_tape(struct scsi_tape *STp, struct file *filp)
 	struct st_modedef *STm;
 	struct st_partstat *STps;
 	char *name = tape_name(STp);
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	int mode = TAPE_MODE(inode);
 
 	STp->ready = ST_READY;
diff --git a/drivers/staging/bcm/Misc.c b/drivers/staging/bcm/Misc.c
index b5c2c4c15f9..d23eeeb9506 100644
--- a/drivers/staging/bcm/Misc.c
+++ b/drivers/staging/bcm/Misc.c
@@ -185,7 +185,7 @@ static int BcmFileDownload(struct bcm_mini_adapter *Adapter, const char *path, u
 		BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Unable to Open %s\n", path);
 		return -ENOENT;
 	}
-	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Opened file is = %s and length =0x%lx to be downloaded at =0x%x", path, (unsigned long)flp->f_dentry->d_inode->i_size, loc);
+	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Opened file is = %s and length =0x%lx to be downloaded at =0x%x", path, (unsigned long)file_inode(flp)->i_size, loc);
 	do_gettimeofday(&tv);
 
 	BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "download start %lx", ((tv.tv_sec * 1000) + (tv.tv_usec / 1000)));
diff --git a/drivers/staging/ccg/f_mass_storage.c b/drivers/staging/ccg/f_mass_storage.c
index 4f1142efa6d..20bc2b454ac 100644
--- a/drivers/staging/ccg/f_mass_storage.c
+++ b/drivers/staging/ccg/f_mass_storage.c
@@ -998,7 +998,7 @@ static int do_synchronize_cache(struct fsg_common *common)
 static void invalidate_sub(struct fsg_lun *curlun)
 {
 	struct file	*filp = curlun->filp;
-	struct inode	*inode = filp->f_path.dentry->d_inode;
+	struct inode	*inode = file_inode(filp);
 	unsigned long	rc;
 
 	rc = invalidate_mapping_pages(inode->i_mapping, 0, -1);
diff --git a/drivers/staging/ccg/rndis.c b/drivers/staging/ccg/rndis.c
index e4192b887de..d9297eebbf7 100644
--- a/drivers/staging/ccg/rndis.c
+++ b/drivers/staging/ccg/rndis.c
@@ -1065,7 +1065,7 @@ static int rndis_proc_show(struct seq_file *m, void *v)
 static ssize_t rndis_proc_write(struct file *file, const char __user *buffer,
 				size_t count, loff_t *ppos)
 {
-	rndis_params *p = PDE(file->f_path.dentry->d_inode)->data;
+	rndis_params *p = PDE(file_inode(file))->data;
 	u32 speed = 0;
 	int i, fl_speed = 0;
 
diff --git a/drivers/staging/ccg/storage_common.c b/drivers/staging/ccg/storage_common.c
index 8d9bcd8207c..abb01ac74ce 100644
--- a/drivers/staging/ccg/storage_common.c
+++ b/drivers/staging/ccg/storage_common.c
@@ -656,7 +656,7 @@ static int fsg_lun_open(struct fsg_lun *curlun, const char *filename)
 	if (!(filp->f_mode & FMODE_WRITE))
 		ro = 1;
 
-	inode = filp->f_path.dentry->d_inode;
+	inode = file_inode(filp);
 	if ((!S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode))) {
 		LINFO(curlun, "invalid file type: %s\n", filename);
 		goto out;
diff --git a/drivers/staging/dgrp/dgrp_specproc.c b/drivers/staging/dgrp/dgrp_specproc.c
index 13c7ccf163c..73f287f9660 100644
--- a/drivers/staging/dgrp/dgrp_specproc.c
+++ b/drivers/staging/dgrp/dgrp_specproc.c
@@ -357,7 +357,7 @@ static int dgrp_gen_proc_open(struct inode *inode, struct file *file)
 	struct dgrp_proc_entry *entry;
 	int ret = 0;
 
-	de = (struct proc_dir_entry *) PDE(file->f_dentry->d_inode);
+	de = (struct proc_dir_entry *) PDE(file_inode(file));
 	if (!de || !de->data) {
 		ret = -ENXIO;
 		goto done;
@@ -387,7 +387,7 @@ static int dgrp_gen_proc_close(struct inode *inode, struct file *file)
 	struct proc_dir_entry *de;
 	struct dgrp_proc_entry *entry;
 
-	de = (struct proc_dir_entry *) PDE(file->f_dentry->d_inode);
+	de = (struct proc_dir_entry *) PDE(file_inode(file));
 	if (!de || !de->data)
 		goto done;
 
diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c
index 75aa5bfcb8d..539fa5785af 100644
--- a/drivers/staging/usbip/usbip_common.c
+++ b/drivers/staging/usbip/usbip_common.c
@@ -411,7 +411,7 @@ struct socket *sockfd_to_socket(unsigned int sockfd)
 		return NULL;
 	}
 
-	inode = file->f_dentry->d_inode;
+	inode = file_inode(file);
 
 	if (!inode || !S_ISSOCK(inode->i_mode)) {
 		fput(file);
diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c
index 57474cff51f..d074b1ecb41 100644
--- a/drivers/staging/vme/devices/vme_user.c
+++ b/drivers/staging/vme/devices/vme_user.c
@@ -318,7 +318,7 @@ static ssize_t buffer_from_user(unsigned int minor, const char __user *buf,
 static ssize_t vme_user_read(struct file *file, char __user *buf, size_t count,
 			loff_t *ppos)
 {
-	unsigned int minor = MINOR(file->f_dentry->d_inode->i_rdev);
+	unsigned int minor = MINOR(file_inode(file)->i_rdev);
 	ssize_t retval;
 	size_t image_size;
 	size_t okcount;
@@ -364,7 +364,7 @@ static ssize_t vme_user_read(struct file *file, char __user *buf, size_t count,
 static ssize_t vme_user_write(struct file *file, const char __user *buf,
 			size_t count, loff_t *ppos)
 {
-	unsigned int minor = MINOR(file->f_dentry->d_inode->i_rdev);
+	unsigned int minor = MINOR(file_inode(file)->i_rdev);
 	ssize_t retval;
 	size_t image_size;
 	size_t okcount;
@@ -410,7 +410,7 @@ static ssize_t vme_user_write(struct file *file, const char __user *buf,
 static loff_t vme_user_llseek(struct file *file, loff_t off, int whence)
 {
 	loff_t absolute = -1;
-	unsigned int minor = MINOR(file->f_dentry->d_inode->i_rdev);
+	unsigned int minor = MINOR(file_inode(file)->i_rdev);
 	size_t image_size;
 
 	if (minor == CONTROL_MINOR)
@@ -583,7 +583,7 @@ vme_user_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	int ret;
 
 	mutex_lock(&vme_user_mutex);
-	ret = vme_user_ioctl(file->f_path.dentry->d_inode, file, cmd, arg);
+	ret = vme_user_ioctl(file_inode(file), file, cmd, arg);
 	mutex_unlock(&vme_user_mutex);
 
 	return ret;
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 7d4ec02e29a..ff1c5ee352c 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -27,6 +27,7 @@
 #include <linux/spinlock.h>
 #include <linux/configfs.h>
 #include <linux/export.h>
+#include <linux/file.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_cmnd.h>
 #include <asm/unaligned.h>
@@ -715,36 +716,18 @@ static int core_alua_write_tpg_metadata(
 	unsigned char *md_buf,
 	u32 md_buf_len)
 {
-	mm_segment_t old_fs;
-	struct file *file;
-	struct iovec iov[1];
-	int flags = O_RDWR | O_CREAT | O_TRUNC, ret;
-
-	memset(iov, 0, sizeof(struct iovec));
+	struct file *file = filp_open(path, O_RDWR | O_CREAT | O_TRUNC, 0600);
+	int ret;
 
-	file = filp_open(path, flags, 0600);
-	if (IS_ERR(file) || !file || !file->f_dentry) {
-		pr_err("filp_open(%s) for ALUA metadata failed\n",
-			path);
+	if (IS_ERR(file)) {
+		pr_err("filp_open(%s) for ALUA metadata failed\n", path);
 		return -ENODEV;
 	}
-
-	iov[0].iov_base = &md_buf[0];
-	iov[0].iov_len = md_buf_len;
-
-	old_fs = get_fs();
-	set_fs(get_ds());
-	ret = vfs_writev(file, &iov[0], 1, &file->f_pos);
-	set_fs(old_fs);
-
-	if (ret < 0) {
+	ret = kernel_write(file, md_buf, md_buf_len, 0);
+	if (ret < 0)
 		pr_err("Error writing ALUA metadata file: %s\n", path);
-		filp_close(file, NULL);
-		return -EIO;
-	}
-	filp_close(file, NULL);
-
-	return 0;
+	fput(file);
+	return ret ? -EIO : 0;
 }
 
 /*
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index ca36a38eb27..d226c10a985 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -270,7 +270,7 @@ static int fd_do_rw(struct se_cmd *cmd, struct scatterlist *sgl,
 		 * the expected virt_size for struct file w/o a backing struct
 		 * block_device.
 		 */
-		if (S_ISBLK(fd->f_dentry->d_inode->i_mode)) {
+		if (S_ISBLK(file_inode(fd)->i_mode)) {
 			if (ret < 0 || ret != cmd->data_length) {
 				pr_err("%s() returned %d, expecting %u for "
 						"S_ISBLK\n", __func__, ret,
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 8e0290b38e4..3240f2cc81e 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -27,6 +27,7 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/list.h>
+#include <linux/file.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_cmnd.h>
 #include <asm/unaligned.h>
@@ -1957,13 +1958,10 @@ static int __core_scsi3_write_aptpl_to_file(
 {
 	struct t10_wwn *wwn = &dev->t10_wwn;
 	struct file *file;
-	struct iovec iov[1];
-	mm_segment_t old_fs;
 	int flags = O_RDWR | O_CREAT | O_TRUNC;
 	char path[512];
 	int ret;
 
-	memset(iov, 0, sizeof(struct iovec));
 	memset(path, 0, 512);
 
 	if (strlen(&wwn->unit_serial[0]) >= 512) {
@@ -1974,31 +1972,22 @@ static int __core_scsi3_write_aptpl_to_file(
 
 	snprintf(path, 512, "/var/target/pr/aptpl_%s", &wwn->unit_serial[0]);
 	file = filp_open(path, flags, 0600);
-	if (IS_ERR(file) || !file || !file->f_dentry) {
+	if (IS_ERR(file)) {
 		pr_err("filp_open(%s) for APTPL metadata"
 			" failed\n", path);
-		return IS_ERR(file) ? PTR_ERR(file) : -ENOENT;
+		return PTR_ERR(file);
 	}
 
-	iov[0].iov_base = &buf[0];
 	if (!pr_aptpl_buf_len)
-		iov[0].iov_len = (strlen(&buf[0]) + 1); /* Add extra for NULL */
-	else
-		iov[0].iov_len = pr_aptpl_buf_len;
+		pr_aptpl_buf_len = (strlen(&buf[0]) + 1); /* Add extra for NULL */
 
-	old_fs = get_fs();
-	set_fs(get_ds());
-	ret = vfs_writev(file, &iov[0], 1, &file->f_pos);
-	set_fs(old_fs);
+	ret = kernel_write(file, buf, pr_aptpl_buf_len, 0);
 
-	if (ret < 0) {
+	if (ret < 0)
 		pr_debug("Error writing APTPL metadata file: %s\n", path);
-		filp_close(file, NULL);
-		return -EIO;
-	}
-	filp_close(file, NULL);
+	fput(file);
 
-	return 0;
+	return ret ? -EIO : 0;
 }
 
 static int
diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c
index fa7268a93c0..e4ca345873c 100644
--- a/drivers/tty/vt/vc_screen.c
+++ b/drivers/tty/vt/vc_screen.c
@@ -101,7 +101,7 @@ vcs_poll_data_get(struct file *file)
 	poll = kzalloc(sizeof(*poll), GFP_KERNEL);
 	if (!poll)
 		return NULL;
-	poll->cons_num = iminor(file->f_path.dentry->d_inode) & 127;
+	poll->cons_num = iminor(file_inode(file)) & 127;
 	init_waitqueue_head(&poll->waitq);
 	poll->notifier.notifier_call = vcs_notifier;
 	if (register_vt_notifier(&poll->notifier) != 0) {
@@ -182,7 +182,7 @@ static loff_t vcs_lseek(struct file *file, loff_t offset, int orig)
 	int size;
 
 	console_lock();
-	size = vcs_size(file->f_path.dentry->d_inode);
+	size = vcs_size(file_inode(file));
 	console_unlock();
 	if (size < 0)
 		return size;
@@ -208,7 +208,7 @@ static loff_t vcs_lseek(struct file *file, loff_t offset, int orig)
 static ssize_t
 vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	unsigned int currcons = iminor(inode);
 	struct vc_data *vc;
 	struct vcs_poll_data *poll;
@@ -386,7 +386,7 @@ unlock_out:
 static ssize_t
 vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	unsigned int currcons = iminor(inode);
 	struct vc_data *vc;
 	long pos;
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index e33224e2377..2a3bbdf7eb9 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -665,7 +665,7 @@ static loff_t usb_device_lseek(struct file *file, loff_t offset, int orig)
 {
 	loff_t ret;
 
-	mutex_lock(&file->f_dentry->d_inode->i_mutex);
+	mutex_lock(&file_inode(file)->i_mutex);
 
 	switch (orig) {
 	case 0:
@@ -681,7 +681,7 @@ static loff_t usb_device_lseek(struct file *file, loff_t offset, int orig)
 		ret = -EINVAL;
 	}
 
-	mutex_unlock(&file->f_dentry->d_inode->i_mutex);
+	mutex_unlock(&file_inode(file)->i_mutex);
 	return ret;
 }
 
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 4a863fdbdcc..8823e98989f 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -161,7 +161,7 @@ static loff_t usbdev_lseek(struct file *file, loff_t offset, int orig)
 {
 	loff_t ret;
 
-	mutex_lock(&file->f_dentry->d_inode->i_mutex);
+	mutex_lock(&file_inode(file)->i_mutex);
 
 	switch (orig) {
 	case 0:
@@ -177,7 +177,7 @@ static loff_t usbdev_lseek(struct file *file, loff_t offset, int orig)
 		ret = -EINVAL;
 	}
 
-	mutex_unlock(&file->f_dentry->d_inode->i_mutex);
+	mutex_unlock(&file_inode(file)->i_mutex);
 	return ret;
 }
 
@@ -1971,7 +1971,7 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd,
 				void __user *p)
 {
 	struct dev_state *ps = file->private_data;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct usb_device *dev = ps->dev;
 	int ret = -ENOTTY;
 
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index bc19496bcec..b66130c9726 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -93,7 +93,7 @@ static ssize_t queue_dbg_read(struct file *file, char __user *buf,
 	if (!access_ok(VERIFY_WRITE, buf, nbytes))
 		return -EFAULT;
 
-	mutex_lock(&file->f_dentry->d_inode->i_mutex);
+	mutex_lock(&file_inode(file)->i_mutex);
 	list_for_each_entry_safe(req, tmp_req, queue, queue) {
 		len = snprintf(tmpbuf, sizeof(tmpbuf),
 				"%8p %08x %c%c%c %5d %c%c%c\n",
@@ -120,7 +120,7 @@ static ssize_t queue_dbg_read(struct file *file, char __user *buf,
 		nbytes -= len;
 		buf += len;
 	}
-	mutex_unlock(&file->f_dentry->d_inode->i_mutex);
+	mutex_unlock(&file_inode(file)->i_mutex);
 
 	return actual;
 }
@@ -168,13 +168,13 @@ out:
 static ssize_t regs_dbg_read(struct file *file, char __user *buf,
 		size_t nbytes, loff_t *ppos)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int ret;
 
 	mutex_lock(&inode->i_mutex);
 	ret = simple_read_from_buffer(buf, nbytes, ppos,
 			file->private_data,
-			file->f_dentry->d_inode->i_size);
+			file_inode(file)->i_size);
 	mutex_unlock(&inode->i_mutex);
 
 	return ret;
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index fc5c16ca5e0..97666e8b1b9 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -978,7 +978,7 @@ static int do_synchronize_cache(struct fsg_common *common)
 static void invalidate_sub(struct fsg_lun *curlun)
 {
 	struct file	*filp = curlun->filp;
-	struct inode	*inode = filp->f_path.dentry->d_inode;
+	struct inode	*inode = file_inode(filp);
 	unsigned long	rc;
 
 	rc = invalidate_mapping_pages(inode->i_mapping, 0, -1);
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 35bcc83d1e0..bf7a56b6d48 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -688,7 +688,7 @@ static int
 printer_fsync(struct file *fd, loff_t start, loff_t end, int datasync)
 {
 	struct printer_dev	*dev = fd->private_data;
-	struct inode *inode = fd->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(fd);
 	unsigned long		flags;
 	int			tx_list_empty;
 
diff --git a/drivers/usb/gadget/rndis.c b/drivers/usb/gadget/rndis.c
index e4192b887de..d9297eebbf7 100644
--- a/drivers/usb/gadget/rndis.c
+++ b/drivers/usb/gadget/rndis.c
@@ -1065,7 +1065,7 @@ static int rndis_proc_show(struct seq_file *m, void *v)
 static ssize_t rndis_proc_write(struct file *file, const char __user *buffer,
 				size_t count, loff_t *ppos)
 {
-	rndis_params *p = PDE(file->f_path.dentry->d_inode)->data;
+	rndis_params *p = PDE(file_inode(file))->data;
 	u32 speed = 0;
 	int i, fl_speed = 0;
 
diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c
index 4ecbf8496f4..dbce3a9074e 100644
--- a/drivers/usb/gadget/storage_common.c
+++ b/drivers/usb/gadget/storage_common.c
@@ -440,7 +440,7 @@ static int fsg_lun_open(struct fsg_lun *curlun, const char *filename)
 	if (!(filp->f_mode & FMODE_WRITE))
 		ro = 1;
 
-	inode = filp->f_path.dentry->d_inode;
+	inode = file_inode(filp);
 	if ((!S_ISREG(inode->i_mode) && !S_ISBLK(inode->i_mode))) {
 		LINFO(curlun, "invalid file type: %s\n", filename);
 		goto out;
diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c
index 88cad6b8b47..900aa4ecd61 100644
--- a/drivers/video/fb_defio.c
+++ b/drivers/video/fb_defio.c
@@ -69,7 +69,7 @@ static int fb_deferred_io_fault(struct vm_area_struct *vma,
 int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 {
 	struct fb_info *info = file->private_data;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int err = filemap_write_and_wait_range(inode->i_mapping, start, end);
 	if (err)
 		return err;
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index dc61c12ecf8..7c254084b6a 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -727,7 +727,7 @@ static const struct file_operations fb_proc_fops = {
  */
 static struct fb_info *file_fb_info(struct file *file)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int fbidx = iminor(inode);
 	struct fb_info *info = registered_fb[fbidx];
 
diff --git a/drivers/video/msm/mdp.c b/drivers/video/msm/mdp.c
index f2566c19e71..113c7876c85 100644
--- a/drivers/video/msm/mdp.c
+++ b/drivers/video/msm/mdp.c
@@ -261,7 +261,7 @@ int get_img(struct mdp_img *img, struct fb_info *info,
 	if (f.file == NULL)
 		return -1;
 
-	if (MAJOR(f.file->f_dentry->d_inode->i_rdev) == FB_MAJOR) {
+	if (MAJOR(file_inode(f.file)->i_rdev) == FB_MAJOR) {
 		*start = info->fix.smem_start;
 		*len = info->fix.smem_len;
 	} else
diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c
index 11d55ce5ca8..70387582843 100644
--- a/drivers/watchdog/cpwd.c
+++ b/drivers/watchdog/cpwd.c
@@ -411,7 +411,7 @@ static long cpwd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		.identity		= DRIVER_NAME,
 	};
 	void __user *argp = (void __user *)arg;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int index = iminor(inode) - WD0_MINOR;
 	struct cpwd *p = cpwd_device;
 	int setopt = 0;
@@ -499,7 +499,7 @@ static long cpwd_compat_ioctl(struct file *file, unsigned int cmd,
 static ssize_t cpwd_write(struct file *file, const char __user *buf,
 			  size_t count, loff_t *ppos)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct cpwd *p = cpwd_device;
 	int index = iminor(inode);
 
diff --git a/drivers/xen/xenfs/super.c b/drivers/xen/xenfs/super.c
index 459b9ac45cf..ec0abb6df3c 100644
--- a/drivers/xen/xenfs/super.c
+++ b/drivers/xen/xenfs/super.c
@@ -24,47 +24,6 @@
 MODULE_DESCRIPTION("Xen filesystem");
 MODULE_LICENSE("GPL");
 
-static struct inode *xenfs_make_inode(struct super_block *sb, int mode)
-{
-	struct inode *ret = new_inode(sb);
-
-	if (ret) {
-		ret->i_mode = mode;
-		ret->i_uid = GLOBAL_ROOT_UID;
-		ret->i_gid = GLOBAL_ROOT_GID;
-		ret->i_blocks = 0;
-		ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME;
-	}
-	return ret;
-}
-
-static struct dentry *xenfs_create_file(struct super_block *sb,
-					struct dentry *parent,
-					const char *name,
-					const struct file_operations *fops,
-					void *data,
-					int mode)
-{
-	struct dentry *dentry;
-	struct inode *inode;
-
-	dentry = d_alloc_name(parent, name);
-	if (!dentry)
-		return NULL;
-
-	inode = xenfs_make_inode(sb, S_IFREG | mode);
-	if (!inode) {
-		dput(dentry);
-		return NULL;
-	}
-
-	inode->i_fop = fops;
-	inode->i_private = data;
-
-	d_add(dentry, inode);
-	return dentry;
-}
-
 static ssize_t capabilities_read(struct file *file, char __user *buf,
 				 size_t size, loff_t *off)
 {
@@ -84,26 +43,23 @@ static const struct file_operations capabilities_file_ops = {
 static int xenfs_fill_super(struct super_block *sb, void *data, int silent)
 {
 	static struct tree_descr xenfs_files[] = {
-		[1] = {},
-		{ "xenbus", &xen_xenbus_fops, S_IRUSR|S_IWUSR },
+		[2] = { "xenbus", &xen_xenbus_fops, S_IRUSR|S_IWUSR },
 		{ "capabilities", &capabilities_file_ops, S_IRUGO },
 		{ "privcmd", &xen_privcmd_fops, S_IRUSR|S_IWUSR },
 		{""},
 	};
-	int rc;
 
-	rc = simple_fill_super(sb, XENFS_SUPER_MAGIC, xenfs_files);
-	if (rc < 0)
-		return rc;
-
-	if (xen_initial_domain()) {
-		xenfs_create_file(sb, sb->s_root, "xsd_kva",
-				  &xsd_kva_file_ops, NULL, S_IRUSR|S_IWUSR);
-		xenfs_create_file(sb, sb->s_root, "xsd_port",
-				  &xsd_port_file_ops, NULL, S_IRUSR|S_IWUSR);
-	}
+	static struct tree_descr xenfs_init_files[] = {
+		[2] = { "xenbus", &xen_xenbus_fops, S_IRUSR|S_IWUSR },
+		{ "capabilities", &capabilities_file_ops, S_IRUGO },
+		{ "privcmd", &xen_privcmd_fops, S_IRUSR|S_IWUSR },
+		{ "xsd_kva", &xsd_kva_file_ops, S_IRUSR|S_IWUSR},
+		{ "xsd_port", &xsd_port_file_ops, S_IRUSR|S_IWUSR},
+		{""},
+	};
 
-	return rc;
+	return simple_fill_super(sb, XENFS_SUPER_MAGIC,
+			xen_initial_domain() ? xenfs_init_files : xenfs_files);
 }
 
 static struct dentry *xenfs_mount(struct file_system_type *fs_type,
diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c
index 988880dcee7..73b33837e12 100644
--- a/drivers/zorro/proc.c
+++ b/drivers/zorro/proc.c
@@ -22,7 +22,7 @@ static loff_t
 proc_bus_zorro_lseek(struct file *file, loff_t off, int whence)
 {
 	loff_t new = -1;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 
 	mutex_lock(&inode->i_mutex);
 	switch (whence) {
@@ -47,7 +47,7 @@ proc_bus_zorro_lseek(struct file *file, loff_t off, int whence)
 static ssize_t
 proc_bus_zorro_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos)
 {
-	struct inode *ino = file->f_path.dentry->d_inode;
+	struct inode *ino = file_inode(file);
 	struct proc_dir_entry *dp = PDE(ino);
 	struct zorro_dev *z = dp->data;
 	struct ConfigDev cd;
diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index 15b67916620..7af425f53be 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -23,6 +23,7 @@
 #include "acl.h"
 #include "v9fs.h"
 #include "v9fs_vfs.h"
+#include "fid.h"
 
 static struct posix_acl *__v9fs_get_acl(struct p9_fid *fid, char *name)
 {
@@ -113,16 +114,12 @@ struct posix_acl *v9fs_iop_get_acl(struct inode *inode, int type)
 
 }
 
-static int v9fs_set_acl(struct dentry *dentry, int type, struct posix_acl *acl)
+static int v9fs_set_acl(struct p9_fid *fid, int type, struct posix_acl *acl)
 {
 	int retval;
 	char *name;
 	size_t size;
 	void *buffer;
-	struct inode *inode = dentry->d_inode;
-
-	set_cached_acl(inode, type, acl);
-
 	if (!acl)
 		return 0;
 
@@ -144,17 +141,16 @@ static int v9fs_set_acl(struct dentry *dentry, int type, struct posix_acl *acl)
 	default:
 		BUG();
 	}
-	retval = v9fs_xattr_set(dentry, name, buffer, size, 0);
+	retval = v9fs_fid_xattr_set(fid, name, buffer, size, 0);
 err_free_out:
 	kfree(buffer);
 	return retval;
 }
 
-int v9fs_acl_chmod(struct dentry *dentry)
+int v9fs_acl_chmod(struct inode *inode, struct p9_fid *fid)
 {
 	int retval = 0;
 	struct posix_acl *acl;
-	struct inode *inode = dentry->d_inode;
 
 	if (S_ISLNK(inode->i_mode))
 		return -EOPNOTSUPP;
@@ -163,25 +159,30 @@ int v9fs_acl_chmod(struct dentry *dentry)
 		retval = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
 		if (retval)
 			return retval;
-		retval = v9fs_set_acl(dentry, ACL_TYPE_ACCESS, acl);
+		set_cached_acl(inode, ACL_TYPE_ACCESS, acl);
+		retval = v9fs_set_acl(fid, ACL_TYPE_ACCESS, acl);
 		posix_acl_release(acl);
 	}
 	return retval;
 }
 
-int v9fs_set_create_acl(struct dentry *dentry,
-			struct posix_acl **dpacl, struct posix_acl **pacl)
+int v9fs_set_create_acl(struct inode *inode, struct p9_fid *fid,
+			struct posix_acl *dacl, struct posix_acl *acl)
 {
-	if (dentry) {
-		v9fs_set_acl(dentry, ACL_TYPE_DEFAULT, *dpacl);
-		v9fs_set_acl(dentry, ACL_TYPE_ACCESS, *pacl);
-	}
-	posix_acl_release(*dpacl);
-	posix_acl_release(*pacl);
-	*dpacl = *pacl = NULL;
+	set_cached_acl(inode, ACL_TYPE_DEFAULT, dacl);
+	set_cached_acl(inode, ACL_TYPE_ACCESS, acl);
+	v9fs_set_acl(fid, ACL_TYPE_DEFAULT, dacl);
+	v9fs_set_acl(fid, ACL_TYPE_ACCESS, acl);
 	return 0;
 }
 
+void v9fs_put_acl(struct posix_acl *dacl,
+		  struct posix_acl *acl)
+{
+	posix_acl_release(dacl);
+	posix_acl_release(acl);
+}
+
 int v9fs_acl_mode(struct inode *dir, umode_t *modep,
 		  struct posix_acl **dpacl, struct posix_acl **pacl)
 {
diff --git a/fs/9p/acl.h b/fs/9p/acl.h
index 55955641196..e4f7e882272 100644
--- a/fs/9p/acl.h
+++ b/fs/9p/acl.h
@@ -17,27 +17,33 @@
 #ifdef CONFIG_9P_FS_POSIX_ACL
 extern int v9fs_get_acl(struct inode *, struct p9_fid *);
 extern struct posix_acl *v9fs_iop_get_acl(struct inode *inode, int type);
-extern int v9fs_acl_chmod(struct dentry *);
-extern int v9fs_set_create_acl(struct dentry *,
-			       struct posix_acl **, struct posix_acl **);
+extern int v9fs_acl_chmod(struct inode *, struct p9_fid *);
+extern int v9fs_set_create_acl(struct inode *, struct p9_fid *,
+			       struct posix_acl *, struct posix_acl *);
 extern int v9fs_acl_mode(struct inode *dir, umode_t *modep,
 			 struct posix_acl **dpacl, struct posix_acl **pacl);
+extern void v9fs_put_acl(struct posix_acl *dacl, struct posix_acl *acl);
 #else
 #define v9fs_iop_get_acl NULL
 static inline int v9fs_get_acl(struct inode *inode, struct p9_fid *fid)
 {
 	return 0;
 }
-static inline int v9fs_acl_chmod(struct dentry *dentry)
+static inline int v9fs_acl_chmod(struct inode *inode, struct p9_fid *fid)
 {
 	return 0;
 }
-static inline int v9fs_set_create_acl(struct dentry *dentry,
-				      struct posix_acl **dpacl,
-				      struct posix_acl **pacl)
+static inline int v9fs_set_create_acl(struct inode *inode,
+				      struct p9_fid *fid,
+				      struct posix_acl *dacl,
+				      struct posix_acl *acl)
 {
 	return 0;
 }
+static inline void v9fs_put_acl(struct posix_acl *dacl,
+				struct posix_acl *acl)
+{
+}
 static inline int v9fs_acl_mode(struct inode *dir, umode_t *modep,
 				struct posix_acl **dpacl,
 				struct posix_acl **pacl)
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
index 64600b5d052..9ad68628522 100644
--- a/fs/9p/vfs_dentry.c
+++ b/fs/9p/vfs_dentry.c
@@ -137,6 +137,7 @@ out_valid:
 
 const struct dentry_operations v9fs_cached_dentry_operations = {
 	.d_revalidate = v9fs_lookup_revalidate,
+	.d_weak_revalidate = v9fs_lookup_revalidate,
 	.d_delete = v9fs_cached_dentry_delete,
 	.d_release = v9fs_dentry_release,
 };
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index c921ac92ea4..d384a8b77ee 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -129,7 +129,7 @@ out_error:
 static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
 {
 	int res = 0;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 
 	p9_debug(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);
 
@@ -298,7 +298,7 @@ static int v9fs_file_getlock(struct file *filp, struct file_lock *fl)
 
 static int v9fs_file_lock_dotl(struct file *filp, int cmd, struct file_lock *fl)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	int ret = -ENOLCK;
 
 	p9_debug(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n",
@@ -334,7 +334,7 @@ out_err:
 static int v9fs_file_flock_dotl(struct file *filp, int cmd,
 	struct file_lock *fl)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	int ret = -ENOLCK;
 
 	p9_debug(P9_DEBUG_VFS, "filp: %p cmd:%d lock: %p name: %s\n",
@@ -525,7 +525,7 @@ v9fs_file_write(struct file *filp, const char __user * data,
 	if (!count)
 		goto out;
 
-	retval = v9fs_file_write_internal(filp->f_path.dentry->d_inode,
+	retval = v9fs_file_write_internal(file_inode(filp),
 					filp->private_data,
 					data, count, &origin, 1);
 	/* update offset on successful write */
@@ -600,7 +600,7 @@ v9fs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 	struct v9fs_inode *v9inode;
 	struct page *page = vmf->page;
 	struct file *filp = vma->vm_file;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 
 
 	p9_debug(P9_DEBUG_VFS, "page %p fid %lx\n",
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 07f409288d1..61e4fa70a6f 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -330,14 +330,14 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
 		p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", err);
 		goto error;
 	}
+	/* Now set the ACL based on the default value */
+	v9fs_set_create_acl(inode, fid, dacl, pacl);
+
 	err = v9fs_fid_add(dentry, fid);
 	if (err < 0)
 		goto error;
 	d_instantiate(dentry, inode);
 
-	/* Now set the ACL based on the default value */
-	v9fs_set_create_acl(dentry, &dacl, &pacl);
-
 	v9inode = V9FS_I(inode);
 	mutex_lock(&v9inode->v_mutex);
 	if (v9ses->cache && !v9inode->writeback_fid &&
@@ -369,6 +369,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
 #endif
 	*opened |= FILE_CREATED;
 out:
+	v9fs_put_acl(dacl, pacl);
 	dput(res);
 	return err;
 
@@ -378,7 +379,6 @@ error:
 err_clunk_old_fid:
 	if (ofid)
 		p9_client_clunk(ofid);
-	v9fs_set_create_acl(NULL, &dacl, &pacl);
 	goto out;
 }
 
@@ -435,17 +435,17 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
 	if (err < 0)
 		goto error;
 
+	fid = p9_client_walk(dfid, 1, &name, 1);
+	if (IS_ERR(fid)) {
+		err = PTR_ERR(fid);
+		p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
+			 err);
+		fid = NULL;
+		goto error;
+	}
+
 	/* instantiate inode and assign the unopened fid to the dentry */
 	if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
-		fid = p9_client_walk(dfid, 1, &name, 1);
-		if (IS_ERR(fid)) {
-			err = PTR_ERR(fid);
-			p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
-				 err);
-			fid = NULL;
-			goto error;
-		}
-
 		inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
 		if (IS_ERR(inode)) {
 			err = PTR_ERR(inode);
@@ -456,6 +456,7 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
 		err = v9fs_fid_add(dentry, fid);
 		if (err < 0)
 			goto error;
+		v9fs_set_create_acl(inode, fid, dacl, pacl);
 		d_instantiate(dentry, inode);
 		fid = NULL;
 	} else {
@@ -469,16 +470,15 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
 			err = PTR_ERR(inode);
 			goto error;
 		}
+		v9fs_set_create_acl(inode, fid, dacl, pacl);
 		d_instantiate(dentry, inode);
 	}
-	/* Now set the ACL based on the default value */
-	v9fs_set_create_acl(dentry, &dacl, &pacl);
 	inc_nlink(dir);
 	v9fs_invalidate_inode_attr(dir);
 error:
 	if (fid)
 		p9_client_clunk(fid);
-	v9fs_set_create_acl(NULL, &dacl, &pacl);
+	v9fs_put_acl(dacl, pacl);
 	return err;
 }
 
@@ -572,10 +572,11 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
 	struct v9fs_session_info *v9ses;
 	struct p9_fid *fid;
 	struct p9_iattr_dotl p9attr;
+	struct inode *inode = dentry->d_inode;
 
 	p9_debug(P9_DEBUG_VFS, "\n");
 
-	retval = inode_change_ok(dentry->d_inode, iattr);
+	retval = inode_change_ok(inode, iattr);
 	if (retval)
 		return retval;
 
@@ -596,23 +597,23 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
 		return PTR_ERR(fid);
 
 	/* Write all dirty data */
-	if (S_ISREG(dentry->d_inode->i_mode))
-		filemap_write_and_wait(dentry->d_inode->i_mapping);
+	if (S_ISREG(inode->i_mode))
+		filemap_write_and_wait(inode->i_mapping);
 
 	retval = p9_client_setattr(fid, &p9attr);
 	if (retval < 0)
 		return retval;
 
 	if ((iattr->ia_valid & ATTR_SIZE) &&
-	    iattr->ia_size != i_size_read(dentry->d_inode))
-		truncate_setsize(dentry->d_inode, iattr->ia_size);
+	    iattr->ia_size != i_size_read(inode))
+		truncate_setsize(inode, iattr->ia_size);
 
-	v9fs_invalidate_inode_attr(dentry->d_inode);
-	setattr_copy(dentry->d_inode, iattr);
-	mark_inode_dirty(dentry->d_inode);
+	v9fs_invalidate_inode_attr(inode);
+	setattr_copy(inode, iattr);
+	mark_inode_dirty(inode);
 	if (iattr->ia_valid & ATTR_MODE) {
 		/* We also want to update ACL when we update mode bits */
-		retval = v9fs_acl_chmod(dentry);
+		retval = v9fs_acl_chmod(inode, fid);
 		if (retval < 0)
 			return retval;
 	}
@@ -880,17 +881,17 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,
 		goto error;
 
 	v9fs_invalidate_inode_attr(dir);
+	fid = p9_client_walk(dfid, 1, &name, 1);
+	if (IS_ERR(fid)) {
+		err = PTR_ERR(fid);
+		p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
+			 err);
+		fid = NULL;
+		goto error;
+	}
+
 	/* instantiate inode and assign the unopened fid to the dentry */
 	if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) {
-		fid = p9_client_walk(dfid, 1, &name, 1);
-		if (IS_ERR(fid)) {
-			err = PTR_ERR(fid);
-			p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
-				 err);
-			fid = NULL;
-			goto error;
-		}
-
 		inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
 		if (IS_ERR(inode)) {
 			err = PTR_ERR(inode);
@@ -898,6 +899,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,
 				 err);
 			goto error;
 		}
+		v9fs_set_create_acl(inode, fid, dacl, pacl);
 		err = v9fs_fid_add(dentry, fid);
 		if (err < 0)
 			goto error;
@@ -913,14 +915,13 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,
 			err = PTR_ERR(inode);
 			goto error;
 		}
+		v9fs_set_create_acl(inode, fid, dacl, pacl);
 		d_instantiate(dentry, inode);
 	}
-	/* Now set the ACL based on the default value */
-	v9fs_set_create_acl(dentry, &dacl, &pacl);
 error:
 	if (fid)
 		p9_client_clunk(fid);
-	v9fs_set_create_acl(NULL, &dacl, &pacl);
+	v9fs_put_acl(dacl, pacl);
 	return err;
 }
 
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 137d5039689..91dad63e5a2 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -363,5 +363,5 @@ struct file_system_type v9fs_fs_type = {
 	.mount = v9fs_mount,
 	.kill_sb = v9fs_kill_super,
 	.owner = THIS_MODULE,
-	.fs_flags = FS_RENAME_DOES_D_MOVE|FS_REVAL_DOT,
+	.fs_flags = FS_RENAME_DOES_D_MOVE,
 };
diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c
index 29653b70a9c..c45e016b190 100644
--- a/fs/9p/xattr.c
+++ b/fs/9p/xattr.c
@@ -111,19 +111,26 @@ ssize_t v9fs_xattr_get(struct dentry *dentry, const char *name,
 int v9fs_xattr_set(struct dentry *dentry, const char *name,
 		   const void *value, size_t value_len, int flags)
 {
+	struct p9_fid *fid = v9fs_fid_lookup(dentry);
+	if (IS_ERR(fid))
+		return PTR_ERR(fid);
+	return v9fs_fid_xattr_set(fid, name, value, value_len, flags);
+}
+
+int v9fs_fid_xattr_set(struct p9_fid *fid, const char *name,
+		   const void *value, size_t value_len, int flags)
+{
 	u64 offset = 0;
 	int retval, msize, write_count;
-	struct p9_fid *fid = NULL;
 
 	p9_debug(P9_DEBUG_VFS, "name = %s value_len = %zu flags = %d\n",
 		 name, value_len, flags);
 
-	fid = v9fs_fid_clone(dentry);
-	if (IS_ERR(fid)) {
-		retval = PTR_ERR(fid);
-		fid = NULL;
-		goto error;
-	}
+	/* Clone it */
+	fid = p9_client_walk(fid, 0, NULL, 1);
+	if (IS_ERR(fid))
+		return PTR_ERR(fid);
+
 	/*
 	 * On success fid points to xattr
 	 */
@@ -131,7 +138,8 @@ int v9fs_xattr_set(struct dentry *dentry, const char *name,
 	if (retval < 0) {
 		p9_debug(P9_DEBUG_VFS, "p9_client_xattrcreate failed %d\n",
 			 retval);
-		goto error;
+		p9_client_clunk(fid);
+		return retval;
 	}
 	msize = fid->clnt->msize;
 	while (value_len) {
@@ -144,17 +152,12 @@ int v9fs_xattr_set(struct dentry *dentry, const char *name,
 		if (write_count < 0) {
 			/* error in xattr write */
 			retval = write_count;
-			goto error;
+			break;
 		}
 		offset += write_count;
 		value_len -= write_count;
 	}
-	/* Total read xattr bytes */
-	retval = offset;
-error:
-	if (fid)
-		retval = p9_client_clunk(fid);
-	return retval;
+	return p9_client_clunk(fid);
 }
 
 ssize_t v9fs_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
diff --git a/fs/9p/xattr.h b/fs/9p/xattr.h
index eaa837c53bd..eec348a3df7 100644
--- a/fs/9p/xattr.h
+++ b/fs/9p/xattr.h
@@ -27,6 +27,8 @@ extern ssize_t v9fs_fid_xattr_get(struct p9_fid *, const char *,
 				  void *, size_t);
 extern ssize_t v9fs_xattr_get(struct dentry *, const char *,
 			      void *, size_t);
+extern int v9fs_fid_xattr_set(struct p9_fid *, const char *,
+			  const void *, size_t, int);
 extern int v9fs_xattr_set(struct dentry *, const char *,
 			  const void *, size_t, int);
 extern ssize_t v9fs_listxattr(struct dentry *, char *, size_t);
diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c
index b3be2e7c564..9cf874ce833 100644
--- a/fs/adfs/dir.c
+++ b/fs/adfs/dir.c
@@ -19,7 +19,7 @@ static DEFINE_RWLOCK(adfs_dir_lock);
 static int
 adfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	struct adfs_dir_ops *ops = ADFS_SB(sb)->s_dir;
 	struct object_info obj;
diff --git a/fs/affs/dir.c b/fs/affs/dir.c
index 8ca8f3a5559..fd11a6d608e 100644
--- a/fs/affs/dir.c
+++ b/fs/affs/dir.c
@@ -42,7 +42,7 @@ const struct inode_operations affs_dir_inode_operations = {
 static int
 affs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode		*inode = filp->f_path.dentry->d_inode;
+	struct inode		*inode = file_inode(filp);
 	struct super_block	*sb = inode->i_sb;
 	struct buffer_head	*dir_bh;
 	struct buffer_head	*fh_bh;
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index db477906ba4..7a465ed0444 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -393,12 +393,12 @@ static int afs_readdir(struct file *file, void *cookie, filldir_t filldir)
 	int ret;
 
 	_enter("{%Ld,{%lu}}",
-	       file->f_pos, file->f_path.dentry->d_inode->i_ino);
+	       file->f_pos, file_inode(file)->i_ino);
 
 	ASSERT(file->private_data != NULL);
 
 	fpos = file->f_pos;
-	ret = afs_dir_iterate(file->f_path.dentry->d_inode, &fpos,
+	ret = afs_dir_iterate(file_inode(file), &fpos,
 			      cookie, filldir, file->private_data);
 	file->f_pos = fpos;
 
diff --git a/fs/afs/flock.c b/fs/afs/flock.c
index 757d664575d..2497bf306c7 100644
--- a/fs/afs/flock.c
+++ b/fs/afs/flock.c
@@ -514,7 +514,7 @@ error:
  */
 int afs_lock(struct file *file, int cmd, struct file_lock *fl)
 {
-	struct afs_vnode *vnode = AFS_FS_I(file->f_dentry->d_inode);
+	struct afs_vnode *vnode = AFS_FS_I(file_inode(file));
 
 	_enter("{%x:%u},%d,{t=%x,fl=%x,r=%Ld:%Ld}",
 	       vnode->fid.vid, vnode->fid.vnode, cmd,
@@ -537,7 +537,7 @@ int afs_lock(struct file *file, int cmd, struct file_lock *fl)
  */
 int afs_flock(struct file *file, int cmd, struct file_lock *fl)
 {
-	struct afs_vnode *vnode = AFS_FS_I(file->f_dentry->d_inode);
+	struct afs_vnode *vnode = AFS_FS_I(file_inode(file));
 
 	_enter("{%x:%u},%d,{t=%x,fl=%x}",
 	       vnode->fid.vid, vnode->fid.vnode, cmd,
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 9aa52d93c73..7e03eadb40c 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -120,7 +120,7 @@ int afs_write_begin(struct file *file, struct address_space *mapping,
 		    struct page **pagep, void **fsdata)
 {
 	struct afs_writeback *candidate, *wb;
-	struct afs_vnode *vnode = AFS_FS_I(file->f_dentry->d_inode);
+	struct afs_vnode *vnode = AFS_FS_I(file_inode(file));
 	struct page *page;
 	struct key *key = file->private_data;
 	unsigned from = pos & (PAGE_CACHE_SIZE - 1);
@@ -245,7 +245,7 @@ int afs_write_end(struct file *file, struct address_space *mapping,
 		  loff_t pos, unsigned len, unsigned copied,
 		  struct page *page, void *fsdata)
 {
-	struct afs_vnode *vnode = AFS_FS_I(file->f_dentry->d_inode);
+	struct afs_vnode *vnode = AFS_FS_I(file_inode(file));
 	loff_t i_size, maybe_i_size;
 
 	_enter("{%x:%u},{%lx}",
@@ -627,8 +627,7 @@ void afs_pages_written_back(struct afs_vnode *vnode, struct afs_call *call)
 ssize_t afs_file_write(struct kiocb *iocb, const struct iovec *iov,
 		       unsigned long nr_segs, loff_t pos)
 {
-	struct dentry *dentry = iocb->ki_filp->f_path.dentry;
-	struct afs_vnode *vnode = AFS_FS_I(dentry->d_inode);
+	struct afs_vnode *vnode = AFS_FS_I(file_inode(iocb->ki_filp));
 	ssize_t result;
 	size_t count = iov_length(iov, nr_segs);
 
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 28d39fb84ae..47a65df8c87 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -131,7 +131,6 @@ struct file *anon_inode_getfile(const char *name,
 	struct qstr this;
 	struct path path;
 	struct file *file;
-	int error;
 
 	if (IS_ERR(anon_inode_inode))
 		return ERR_PTR(-ENODEV);
@@ -143,7 +142,7 @@ struct file *anon_inode_getfile(const char *name,
 	 * Link the inode to a directory entry by creating a unique name
 	 * using the inode sequence number.
 	 */
-	error = -ENOMEM;
+	file = ERR_PTR(-ENOMEM);
 	this.name = name;
 	this.len = strlen(name);
 	this.hash = 0;
@@ -160,15 +159,12 @@ struct file *anon_inode_getfile(const char *name,
 
 	d_instantiate(path.dentry, anon_inode_inode);
 
-	error = -ENFILE;
 	file = alloc_file(&path, OPEN_FMODE(flags), fops);
-	if (!file)
+	if (IS_ERR(file))
 		goto err_dput;
 	file->f_mapping = anon_inode_inode->i_mapping;
 
-	file->f_pos = 0;
 	file->f_flags = flags & (O_ACCMODE | O_NONBLOCK);
-	file->f_version = 0;
 	file->private_data = priv;
 
 	return file;
@@ -177,7 +173,7 @@ err_dput:
 	path_put(&path);
 err_module:
 	module_put(fops->owner);
-	return ERR_PTR(error);
+	return file;
 }
 EXPORT_SYMBOL_GPL(anon_inode_getfile);
 
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index b785e770795..3f1128b37e4 100644
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -273,7 +273,7 @@ static inline int autofs_prepare_pipe(struct file *pipe)
 {
 	if (!pipe->f_op || !pipe->f_op->write)
 		return -EINVAL;
-	if (!S_ISFIFO(pipe->f_dentry->d_inode->i_mode))
+	if (!S_ISFIFO(file_inode(pipe)->i_mode))
 		return -EINVAL;
 	/* We want a packet pipe */
 	pipe->f_flags |= O_DIRECT;
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index 9f68a37bb2b..743c7c2c949 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -159,7 +159,7 @@ static struct autofs_sb_info *autofs_dev_ioctl_sbi(struct file *f)
 	struct inode *inode;
 
 	if (f) {
-		inode = f->f_path.dentry->d_inode;
+		inode = file_inode(f);
 		sbi = autofs4_sbi(inode->i_sb);
 	}
 	return sbi;
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index c93447604da..230bd2aad4f 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -587,7 +587,7 @@ static int autofs4_dir_unlink(struct inode *dir, struct dentry *dentry)
 	
 	/* This allows root to remove symlinks */
 	if (!autofs4_oz_mode(sbi) && !capable(CAP_SYS_ADMIN))
-		return -EACCES;
+		return -EPERM;
 
 	if (atomic_dec_and_test(&ino->count)) {
 		p_ino = autofs4_dentry_ino(dentry->d_parent);
@@ -874,7 +874,7 @@ static int autofs4_root_ioctl_unlocked(struct inode *inode, struct file *filp,
 static long autofs4_root_ioctl(struct file *filp,
 			       unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	return autofs4_root_ioctl_unlocked(inode, filp, cmd, arg);
 }
 
@@ -882,7 +882,7 @@ static long autofs4_root_ioctl(struct file *filp,
 static long autofs4_root_compat_ioctl(struct file *filp,
 			     unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	int ret;
 
 	if (cmd == AUTOFS_IOC_READY || cmd == AUTOFS_IOC_FAIL)
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index 2b3bda8d5e6..c8f4e25eb9e 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -213,7 +213,7 @@ befs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
 static int
 befs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	befs_data_stream *ds = &BEFS_I(inode)->i_data.ds;
 	befs_off_t value;
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index 2785ef91191..3f422f6bb5c 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -28,7 +28,7 @@ static struct buffer_head *bfs_find_entry(struct inode *dir,
 
 static int bfs_readdir(struct file *f, void *dirent, filldir_t filldir)
 {
-	struct inode *dir = f->f_path.dentry->d_inode;
+	struct inode *dir = file_inode(f);
 	struct buffer_head *bh;
 	struct bfs_dirent *de;
 	struct bfs_sb_info *info = BFS_SB(dir->i_sb);
diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
index 6043567b95c..bbc8f8827ea 100644
--- a/fs/binfmt_aout.c
+++ b/fs/binfmt_aout.c
@@ -214,7 +214,7 @@ static int load_aout_binary(struct linux_binprm * bprm)
 	if ((N_MAGIC(ex) != ZMAGIC && N_MAGIC(ex) != OMAGIC &&
 	     N_MAGIC(ex) != QMAGIC && N_MAGIC(ex) != NMAGIC) ||
 	    N_TRSIZE(ex) || N_DRSIZE(ex) ||
-	    i_size_read(bprm->file->f_path.dentry->d_inode) < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
+	    i_size_read(file_inode(bprm->file)) < ex.a_text+ex.a_data+N_SYMSIZE(ex)+N_TXTOFF(ex)) {
 		return -ENOEXEC;
 	}
 
@@ -367,7 +367,7 @@ static int load_aout_library(struct file *file)
 	int retval;
 	struct exec ex;
 
-	inode = file->f_path.dentry->d_inode;
+	inode = file_inode(file);
 
 	retval = -ENOEXEC;
 	error = kernel_read(file, 0, (char *) &ex, sizeof(ex));
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index ff9dbc630ef..a5702d74d2b 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1141,7 +1141,7 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma,
 
 	/* By default, dump shared memory if mapped from an anonymous file. */
 	if (vma->vm_flags & VM_SHARED) {
-		if (vma->vm_file->f_path.dentry->d_inode->i_nlink == 0 ?
+		if (file_inode(vma->vm_file)->i_nlink == 0 ?
 		    FILTER(ANON_SHARED) : FILTER(MAPPED_SHARED))
 			goto whole;
 		return 0;
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index cb240dd3b40..9c13e023e2b 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -909,7 +909,7 @@ static int elf_fdpic_map_file(struct elf_fdpic_params *params,
 
 dynamic_error:
 	printk("ELF FDPIC %s with invalid DYNAMIC section (inode=%lu)\n",
-	       what, file->f_path.dentry->d_inode->i_ino);
+	       what, file_inode(file)->i_ino);
 	return -ELIBBAD;
 }
 
@@ -1219,7 +1219,7 @@ static int maydump(struct vm_area_struct *vma, unsigned long mm_flags)
 
 	/* By default, dump shared memory if mapped from an anonymous file. */
 	if (vma->vm_flags & VM_SHARED) {
-		if (vma->vm_file->f_path.dentry->d_inode->i_nlink == 0) {
+		if (file_inode(vma->vm_file)->i_nlink == 0) {
 			dump_ok = test_bit(MMF_DUMP_ANON_SHARED, &mm_flags);
 			kdcore("%08lx: %08lx: %s (share)", vma->vm_start,
 			       vma->vm_flags, dump_ok ? "yes" : "no");
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index b56371981d1..2036d21baae 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -438,7 +438,7 @@ static int load_flat_file(struct linux_binprm * bprm,
 	int ret;
 
 	hdr = ((struct flat_hdr *) bprm->buf);		/* exec-header */
-	inode = bprm->file->f_path.dentry->d_inode;
+	inode = file_inode(bprm->file);
 
 	text_len  = ntohl(hdr->data_start);
 	data_len  = ntohl(hdr->data_end) - ntohl(hdr->data_start);
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 0c8869fdd14..fecbbf3f8ff 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -531,7 +531,7 @@ static void kill_node(Node *e)
 static ssize_t
 bm_entry_read(struct file * file, char __user * buf, size_t nbytes, loff_t *ppos)
 {
-	Node *e = file->f_path.dentry->d_inode->i_private;
+	Node *e = file_inode(file)->i_private;
 	ssize_t res;
 	char *page;
 
@@ -550,7 +550,7 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer,
 				size_t count, loff_t *ppos)
 {
 	struct dentry *root;
-	Node *e = file->f_path.dentry->d_inode->i_private;
+	Node *e = file_inode(file)->i_private;
 	int res = parse_command(buffer, count);
 
 	switch (res) {
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 78333a37f49..53f5fae5cfb 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -318,7 +318,7 @@ static int blkdev_write_end(struct file *file, struct address_space *mapping,
 
 /*
  * private llseek:
- * for a block special file file->f_path.dentry->d_inode->i_size is zero
+ * for a block special file file_inode(file)->i_size is zero
  * so we compute the size by hand (just as in block_read/write above)
  */
 static loff_t block_llseek(struct file *file, loff_t offset, int whence)
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index 614f34a899c..81ee29eeb7c 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -22,10 +22,10 @@ static int btrfs_encode_fh(struct inode *inode, u32 *fh, int *max_len,
 
 	if (parent && (len < BTRFS_FID_SIZE_CONNECTABLE)) {
 		*max_len = BTRFS_FID_SIZE_CONNECTABLE;
-		return 255;
+		return FILEID_INVALID;
 	} else if (len < BTRFS_FID_SIZE_NON_CONNECTABLE) {
 		*max_len = BTRFS_FID_SIZE_NON_CONNECTABLE;
-		return 255;
+		return FILEID_INVALID;
 	}
 
 	len  = BTRFS_FID_SIZE_NON_CONNECTABLE;
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index aeb84469d2c..4b241fe9d2f 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1225,7 +1225,7 @@ static noinline int prepare_pages(struct btrfs_root *root, struct file *file,
 	struct extent_state *cached_state = NULL;
 	int i;
 	unsigned long index = pos >> PAGE_CACHE_SHIFT;
-	struct inode *inode = fdentry(file)->d_inode;
+	struct inode *inode = file_inode(file);
 	gfp_t mask = btrfs_alloc_write_mask(inode->i_mapping);
 	int err = 0;
 	int faili = 0;
@@ -1312,7 +1312,7 @@ static noinline ssize_t __btrfs_buffered_write(struct file *file,
 					       struct iov_iter *i,
 					       loff_t pos)
 {
-	struct inode *inode = fdentry(file)->d_inode;
+	struct inode *inode = file_inode(file);
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct page **pages = NULL;
 	unsigned long first_index;
@@ -1500,7 +1500,7 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb,
 				    unsigned long nr_segs, loff_t pos)
 {
 	struct file *file = iocb->ki_filp;
-	struct inode *inode = fdentry(file)->d_inode;
+	struct inode *inode = file_inode(file);
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	loff_t *ppos = &iocb->ki_pos;
 	u64 start_pos;
@@ -2102,7 +2102,7 @@ out:
 static long btrfs_fallocate(struct file *file, int mode,
 			    loff_t offset, loff_t len)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct extent_state *cached_state = NULL;
 	u64 cur_offset;
 	u64 last_byte;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index cc93b23ca35..55c07b65037 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4391,7 +4391,7 @@ unsigned char btrfs_filetype_table[] = {
 static int btrfs_real_readdir(struct file *filp, void *dirent,
 			      filldir_t filldir)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_item *item;
 	struct btrfs_dir_item *di;
@@ -6791,7 +6791,7 @@ static void btrfs_invalidatepage(struct page *page, unsigned long offset)
 int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
 	struct page *page = vmf->page;
-	struct inode *inode = fdentry(vma->vm_file)->d_inode;
+	struct inode *inode = file_inode(vma->vm_file);
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
 	struct btrfs_ordered_extent *ordered;
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 338f2597bf7..c3f09f71bed 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -152,7 +152,7 @@ void btrfs_inherit_iflags(struct inode *inode, struct inode *dir)
 
 static int btrfs_ioctl_getflags(struct file *file, void __user *arg)
 {
-	struct btrfs_inode *ip = BTRFS_I(file->f_path.dentry->d_inode);
+	struct btrfs_inode *ip = BTRFS_I(file_inode(file));
 	unsigned int flags = btrfs_flags_to_ioctl(ip->flags);
 
 	if (copy_to_user(arg, &flags, sizeof(flags)))
@@ -177,7 +177,7 @@ static int check_flags(unsigned int flags)
 
 static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct btrfs_inode *ip = BTRFS_I(inode);
 	struct btrfs_root *root = ip->root;
 	struct btrfs_trans_handle *trans;
@@ -310,7 +310,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
 
 static int btrfs_ioctl_getversion(struct file *file, int __user *arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 
 	return put_user(inode->i_generation, arg);
 }
@@ -1320,7 +1320,7 @@ static noinline int btrfs_ioctl_resize(struct file *file,
 	u64 new_size;
 	u64 old_size;
 	u64 devid = 1;
-	struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+	struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
 	struct btrfs_ioctl_vol_args *vol_args;
 	struct btrfs_trans_handle *trans;
 	struct btrfs_device *device = NULL;
@@ -1489,8 +1489,8 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file,
 			goto out_drop_write;
 		}
 
-		src_inode = src.file->f_path.dentry->d_inode;
-		if (src_inode->i_sb != file->f_path.dentry->d_inode->i_sb) {
+		src_inode = file_inode(src.file);
+		if (src_inode->i_sb != file_inode(file)->i_sb) {
 			printk(KERN_INFO "btrfs: Snapshot src from "
 			       "another FS\n");
 			ret = -EINVAL;
@@ -1582,7 +1582,7 @@ out:
 static noinline int btrfs_ioctl_subvol_getflags(struct file *file,
 						void __user *arg)
 {
-	struct inode *inode = fdentry(file)->d_inode;
+	struct inode *inode = file_inode(file);
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	int ret = 0;
 	u64 flags = 0;
@@ -1604,7 +1604,7 @@ static noinline int btrfs_ioctl_subvol_getflags(struct file *file,
 static noinline int btrfs_ioctl_subvol_setflags(struct file *file,
 					      void __user *arg)
 {
-	struct inode *inode = fdentry(file)->d_inode;
+	struct inode *inode = file_inode(file);
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_trans_handle *trans;
 	u64 root_flags;
@@ -1898,7 +1898,7 @@ static noinline int btrfs_ioctl_tree_search(struct file *file,
 	if (IS_ERR(args))
 		return PTR_ERR(args);
 
-	inode = fdentry(file)->d_inode;
+	inode = file_inode(file);
 	ret = search_ioctl(inode, args);
 	if (ret == 0 && copy_to_user(argp, args, sizeof(*args)))
 		ret = -EFAULT;
@@ -2008,7 +2008,7 @@ static noinline int btrfs_ioctl_ino_lookup(struct file *file,
 	if (IS_ERR(args))
 		return PTR_ERR(args);
 
-	inode = fdentry(file)->d_inode;
+	inode = file_inode(file);
 
 	if (args->treeid == 0)
 		args->treeid = BTRFS_I(inode)->root->root_key.objectid;
@@ -2184,7 +2184,7 @@ out:
 
 static int btrfs_ioctl_defrag(struct file *file, void __user *argp)
 {
-	struct inode *inode = fdentry(file)->d_inode;
+	struct inode *inode = file_inode(file);
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_ioctl_defrag_range_args *range;
 	int ret;
@@ -2244,7 +2244,7 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp)
 			/* the rest are all set to zero by kzalloc */
 			range->len = (u64)-1;
 		}
-		ret = btrfs_defrag_file(fdentry(file)->d_inode, file,
+		ret = btrfs_defrag_file(file_inode(file), file,
 					range, 0, 0);
 		if (ret > 0)
 			ret = 0;
@@ -2292,7 +2292,7 @@ out:
 
 static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg)
 {
-	struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+	struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
 	struct btrfs_ioctl_vol_args *vol_args;
 	int ret;
 
@@ -2415,7 +2415,7 @@ out:
 static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
 				       u64 off, u64 olen, u64 destoff)
 {
-	struct inode *inode = fdentry(file)->d_inode;
+	struct inode *inode = file_inode(file);
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct fd src_file;
 	struct inode *src;
@@ -2461,7 +2461,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
 	if (src_file.file->f_path.mnt != file->f_path.mnt)
 		goto out_fput;
 
-	src = src_file.file->f_dentry->d_inode;
+	src = file_inode(src_file.file);
 
 	ret = -EINVAL;
 	if (src == inode)
@@ -2823,7 +2823,7 @@ static long btrfs_ioctl_clone_range(struct file *file, void __user *argp)
  */
 static long btrfs_ioctl_trans_start(struct file *file)
 {
-	struct inode *inode = fdentry(file)->d_inode;
+	struct inode *inode = file_inode(file);
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_trans_handle *trans;
 	int ret;
@@ -2863,7 +2863,7 @@ out:
 
 static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp)
 {
-	struct inode *inode = fdentry(file)->d_inode;
+	struct inode *inode = file_inode(file);
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_root *new_root;
 	struct btrfs_dir_item *di;
@@ -3087,7 +3087,7 @@ out:
  */
 long btrfs_ioctl_trans_end(struct file *file)
 {
-	struct inode *inode = fdentry(file)->d_inode;
+	struct inode *inode = file_inode(file);
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_trans_handle *trans;
 
@@ -3149,7 +3149,7 @@ static noinline long btrfs_ioctl_wait_sync(struct btrfs_root *root,
 
 static long btrfs_ioctl_scrub(struct file *file, void __user *arg)
 {
-	struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+	struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
 	struct btrfs_ioctl_scrub_args *sa;
 	int ret;
 
@@ -3440,7 +3440,7 @@ void update_ioctl_balance_args(struct btrfs_fs_info *fs_info, int lock,
 
 static long btrfs_ioctl_balance(struct file *file, void __user *arg)
 {
-	struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+	struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
 	struct btrfs_fs_info *fs_info = root->fs_info;
 	struct btrfs_ioctl_balance_args *bargs;
 	struct btrfs_balance_control *bctl;
@@ -3630,7 +3630,7 @@ out:
 
 static long btrfs_ioctl_quota_ctl(struct file *file, void __user *arg)
 {
-	struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+	struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
 	struct btrfs_ioctl_quota_ctl_args *sa;
 	struct btrfs_trans_handle *trans = NULL;
 	int ret;
@@ -3689,7 +3689,7 @@ drop_write:
 
 static long btrfs_ioctl_qgroup_assign(struct file *file, void __user *arg)
 {
-	struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+	struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
 	struct btrfs_ioctl_qgroup_assign_args *sa;
 	struct btrfs_trans_handle *trans;
 	int ret;
@@ -3736,7 +3736,7 @@ drop_write:
 
 static long btrfs_ioctl_qgroup_create(struct file *file, void __user *arg)
 {
-	struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+	struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
 	struct btrfs_ioctl_qgroup_create_args *sa;
 	struct btrfs_trans_handle *trans;
 	int ret;
@@ -3787,7 +3787,7 @@ drop_write:
 
 static long btrfs_ioctl_qgroup_limit(struct file *file, void __user *arg)
 {
-	struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+	struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
 	struct btrfs_ioctl_qgroup_limit_args *sa;
 	struct btrfs_trans_handle *trans;
 	int ret;
@@ -3837,7 +3837,7 @@ static long btrfs_ioctl_set_received_subvol(struct file *file,
 					    void __user *arg)
 {
 	struct btrfs_ioctl_received_subvol_args *sa = NULL;
-	struct inode *inode = fdentry(file)->d_inode;
+	struct inode *inode = file_inode(file);
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_root_item *root_item = &root->root_item;
 	struct btrfs_trans_handle *trans;
@@ -3917,7 +3917,7 @@ out:
 long btrfs_ioctl(struct file *file, unsigned int
 		cmd, unsigned long arg)
 {
-	struct btrfs_root *root = BTRFS_I(fdentry(file)->d_inode)->root;
+	struct btrfs_root *root = BTRFS_I(file_inode(file))->root;
 	void __user *argp = (void __user *)arg;
 
 	switch (cmd) {
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 321b7fb4e44..f4ab7a9260e 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -4544,7 +4544,7 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_)
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
-	send_root = BTRFS_I(fdentry(mnt_file)->d_inode)->root;
+	send_root = BTRFS_I(file_inode(mnt_file))->root;
 	fs_info = send_root->fs_info;
 
 	arg = memdup_user(arg_, sizeof(*arg));
diff --git a/fs/buffer.c b/fs/buffer.c
index 62169c192c2..8e18281b407 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2332,7 +2332,7 @@ int __block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
 			 get_block_t get_block)
 {
 	struct page *page = vmf->page;
-	struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(vma->vm_file);
 	unsigned long end;
 	loff_t size;
 	int ret;
@@ -2371,7 +2371,7 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
 		   get_block_t get_block)
 {
 	int ret;
-	struct super_block *sb = vma->vm_file->f_path.dentry->d_inode->i_sb;
+	struct super_block *sb = file_inode(vma->vm_file)->i_sb;
 
 	sb_start_pagefault(sb);
 
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 064d1a68d2c..d4f81edd9a5 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -195,7 +195,7 @@ static int ceph_releasepage(struct page *page, gfp_t g)
  */
 static int readpage_nounlock(struct file *filp, struct page *page)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_osd_client *osdc = 
 		&ceph_inode_to_client(inode)->client->osdc;
@@ -370,7 +370,7 @@ out:
 static int ceph_readpages(struct file *file, struct address_space *mapping,
 			  struct list_head *page_list, unsigned nr_pages)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
 	int rc = 0;
 	int max = 0;
@@ -977,7 +977,7 @@ static int ceph_update_writeable_page(struct file *file,
 			    loff_t pos, unsigned len,
 			    struct page *page)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
 	loff_t page_off = pos & PAGE_CACHE_MASK;
@@ -1086,7 +1086,7 @@ static int ceph_write_begin(struct file *file, struct address_space *mapping,
 			    loff_t pos, unsigned len, unsigned flags,
 			    struct page **pagep, void **fsdata)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_file_info *fi = file->private_data;
 	struct page *page;
@@ -1144,7 +1144,7 @@ static int ceph_write_end(struct file *file, struct address_space *mapping,
 			  loff_t pos, unsigned len, unsigned copied,
 			  struct page *page, void *fsdata)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
 	struct ceph_mds_client *mdsc = fsc->mdsc;
@@ -1228,7 +1228,7 @@ const struct address_space_operations ceph_aops = {
  */
 static int ceph_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
-	struct inode *inode = vma->vm_file->f_dentry->d_inode;
+	struct inode *inode = file_inode(vma->vm_file);
 	struct page *page = vmf->page;
 	struct ceph_mds_client *mdsc = ceph_inode_to_client(inode)->mdsc;
 	loff_t off = page_offset(page);
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index 8c1aabe93b6..6d797f46d77 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -238,7 +238,7 @@ static int note_last_dentry(struct ceph_file_info *fi, const char *name,
 static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
 	struct ceph_file_info *fi = filp->private_data;
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
 	struct ceph_mds_client *mdsc = fsc->mdsc;
@@ -1138,7 +1138,7 @@ static ssize_t ceph_read_dir(struct file *file, char __user *buf, size_t size,
 			     loff_t *ppos)
 {
 	struct ceph_file_info *cf = file->private_data;
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	int left;
 	const int bufsize = 1024;
@@ -1188,7 +1188,7 @@ static ssize_t ceph_read_dir(struct file *file, char __user *buf, size_t size,
 static int ceph_dir_fsync(struct file *file, loff_t start, loff_t end,
 			  int datasync)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct list_head *head = &ci->i_unsafe_dirops;
 	struct ceph_mds_request *req;
diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index ca3ab3f9ca7..16796be53ca 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -81,7 +81,7 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len,
 		if (parent_inode) {
 			/* nfsd wants connectable */
 			*max_len = connected_handle_length;
-			type = 255;
+			type = FILEID_INVALID;
 		} else {
 			dout("encode_fh %p\n", dentry);
 			fh->ino = ceph_ino(inode);
@@ -90,7 +90,7 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len,
 		}
 	} else {
 		*max_len = handle_length;
-		type = 255;
+		type = FILEID_INVALID;
 	}
 	if (dentry)
 		dput(dentry);
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index e51558fca3a..11b57c2c8f1 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -393,7 +393,7 @@ more:
 static ssize_t ceph_sync_read(struct file *file, char __user *data,
 			      unsigned len, loff_t *poff, int *checkeof)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct page **pages;
 	u64 off = *poff;
 	int num_pages, ret;
@@ -466,7 +466,7 @@ static void sync_write_commit(struct ceph_osd_request *req,
 static ssize_t ceph_sync_write(struct file *file, const char __user *data,
 			       size_t left, loff_t *offset)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_fs_client *fsc = ceph_inode_to_client(inode);
 	struct ceph_osd_request *req;
@@ -483,7 +483,7 @@ static ssize_t ceph_sync_write(struct file *file, const char __user *data,
 	int ret;
 	struct timespec mtime = CURRENT_TIME;
 
-	if (ceph_snap(file->f_dentry->d_inode) != CEPH_NOSNAP)
+	if (ceph_snap(file_inode(file)) != CEPH_NOSNAP)
 		return -EROFS;
 
 	dout("sync_write on file %p %lld~%u %s\n", file, *offset,
@@ -637,7 +637,7 @@ static ssize_t ceph_aio_read(struct kiocb *iocb, const struct iovec *iov,
 	struct ceph_file_info *fi = filp->private_data;
 	loff_t *ppos = &iocb->ki_pos;
 	size_t len = iov->iov_len;
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	void __user *base = iov->iov_base;
 	ssize_t ret;
@@ -707,7 +707,7 @@ static ssize_t ceph_aio_write(struct kiocb *iocb, const struct iovec *iov,
 {
 	struct file *file = iocb->ki_filp;
 	struct ceph_file_info *fi = file->private_data;
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_osd_client *osdc =
 		&ceph_sb_to_client(inode->i_sb)->client->osdc;
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index d45895f4a04..851814d951c 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1131,8 +1131,8 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
 					    req->r_request_started);
 		dout(" final dn %p\n", dn);
 		i++;
-	} else if (req->r_op == CEPH_MDS_OP_LOOKUPSNAP ||
-		   req->r_op == CEPH_MDS_OP_MKSNAP) {
+	} else if ((req->r_op == CEPH_MDS_OP_LOOKUPSNAP ||
+		   req->r_op == CEPH_MDS_OP_MKSNAP) && !req->r_aborted) {
 		struct dentry *dn = req->r_dentry;
 
 		/* fill out a snapdir LOOKUPSNAP dentry */
@@ -1196,6 +1196,39 @@ done:
 /*
  * Prepopulate our cache with readdir results, leases, etc.
  */
+static int readdir_prepopulate_inodes_only(struct ceph_mds_request *req,
+					   struct ceph_mds_session *session)
+{
+	struct ceph_mds_reply_info_parsed *rinfo = &req->r_reply_info;
+	int i, err = 0;
+
+	for (i = 0; i < rinfo->dir_nr; i++) {
+		struct ceph_vino vino;
+		struct inode *in;
+		int rc;
+
+		vino.ino = le64_to_cpu(rinfo->dir_in[i].in->ino);
+		vino.snap = le64_to_cpu(rinfo->dir_in[i].in->snapid);
+
+		in = ceph_get_inode(req->r_dentry->d_sb, vino);
+		if (IS_ERR(in)) {
+			err = PTR_ERR(in);
+			dout("new_inode badness got %d\n", err);
+			continue;
+		}
+		rc = fill_inode(in, &rinfo->dir_in[i], NULL, session,
+				req->r_request_started, -1,
+				&req->r_caps_reservation);
+		if (rc < 0) {
+			pr_err("fill_inode badness on %p got %d\n", in, rc);
+			err = rc;
+			continue;
+		}
+	}
+
+	return err;
+}
+
 int ceph_readdir_prepopulate(struct ceph_mds_request *req,
 			     struct ceph_mds_session *session)
 {
@@ -1210,6 +1243,9 @@ int ceph_readdir_prepopulate(struct ceph_mds_request *req,
 	u64 frag = le32_to_cpu(rhead->args.readdir.frag);
 	struct ceph_dentry_info *di;
 
+	if (req->r_aborted)
+		return readdir_prepopulate_inodes_only(req, session);
+
 	if (le32_to_cpu(rinfo->head->op) == CEPH_MDS_OP_LSSNAP) {
 		snapdir = ceph_get_snapdir(parent->d_inode);
 		parent = d_find_alias(snapdir);
diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c
index 36549a46e31..f5ed767806d 100644
--- a/fs/ceph/ioctl.c
+++ b/fs/ceph/ioctl.c
@@ -16,11 +16,11 @@
  */
 static long ceph_ioctl_get_layout(struct file *file, void __user *arg)
 {
-	struct ceph_inode_info *ci = ceph_inode(file->f_dentry->d_inode);
+	struct ceph_inode_info *ci = ceph_inode(file_inode(file));
 	struct ceph_ioctl_layout l;
 	int err;
 
-	err = ceph_do_getattr(file->f_dentry->d_inode, CEPH_STAT_CAP_LAYOUT);
+	err = ceph_do_getattr(file_inode(file), CEPH_STAT_CAP_LAYOUT);
 	if (!err) {
 		l.stripe_unit = ceph_file_layout_su(ci->i_layout);
 		l.stripe_count = ceph_file_layout_stripe_count(ci->i_layout);
@@ -63,12 +63,12 @@ static long __validate_layout(struct ceph_mds_client *mdsc,
 
 static long ceph_ioctl_set_layout(struct file *file, void __user *arg)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct inode *parent_inode;
 	struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
 	struct ceph_mds_request *req;
 	struct ceph_ioctl_layout l;
-	struct ceph_inode_info *ci = ceph_inode(file->f_dentry->d_inode);
+	struct ceph_inode_info *ci = ceph_inode(file_inode(file));
 	struct ceph_ioctl_layout nl;
 	int err;
 
@@ -76,7 +76,7 @@ static long ceph_ioctl_set_layout(struct file *file, void __user *arg)
 		return -EFAULT;
 
 	/* validate changed params against current layout */
-	err = ceph_do_getattr(file->f_dentry->d_inode, CEPH_STAT_CAP_LAYOUT);
+	err = ceph_do_getattr(file_inode(file), CEPH_STAT_CAP_LAYOUT);
 	if (err)
 		return err;
 
@@ -136,7 +136,7 @@ static long ceph_ioctl_set_layout(struct file *file, void __user *arg)
  */
 static long ceph_ioctl_set_layout_policy (struct file *file, void __user *arg)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ceph_mds_request *req;
 	struct ceph_ioctl_layout l;
 	int err;
@@ -179,7 +179,7 @@ static long ceph_ioctl_set_layout_policy (struct file *file, void __user *arg)
 static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
 {
 	struct ceph_ioctl_dataloc dl;
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_osd_client *osdc =
 		&ceph_sb_to_client(inode->i_sb)->client->osdc;
@@ -234,7 +234,7 @@ static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
 static long ceph_ioctl_lazyio(struct file *file)
 {
 	struct ceph_file_info *fi = file->private_data;
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 
 	if ((fi->fmode & CEPH_FILE_MODE_LAZY) == 0) {
diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c
index 80576d05d68..202dd3d68be 100644
--- a/fs/ceph/locks.c
+++ b/fs/ceph/locks.c
@@ -13,7 +13,7 @@
 static int ceph_lock_message(u8 lock_type, u16 operation, struct file *file,
 			     int cmd, u8 wait, struct file_lock *fl)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ceph_mds_client *mdsc =
 		ceph_sb_to_client(inode->i_sb)->mdsc;
 	struct ceph_mds_request *req;
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 9be09b21b4e..4bad7b16271 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -683,7 +683,7 @@ out_nls:
 static ssize_t cifs_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
 				   unsigned long nr_segs, loff_t pos)
 {
-	struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(iocb->ki_filp);
 	ssize_t written;
 	int rc;
 
@@ -707,7 +707,7 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int whence)
 	 */
 	if (whence != SEEK_SET && whence != SEEK_CUR) {
 		int rc;
-		struct inode *inode = file->f_path.dentry->d_inode;
+		struct inode *inode = file_inode(file);
 
 		/*
 		 * We need to be sure that all dirty pages are written and the
@@ -739,7 +739,7 @@ static int cifs_setlease(struct file *file, long arg, struct file_lock **lease)
 {
 	/* note that this is called by vfs setlease with lock_flocks held
 	   to protect *lease from going away */
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct cifsFileInfo *cfile = file->private_data;
 
 	if (!(S_ISREG(inode->i_mode)))
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index a8d8b589ee0..c16d2a018ab 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -947,7 +947,7 @@ static int
 cifs_posix_lock_test(struct file *file, struct file_lock *flock)
 {
 	int rc = 0;
-	struct cifsInodeInfo *cinode = CIFS_I(file->f_path.dentry->d_inode);
+	struct cifsInodeInfo *cinode = CIFS_I(file_inode(file));
 	unsigned char saved_type = flock->fl_type;
 
 	if ((flock->fl_flags & FL_POSIX) == 0)
@@ -974,7 +974,7 @@ cifs_posix_lock_test(struct file *file, struct file_lock *flock)
 static int
 cifs_posix_lock_set(struct file *file, struct file_lock *flock)
 {
-	struct cifsInodeInfo *cinode = CIFS_I(file->f_path.dentry->d_inode);
+	struct cifsInodeInfo *cinode = CIFS_I(file_inode(file));
 	int rc = 1;
 
 	if ((flock->fl_flags & FL_POSIX) == 0)
@@ -1548,7 +1548,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock)
 
 	cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
 	netfid = cfile->fid.netfid;
-	cinode = CIFS_I(file->f_path.dentry->d_inode);
+	cinode = CIFS_I(file_inode(file));
 
 	if (cap_unix(tcon->ses) &&
 	    (CIFS_UNIX_FCNTL_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability)) &&
@@ -2171,7 +2171,7 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
 	struct cifs_tcon *tcon;
 	struct TCP_Server_Info *server;
 	struct cifsFileInfo *smbfile = file->private_data;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 
 	rc = filemap_write_and_wait_range(inode->i_mapping, start, end);
@@ -2246,7 +2246,7 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
  */
 int cifs_flush(struct file *file, fl_owner_t id)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int rc = 0;
 
 	if (file->f_mode & FMODE_WRITE)
@@ -2480,7 +2480,7 @@ ssize_t cifs_user_writev(struct kiocb *iocb, const struct iovec *iov,
 	ssize_t written;
 	struct inode *inode;
 
-	inode = iocb->ki_filp->f_path.dentry->d_inode;
+	inode = file_inode(iocb->ki_filp);
 
 	/*
 	 * BB - optimize the way when signing is disabled. We can drop this
@@ -2543,7 +2543,7 @@ ssize_t
 cifs_strict_writev(struct kiocb *iocb, const struct iovec *iov,
 		   unsigned long nr_segs, loff_t pos)
 {
-	struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(iocb->ki_filp);
 	struct cifsInodeInfo *cinode = CIFS_I(inode);
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 	struct cifsFileInfo *cfile = (struct cifsFileInfo *)
@@ -2915,7 +2915,7 @@ ssize_t
 cifs_strict_readv(struct kiocb *iocb, const struct iovec *iov,
 		  unsigned long nr_segs, loff_t pos)
 {
-	struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(iocb->ki_filp);
 	struct cifsInodeInfo *cinode = CIFS_I(inode);
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 	struct cifsFileInfo *cfile = (struct cifsFileInfo *)
@@ -3063,7 +3063,7 @@ static struct vm_operations_struct cifs_file_vm_ops = {
 int cifs_file_strict_mmap(struct file *file, struct vm_area_struct *vma)
 {
 	int rc, xid;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 
 	xid = get_xid();
 
@@ -3356,7 +3356,7 @@ static int cifs_readpage_worker(struct file *file, struct page *page,
 	int rc;
 
 	/* Is the page cached? */
-	rc = cifs_readpage_from_fscache(file->f_path.dentry->d_inode, page);
+	rc = cifs_readpage_from_fscache(file_inode(file), page);
 	if (rc == 0)
 		goto read_complete;
 
@@ -3371,8 +3371,8 @@ static int cifs_readpage_worker(struct file *file, struct page *page,
 	else
 		cFYI(1, "Bytes read %d", rc);
 
-	file->f_path.dentry->d_inode->i_atime =
-		current_fs_time(file->f_path.dentry->d_inode->i_sb);
+	file_inode(file)->i_atime =
+		current_fs_time(file_inode(file)->i_sb);
 
 	if (PAGE_CACHE_SIZE > rc)
 		memset(read_data + rc, 0, PAGE_CACHE_SIZE - rc);
@@ -3381,7 +3381,7 @@ static int cifs_readpage_worker(struct file *file, struct page *page,
 	SetPageUptodate(page);
 
 	/* send this page to the cache */
-	cifs_readpage_to_fscache(file->f_path.dentry->d_inode, page);
+	cifs_readpage_to_fscache(file_inode(file), page);
 
 	rc = 0;
 
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 9638233964f..d2a833999bc 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -299,7 +299,7 @@ cifs_get_file_info_unix(struct file *filp)
 	unsigned int xid;
 	FILE_UNIX_BASIC_INFO find_data;
 	struct cifs_fattr fattr;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 	struct cifsFileInfo *cfile = filp->private_data;
 	struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
@@ -568,7 +568,7 @@ cifs_get_file_info(struct file *filp)
 	unsigned int xid;
 	FILE_ALL_INFO find_data;
 	struct cifs_fattr fattr;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 	struct cifsFileInfo *cfile = filp->private_data;
 	struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
@@ -1688,7 +1688,7 @@ cifs_invalidate_mapping(struct inode *inode)
 int cifs_revalidate_file_attr(struct file *filp)
 {
 	int rc = 0;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct cifsFileInfo *cfile = (struct cifsFileInfo *) filp->private_data;
 
 	if (!cifs_inode_needs_reval(inode))
@@ -1745,7 +1745,7 @@ out:
 int cifs_revalidate_file(struct file *filp)
 {
 	int rc;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 
 	rc = cifs_revalidate_file_attr(filp);
 	if (rc)
diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c
index fd5009d56f9..6c9f1214cf0 100644
--- a/fs/cifs/ioctl.c
+++ b/fs/cifs/ioctl.c
@@ -30,7 +30,7 @@
 
 long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
 {
-	struct inode *inode = filep->f_dentry->d_inode;
+	struct inode *inode = file_inode(filep);
 	int rc = -ENOTTY; /* strange error - but the precedent */
 	unsigned int xid;
 	struct cifs_sb_info *cifs_sb;
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index cdd6ff48246..df40cc5fd13 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -82,12 +82,10 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
 
 	cFYI(1, "%s: for %s", __func__, name->name);
 
-	if (parent->d_op && parent->d_op->d_hash)
-		parent->d_op->d_hash(parent, parent->d_inode, name);
-	else
-		name->hash = full_name_hash(name->name, name->len);
+	dentry = d_hash_and_lookup(parent, name);
+	if (unlikely(IS_ERR(dentry)))
+		return;
 
-	dentry = d_lookup(parent, name);
 	if (dentry) {
 		int err;
 
@@ -505,7 +503,7 @@ static int cifs_entry_is_dot(struct cifs_dirent *de, bool is_unicode)
    whether we can use the cached search results from the previous search */
 static int is_dir_changed(struct file *file)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct cifsInodeInfo *cifsInfo = CIFS_I(inode);
 
 	if (cifsInfo->time == 0)
@@ -778,7 +776,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
 	switch ((int) file->f_pos) {
 	case 0:
 		if (filldir(direntry, ".", 1, file->f_pos,
-		     file->f_path.dentry->d_inode->i_ino, DT_DIR) < 0) {
+		     file_inode(file)->i_ino, DT_DIR) < 0) {
 			cERROR(1, "Filldir for current dir failed");
 			rc = -ENOMEM;
 			break;
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 49fe52d2560..b7d3a05c062 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -397,7 +397,7 @@ static int coda_readdir(struct file *coda_file, void *buf, filldir_t filldir)
 		 * We can't use vfs_readdir because we have to keep the file
 		 * position in sync between the coda_file and the host_file.
 		 * and as such we need grab the inode mutex. */
-		struct inode *host_inode = host_file->f_path.dentry->d_inode;
+		struct inode *host_inode = file_inode(host_file);
 
 		mutex_lock(&host_inode->i_mutex);
 		host_file->f_pos = coda_file->f_pos;
diff --git a/fs/coda/file.c b/fs/coda/file.c
index 8edd404e641..fa4c100bdc7 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -66,7 +66,7 @@ coda_file_splice_read(struct file *coda_file, loff_t *ppos,
 static ssize_t
 coda_file_write(struct file *coda_file, const char __user *buf, size_t count, loff_t *ppos)
 {
-	struct inode *host_inode, *coda_inode = coda_file->f_path.dentry->d_inode;
+	struct inode *host_inode, *coda_inode = file_inode(coda_file);
 	struct coda_file_info *cfi;
 	struct file *host_file;
 	ssize_t ret;
@@ -78,7 +78,7 @@ coda_file_write(struct file *coda_file, const char __user *buf, size_t count, lo
 	if (!host_file->f_op || !host_file->f_op->write)
 		return -EINVAL;
 
-	host_inode = host_file->f_path.dentry->d_inode;
+	host_inode = file_inode(host_file);
 	mutex_lock(&coda_inode->i_mutex);
 
 	ret = host_file->f_op->write(host_file, buf, count, ppos);
@@ -106,8 +106,8 @@ coda_file_mmap(struct file *coda_file, struct vm_area_struct *vma)
 	if (!host_file->f_op || !host_file->f_op->mmap)
 		return -ENODEV;
 
-	coda_inode = coda_file->f_path.dentry->d_inode;
-	host_inode = host_file->f_path.dentry->d_inode;
+	coda_inode = file_inode(coda_file);
+	host_inode = file_inode(host_file);
 
 	cii = ITOC(coda_inode);
 	spin_lock(&cii->c_lock);
@@ -178,7 +178,7 @@ int coda_release(struct inode *coda_inode, struct file *coda_file)
 	err = venus_close(coda_inode->i_sb, coda_i2f(coda_inode),
 			  coda_flags, coda_file->f_cred->fsuid);
 
-	host_inode = cfi->cfi_container->f_path.dentry->d_inode;
+	host_inode = file_inode(cfi->cfi_container);
 	cii = ITOC(coda_inode);
 
 	/* did we mmap this file? */
@@ -202,7 +202,7 @@ int coda_release(struct inode *coda_inode, struct file *coda_file)
 int coda_fsync(struct file *coda_file, loff_t start, loff_t end, int datasync)
 {
 	struct file *host_file;
-	struct inode *coda_inode = coda_file->f_path.dentry->d_inode;
+	struct inode *coda_inode = file_inode(coda_file);
 	struct coda_file_info *cfi;
 	int err;
 
diff --git a/fs/coda/inode.c b/fs/coda/inode.c
index cf674e9179a..dada9d0abed 100644
--- a/fs/coda/inode.c
+++ b/fs/coda/inode.c
@@ -130,7 +130,7 @@ static int get_device_index(struct coda_mount_data *data)
 	f = fdget(data->fd);
 	if (!f.file)
 		goto Ebadf;
-	inode = f.file->f_path.dentry->d_inode;
+	inode = file_inode(f.file);
 	if (!S_ISCHR(inode->i_mode) || imajor(inode) != CODA_PSDEV_MAJOR) {
 		fdput(f);
 		goto Ebadf;
diff --git a/fs/coda/pioctl.c b/fs/coda/pioctl.c
index ee0981f1375..3f5de96bbb5 100644
--- a/fs/coda/pioctl.c
+++ b/fs/coda/pioctl.c
@@ -52,7 +52,7 @@ static long coda_pioctl(struct file *filp, unsigned int cmd,
 	struct path path;
 	int error;
 	struct PioctlData data;
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct inode *target_inode = NULL;
 	struct coda_inode_info *cnp;
 
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index e2f57a00702..3ced75f765c 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -1582,7 +1582,7 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
 	case FIBMAP:
 	case FIGETBSZ:
 	case FIONREAD:
-		if (S_ISREG(f.file->f_path.dentry->d_inode->i_mode))
+		if (S_ISREG(file_inode(f.file)->i_mode))
 			break;
 		/*FALL THROUGH*/
 
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index e9dcfa3c208..7aabc6ad4e9 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1626,7 +1626,7 @@ static loff_t configfs_dir_lseek(struct file *file, loff_t offset, int whence)
 			if (offset >= 0)
 				break;
 		default:
-			mutex_unlock(&file->f_path.dentry->d_inode->i_mutex);
+			mutex_unlock(&file_inode(file)->i_mutex);
 			return -EINVAL;
 	}
 	if (offset != file->f_pos) {
diff --git a/fs/coredump.c b/fs/coredump.c
index 177493272a6..69baf903d3b 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -411,7 +411,7 @@ static void wait_for_dump_helpers(struct file *file)
 {
 	struct pipe_inode_info *pipe;
 
-	pipe = file->f_path.dentry->d_inode->i_pipe;
+	pipe = file_inode(file)->i_pipe;
 
 	pipe_lock(pipe);
 	pipe->readers++;
@@ -600,7 +600,7 @@ void do_coredump(siginfo_t *siginfo)
 		if (IS_ERR(cprm.file))
 			goto fail_unlock;
 
-		inode = cprm.file->f_path.dentry->d_inode;
+		inode = file_inode(cprm.file);
 		if (inode->i_nlink > 1)
 			goto close_fail;
 		if (d_unhashed(cprm.file->f_path.dentry))
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index c6c3f91ecf0..3ceb9ec976e 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -351,7 +351,7 @@ static int cramfs_statfs(struct dentry *dentry, struct kstatfs *buf)
  */
 static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	char *buf;
 	unsigned int offset;
diff --git a/fs/dcache.c b/fs/dcache.c
index 19153a0a810..68220dd0c13 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1358,6 +1358,7 @@ void d_set_d_op(struct dentry *dentry, const struct dentry_operations *op)
 	WARN_ON_ONCE(dentry->d_flags & (DCACHE_OP_HASH	|
 				DCACHE_OP_COMPARE	|
 				DCACHE_OP_REVALIDATE	|
+				DCACHE_OP_WEAK_REVALIDATE	|
 				DCACHE_OP_DELETE ));
 	dentry->d_op = op;
 	if (!op)
@@ -1368,6 +1369,8 @@ void d_set_d_op(struct dentry *dentry, const struct dentry_operations *op)
 		dentry->d_flags |= DCACHE_OP_COMPARE;
 	if (op->d_revalidate)
 		dentry->d_flags |= DCACHE_OP_REVALIDATE;
+	if (op->d_weak_revalidate)
+		dentry->d_flags |= DCACHE_OP_WEAK_REVALIDATE;
 	if (op->d_delete)
 		dentry->d_flags |= DCACHE_OP_DELETE;
 	if (op->d_prune)
@@ -1672,7 +1675,6 @@ EXPORT_SYMBOL(d_splice_alias);
 struct dentry *d_add_ci(struct dentry *dentry, struct inode *inode,
 			struct qstr *name)
 {
-	int error;
 	struct dentry *found;
 	struct dentry *new;
 
@@ -1681,10 +1683,12 @@ struct dentry *d_add_ci(struct dentry *dentry, struct inode *inode,
 	 * if not go ahead and create it now.
 	 */
 	found = d_hash_and_lookup(dentry->d_parent, name);
+	if (unlikely(IS_ERR(found)))
+		goto err_out;
 	if (!found) {
 		new = d_alloc(dentry->d_parent, name);
 		if (!new) {
-			error = -ENOMEM;
+			found = ERR_PTR(-ENOMEM);
 			goto err_out;
 		}
 
@@ -1725,7 +1729,7 @@ struct dentry *d_add_ci(struct dentry *dentry, struct inode *inode,
 
 err_out:
 	iput(inode);
-	return ERR_PTR(error);
+	return found;
 }
 EXPORT_SYMBOL(d_add_ci);
 
@@ -1889,7 +1893,7 @@ seqretry:
  * dentry is returned. The caller must use dput to free the entry when it has
  * finished using it. %NULL is returned if the dentry does not exist.
  */
-struct dentry *d_lookup(struct dentry *parent, struct qstr *name)
+struct dentry *d_lookup(const struct dentry *parent, const struct qstr *name)
 {
 	struct dentry *dentry;
 	unsigned seq;
@@ -1919,7 +1923,7 @@ EXPORT_SYMBOL(d_lookup);
  *
  * __d_lookup callers must be commented.
  */
-struct dentry *__d_lookup(struct dentry *parent, struct qstr *name)
+struct dentry *__d_lookup(const struct dentry *parent, const struct qstr *name)
 {
 	unsigned int len = name->len;
 	unsigned int hash = name->hash;
@@ -1997,12 +2001,10 @@ next:
  * @dir: Directory to search in
  * @name: qstr of name we wish to find
  *
- * On hash failure or on lookup failure NULL is returned.
+ * On lookup failure NULL is returned; on bad name - ERR_PTR(-error)
  */
 struct dentry *d_hash_and_lookup(struct dentry *dir, struct qstr *name)
 {
-	struct dentry *dentry = NULL;
-
 	/*
 	 * Check for a fs-specific hash function. Note that we must
 	 * calculate the standard hash first, as the d_op->d_hash()
@@ -2010,13 +2012,13 @@ struct dentry *d_hash_and_lookup(struct dentry *dir, struct qstr *name)
 	 */
 	name->hash = full_name_hash(name->name, name->len);
 	if (dir->d_flags & DCACHE_OP_HASH) {
-		if (dir->d_op->d_hash(dir, dir->d_inode, name) < 0)
-			goto out;
+		int err = dir->d_op->d_hash(dir, dir->d_inode, name);
+		if (unlikely(err < 0))
+			return ERR_PTR(err);
 	}
-	dentry = d_lookup(dir, name);
-out:
-	return dentry;
+	return d_lookup(dir, name);
 }
+EXPORT_SYMBOL(d_hash_and_lookup);
 
 /**
  * d_validate - verify dentry provided from insecure source (deprecated)
@@ -2394,7 +2396,7 @@ out_err:
  */
 static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon)
 {
-	struct dentry *dparent, *aparent;
+	struct dentry *dparent;
 
 	dentry_lock_for_move(anon, dentry);
 
@@ -2402,24 +2404,15 @@ static void __d_materialise_dentry(struct dentry *dentry, struct dentry *anon)
 	write_seqcount_begin(&anon->d_seq);
 
 	dparent = dentry->d_parent;
-	aparent = anon->d_parent;
 
 	switch_names(dentry, anon);
 	swap(dentry->d_name.hash, anon->d_name.hash);
 
-	dentry->d_parent = (aparent == anon) ? dentry : aparent;
-	list_del(&dentry->d_u.d_child);
-	if (!IS_ROOT(dentry))
-		list_add(&dentry->d_u.d_child, &dentry->d_parent->d_subdirs);
-	else
-		INIT_LIST_HEAD(&dentry->d_u.d_child);
-
-	anon->d_parent = (dparent == dentry) ? anon : dparent;
+	dentry->d_parent = dentry;
+	list_del_init(&dentry->d_u.d_child);
+	anon->d_parent = dparent;
 	list_del(&anon->d_u.d_child);
-	if (!IS_ROOT(anon))
-		list_add(&anon->d_u.d_child, &anon->d_parent->d_subdirs);
-	else
-		INIT_LIST_HEAD(&anon->d_u.d_child);
+	list_add(&anon->d_u.d_child, &dparent->d_subdirs);
 
 	write_seqcount_end(&dentry->d_seq);
 	write_seqcount_end(&anon->d_seq);
@@ -2722,37 +2715,6 @@ char *d_path(const struct path *path, char *buf, int buflen)
 }
 EXPORT_SYMBOL(d_path);
 
-/**
- * d_path_with_unreachable - return the path of a dentry
- * @path: path to report
- * @buf: buffer to return value in
- * @buflen: buffer length
- *
- * The difference from d_path() is that this prepends "(unreachable)"
- * to paths which are unreachable from the current process' root.
- */
-char *d_path_with_unreachable(const struct path *path, char *buf, int buflen)
-{
-	char *res = buf + buflen;
-	struct path root;
-	int error;
-
-	if (path->dentry->d_op && path->dentry->d_op->d_dname)
-		return path->dentry->d_op->d_dname(path->dentry, buf, buflen);
-
-	get_fs_root(current->fs, &root);
-	write_seqlock(&rename_lock);
-	error = path_with_deleted(path, &root, &res, &buflen);
-	if (error > 0)
-		error = prepend_unreachable(&res, &buflen);
-	write_sequnlock(&rename_lock);
-	path_put(&root);
-	if (error)
-		res =  ERR_PTR(error);
-
-	return res;
-}
-
 /*
  * Helper function for dentry_operations.d_dname() members
  */
@@ -3035,7 +2997,7 @@ ino_t find_inode_number(struct dentry *dir, struct qstr *name)
 	ino_t ino = 0;
 
 	dentry = d_hash_and_lookup(dir, name);
-	if (dentry) {
+	if (!IS_ERR_OR_NULL(dentry)) {
 		if (dentry->d_inode)
 			ino = dentry->d_inode->i_ino;
 		dput(dentry);
diff --git a/fs/direct-io.c b/fs/direct-io.c
index cf5b44b10c6..f853263cf74 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -261,9 +261,9 @@ static ssize_t dio_complete(struct dio *dio, loff_t offset, ssize_t ret, bool is
 		dio->end_io(dio->iocb, offset, transferred,
 			    dio->private, ret, is_async);
 	} else {
+		inode_dio_done(dio->inode);
 		if (is_async)
 			aio_complete(dio->iocb, ret, 0);
-		inode_dio_done(dio->inode);
 	}
 
 	return ret;
diff --git a/fs/dlm/config.c b/fs/dlm/config.c
index a0387dd8b1f..7d58d5b112b 100644
--- a/fs/dlm/config.c
+++ b/fs/dlm/config.c
@@ -158,7 +158,7 @@ static ssize_t cluster_set(struct dlm_cluster *cl, unsigned int *cl_field,
 	unsigned int x;
 
 	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
+		return -EPERM;
 
 	x = simple_strtoul(buf, NULL, 0);
 
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index cfb4b9fed52..7e2c6f5d798 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -509,6 +509,12 @@ ecryptfs_dentry_to_lower_mnt(struct dentry *dentry)
 	return ((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path.mnt;
 }
 
+static inline struct path *
+ecryptfs_dentry_to_lower_path(struct dentry *dentry)
+{
+	return &((struct ecryptfs_dentry_info *)dentry->d_fsdata)->lower_path;
+}
+
 static inline void
 ecryptfs_set_dentry_lower_mnt(struct dentry *dentry, struct vfsmount *lower_mnt)
 {
diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c
index d45ba456812..53acc9d0c13 100644
--- a/fs/ecryptfs/file.c
+++ b/fs/ecryptfs/file.c
@@ -118,7 +118,7 @@ static int ecryptfs_readdir(struct file *file, void *dirent, filldir_t filldir)
 
 	lower_file = ecryptfs_file_to_lower(file);
 	lower_file->f_pos = file->f_pos;
-	inode = file->f_path.dentry->d_inode;
+	inode = file_inode(file);
 	memset(&buf, 0, sizeof(buf));
 	buf.dirent = dirent;
 	buf.dentry = file->f_path.dentry;
@@ -133,7 +133,7 @@ static int ecryptfs_readdir(struct file *file, void *dirent, filldir_t filldir)
 		goto out;
 	if (rc >= 0)
 		fsstack_copy_attr_atime(inode,
-					lower_file->f_path.dentry->d_inode);
+					file_inode(lower_file));
 out:
 	return rc;
 }
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index cc7709e7c50..e0f07fb6d56 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -1027,8 +1027,7 @@ int ecryptfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
 	struct kstat lower_stat;
 	int rc;
 
-	rc = vfs_getattr(ecryptfs_dentry_to_lower_mnt(dentry),
-			 ecryptfs_dentry_to_lower(dentry), &lower_stat);
+	rc = vfs_getattr(ecryptfs_dentry_to_lower_path(dentry), &lower_stat);
 	if (!rc) {
 		fsstack_copy_attr_all(dentry->d_inode,
 				      ecryptfs_inode_to_lower(dentry->d_inode));
diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c
index b2a34a192f4..6a160539cd2 100644
--- a/fs/ecryptfs/read_write.c
+++ b/fs/ecryptfs/read_write.c
@@ -40,16 +40,12 @@ int ecryptfs_write_lower(struct inode *ecryptfs_inode, char *data,
 			 loff_t offset, size_t size)
 {
 	struct file *lower_file;
-	mm_segment_t fs_save;
 	ssize_t rc;
 
 	lower_file = ecryptfs_inode_to_private(ecryptfs_inode)->lower_file;
 	if (!lower_file)
 		return -EIO;
-	fs_save = get_fs();
-	set_fs(get_ds());
-	rc = vfs_write(lower_file, data, size, &offset);
-	set_fs(fs_save);
+	rc = kernel_write(lower_file, data, size, offset);
 	mark_inode_dirty_sync(ecryptfs_inode);
 	return rc;
 }
diff --git a/fs/efs/dir.c b/fs/efs/dir.c
index 7ee6f7e3a60..055a9e9ca74 100644
--- a/fs/efs/dir.c
+++ b/fs/efs/dir.c
@@ -20,7 +20,7 @@ const struct inode_operations efs_dir_inode_operations = {
 };
 
 static int efs_readdir(struct file *filp, void *dirent, filldir_t filldir) {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct buffer_head *bh;
 
 	struct efs_dir		*dirblock;
diff --git a/fs/exec.c b/fs/exec.c
index 20df02c1cc7..864c50df660 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -123,7 +123,7 @@ SYSCALL_DEFINE1(uselib, const char __user *, library)
 		goto out;
 
 	error = -EINVAL;
-	if (!S_ISREG(file->f_path.dentry->d_inode->i_mode))
+	if (!S_ISREG(file_inode(file)->i_mode))
 		goto exit;
 
 	error = -EACCES;
@@ -355,7 +355,7 @@ static bool valid_arg_len(struct linux_binprm *bprm, long len)
  * flags, permissions, and offset, so we use temporary values.  We'll update
  * them later in setup_arg_pages().
  */
-int bprm_mm_init(struct linux_binprm *bprm)
+static int bprm_mm_init(struct linux_binprm *bprm)
 {
 	int err;
 	struct mm_struct *mm = NULL;
@@ -764,7 +764,7 @@ struct file *open_exec(const char *name)
 		goto out;
 
 	err = -EACCES;
-	if (!S_ISREG(file->f_path.dentry->d_inode->i_mode))
+	if (!S_ISREG(file_inode(file)->i_mode))
 		goto exit;
 
 	if (file->f_path.mnt->mnt_flags & MNT_NOEXEC)
@@ -1098,7 +1098,7 @@ EXPORT_SYMBOL(flush_old_exec);
 
 void would_dump(struct linux_binprm *bprm, struct file *file)
 {
-	if (inode_permission(file->f_path.dentry->d_inode, MAY_READ) < 0)
+	if (inode_permission(file_inode(file), MAY_READ) < 0)
 		bprm->interp_flags |= BINPRM_FLAGS_ENFORCE_NONDUMP;
 }
 EXPORT_SYMBOL(would_dump);
@@ -1270,7 +1270,7 @@ static int check_unsafe_exec(struct linux_binprm *bprm)
 int prepare_binprm(struct linux_binprm *bprm)
 {
 	umode_t mode;
-	struct inode * inode = bprm->file->f_path.dentry->d_inode;
+	struct inode * inode = file_inode(bprm->file);
 	int retval;
 
 	mode = inode->i_mode;
diff --git a/fs/exofs/dir.c b/fs/exofs/dir.c
index c61e62ac231..46375896cfc 100644
--- a/fs/exofs/dir.c
+++ b/fs/exofs/dir.c
@@ -242,7 +242,7 @@ static int
 exofs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
 	loff_t pos = filp->f_pos;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	unsigned int offset = pos & ~PAGE_CACHE_MASK;
 	unsigned long n = pos >> PAGE_CACHE_SHIFT;
 	unsigned long npages = dir_pages(inode);
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 0f4f5c92925..4237722bfd2 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -290,7 +290,7 @@ static int
 ext2_readdir (struct file * filp, void * dirent, filldir_t filldir)
 {
 	loff_t pos = filp->f_pos;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	unsigned int offset = pos & ~PAGE_CACHE_MASK;
 	unsigned long n = pos >> PAGE_CACHE_SHIFT;
diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c
index 2de655f5d62..5d46c09863f 100644
--- a/fs/ext2/ioctl.c
+++ b/fs/ext2/ioctl.c
@@ -19,7 +19,7 @@
 
 long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct ext2_inode_info *ei = EXT2_I(inode);
 	unsigned int flags;
 	unsigned short rsv_window_size;
diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c
index dd91264ba94..87eccbbca25 100644
--- a/fs/ext3/dir.c
+++ b/fs/ext3/dir.c
@@ -99,7 +99,7 @@ static int ext3_readdir(struct file * filp,
 	int i, stored;
 	struct ext3_dir_entry_2 *de;
 	int err;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	int ret = 0;
 	int dir_has_error = 0;
@@ -114,7 +114,7 @@ static int ext3_readdir(struct file * filp,
 		 * We don't set the inode dirty flag since it's not
 		 * critical that it get flushed back to the disk.
 		 */
-		EXT3_I(filp->f_path.dentry->d_inode)->i_flags &= ~EXT3_INDEX_FL;
+		EXT3_I(file_inode(filp))->i_flags &= ~EXT3_INDEX_FL;
 	}
 	stored = 0;
 	offset = filp->f_pos & (sb->s_blocksize - 1);
@@ -457,7 +457,7 @@ static int call_filldir(struct file * filp, void * dirent,
 {
 	struct dir_private_info *info = filp->private_data;
 	loff_t	curr_pos;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block * sb;
 	int error;
 
@@ -487,7 +487,7 @@ static int ext3_dx_readdir(struct file * filp,
 			 void * dirent, filldir_t filldir)
 {
 	struct dir_private_info *info = filp->private_data;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct fname *fname;
 	int	ret;
 
diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c
index 677a5c27dc6..4d96e9a6453 100644
--- a/fs/ext3/ioctl.c
+++ b/fs/ext3/ioctl.c
@@ -14,7 +14,7 @@
 
 long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct ext3_inode_info *ei = EXT3_I(inode);
 	unsigned int flags;
 	unsigned short rsv_window_size;
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 88f64eb1b6f..692de13e359 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -623,7 +623,7 @@ int ext3_htree_fill_tree(struct file *dir_file, __u32 start_hash,
 
 	dxtrace(printk("In htree_fill_tree, start hash: %x:%x\n", start_hash,
 		       start_minor_hash));
-	dir = dir_file->f_path.dentry->d_inode;
+	dir = file_inode(dir_file);
 	if (!(EXT3_I(dir)->i_flags & EXT3_INDEX_FL)) {
 		hinfo.hash_version = EXT3_SB(dir->i_sb)->s_def_hash_version;
 		if (hinfo.hash_version <= DX_HASH_TEA)
@@ -637,7 +637,7 @@ int ext3_htree_fill_tree(struct file *dir_file, __u32 start_hash,
 	}
 	hinfo.hash = start_hash;
 	hinfo.minor_hash = 0;
-	frame = dx_probe(NULL, dir_file->f_path.dentry->d_inode, &hinfo, frames, &err);
+	frame = dx_probe(NULL, file_inode(dir_file), &hinfo, frames, &err);
 	if (!frame)
 		return err;
 
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index 3882fbc5e21..6dda04f05ef 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -110,7 +110,7 @@ static int ext4_readdir(struct file *filp,
 	int i, stored;
 	struct ext4_dir_entry_2 *de;
 	int err;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	int ret = 0;
 	int dir_has_error = 0;
@@ -133,7 +133,7 @@ static int ext4_readdir(struct file *filp,
 		 * We don't set the inode dirty flag since it's not
 		 * critical that it get flushed back to the disk.
 		 */
-		ext4_clear_inode_flag(filp->f_path.dentry->d_inode,
+		ext4_clear_inode_flag(file_inode(filp),
 				      EXT4_INODE_INDEX);
 	}
 	stored = 0;
@@ -495,7 +495,7 @@ static int call_filldir(struct file *filp, void *dirent,
 {
 	struct dir_private_info *info = filp->private_data;
 	loff_t	curr_pos;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb;
 	int error;
 
@@ -527,7 +527,7 @@ static int ext4_dx_readdir(struct file *filp,
 			 void *dirent, filldir_t filldir)
 {
 	struct dir_private_info *info = filp->private_data;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct fname *fname;
 	int	ret;
 
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 372b2cbee07..28dd8eeea6a 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4309,7 +4309,7 @@ static void ext4_falloc_update_inode(struct inode *inode,
  */
 long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	handle_t *handle;
 	loff_t new_size;
 	unsigned int max_blocks;
@@ -4571,7 +4571,7 @@ static int ext4_xattr_fiemap(struct inode *inode,
  */
 int ext4_ext_punch_hole(struct file *file, loff_t offset, loff_t length)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct super_block *sb = inode->i_sb;
 	ext4_lblk_t first_block, stop_block;
 	struct address_space *mapping = inode->i_mapping;
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 7e85a10a6f4..64848b595b2 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -167,7 +167,7 @@ static ssize_t
 ext4_file_write(struct kiocb *iocb, const struct iovec *iov,
 		unsigned long nr_segs, loff_t pos)
 {
-	struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(iocb->ki_filp);
 	ssize_t ret;
 
 	/*
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index bc5f871f089..c0fd1a123f7 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -1298,7 +1298,7 @@ int ext4_read_inline_dir(struct file *filp,
 	int i, stored;
 	struct ext4_dir_entry_2 *de;
 	struct super_block *sb;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	int ret, inline_size = 0;
 	struct ext4_iloc iloc;
 	void *dir_buf = NULL;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 88049d8d30c..9c4f4b1c97f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2948,7 +2948,7 @@ static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset,
 			    ssize_t size, void *private, int ret,
 			    bool is_async)
 {
-	struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(iocb->ki_filp);
         ext4_io_end_t *io_end = iocb->private;
 
 	/* if not async direct IO or dio with 0 bytes write, just return */
@@ -3483,7 +3483,7 @@ int ext4_can_truncate(struct inode *inode)
 
 int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	if (!S_ISREG(inode->i_mode))
 		return -EOPNOTSUPP;
 
@@ -4855,7 +4855,7 @@ int ext4_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 	unsigned long len;
 	int ret;
 	struct file *file = vma->vm_file;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct address_space *mapping = inode->i_mapping;
 	handle_t *handle;
 	get_block_t *get_block;
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 31f4f56a32d..721f4d33e14 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -22,7 +22,7 @@
 
 long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	struct ext4_inode_info *ei = EXT4_I(inode);
 	unsigned int flags;
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index d78c33eed7e..4e81d47aa8c 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -900,7 +900,7 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode,
 		  pgoff_t orig_page_offset, int data_offset_in_page,
 		  int block_len_in_page, int uninit, int *err)
 {
-	struct inode *orig_inode = o_filp->f_dentry->d_inode;
+	struct inode *orig_inode = file_inode(o_filp);
 	struct page *pagep[2] = {NULL, NULL};
 	handle_t *handle;
 	ext4_lblk_t orig_blk_offset;
@@ -1279,8 +1279,8 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
 		 __u64 orig_start, __u64 donor_start, __u64 len,
 		 __u64 *moved_len)
 {
-	struct inode *orig_inode = o_filp->f_dentry->d_inode;
-	struct inode *donor_inode = d_filp->f_dentry->d_inode;
+	struct inode *orig_inode = file_inode(o_filp);
+	struct inode *donor_inode = file_inode(d_filp);
 	struct ext4_ext_path *orig_path = NULL, *holecheck_path = NULL;
 	struct ext4_extent *ext_prev, *ext_cur, *ext_dummy;
 	ext4_lblk_t block_start = orig_start;
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 2a7015d06a7..3825d6aa833 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -964,7 +964,7 @@ int ext4_htree_fill_tree(struct file *dir_file, __u32 start_hash,
 
 	dxtrace(printk(KERN_DEBUG "In htree_fill_tree, start hash: %x:%x\n",
 		       start_hash, start_minor_hash));
-	dir = dir_file->f_path.dentry->d_inode;
+	dir = file_inode(dir_file);
 	if (!(ext4_test_inode_flag(dir, EXT4_INODE_INDEX))) {
 		hinfo.hash_version = EXT4_SB(dir->i_sb)->s_def_hash_version;
 		if (hinfo.hash_version <= DX_HASH_TEA)
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 373d46cd5d3..620cf5615ba 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -450,7 +450,7 @@ void ext4_error_file(struct file *file, const char *function,
 	va_list args;
 	struct va_format vaf;
 	struct ext4_super_block *es;
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	char pathname[80], *path;
 
 	es = EXT4_SB(inode->i_sb)->s_es;
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index c395c501297..a1f38443ece 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -600,7 +600,7 @@ bool f2fs_empty_dir(struct inode *dir)
 static int f2fs_readdir(struct file *file, void *dirent, filldir_t filldir)
 {
 	unsigned long pos = file->f_pos;
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	unsigned long npages = dir_blocks(inode);
 	unsigned char *types = NULL;
 	unsigned int bit_pos = 0, start_bit_pos = 0;
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 58bf744dbf3..165012ef363 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -698,7 +698,7 @@ out:
 
 static int fat_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	return __fat_readdir(inode, filp, dirent, filldir, 0, 0);
 }
 
@@ -779,7 +779,7 @@ static int fat_ioctl_readdir(struct inode *inode, struct file *filp,
 static long fat_dir_ioctl(struct file *filp, unsigned int cmd,
 			  unsigned long arg)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct __fat_dirent __user *d1 = (struct __fat_dirent __user *)arg;
 	int short_only, both;
 
@@ -819,7 +819,7 @@ FAT_IOCTL_FILLDIR_FUNC(fat_compat_ioctl_filldir, compat_dirent)
 static long fat_compat_dir_ioctl(struct file *filp, unsigned cmd,
 				 unsigned long arg)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct compat_dirent __user *d1 = compat_ptr(arg);
 	int short_only, both;
 
diff --git a/fs/fat/file.c b/fs/fat/file.c
index a62e0ecbe2d..3978f8ca182 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -32,7 +32,7 @@ static int fat_ioctl_get_attributes(struct inode *inode, u32 __user *user_attr)
 
 static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb);
 	int is_dir = S_ISDIR(inode->i_mode);
 	u32 attr, oldattr;
@@ -116,7 +116,7 @@ out:
 
 long fat_generic_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	u32 __user *user_attr = (u32 __user *)arg;
 
 	switch (cmd) {
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 71a600a19f0..6599222536e 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -30,7 +30,7 @@
 
 static int setfl(int fd, struct file * filp, unsigned long arg)
 {
-	struct inode * inode = filp->f_path.dentry->d_inode;
+	struct inode * inode = file_inode(filp);
 	int error = 0;
 
 	/*
diff --git a/fs/file_table.c b/fs/file_table.c
index de9e9653d61..aa07d3684a2 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -94,8 +94,8 @@ int proc_nr_files(ctl_table *table, int write,
 #endif
 
 /* Find an unused file structure and return a pointer to it.
- * Returns NULL, if there are no more free file structures or
- * we run out of memory.
+ * Returns an error pointer if some error happend e.g. we over file
+ * structures limit, run out of memory or operation is not permitted.
  *
  * Be very careful using this.  You are responsible for
  * getting write access to any mount that you might assign
@@ -107,7 +107,8 @@ struct file *get_empty_filp(void)
 {
 	const struct cred *cred = current_cred();
 	static long old_max;
-	struct file * f;
+	struct file *f;
+	int error;
 
 	/*
 	 * Privileged users can go above max_files
@@ -122,13 +123,16 @@ struct file *get_empty_filp(void)
 	}
 
 	f = kmem_cache_zalloc(filp_cachep, GFP_KERNEL);
-	if (f == NULL)
-		goto fail;
+	if (unlikely(!f))
+		return ERR_PTR(-ENOMEM);
 
 	percpu_counter_inc(&nr_files);
 	f->f_cred = get_cred(cred);
-	if (security_file_alloc(f))
-		goto fail_sec;
+	error = security_file_alloc(f);
+	if (unlikely(error)) {
+		file_free(f);
+		return ERR_PTR(error);
+	}
 
 	INIT_LIST_HEAD(&f->f_u.fu_list);
 	atomic_long_set(&f->f_count, 1);
@@ -144,12 +148,7 @@ over:
 		pr_info("VFS: file-max limit %lu reached\n", get_max_files());
 		old_max = get_nr_files();
 	}
-	goto fail;
-
-fail_sec:
-	file_free(f);
-fail:
-	return NULL;
+	return ERR_PTR(-ENFILE);
 }
 
 /**
@@ -173,8 +172,8 @@ struct file *alloc_file(struct path *path, fmode_t mode,
 	struct file *file;
 
 	file = get_empty_filp();
-	if (!file)
-		return NULL;
+	if (IS_ERR(file))
+		return file;
 
 	file->f_path = *path;
 	file->f_mapping = path->dentry->d_inode->i_mapping;
@@ -447,7 +446,7 @@ void mark_files_ro(struct super_block *sb)
 
 	lg_global_lock(&files_lglock);
 	do_file_list_for_each_entry(sb, f) {
-		if (!S_ISREG(f->f_path.dentry->d_inode->i_mode))
+		if (!S_ISREG(file_inode(f)->i_mode))
 		       continue;
 		if (!file_count(f))
 			continue;
diff --git a/fs/freevxfs/vxfs_lookup.c b/fs/freevxfs/vxfs_lookup.c
index bd447e88f20..664b07a5387 100644
--- a/fs/freevxfs/vxfs_lookup.c
+++ b/fs/freevxfs/vxfs_lookup.c
@@ -237,7 +237,7 @@ vxfs_lookup(struct inode *dip, struct dentry *dp, unsigned int flags)
 static int
 vxfs_readdir(struct file *fp, void *retp, filldir_t filler)
 {
-	struct inode		*ip = fp->f_path.dentry->d_inode;
+	struct inode		*ip = file_inode(fp);
 	struct super_block	*sbp = ip->i_sb;
 	u_long			bsize = sbp->s_blocksize;
 	u_long			page, npages, block, pblocks, nblocks, offset;
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index 75a20c092dd..b7978b9f75e 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -23,7 +23,7 @@ static struct fuse_conn *fuse_ctl_file_conn_get(struct file *file)
 {
 	struct fuse_conn *fc;
 	mutex_lock(&fuse_mutex);
-	fc = file->f_path.dentry->d_inode->i_private;
+	fc = file_inode(file)->i_private;
 	if (fc)
 		fc = fuse_conn_get(fc);
 	mutex_unlock(&fuse_mutex);
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 85065221a58..ff15522481d 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1325,7 +1325,7 @@ static int fuse_readdir(struct file *file, void *dstbuf, filldir_t filldir)
 	int plus, err;
 	size_t nbytes;
 	struct page *page;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct fuse_conn *fc = get_fuse_conn(inode);
 	struct fuse_req *req;
 	u64 attr_version = 0;
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 01353ed7575..df00993ed10 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -679,7 +679,7 @@ static int fuse_encode_fh(struct inode *inode, u32 *fh, int *max_len,
 
 	if (*max_len < len) {
 		*max_len = len;
-		return  255;
+		return  FILEID_INVALID;
 	}
 
 	nodeid = get_fuse_inode(inode)->nodeid;
diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c
index 4767774a5f3..9973df4ff56 100644
--- a/fs/gfs2/export.c
+++ b/fs/gfs2/export.c
@@ -37,10 +37,10 @@ static int gfs2_encode_fh(struct inode *inode, __u32 *p, int *len,
 
 	if (parent && (*len < GFS2_LARGE_FH_SIZE)) {
 		*len = GFS2_LARGE_FH_SIZE;
-		return 255;
+		return FILEID_INVALID;
 	} else if (*len < GFS2_SMALL_FH_SIZE) {
 		*len = GFS2_SMALL_FH_SIZE;
-		return 255;
+		return FILEID_INVALID;
 	}
 
 	fh[0] = cpu_to_be32(ip->i_no_formal_ino >> 32);
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 2687f50d98c..019f45e4509 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -157,7 +157,7 @@ static const u32 gfs2_to_fsflags[32] = {
 
 static int gfs2_get_flags(struct file *filp, u32 __user *ptr)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct gfs2_inode *ip = GFS2_I(inode);
 	struct gfs2_holder gh;
 	int error;
@@ -217,7 +217,7 @@ void gfs2_set_inode_flags(struct inode *inode)
  */
 static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct gfs2_inode *ip = GFS2_I(inode);
 	struct gfs2_sbd *sdp = GFS2_SB(inode);
 	struct buffer_head *bh;
@@ -293,7 +293,7 @@ out_drop_write:
 
 static int gfs2_set_flags(struct file *filp, u32 __user *ptr)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	u32 fsflags, gfsflags;
 
 	if (get_user(fsflags, ptr))
@@ -336,7 +336,7 @@ static long gfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
 static void gfs2_size_hint(struct file *filep, loff_t offset, size_t size)
 {
-	struct inode *inode = filep->f_dentry->d_inode;
+	struct inode *inode = file_inode(filep);
 	struct gfs2_sbd *sdp = GFS2_SB(inode);
 	struct gfs2_inode *ip = GFS2_I(inode);
 	size_t blks = (size + sdp->sd_sb.sb_bsize - 1) >> sdp->sd_sb.sb_bsize_shift;
@@ -386,7 +386,7 @@ static int gfs2_allocate_page_backing(struct page *page)
 static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
 	struct page *page = vmf->page;
-	struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(vma->vm_file);
 	struct gfs2_inode *ip = GFS2_I(inode);
 	struct gfs2_sbd *sdp = GFS2_SB(inode);
 	unsigned long last_index;
@@ -673,8 +673,7 @@ static ssize_t gfs2_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
 {
 	struct file *file = iocb->ki_filp;
 	size_t writesize = iov_length(iov, nr_segs);
-	struct dentry *dentry = file->f_dentry;
-	struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
+	struct gfs2_inode *ip = GFS2_I(file_inode(file));
 	int ret;
 
 	ret = gfs2_rs_alloc(ip);
@@ -772,7 +771,7 @@ static void calc_max_reserv(struct gfs2_inode *ip, loff_t max, loff_t *len,
 static long gfs2_fallocate(struct file *file, int mode, loff_t offset,
 			   loff_t len)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct gfs2_sbd *sdp = GFS2_SB(inode);
 	struct gfs2_inode *ip = GFS2_I(inode);
 	unsigned int data_blocks = 0, ind_blocks = 0, rblocks;
@@ -938,7 +937,7 @@ static int do_flock(struct file *file, int cmd, struct file_lock *fl)
 {
 	struct gfs2_file *fp = file->private_data;
 	struct gfs2_holder *fl_gh = &fp->f_fl_gh;
-	struct gfs2_inode *ip = GFS2_I(file->f_path.dentry->d_inode);
+	struct gfs2_inode *ip = GFS2_I(file_inode(file));
 	struct gfs2_glock *gl;
 	unsigned int state;
 	int flags;
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 52c2aeaf45c..d1f51fd73f8 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -1257,7 +1257,7 @@ fail:
 
 int gfs2_fitrim(struct file *filp, void __user *argp)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct gfs2_sbd *sdp = GFS2_SB(inode);
 	struct request_queue *q = bdev_get_queue(sdp->sd_vfs->s_bdev);
 	struct buffer_head *bh;
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 597a612834d..aa5c4804496 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -103,7 +103,7 @@ static ssize_t freeze_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
 	int n = simple_strtol(buf, NULL, 0);
 
 	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
+		return -EPERM;
 
 	switch (n) {
 	case 0:
@@ -133,7 +133,7 @@ static ssize_t withdraw_show(struct gfs2_sbd *sdp, char *buf)
 static ssize_t withdraw_store(struct gfs2_sbd *sdp, const char *buf, size_t len)
 {
 	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
+		return -EPERM;
 
 	if (simple_strtol(buf, NULL, 0) != 1)
 		return -EINVAL;
@@ -148,7 +148,7 @@ static ssize_t statfs_sync_store(struct gfs2_sbd *sdp, const char *buf,
 				 size_t len)
 {
 	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
+		return -EPERM;
 
 	if (simple_strtol(buf, NULL, 0) != 1)
 		return -EINVAL;
@@ -161,7 +161,7 @@ static ssize_t quota_sync_store(struct gfs2_sbd *sdp, const char *buf,
 				size_t len)
 {
 	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
+		return -EPERM;
 
 	if (simple_strtol(buf, NULL, 0) != 1)
 		return -EINVAL;
@@ -178,7 +178,7 @@ static ssize_t quota_refresh_user_store(struct gfs2_sbd *sdp, const char *buf,
 	u32 id;
 
 	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
+		return -EPERM;
 
 	id = simple_strtoul(buf, NULL, 0);
 
@@ -198,7 +198,7 @@ static ssize_t quota_refresh_group_store(struct gfs2_sbd *sdp, const char *buf,
 	u32 id;
 
 	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
+		return -EPERM;
 
 	id = simple_strtoul(buf, NULL, 0);
 
@@ -221,7 +221,7 @@ static ssize_t demote_rq_store(struct gfs2_sbd *sdp, const char *buf, size_t len
 	int rv;
 
 	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
+		return -EPERM;
 
 	rv = sscanf(buf, "%u:%llu %15s", &gltype, &glnum,
 		    mode);
@@ -532,7 +532,7 @@ static ssize_t quota_scale_store(struct gfs2_sbd *sdp, const char *buf,
 	unsigned int x, y;
 
 	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
+		return -EPERM;
 
 	if (sscanf(buf, "%u %u", &x, &y) != 2 || !y)
 		return -EINVAL;
@@ -551,7 +551,7 @@ static ssize_t tune_set(struct gfs2_sbd *sdp, unsigned int *field,
 	unsigned int x;
 
 	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
+		return -EPERM;
 
 	x = simple_strtoul(buf, NULL, 0);
 
diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c
index 422dde2ec0a..5f7f1abd5f6 100644
--- a/fs/hfs/dir.c
+++ b/fs/hfs/dir.c
@@ -51,7 +51,7 @@ done:
  */
 static int hfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	int len, err;
 	char strbuf[HFS_MAX_NAMELEN];
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index d47f11658c1..3031dfdd235 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -128,7 +128,7 @@ static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb,
 {
 	struct file *file = iocb->ki_filp;
 	struct address_space *mapping = file->f_mapping;
-	struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host;
+	struct inode *inode = file_inode(file)->i_mapping->host;
 	ssize_t ret;
 
 	ret = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs,
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index 6b9f921ef2f..074e0458924 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -122,7 +122,7 @@ fail:
 
 static int hfsplus_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	int len, err;
 	char strbuf[HFSPLUS_MAX_STRLEN + 1];
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 799b336b59f..dcd05be5344 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -124,7 +124,7 @@ static ssize_t hfsplus_direct_IO(int rw, struct kiocb *iocb,
 {
 	struct file *file = iocb->ki_filp;
 	struct address_space *mapping = file->f_mapping;
-	struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host;
+	struct inode *inode = file_inode(file)->i_mapping->host;
 	ssize_t ret;
 
 	ret = blockdev_direct_IO(rw, iocb, inode, iov, offset, nr_segs,
diff --git a/fs/hfsplus/ioctl.c b/fs/hfsplus/ioctl.c
index 09addc8615f..e3c4c420942 100644
--- a/fs/hfsplus/ioctl.c
+++ b/fs/hfsplus/ioctl.c
@@ -59,7 +59,7 @@ static int hfsplus_ioctl_bless(struct file *file, int __user *user_flags)
 
 static int hfsplus_ioctl_getflags(struct file *file, int __user *user_flags)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
 	unsigned int flags = 0;
 
@@ -75,7 +75,7 @@ static int hfsplus_ioctl_getflags(struct file *file, int __user *user_flags)
 
 static int hfsplus_ioctl_setflags(struct file *file, int __user *user_flags)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct hfsplus_inode_info *hip = HFSPLUS_I(inode);
 	unsigned int flags;
 	int err = 0;
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 457addc5c91..fbabb906066 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -30,7 +30,7 @@ static inline struct hostfs_inode_info *HOSTFS_I(struct inode *inode)
 	return list_entry(inode, struct hostfs_inode_info, vfs_inode);
 }
 
-#define FILE_HOSTFS_I(file) HOSTFS_I((file)->f_path.dentry->d_inode)
+#define FILE_HOSTFS_I(file) HOSTFS_I(file_inode(file))
 
 static int hostfs_d_delete(const struct dentry *dentry)
 {
@@ -861,14 +861,6 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
 }
 
 static const struct inode_operations hostfs_iops = {
-	.create		= hostfs_create,
-	.link		= hostfs_link,
-	.unlink		= hostfs_unlink,
-	.symlink	= hostfs_symlink,
-	.mkdir		= hostfs_mkdir,
-	.rmdir		= hostfs_rmdir,
-	.mknod		= hostfs_mknod,
-	.rename		= hostfs_rename,
 	.permission	= hostfs_permission,
 	.setattr	= hostfs_setattr,
 };
diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c
index 78e12b2e0ea..546f6d39713 100644
--- a/fs/hpfs/dir.c
+++ b/fs/hpfs/dir.c
@@ -25,7 +25,7 @@ static loff_t hpfs_dir_lseek(struct file *filp, loff_t off, int whence)
 	loff_t new_off = off + (whence == 1 ? filp->f_pos : 0);
 	loff_t pos;
 	struct quad_buffer_head qbh;
-	struct inode *i = filp->f_path.dentry->d_inode;
+	struct inode *i = file_inode(filp);
 	struct hpfs_inode_info *hpfs_inode = hpfs_i(i);
 	struct super_block *s = i->i_sb;
 
@@ -57,7 +57,7 @@ fail:
 
 static int hpfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct hpfs_inode_info *hpfs_inode = hpfs_i(inode);
 	struct quad_buffer_head qbh;
 	struct hpfs_dirent *de;
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index fbfe2df5624..9f9dbeceeee 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -152,7 +152,7 @@ static ssize_t hpfs_file_write(struct file *file, const char __user *buf,
 	retval = do_sync_write(file, buf, count, ppos);
 	if (retval > 0) {
 		hpfs_lock(file->f_path.dentry->d_sb);
-		hpfs_i(file->f_path.dentry->d_inode)->i_dirty = 1;
+		hpfs_i(file_inode(file))->i_dirty = 1;
 		hpfs_unlock(file->f_path.dentry->d_sb);
 	}
 	return retval;
diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c
index 43b315f2002..74f55703be4 100644
--- a/fs/hppfs/hppfs.c
+++ b/fs/hppfs/hppfs.c
@@ -180,7 +180,7 @@ static ssize_t read_proc(struct file *file, char __user *buf, ssize_t count,
 	ssize_t (*read)(struct file *, char __user *, size_t, loff_t *);
 	ssize_t n;
 
-	read = file->f_path.dentry->d_inode->i_fop->read;
+	read = file_inode(file)->i_fop->read;
 
 	if (!is_user)
 		set_fs(KERNEL_DS);
@@ -288,7 +288,7 @@ static ssize_t hppfs_write(struct file *file, const char __user *buf,
 	struct file *proc_file = data->proc_file;
 	ssize_t (*write)(struct file *, const char __user *, size_t, loff_t *);
 
-	write = proc_file->f_path.dentry->d_inode->i_fop->write;
+	write = file_inode(proc_file)->i_fop->write;
 	return (*write)(proc_file, buf, len, ppos);
 }
 
@@ -513,7 +513,7 @@ static loff_t hppfs_llseek(struct file *file, loff_t off, int where)
 	loff_t (*llseek)(struct file *, loff_t, int);
 	loff_t ret;
 
-	llseek = proc_file->f_path.dentry->d_inode->i_fop->llseek;
+	llseek = file_inode(proc_file)->i_fop->llseek;
 	if (llseek != NULL) {
 		ret = (*llseek)(proc_file, off, where);
 		if (ret < 0)
@@ -561,7 +561,7 @@ static int hppfs_readdir(struct file *file, void *ent, filldir_t filldir)
 				      });
 	int err;
 
-	readdir = proc_file->f_path.dentry->d_inode->i_fop->readdir;
+	readdir = file_inode(proc_file)->i_fop->readdir;
 
 	proc_file->f_pos = file->f_pos;
 	err = (*readdir)(proc_file, &dirent, hppfs_filldir);
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 78bde32ea95..7f94e0cbc69 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -97,7 +97,7 @@ static void huge_pagevec_release(struct pagevec *pvec)
 
 static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	loff_t len, vma_len;
 	int ret;
 	struct hstate *h = hstate_file(file);
@@ -918,16 +918,25 @@ static int get_hstate_idx(int page_size_log)
 	return h - hstates;
 }
 
+static char *hugetlb_dname(struct dentry *dentry, char *buffer, int buflen)
+{
+	return dynamic_dname(dentry, buffer, buflen, "/%s (deleted)",
+				dentry->d_name.name);
+}
+
+static struct dentry_operations anon_ops = {
+	.d_dname = hugetlb_dname
+};
+
 struct file *hugetlb_file_setup(const char *name, unsigned long addr,
 				size_t size, vm_flags_t acctflag,
 				struct user_struct **user,
 				int creat_flags, int page_size_log)
 {
-	int error = -ENOMEM;
-	struct file *file;
+	struct file *file = ERR_PTR(-ENOMEM);
 	struct inode *inode;
 	struct path path;
-	struct dentry *root;
+	struct super_block *sb;
 	struct qstr quick_string;
 	struct hstate *hstate;
 	unsigned long num_pages;
@@ -955,17 +964,18 @@ struct file *hugetlb_file_setup(const char *name, unsigned long addr,
 		}
 	}
 
-	root = hugetlbfs_vfsmount[hstate_idx]->mnt_root;
+	sb = hugetlbfs_vfsmount[hstate_idx]->mnt_sb;
 	quick_string.name = name;
 	quick_string.len = strlen(quick_string.name);
 	quick_string.hash = 0;
-	path.dentry = d_alloc(root, &quick_string);
+	path.dentry = d_alloc_pseudo(sb, &quick_string);
 	if (!path.dentry)
 		goto out_shm_unlock;
 
+	d_set_d_op(path.dentry, &anon_ops);
 	path.mnt = mntget(hugetlbfs_vfsmount[hstate_idx]);
-	error = -ENOSPC;
-	inode = hugetlbfs_get_inode(root->d_sb, NULL, S_IFREG | S_IRWXUGO, 0);
+	file = ERR_PTR(-ENOSPC);
+	inode = hugetlbfs_get_inode(sb, NULL, S_IFREG | S_IRWXUGO, 0);
 	if (!inode)
 		goto out_dentry;
 
@@ -973,7 +983,7 @@ struct file *hugetlb_file_setup(const char *name, unsigned long addr,
 	size += addr & ~huge_page_mask(hstate);
 	num_pages = ALIGN(size, huge_page_size(hstate)) >>
 			huge_page_shift(hstate);
-	error = -ENOMEM;
+	file = ERR_PTR(-ENOMEM);
 	if (hugetlb_reserve_pages(inode, 0, num_pages, NULL, acctflag))
 		goto out_inode;
 
@@ -981,10 +991,9 @@ struct file *hugetlb_file_setup(const char *name, unsigned long addr,
 	inode->i_size = size;
 	clear_nlink(inode);
 
-	error = -ENFILE;
 	file = alloc_file(&path, FMODE_WRITE | FMODE_READ,
 			&hugetlbfs_file_operations);
-	if (!file)
+	if (IS_ERR(file))
 		goto out_dentry; /* inode is already attached */
 
 	return file;
@@ -998,7 +1007,7 @@ out_shm_unlock:
 		user_shm_unlock(size, *user);
 		*user = NULL;
 	}
-	return ERR_PTR(error);
+	return file;
 }
 
 static int __init init_hugetlbfs_fs(void)
diff --git a/fs/inode.c b/fs/inode.c
index 14084b72b25..67880e60439 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1655,7 +1655,7 @@ EXPORT_SYMBOL(file_remove_suid);
 
 int file_update_time(struct file *file)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct timespec now;
 	int sync_it = 0;
 	int ret;
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 3bdad6d1f26..fd507fb460f 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -175,7 +175,7 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg)
 	struct fiemap fiemap;
 	struct fiemap __user *ufiemap = (struct fiemap __user *) arg;
 	struct fiemap_extent_info fieinfo = { 0, };
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	u64 len;
 	int error;
@@ -424,7 +424,7 @@ EXPORT_SYMBOL(generic_block_fiemap);
  */
 int ioctl_preallocate(struct file *filp, void __user *argp)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct space_resv sr;
 
 	if (copy_from_user(&sr, argp, sizeof(sr)))
@@ -449,7 +449,7 @@ int ioctl_preallocate(struct file *filp, void __user *argp)
 static int file_ioctl(struct file *filp, unsigned int cmd,
 		unsigned long arg)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	int __user *p = (int __user *)arg;
 
 	switch (cmd) {
@@ -512,7 +512,7 @@ static int ioctl_fioasync(unsigned int fd, struct file *filp,
 
 static int ioctl_fsfreeze(struct file *filp)
 {
-	struct super_block *sb = filp->f_path.dentry->d_inode->i_sb;
+	struct super_block *sb = file_inode(filp)->i_sb;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
@@ -527,7 +527,7 @@ static int ioctl_fsfreeze(struct file *filp)
 
 static int ioctl_fsthaw(struct file *filp)
 {
-	struct super_block *sb = filp->f_path.dentry->d_inode->i_sb;
+	struct super_block *sb = file_inode(filp)->i_sb;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
@@ -548,7 +548,7 @@ int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
 {
 	int error = 0;
 	int __user *argp = (int __user *)arg;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 
 	switch (cmd) {
 	case FIOCLEX:
diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c
index 0b3fa7974fa..592e5115a56 100644
--- a/fs/isofs/compress.c
+++ b/fs/isofs/compress.c
@@ -296,7 +296,7 @@ static int zisofs_fill_pages(struct inode *inode, int full_page, int pcount,
  */
 static int zisofs_readpage(struct file *file, struct page *page)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct address_space *mapping = inode->i_mapping;
 	int err;
 	int i, pcount, full_page;
diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c
index f20437c068a..a7d5c3c3d4e 100644
--- a/fs/isofs/dir.c
+++ b/fs/isofs/dir.c
@@ -253,7 +253,7 @@ static int isofs_readdir(struct file *filp,
 	int result;
 	char *tmpname;
 	struct iso_directory_record *tmpde;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 
 	tmpname = (char *)__get_free_page(GFP_KERNEL);
 	if (tmpname == NULL)
diff --git a/fs/isofs/export.c b/fs/isofs/export.c
index 2b4f2358ead..12088d8de3f 100644
--- a/fs/isofs/export.c
+++ b/fs/isofs/export.c
@@ -125,10 +125,10 @@ isofs_export_encode_fh(struct inode *inode,
 	 */
 	if (parent && (len < 5)) {
 		*max_len = 5;
-		return 255;
+		return FILEID_INVALID;
 	} else if (len < 3) {
 		*max_len = 3;
-		return 255;
+		return FILEID_INVALID;
 	}
 
 	len = 3;
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index ad7774d3209..acd46a4160c 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -117,12 +117,12 @@ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target,
 static int jffs2_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
 	struct jffs2_inode_info *f;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct jffs2_full_dirent *fd;
 	unsigned long offset, curofs;
 
 	jffs2_dbg(1, "jffs2_readdir() for dir_i #%lu\n",
-		  filp->f_path.dentry->d_inode->i_ino);
+		  file_inode(filp)->i_ino);
 
 	f = JFFS2_INODE_INFO(inode);
 
diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c
index bc555ff417e..93a1232894f 100644
--- a/fs/jfs/ioctl.c
+++ b/fs/jfs/ioctl.c
@@ -58,7 +58,7 @@ static long jfs_map_ext2(unsigned long flags, int from)
 
 long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct jfs_inode_info *jfs_inode = JFS_IP(inode);
 	unsigned int flags;
 
diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index 9197a1b0d02..0ddbeceafc6 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -3004,7 +3004,7 @@ static inline struct jfs_dirent *next_jfs_dirent(struct jfs_dirent *dirent)
  */
 int jfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *ip = filp->f_path.dentry->d_inode;
+	struct inode *ip = file_inode(filp);
 	struct nls_table *codepage = JFS_SBI(ip->i_sb)->nls_tab;
 	int rc = 0;
 	loff_t dtpos;	/* legacy OS/2 style position */
diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index ca0a0800144..a2717408c47 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -178,7 +178,7 @@ __be32 nlmclnt_grant(const struct sockaddr *addr, const struct nlm_lock *lock)
 			continue;
 		if (!rpc_cmp_addr(nlm_addr(block->b_host), addr))
 			continue;
-		if (nfs_compare_fh(NFS_FH(fl_blocked->fl_file->f_path.dentry->d_inode) ,fh) != 0)
+		if (nfs_compare_fh(NFS_FH(file_inode(fl_blocked->fl_file)) ,fh) != 0)
 			continue;
 		/* Alright, we found a lock. Set the return status
 		 * and wake up the caller
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 52e5120bb15..366277190b8 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -127,7 +127,7 @@ static void nlmclnt_setlockargs(struct nlm_rqst *req, struct file_lock *fl)
 	struct nlm_lock	*lock = &argp->lock;
 
 	nlmclnt_next_cookie(&argp->cookie);
-	memcpy(&lock->fh, NFS_FH(fl->fl_file->f_path.dentry->d_inode), sizeof(struct nfs_fh));
+	memcpy(&lock->fh, NFS_FH(file_inode(fl->fl_file)), sizeof(struct nfs_fh));
 	lock->caller  = utsname()->nodename;
 	lock->oh.data = req->a_owner;
 	lock->oh.len  = snprintf(req->a_owner, sizeof(req->a_owner), "%u@%s",
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index 8d80c990dff..e703318c41d 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -406,8 +406,8 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
 	__be32			ret;
 
 	dprintk("lockd: nlmsvc_lock(%s/%ld, ty=%d, pi=%d, %Ld-%Ld, bl=%d)\n",
-				file->f_file->f_path.dentry->d_inode->i_sb->s_id,
-				file->f_file->f_path.dentry->d_inode->i_ino,
+				file_inode(file->f_file)->i_sb->s_id,
+				file_inode(file->f_file)->i_ino,
 				lock->fl.fl_type, lock->fl.fl_pid,
 				(long long)lock->fl.fl_start,
 				(long long)lock->fl.fl_end,
@@ -513,8 +513,8 @@ nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
 	__be32			ret;
 
 	dprintk("lockd: nlmsvc_testlock(%s/%ld, ty=%d, %Ld-%Ld)\n",
-				file->f_file->f_path.dentry->d_inode->i_sb->s_id,
-				file->f_file->f_path.dentry->d_inode->i_ino,
+				file_inode(file->f_file)->i_sb->s_id,
+				file_inode(file->f_file)->i_ino,
 				lock->fl.fl_type,
 				(long long)lock->fl.fl_start,
 				(long long)lock->fl.fl_end);
@@ -606,8 +606,8 @@ nlmsvc_unlock(struct net *net, struct nlm_file *file, struct nlm_lock *lock)
 	int	error;
 
 	dprintk("lockd: nlmsvc_unlock(%s/%ld, pi=%d, %Ld-%Ld)\n",
-				file->f_file->f_path.dentry->d_inode->i_sb->s_id,
-				file->f_file->f_path.dentry->d_inode->i_ino,
+				file_inode(file->f_file)->i_sb->s_id,
+				file_inode(file->f_file)->i_ino,
 				lock->fl.fl_pid,
 				(long long)lock->fl.fl_start,
 				(long long)lock->fl.fl_end);
@@ -635,8 +635,8 @@ nlmsvc_cancel_blocked(struct net *net, struct nlm_file *file, struct nlm_lock *l
 	int status = 0;
 
 	dprintk("lockd: nlmsvc_cancel(%s/%ld, pi=%d, %Ld-%Ld)\n",
-				file->f_file->f_path.dentry->d_inode->i_sb->s_id,
-				file->f_file->f_path.dentry->d_inode->i_ino,
+				file_inode(file->f_file)->i_sb->s_id,
+				file_inode(file->f_file)->i_ino,
 				lock->fl.fl_pid,
 				(long long)lock->fl.fl_start,
 				(long long)lock->fl.fl_end);
diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
index 0deb5f6c9dd..b3a24b07d98 100644
--- a/fs/lockd/svcsubs.c
+++ b/fs/lockd/svcsubs.c
@@ -45,7 +45,7 @@ static inline void nlm_debug_print_fh(char *msg, struct nfs_fh *f)
 
 static inline void nlm_debug_print_file(char *msg, struct nlm_file *file)
 {
-	struct inode *inode = file->f_file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file->f_file);
 
 	dprintk("lockd: %s %s/%ld\n",
 		msg, inode->i_sb->s_id, inode->i_ino);
diff --git a/fs/locks.c b/fs/locks.c
index a94e331a52a..cb424a4fed7 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -334,7 +334,7 @@ static int flock_to_posix_lock(struct file *filp, struct file_lock *fl,
 		start = filp->f_pos;
 		break;
 	case SEEK_END:
-		start = i_size_read(filp->f_path.dentry->d_inode);
+		start = i_size_read(file_inode(filp));
 		break;
 	default:
 		return -EINVAL;
@@ -384,7 +384,7 @@ static int flock64_to_posix_lock(struct file *filp, struct file_lock *fl,
 		start = filp->f_pos;
 		break;
 	case SEEK_END:
-		start = i_size_read(filp->f_path.dentry->d_inode);
+		start = i_size_read(file_inode(filp));
 		break;
 	default:
 		return -EINVAL;
@@ -627,7 +627,7 @@ posix_test_lock(struct file *filp, struct file_lock *fl)
 	struct file_lock *cfl;
 
 	lock_flocks();
-	for (cfl = filp->f_path.dentry->d_inode->i_flock; cfl; cfl = cfl->fl_next) {
+	for (cfl = file_inode(filp)->i_flock; cfl; cfl = cfl->fl_next) {
 		if (!IS_POSIX(cfl))
 			continue;
 		if (posix_locks_conflict(fl, cfl))
@@ -708,7 +708,7 @@ static int flock_lock_file(struct file *filp, struct file_lock *request)
 {
 	struct file_lock *new_fl = NULL;
 	struct file_lock **before;
-	struct inode * inode = filp->f_path.dentry->d_inode;
+	struct inode * inode = file_inode(filp);
 	int error = 0;
 	int found = 0;
 
@@ -1002,7 +1002,7 @@ static int __posix_lock_file(struct inode *inode, struct file_lock *request, str
 int posix_lock_file(struct file *filp, struct file_lock *fl,
 			struct file_lock *conflock)
 {
-	return __posix_lock_file(filp->f_path.dentry->d_inode, fl, conflock);
+	return __posix_lock_file(file_inode(filp), fl, conflock);
 }
 EXPORT_SYMBOL(posix_lock_file);
 
@@ -1326,8 +1326,8 @@ int fcntl_getlease(struct file *filp)
 	int type = F_UNLCK;
 
 	lock_flocks();
-	time_out_leases(filp->f_path.dentry->d_inode);
-	for (fl = filp->f_path.dentry->d_inode->i_flock; fl && IS_LEASE(fl);
+	time_out_leases(file_inode(filp));
+	for (fl = file_inode(filp)->i_flock; fl && IS_LEASE(fl);
 			fl = fl->fl_next) {
 		if (fl->fl_file == filp) {
 			type = target_leasetype(fl);
@@ -1843,7 +1843,7 @@ int fcntl_setlk(unsigned int fd, struct file *filp, unsigned int cmd,
 	if (copy_from_user(&flock, l, sizeof(flock)))
 		goto out;
 
-	inode = filp->f_path.dentry->d_inode;
+	inode = file_inode(filp);
 
 	/* Don't allow mandatory locks on files that may be memory mapped
 	 * and shared.
@@ -1961,7 +1961,7 @@ int fcntl_setlk64(unsigned int fd, struct file *filp, unsigned int cmd,
 	if (copy_from_user(&flock, l, sizeof(flock)))
 		goto out;
 
-	inode = filp->f_path.dentry->d_inode;
+	inode = file_inode(filp);
 
 	/* Don't allow mandatory locks on files that may be memory mapped
 	 * and shared.
@@ -2030,7 +2030,7 @@ void locks_remove_posix(struct file *filp, fl_owner_t owner)
 	 * posix_lock_file().  Another process could be setting a lock on this
 	 * file at the same time, but we wouldn't remove that lock anyway.
 	 */
-	if (!filp->f_path.dentry->d_inode->i_flock)
+	if (!file_inode(filp)->i_flock)
 		return;
 
 	lock.fl_type = F_UNLCK;
@@ -2056,7 +2056,7 @@ EXPORT_SYMBOL(locks_remove_posix);
  */
 void locks_remove_flock(struct file *filp)
 {
-	struct inode * inode = filp->f_path.dentry->d_inode;
+	struct inode * inode = file_inode(filp);
 	struct file_lock *fl;
 	struct file_lock **before;
 
@@ -2152,7 +2152,7 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl,
 		fl_pid = fl->fl_pid;
 
 	if (fl->fl_file != NULL)
-		inode = fl->fl_file->f_path.dentry->d_inode;
+		inode = file_inode(fl->fl_file);
 
 	seq_printf(f, "%lld:%s ", id, pfx);
 	if (IS_POSIX(fl)) {
diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c
index 26e4a941532..b8275108211 100644
--- a/fs/logfs/dir.c
+++ b/fs/logfs/dir.c
@@ -284,7 +284,7 @@ static int logfs_rmdir(struct inode *dir, struct dentry *dentry)
 #define IMPLICIT_NODES 2
 static int __logfs_readdir(struct file *file, void *buf, filldir_t filldir)
 {
-	struct inode *dir = file->f_dentry->d_inode;
+	struct inode *dir = file_inode(file);
 	loff_t pos = file->f_pos - IMPLICIT_NODES;
 	struct page *page;
 	struct logfs_disk_dentry *dd;
@@ -320,7 +320,7 @@ static int __logfs_readdir(struct file *file, void *buf, filldir_t filldir)
 
 static int logfs_readdir(struct file *file, void *buf, filldir_t filldir)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	ino_t pino = parent_ino(file->f_dentry);
 	int err;
 
diff --git a/fs/logfs/file.c b/fs/logfs/file.c
index 3886cded283..c2219a6dd3c 100644
--- a/fs/logfs/file.c
+++ b/fs/logfs/file.c
@@ -183,7 +183,7 @@ static int logfs_releasepage(struct page *page, gfp_t only_xfs_uses_this)
 
 long logfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct logfs_inode *li = logfs_inode(inode);
 	unsigned int oldflags, flags;
 	int err;
diff --git a/fs/minix/dir.c b/fs/minix/dir.c
index 685b2d981b8..a9ed6f36e6e 100644
--- a/fs/minix/dir.c
+++ b/fs/minix/dir.c
@@ -85,7 +85,7 @@ static inline void *minix_next_entry(void *de, struct minix_sb_info *sbi)
 static int minix_readdir(struct file * filp, void * dirent, filldir_t filldir)
 {
 	unsigned long pos = filp->f_pos;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	unsigned offset = pos & ~PAGE_CACHE_MASK;
 	unsigned long n = pos >> PAGE_CACHE_SHIFT;
diff --git a/fs/namei.c b/fs/namei.c
index 43a97ee1d4c..dc984fee553 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -600,14 +600,10 @@ static int complete_walk(struct nameidata *nd)
 	if (likely(!(nd->flags & LOOKUP_JUMPED)))
 		return 0;
 
-	if (likely(!(dentry->d_flags & DCACHE_OP_REVALIDATE)))
+	if (likely(!(dentry->d_flags & DCACHE_OP_WEAK_REVALIDATE)))
 		return 0;
 
-	if (likely(!(dentry->d_sb->s_type->fs_flags & FS_REVAL_DOT)))
-		return 0;
-
-	/* Note: we do not d_invalidate() */
-	status = d_revalidate(dentry, nd->flags);
+	status = dentry->d_op->d_weak_revalidate(dentry, nd->flags);
 	if (status > 0)
 		return 0;
 
@@ -1342,7 +1338,7 @@ static struct dentry *__lookup_hash(struct qstr *name,
  *  small and for now I'd prefer to have fast path as straight as possible.
  *  It _is_ time-critical.
  */
-static int lookup_fast(struct nameidata *nd, struct qstr *name,
+static int lookup_fast(struct nameidata *nd,
 		       struct path *path, struct inode **inode)
 {
 	struct vfsmount *mnt = nd->path.mnt;
@@ -1358,7 +1354,7 @@ static int lookup_fast(struct nameidata *nd, struct qstr *name,
 	 */
 	if (nd->flags & LOOKUP_RCU) {
 		unsigned seq;
-		dentry = __d_lookup_rcu(parent, name, &seq, nd->inode);
+		dentry = __d_lookup_rcu(parent, &nd->last, &seq, nd->inode);
 		if (!dentry)
 			goto unlazy;
 
@@ -1400,7 +1396,7 @@ unlazy:
 		if (unlazy_walk(nd, dentry))
 			return -ECHILD;
 	} else {
-		dentry = __d_lookup(parent, name);
+		dentry = __d_lookup(parent, &nd->last);
 	}
 
 	if (unlikely(!dentry))
@@ -1436,8 +1432,7 @@ need_lookup:
 }
 
 /* Fast lookup failed, do it the slow way */
-static int lookup_slow(struct nameidata *nd, struct qstr *name,
-		       struct path *path)
+static int lookup_slow(struct nameidata *nd, struct path *path)
 {
 	struct dentry *dentry, *parent;
 	int err;
@@ -1446,7 +1441,7 @@ static int lookup_slow(struct nameidata *nd, struct qstr *name,
 	BUG_ON(nd->inode != parent->d_inode);
 
 	mutex_lock(&parent->d_inode->i_mutex);
-	dentry = __lookup_hash(name, parent, nd->flags);
+	dentry = __lookup_hash(&nd->last, parent, nd->flags);
 	mutex_unlock(&parent->d_inode->i_mutex);
 	if (IS_ERR(dentry))
 		return PTR_ERR(dentry);
@@ -1519,7 +1514,7 @@ static inline int should_follow_link(struct inode *inode, int follow)
 }
 
 static inline int walk_component(struct nameidata *nd, struct path *path,
-		struct qstr *name, int type, int follow)
+		int follow)
 {
 	struct inode *inode;
 	int err;
@@ -1528,14 +1523,14 @@ static inline int walk_component(struct nameidata *nd, struct path *path,
 	 * to be able to know about the current root directory and
 	 * parent relationships.
 	 */
-	if (unlikely(type != LAST_NORM))
-		return handle_dots(nd, type);
-	err = lookup_fast(nd, name, path, &inode);
+	if (unlikely(nd->last_type != LAST_NORM))
+		return handle_dots(nd, nd->last_type);
+	err = lookup_fast(nd, path, &inode);
 	if (unlikely(err)) {
 		if (err < 0)
 			goto out_err;
 
-		err = lookup_slow(nd, name, path);
+		err = lookup_slow(nd, path);
 		if (err < 0)
 			goto out_err;
 
@@ -1594,8 +1589,7 @@ static inline int nested_symlink(struct path *path, struct nameidata *nd)
 		res = follow_link(&link, nd, &cookie);
 		if (res)
 			break;
-		res = walk_component(nd, path, &nd->last,
-				     nd->last_type, LOOKUP_FOLLOW);
+		res = walk_component(nd, path, LOOKUP_FOLLOW);
 		put_link(nd, &link, cookie);
 	} while (res > 0);
 
@@ -1802,8 +1796,11 @@ static int link_path_walk(const char *name, struct nameidata *nd)
 			}
 		}
 
+		nd->last = this;
+		nd->last_type = type;
+
 		if (!name[len])
-			goto last_component;
+			return 0;
 		/*
 		 * If it wasn't NUL, we know it was '/'. Skip that
 		 * slash, and continue until no more slashes.
@@ -1812,10 +1809,11 @@ static int link_path_walk(const char *name, struct nameidata *nd)
 			len++;
 		} while (unlikely(name[len] == '/'));
 		if (!name[len])
-			goto last_component;
+			return 0;
+
 		name += len;
 
-		err = walk_component(nd, &next, &this, type, LOOKUP_FOLLOW);
+		err = walk_component(nd, &next, LOOKUP_FOLLOW);
 		if (err < 0)
 			return err;
 
@@ -1824,16 +1822,10 @@ static int link_path_walk(const char *name, struct nameidata *nd)
 			if (err)
 				return err;
 		}
-		if (can_lookup(nd->inode))
-			continue;
-		err = -ENOTDIR; 
-		break;
-		/* here ends the main loop */
-
-last_component:
-		nd->last = this;
-		nd->last_type = type;
-		return 0;
+		if (!can_lookup(nd->inode)) {
+			err = -ENOTDIR; 
+			break;
+		}
 	}
 	terminate_walk(nd);
 	return err;
@@ -1932,8 +1924,7 @@ static inline int lookup_last(struct nameidata *nd, struct path *path)
 		nd->flags |= LOOKUP_FOLLOW | LOOKUP_DIRECTORY;
 
 	nd->flags &= ~LOOKUP_PARENT;
-	return walk_component(nd, path, &nd->last, nd->last_type,
-					nd->flags & LOOKUP_FOLLOW);
+	return walk_component(nd, path, nd->flags & LOOKUP_FOLLOW);
 }
 
 /* Returns 0 and nd will be valid on success; Retuns error, otherwise. */
@@ -2732,7 +2723,7 @@ static int do_last(struct nameidata *nd, struct path *path,
 		if (open_flag & O_PATH && !(nd->flags & LOOKUP_FOLLOW))
 			symlink_ok = true;
 		/* we _can_ be in RCU mode here */
-		error = lookup_fast(nd, &nd->last, path, &inode);
+		error = lookup_fast(nd, path, &inode);
 		if (likely(!error))
 			goto finish_lookup;
 
@@ -2778,7 +2769,7 @@ retry_lookup:
 			goto out;
 
 		if ((*opened & FILE_CREATED) ||
-		    !S_ISREG(file->f_path.dentry->d_inode->i_mode))
+		    !S_ISREG(file_inode(file)->i_mode))
 			will_truncate = false;
 
 		audit_inode(name, file->f_path.dentry, 0);
@@ -2941,8 +2932,8 @@ static struct file *path_openat(int dfd, struct filename *pathname,
 	int error;
 
 	file = get_empty_filp();
-	if (!file)
-		return ERR_PTR(-ENFILE);
+	if (IS_ERR(file))
+		return file;
 
 	file->f_flags = op->open_flag;
 
diff --git a/fs/namespace.c b/fs/namespace.c
index edac42c6eff..50ca17d3cb4 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -384,7 +384,7 @@ EXPORT_SYMBOL_GPL(mnt_clone_write);
  */
 int __mnt_want_write_file(struct file *file)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 
 	if (!(file->f_mode & FMODE_WRITE) || special_file(inode->i_mode))
 		return __mnt_want_write(file->f_path.mnt);
@@ -1300,24 +1300,6 @@ SYSCALL_DEFINE1(oldumount, char __user *, name)
 
 #endif
 
-static int mount_is_safe(struct path *path)
-{
-	if (may_mount())
-		return 0;
-	return -EPERM;
-#ifdef notyet
-	if (S_ISLNK(path->dentry->d_inode->i_mode))
-		return -EPERM;
-	if (path->dentry->d_inode->i_mode & S_ISVTX) {
-		if (current_uid() != path->dentry->d_inode->i_uid)
-			return -EPERM;
-	}
-	if (inode_permission(path->dentry->d_inode, MAY_WRITE))
-		return -EPERM;
-	return 0;
-#endif
-}
-
 static bool mnt_ns_loop(struct path *path)
 {
 	/* Could bind mounting the mount namespace inode cause a
@@ -1640,9 +1622,6 @@ static int do_change_type(struct path *path, int flag)
 	int type;
 	int err = 0;
 
-	if (!may_mount())
-		return -EPERM;
-
 	if (path->dentry != path->mnt->mnt_root)
 		return -EINVAL;
 
@@ -1676,9 +1655,7 @@ static int do_loopback(struct path *path, const char *old_name,
 	LIST_HEAD(umount_list);
 	struct path old_path;
 	struct mount *mnt = NULL, *old;
-	int err = mount_is_safe(path);
-	if (err)
-		return err;
+	int err;
 	if (!old_name || !*old_name)
 		return -EINVAL;
 	err = kern_path(old_name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &old_path);
@@ -1755,9 +1732,6 @@ static int do_remount(struct path *path, int flags, int mnt_flags,
 	struct super_block *sb = path->mnt->mnt_sb;
 	struct mount *mnt = real_mount(path->mnt);
 
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
-
 	if (!check_mnt(mnt))
 		return -EINVAL;
 
@@ -1771,6 +1745,8 @@ static int do_remount(struct path *path, int flags, int mnt_flags,
 	down_write(&sb->s_umount);
 	if (flags & MS_BIND)
 		err = change_mount_flags(path->mnt, flags);
+	else if (!capable(CAP_SYS_ADMIN))
+		err = -EPERM;
 	else
 		err = do_remount_sb(sb, flags, data, 0);
 	if (!err) {
@@ -1803,9 +1779,7 @@ static int do_move_mount(struct path *path, const char *old_name)
 	struct path old_path, parent_path;
 	struct mount *p;
 	struct mount *old;
-	int err = 0;
-	if (!may_mount())
-		return -EPERM;
+	int err;
 	if (!old_name || !*old_name)
 		return -EINVAL;
 	err = kern_path(old_name, LOOKUP_FOLLOW, &old_path);
@@ -1947,9 +1921,6 @@ static int do_new_mount(struct path *path, const char *fstype, int flags,
 	if (!fstype)
 		return -EINVAL;
 
-	if (!may_mount())
-		return -EPERM;
-
 	type = get_fs_type(fstype);
 	if (!type)
 		return -ENODEV;
@@ -2263,6 +2234,9 @@ long do_mount(const char *dev_name, const char *dir_name,
 	if (retval)
 		goto dput_out;
 
+	if (!may_mount())
+		return -EPERM;
+
 	/* Default to relatime unless overriden */
 	if (!(flags & MS_NOATIME))
 		mnt_flags |= MNT_RELATIME;
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index 4117e7b377b..81632609365 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -593,14 +593,10 @@ ncp_fill_cache(struct file *filp, void *dirent, filldir_t filldir,
 		return 1; /* I'm not sure */
 
 	qname.name = __name;
-	qname.hash = full_name_hash(qname.name, qname.len);
-
-	if (dentry->d_op && dentry->d_op->d_hash)
-		if (dentry->d_op->d_hash(dentry, dentry->d_inode, &qname) != 0)
-			goto end_advance;
-
-	newdent = d_lookup(dentry, &qname);
 
+	newdent = d_hash_and_lookup(dentry, &qname);
+	if (unlikely(IS_ERR(newdent)))
+		goto end_advance;
 	if (!newdent) {
 		newdent = d_alloc(dentry, &qname);
 		if (!newdent)
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index e2be336d1c2..7dafd6899a6 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -538,7 +538,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 	if (!ncp_filp)
 		goto out;
 	error = -ENOTSOCK;
-	sock_inode = ncp_filp->f_path.dentry->d_inode;
+	sock_inode = file_inode(ncp_filp);
 	if (!S_ISSOCK(sock_inode->i_mode))
 		goto out_fput;
 	sock = SOCKET_I(sock_inode);
@@ -577,7 +577,7 @@ static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent)
 		if (!server->info_filp)
 			goto out_bdi;
 		error = -ENOTSOCK;
-		sock_inode = server->info_filp->f_path.dentry->d_inode;
+		sock_inode = file_inode(server->info_filp);
 		if (!S_ISSOCK(sock_inode->i_mode))
 			goto out_fput2;
 		info_sock = SOCKET_I(sock_inode);
diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c
index d44318d2750..60426ccb3b6 100644
--- a/fs/ncpfs/ioctl.c
+++ b/fs/ncpfs/ioctl.c
@@ -811,7 +811,7 @@ outrel:
 
 long ncp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct ncp_server *server = NCP_SERVER(inode);
 	kuid_t uid = current_uid();
 	int need_drop_write = 0;
@@ -822,7 +822,7 @@ long ncp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 	case NCP_IOC_CONN_LOGGED_IN:
 	case NCP_IOC_SETROOT:
 		if (!capable(CAP_SYS_ADMIN)) {
-			ret = -EACCES;
+			ret = -EPERM;
 			goto out;
 		}
 		break;
diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c
index 63d14a99483..ee24df5af1f 100644
--- a/fs/ncpfs/mmap.c
+++ b/fs/ncpfs/mmap.c
@@ -105,7 +105,7 @@ static const struct vm_operations_struct ncp_file_mmap =
 /* This is used for a general mmap of a ncp file */
 int ncp_mmap(struct file *file, struct vm_area_struct *vma)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	
 	DPRINTK("ncp_mmap: called\n");
 
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 1b2d7eb9379..f23f455be42 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -281,7 +281,7 @@ int nfs_readdir_search_for_cookie(struct nfs_cache_array *array, nfs_readdir_des
 
 	for (i = 0; i < array->size; i++) {
 		if (array->array[i].cookie == *desc->dir_cookie) {
-			struct nfs_inode *nfsi = NFS_I(desc->file->f_path.dentry->d_inode);
+			struct nfs_inode *nfsi = NFS_I(file_inode(desc->file));
 			struct nfs_open_dir_context *ctx = desc->file->private_data;
 
 			new_pos = desc->current_index + i;
@@ -629,7 +629,7 @@ out:
 static
 int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page* page)
 {
-	struct inode	*inode = desc->file->f_path.dentry->d_inode;
+	struct inode	*inode = file_inode(desc->file);
 	int ret;
 
 	ret = nfs_readdir_xdr_to_array(desc, page, inode);
@@ -660,7 +660,7 @@ void cache_page_release(nfs_readdir_descriptor_t *desc)
 static
 struct page *get_cache_page(nfs_readdir_descriptor_t *desc)
 {
-	return read_cache_page(desc->file->f_path.dentry->d_inode->i_mapping,
+	return read_cache_page(file_inode(desc->file)->i_mapping,
 			desc->page_index, (filler_t *)nfs_readdir_filler, desc);
 }
 
@@ -764,7 +764,7 @@ int uncached_readdir(nfs_readdir_descriptor_t *desc, void *dirent,
 {
 	struct page	*page = NULL;
 	int		status;
-	struct inode *inode = desc->file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(desc->file);
 	struct nfs_open_dir_context *ctx = desc->file->private_data;
 
 	dfprintk(DIRCACHE, "NFS: uncached_readdir() searching for cookie %Lu\n",
@@ -1136,6 +1136,45 @@ out_error:
 }
 
 /*
+ * A weaker form of d_revalidate for revalidating just the dentry->d_inode
+ * when we don't really care about the dentry name. This is called when a
+ * pathwalk ends on a dentry that was not found via a normal lookup in the
+ * parent dir (e.g.: ".", "..", procfs symlinks or mountpoint traversals).
+ *
+ * In this situation, we just want to verify that the inode itself is OK
+ * since the dentry might have changed on the server.
+ */
+static int nfs_weak_revalidate(struct dentry *dentry, unsigned int flags)
+{
+	int error;
+	struct inode *inode = dentry->d_inode;
+
+	/*
+	 * I believe we can only get a negative dentry here in the case of a
+	 * procfs-style symlink. Just assume it's correct for now, but we may
+	 * eventually need to do something more here.
+	 */
+	if (!inode) {
+		dfprintk(LOOKUPCACHE, "%s: %s/%s has negative inode\n",
+				__func__, dentry->d_parent->d_name.name,
+				dentry->d_name.name);
+		return 1;
+	}
+
+	if (is_bad_inode(inode)) {
+		dfprintk(LOOKUPCACHE, "%s: %s/%s has dud inode\n",
+				__func__, dentry->d_parent->d_name.name,
+				dentry->d_name.name);
+		return 0;
+	}
+
+	error = nfs_revalidate_inode(NFS_SERVER(inode), inode);
+	dfprintk(LOOKUPCACHE, "NFS: %s: inode %lu is %s\n",
+			__func__, inode->i_ino, error ? "invalid" : "valid");
+	return !error;
+}
+
+/*
  * This is called from dput() when d_count is going to 0.
  */
 static int nfs_dentry_delete(const struct dentry *dentry)
@@ -1202,6 +1241,7 @@ static void nfs_d_release(struct dentry *dentry)
 
 const struct dentry_operations nfs_dentry_operations = {
 	.d_revalidate	= nfs_lookup_revalidate,
+	.d_weak_revalidate	= nfs_weak_revalidate,
 	.d_delete	= nfs_dentry_delete,
 	.d_iput		= nfs_dentry_iput,
 	.d_automount	= nfs_d_automount,
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 3c2b893665b..29f4a48a0ee 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -292,7 +292,7 @@ static int
 nfs_file_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 {
 	int ret;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 
 	do {
 		ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
index b9623d19d59..dc0f98dfa71 100644
--- a/fs/nfs/idmap.c
+++ b/fs/nfs/idmap.c
@@ -765,7 +765,7 @@ out:
 static ssize_t
 idmap_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
 {
-	struct rpc_inode *rpci = RPC_I(filp->f_path.dentry->d_inode);
+	struct rpc_inode *rpci = RPC_I(file_inode(filp));
 	struct idmap *idmap = (struct idmap *)rpci->private;
 	struct key_construction *cons;
 	struct idmap_msg im;
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 468ba8bf0f5..b586fe9af47 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -711,7 +711,7 @@ EXPORT_SYMBOL_GPL(put_nfs_open_context);
  */
 void nfs_file_set_open_context(struct file *filp, struct nfs_open_context *ctx)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct nfs_inode *nfsi = NFS_I(inode);
 
 	filp->private_data = get_nfs_open_context(ctx);
@@ -744,7 +744,7 @@ struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_c
 
 static void nfs_file_clear_open_context(struct file *filp)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct nfs_open_context *ctx = nfs_file_open_context(filp);
 
 	if (ctx) {
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 70efb63b1e4..43ea96ced28 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -872,7 +872,7 @@ static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_mess
 static int
 nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 
 	return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl);
 }
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index 08ddcccb888..13e6bb3e3fe 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -94,7 +94,7 @@ static int
 nfs4_file_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 {
 	int ret;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 
 	do {
 		ret = filemap_write_and_wait_range(inode->i_mapping, start, end);
diff --git a/fs/nfs/nfs4super.c b/fs/nfs/nfs4super.c
index 84d2e9e2f31..569b166cc05 100644
--- a/fs/nfs/nfs4super.c
+++ b/fs/nfs/nfs4super.c
@@ -28,7 +28,7 @@ static struct file_system_type nfs4_remote_fs_type = {
 	.name		= "nfs4",
 	.mount		= nfs4_remote_mount,
 	.kill_sb	= nfs_kill_super,
-	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_REVAL_DOT|FS_BINARY_MOUNTDATA,
+	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_BINARY_MOUNTDATA,
 };
 
 static struct file_system_type nfs4_remote_referral_fs_type = {
@@ -36,7 +36,7 @@ static struct file_system_type nfs4_remote_referral_fs_type = {
 	.name		= "nfs4",
 	.mount		= nfs4_remote_referral_mount,
 	.kill_sb	= nfs_kill_super,
-	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_REVAL_DOT|FS_BINARY_MOUNTDATA,
+	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_BINARY_MOUNTDATA,
 };
 
 struct file_system_type nfs4_referral_fs_type = {
@@ -44,7 +44,7 @@ struct file_system_type nfs4_referral_fs_type = {
 	.name		= "nfs4",
 	.mount		= nfs4_referral_mount,
 	.kill_sb	= nfs_kill_super,
-	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_REVAL_DOT|FS_BINARY_MOUNTDATA,
+	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_BINARY_MOUNTDATA,
 };
 
 static const struct super_operations nfs4_sops = {
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index f084dac948e..fc8de9016ac 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -662,7 +662,7 @@ nfs_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg)
 static int
 nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 
 	return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl);
 }
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index befbae0cce4..a9dc5fc2995 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -291,7 +291,7 @@ struct file_system_type nfs_fs_type = {
 	.name		= "nfs",
 	.mount		= nfs_fs_mount,
 	.kill_sb	= nfs_kill_super,
-	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_REVAL_DOT|FS_BINARY_MOUNTDATA,
+	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_BINARY_MOUNTDATA,
 };
 EXPORT_SYMBOL_GPL(nfs_fs_type);
 
@@ -300,7 +300,7 @@ struct file_system_type nfs_xdev_fs_type = {
 	.name		= "nfs",
 	.mount		= nfs_xdev_mount,
 	.kill_sb	= nfs_kill_super,
-	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_REVAL_DOT|FS_BINARY_MOUNTDATA,
+	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_BINARY_MOUNTDATA,
 };
 
 const struct super_operations nfs_sops = {
@@ -330,7 +330,7 @@ struct file_system_type nfs4_fs_type = {
 	.name		= "nfs4",
 	.mount		= nfs_fs_mount,
 	.kill_sb	= nfs_kill_super,
-	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_REVAL_DOT|FS_BINARY_MOUNTDATA,
+	.fs_flags	= FS_RENAME_DOES_D_MOVE|FS_BINARY_MOUNTDATA,
 };
 EXPORT_SYMBOL_GPL(nfs4_fs_type);
 
diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c
index e761ee95617..497584c7036 100644
--- a/fs/nfsd/fault_inject.c
+++ b/fs/nfsd/fault_inject.c
@@ -101,7 +101,7 @@ static ssize_t fault_inject_read(struct file *file, char __user *buf,
 	loff_t pos = *ppos;
 
 	if (!pos)
-		nfsd_inject_get(file->f_dentry->d_inode->i_private, &val);
+		nfsd_inject_get(file_inode(file)->i_private, &val);
 	size = scnprintf(read_buf, sizeof(read_buf), "%llu\n", val);
 
 	if (pos < 0)
@@ -133,10 +133,10 @@ static ssize_t fault_inject_write(struct file *file, const char __user *buf,
 
 	size = rpc_pton(net, write_buf, size, (struct sockaddr *)&sa, sizeof(sa));
 	if (size > 0)
-		nfsd_inject_set_client(file->f_dentry->d_inode->i_private, &sa, size);
+		nfsd_inject_set_client(file_inode(file)->i_private, &sa, size);
 	else {
 		val = simple_strtoll(write_buf, NULL, 0);
-		nfsd_inject_set(file->f_dentry->d_inode->i_private, val);
+		nfsd_inject_set(file_inode(file)->i_private, val);
 	}
 	return len; /* on success, claim we got the whole input */
 }
diff --git a/fs/nfsd/nfs2acl.c b/fs/nfsd/nfs2acl.c
index 9170861c804..95d76dc6c5d 100644
--- a/fs/nfsd/nfs2acl.c
+++ b/fs/nfsd/nfs2acl.c
@@ -45,6 +45,10 @@ static __be32 nfsacld_proc_getacl(struct svc_rqst * rqstp,
 		RETURN_STATUS(nfserr_inval);
 	resp->mask = argp->mask;
 
+	nfserr = fh_getattr(fh, &resp->stat);
+	if (nfserr)
+		goto fail;
+
 	if (resp->mask & (NFS_ACL|NFS_ACLCNT)) {
 		acl = nfsd_get_posix_acl(fh, ACL_TYPE_ACCESS);
 		if (IS_ERR(acl)) {
@@ -115,6 +119,9 @@ static __be32 nfsacld_proc_setacl(struct svc_rqst * rqstp,
 		nfserr = nfserrno( nfsd_set_posix_acl(
 			fh, ACL_TYPE_DEFAULT, argp->acl_default) );
 	}
+	if (!nfserr) {
+		nfserr = fh_getattr(fh, &resp->stat);
+	}
 
 	/* argp->acl_{access,default} may have been allocated in
 	   nfssvc_decode_setaclargs. */
@@ -129,10 +136,15 @@ static __be32 nfsacld_proc_setacl(struct svc_rqst * rqstp,
 static __be32 nfsacld_proc_getattr(struct svc_rqst * rqstp,
 		struct nfsd_fhandle *argp, struct nfsd_attrstat *resp)
 {
+	__be32 nfserr;
 	dprintk("nfsd: GETATTR  %s\n", SVCFH_fmt(&argp->fh));
 
 	fh_copy(&resp->fh, &argp->fh);
-	return fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
+	nfserr = fh_verify(rqstp, &resp->fh, 0, NFSD_MAY_NOP);
+	if (nfserr)
+		return nfserr;
+	nfserr = fh_getattr(&resp->fh, &resp->stat);
+	return nfserr;
 }
 
 /*
@@ -150,6 +162,9 @@ static __be32 nfsacld_proc_access(struct svc_rqst *rqstp, struct nfsd3_accessarg
 	fh_copy(&resp->fh, &argp->fh);
 	resp->access = argp->access;
 	nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
+	if (nfserr)
+		return nfserr;
+	nfserr = fh_getattr(&resp->fh, &resp->stat);
 	return nfserr;
 }
 
@@ -243,7 +258,7 @@ static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
 		return 0;
 	inode = dentry->d_inode;
 
-	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
+	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
 	*p++ = htonl(resp->mask);
 	if (!xdr_ressize_check(rqstp, p))
 		return 0;
@@ -274,7 +289,7 @@ static int nfsaclsvc_encode_getaclres(struct svc_rqst *rqstp, __be32 *p,
 static int nfsaclsvc_encode_attrstatres(struct svc_rqst *rqstp, __be32 *p,
 		struct nfsd_attrstat *resp)
 {
-	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
+	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
 	return xdr_ressize_check(rqstp, p);
 }
 
@@ -282,7 +297,7 @@ static int nfsaclsvc_encode_attrstatres(struct svc_rqst *rqstp, __be32 *p,
 static int nfsaclsvc_encode_accessres(struct svc_rqst *rqstp, __be32 *p,
 		struct nfsd3_accessres *resp)
 {
-	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh);
+	p = nfs2svc_encode_fattr(rqstp, p, &resp->fh, &resp->stat);
 	*p++ = htonl(resp->access);
 	return xdr_ressize_check(rqstp, p);
 }
diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c
index 1fc02dfdc5c..40128991313 100644
--- a/fs/nfsd/nfs3proc.c
+++ b/fs/nfsd/nfs3proc.c
@@ -43,7 +43,6 @@ static __be32
 nfsd3_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle  *argp,
 					   struct nfsd3_attrstat *resp)
 {
-	int	err;
 	__be32	nfserr;
 
 	dprintk("nfsd: GETATTR(3)  %s\n",
@@ -55,9 +54,7 @@ nfsd3_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle  *argp,
 	if (nfserr)
 		RETURN_STATUS(nfserr);
 
-	err = vfs_getattr(resp->fh.fh_export->ex_path.mnt,
-			  resp->fh.fh_dentry, &resp->stat);
-	nfserr = nfserrno(err);
+	nfserr = fh_getattr(&resp->fh, &resp->stat);
 
 	RETURN_STATUS(nfserr);
 }
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index 925c944bc0b..14d9ecb96cf 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -11,6 +11,7 @@
 #include "xdr3.h"
 #include "auth.h"
 #include "netns.h"
+#include "vfs.h"
 
 #define NFSDDBG_FACILITY		NFSDDBG_XDR
 
@@ -206,10 +207,10 @@ encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp)
 {
 	struct dentry *dentry = fhp->fh_dentry;
 	if (dentry && dentry->d_inode) {
-	        int err;
+	        __be32 err;
 		struct kstat stat;
 
-		err = vfs_getattr(fhp->fh_export->ex_path.mnt, dentry, &stat);
+		err = fh_getattr(fhp, &stat);
 		if (!err) {
 			*p++ = xdr_one;		/* attributes follow */
 			lease_get_mtime(dentry->d_inode, &stat.mtime);
@@ -256,13 +257,12 @@ encode_wcc_data(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp)
  */
 void fill_post_wcc(struct svc_fh *fhp)
 {
-	int err;
+	__be32 err;
 
 	if (fhp->fh_post_saved)
 		printk("nfsd: inode locked twice during operation.\n");
 
-	err = vfs_getattr(fhp->fh_export->ex_path.mnt, fhp->fh_dentry,
-			&fhp->fh_post_attr);
+	err = fh_getattr(fhp, &fhp->fh_post_attr);
 	fhp->fh_post_change = fhp->fh_dentry->d_inode->i_version;
 	if (err) {
 		fhp->fh_post_saved = 0;
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 2d1d06bae3a..8ca6d17f6cf 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -2015,7 +2015,7 @@ static int get_parent_attributes(struct svc_export *exp, struct kstat *stat)
 		if (path.dentry != path.mnt->mnt_root)
 			break;
 	}
-	err = vfs_getattr(path.mnt, path.dentry, stat);
+	err = vfs_getattr(&path, stat);
 	path_put(&path);
 	return err;
 }
@@ -2068,7 +2068,7 @@ nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
 			goto out;
 	}
 
-	err = vfs_getattr(exp->ex_path.mnt, dentry, &stat);
+	err = vfs_getattr(&path, &stat);
 	if (err)
 		goto out_nfserr;
 	if ((bmval0 & (FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL |
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 74934284d9a..2db7021b01a 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -85,7 +85,7 @@ static ssize_t (*write_op[])(struct file *, char *, size_t) = {
 
 static ssize_t nfsctl_transaction_write(struct file *file, const char __user *buf, size_t size, loff_t *pos)
 {
-	ino_t ino =  file->f_path.dentry->d_inode->i_ino;
+	ino_t ino =  file_inode(file)->i_ino;
 	char *data;
 	ssize_t rv;
 
diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index aad6d457b9e..54c6b3d3cc7 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -26,17 +26,13 @@ static __be32
 nfsd_return_attrs(__be32 err, struct nfsd_attrstat *resp)
 {
 	if (err) return err;
-	return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
-				    resp->fh.fh_dentry,
-				    &resp->stat));
+	return fh_getattr(&resp->fh, &resp->stat);
 }
 static __be32
 nfsd_return_dirop(__be32 err, struct nfsd_diropres *resp)
 {
 	if (err) return err;
-	return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
-				    resp->fh.fh_dentry,
-				    &resp->stat));
+	return fh_getattr(&resp->fh, &resp->stat);
 }
 /*
  * Get a file's attributes
@@ -150,9 +146,7 @@ nfsd_proc_read(struct svc_rqst *rqstp, struct nfsd_readargs *argp,
 				  &resp->count);
 
 	if (nfserr) return nfserr;
-	return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
-				    resp->fh.fh_dentry,
-				    &resp->stat));
+	return fh_getattr(&resp->fh, &resp->stat);
 }
 
 /*
diff --git a/fs/nfsd/nfsxdr.c b/fs/nfsd/nfsxdr.c
index 4201ede0ec9..9c769a47ac5 100644
--- a/fs/nfsd/nfsxdr.c
+++ b/fs/nfsd/nfsxdr.c
@@ -4,6 +4,7 @@
  * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
  */
 
+#include "vfs.h"
 #include "xdr.h"
 #include "auth.h"
 
@@ -196,11 +197,9 @@ encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp,
 }
 
 /* Helper function for NFSv2 ACL code */
-__be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp)
+__be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp, struct kstat *stat)
 {
-	struct kstat stat;
-	vfs_getattr(fhp->fh_export->ex_path.mnt, fhp->fh_dentry, &stat);
-	return encode_fattr(rqstp, p, fhp, &stat);
+	return encode_fattr(rqstp, p, fhp, stat);
 }
 
 /*
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 31ff1d642e3..2a7eb536de0 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -979,7 +979,7 @@ static void kill_suid(struct dentry *dentry)
  */
 static int wait_for_concurrent_writes(struct file *file)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	static ino_t last_ino;
 	static dev_t last_dev;
 	int err = 0;
@@ -1070,7 +1070,7 @@ __be32 nfsd_read(struct svc_rqst *rqstp, struct svc_fh *fhp,
 	if (err)
 		return err;
 
-	inode = file->f_path.dentry->d_inode;
+	inode = file_inode(file);
 
 	/* Get readahead parameters */
 	ra = nfsd_get_raparms(inode->i_sb->s_dev, inode->i_ino);
@@ -1957,7 +1957,7 @@ static __be32 nfsd_buffered_readdir(struct file *file, filldir_t func,
 	offset = *offsetp;
 
 	while (1) {
-		struct inode *dir_inode = file->f_path.dentry->d_inode;
+		struct inode *dir_inode = file_inode(file);
 		unsigned int reclen;
 
 		cdp->err = nfserr_eof; /* will be cleared on successful read */
diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h
index 359594c393d..5b5894159f2 100644
--- a/fs/nfsd/vfs.h
+++ b/fs/nfsd/vfs.h
@@ -6,6 +6,7 @@
 #define LINUX_NFSD_VFS_H
 
 #include "nfsfh.h"
+#include "nfsd.h"
 
 /*
  * Flags for nfsd_permission
@@ -125,4 +126,11 @@ static inline void fh_drop_write(struct svc_fh *fh)
 	}
 }
 
+static inline __be32 fh_getattr(struct svc_fh *fh, struct kstat *stat)
+{
+	struct path p = {.mnt = fh->fh_export->ex_path.mnt,
+			 .dentry = fh->fh_dentry};
+	return nfserrno(vfs_getattr(&p, stat));
+}
+
 #endif /* LINUX_NFSD_VFS_H */
diff --git a/fs/nfsd/xdr.h b/fs/nfsd/xdr.h
index 53b1863dd8f..4f0481d6380 100644
--- a/fs/nfsd/xdr.h
+++ b/fs/nfsd/xdr.h
@@ -167,7 +167,7 @@ int nfssvc_encode_entry(void *, const char *name,
 int nfssvc_release_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *);
 
 /* Helper functions for NFSv2 ACL code */
-__be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp);
+__be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp, struct kstat *stat);
 __be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp);
 
 #endif /* LINUX_NFSD_H */
diff --git a/fs/nfsd/xdr3.h b/fs/nfsd/xdr3.h
index 7df980eb056..b6d5542a4ac 100644
--- a/fs/nfsd/xdr3.h
+++ b/fs/nfsd/xdr3.h
@@ -136,6 +136,7 @@ struct nfsd3_accessres {
 	__be32			status;
 	struct svc_fh		fh;
 	__u32			access;
+	struct kstat		stat;
 };
 
 struct nfsd3_readlinkres {
@@ -225,6 +226,7 @@ struct nfsd3_getaclres {
 	int			mask;
 	struct posix_acl	*acl_access;
 	struct posix_acl	*acl_default;
+	struct kstat		stat;
 };
 
 /* dummy type for release */
diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c
index df1a7fb238d..f30b017740a 100644
--- a/fs/nilfs2/dir.c
+++ b/fs/nilfs2/dir.c
@@ -259,7 +259,7 @@ static void nilfs_set_de_type(struct nilfs_dir_entry *de, struct inode *inode)
 static int nilfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
 	loff_t pos = filp->f_pos;
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	unsigned int offset = pos & ~PAGE_CACHE_MASK;
 	unsigned long n = pos >> PAGE_CACHE_SHIFT;
diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index bec4af6eab1..08fdb77852a 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -67,7 +67,7 @@ int nilfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
 static int nilfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
 	struct page *page = vmf->page;
-	struct inode *inode = vma->vm_file->f_dentry->d_inode;
+	struct inode *inode = file_inode(vma->vm_file);
 	struct nilfs_transaction_info ti;
 	int ret = 0;
 
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index f3859354e41..b44bdb291b8 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -796,7 +796,7 @@ static int nilfs_ioctl_get_info(struct inode *inode, struct file *filp,
 
 long nilfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	void __user *argp = (void __user *)arg;
 
 	switch (cmd) {
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index 1d0c0b84c5a..9de78f08989 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -517,11 +517,11 @@ static int nilfs_encode_fh(struct inode *inode, __u32 *fh, int *lenp,
 
 	if (parent && *lenp < NILFS_FID_SIZE_CONNECTABLE) {
 		*lenp = NILFS_FID_SIZE_CONNECTABLE;
-		return 255;
+		return FILEID_INVALID;
 	}
 	if (*lenp < NILFS_FID_SIZE_NON_CONNECTABLE) {
 		*lenp = NILFS_FID_SIZE_NON_CONNECTABLE;
-		return 255;
+		return FILEID_INVALID;
 	}
 
 	fid->cno = root->cno;
diff --git a/fs/notify/dnotify/dnotify.c b/fs/notify/dnotify/dnotify.c
index 08b886f119c..2bfe6dc413a 100644
--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -174,7 +174,7 @@ void dnotify_flush(struct file *filp, fl_owner_t id)
 	struct dnotify_struct **prev;
 	struct inode *inode;
 
-	inode = filp->f_path.dentry->d_inode;
+	inode = file_inode(filp);
 	if (!S_ISDIR(inode->i_mode))
 		return;
 
@@ -296,7 +296,7 @@ int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
 	}
 
 	/* dnotify only works on directories */
-	inode = filp->f_path.dentry->d_inode;
+	inode = file_inode(filp);
 	if (!S_ISDIR(inode->i_mode)) {
 		error = -ENOTDIR;
 		goto out_err;
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
index 9ff4a5ee6e2..5d8444268a1 100644
--- a/fs/notify/fanotify/fanotify_user.c
+++ b/fs/notify/fanotify/fanotify_user.c
@@ -466,7 +466,7 @@ static int fanotify_find_path(int dfd, const char __user *filename,
 
 		ret = -ENOTDIR;
 		if ((flags & FAN_MARK_ONLYDIR) &&
-		    !(S_ISDIR(f.file->f_path.dentry->d_inode->i_mode))) {
+		    !(S_ISDIR(file_inode(f.file)->i_mode))) {
 			fdput(f);
 			goto out;
 		}
diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c
index 99e36107ff6..aa411c3f20e 100644
--- a/fs/ntfs/dir.c
+++ b/fs/ntfs/dir.c
@@ -1101,7 +1101,7 @@ static int ntfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
 	s64 ia_pos, ia_start, prev_ia_pos, bmp_pos;
 	loff_t fpos, i_size;
-	struct inode *bmp_vi, *vdir = filp->f_path.dentry->d_inode;
+	struct inode *bmp_vi, *vdir = file_inode(filp);
 	struct super_block *sb = vdir->i_sb;
 	ntfs_inode *ndir = NTFS_I(vdir);
 	ntfs_volume *vol = NTFS_SB(sb);
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 9796330d8f0..20dfec72e90 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -569,7 +569,7 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
 			     int ret,
 			     bool is_async)
 {
-	struct inode *inode = iocb->ki_filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(iocb->ki_filp);
 	int level;
 	wait_queue_head_t *wq = ocfs2_ioend_wq(inode);
 
@@ -593,9 +593,9 @@ static void ocfs2_dio_end_io(struct kiocb *iocb,
 	level = ocfs2_iocb_rw_locked_level(iocb);
 	ocfs2_rw_unlock(inode, level);
 
+	inode_dio_done(inode);
 	if (is_async)
 		aio_complete(iocb, ret, 0);
-	inode_dio_done(inode);
 }
 
 /*
@@ -626,7 +626,7 @@ static ssize_t ocfs2_direct_IO(int rw,
 			       unsigned long nr_segs)
 {
 	struct file *file = iocb->ki_filp;
-	struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host;
+	struct inode *inode = file_inode(file)->i_mapping->host;
 
 	/*
 	 * Fallback to buffered I/O if we see an inode without
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index fc121350d8c..f1e1aed8f63 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -2014,12 +2014,12 @@ int ocfs2_dir_foreach(struct inode *inode, loff_t *f_pos, void *priv,
 int ocfs2_readdir(struct file * filp, void * dirent, filldir_t filldir)
 {
 	int error = 0;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	int lock_level = 0;
 
 	trace_ocfs2_readdir((unsigned long long)OCFS2_I(inode)->ip_blkno);
 
-	error = ocfs2_inode_lock_atime(inode, filp->f_vfsmnt, &lock_level);
+	error = ocfs2_inode_lock_atime(inode, filp->f_path.mnt, &lock_level);
 	if (lock_level && error >= 0) {
 		/* We release EX lock which used to update atime
 		 * and get PR lock again to reduce contention
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index 005261c333b..33ecbe0e673 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -2020,7 +2020,7 @@ int dlm_dispatch_assert_master(struct dlm_ctxt *dlm,
 			       int ignore_higher, u8 request_from, u32 flags)
 {
 	struct dlm_work_item *item;
-	item = kzalloc(sizeof(*item), GFP_NOFS);
+	item = kzalloc(sizeof(*item), GFP_ATOMIC);
 	if (!item)
 		return -ENOMEM;
 
diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 16b712d260d..4c5fc8d77dc 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -224,7 +224,7 @@ static int dlmfs_file_setattr(struct dentry *dentry, struct iattr *attr)
 static unsigned int dlmfs_file_poll(struct file *file, poll_table *wait)
 {
 	int event = 0;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct dlmfs_inode_private *ip = DLMFS_I(inode);
 
 	poll_wait(file, &ip->ip_lockres.l_event, wait);
@@ -245,7 +245,7 @@ static ssize_t dlmfs_file_read(struct file *filp,
 	int bytes_left;
 	ssize_t readlen, got;
 	char *lvb_buf;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 
 	mlog(0, "inode %lu, count = %zu, *ppos = %llu\n",
 		inode->i_ino, count, *ppos);
@@ -293,7 +293,7 @@ static ssize_t dlmfs_file_write(struct file *filp,
 	int bytes_left;
 	ssize_t writelen;
 	char *lvb_buf;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 
 	mlog(0, "inode %lu, count = %zu, *ppos = %llu\n",
 		inode->i_ino, count, *ppos);
diff --git a/fs/ocfs2/export.c b/fs/ocfs2/export.c
index 322216a5f0d..29651167190 100644
--- a/fs/ocfs2/export.c
+++ b/fs/ocfs2/export.c
@@ -195,11 +195,11 @@ static int ocfs2_encode_fh(struct inode *inode, u32 *fh_in, int *max_len,
 
 	if (parent && (len < 6)) {
 		*max_len = 6;
-		type = 255;
+		type = FILEID_INVALID;
 		goto bail;
 	} else if (len < 3) {
 		*max_len = 3;
-		type = 255;
+		type = FILEID_INVALID;
 		goto bail;
 	}
 
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 0a2924a2d9e..6474cb44004 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1950,7 +1950,7 @@ out:
 int ocfs2_change_file_space(struct file *file, unsigned int cmd,
 			    struct ocfs2_space_resv *sr)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	int ret;
 
@@ -1978,7 +1978,7 @@ int ocfs2_change_file_space(struct file *file, unsigned int cmd,
 static long ocfs2_fallocate(struct file *file, int mode, loff_t offset,
 			    loff_t len)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct ocfs2_space_resv sr;
 	int change_size = 1;
@@ -2233,7 +2233,7 @@ static ssize_t ocfs2_file_aio_write(struct kiocb *iocb,
 	loff_t old_size, *ppos = &iocb->ki_pos;
 	u32 old_clusters;
 	struct file *file = iocb->ki_filp;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	int full_coherency = !(osb->s_mount_opt &
 			       OCFS2_MOUNT_COHERENCY_BUFFERED);
@@ -2517,7 +2517,7 @@ static ssize_t ocfs2_file_splice_read(struct file *in,
 				      unsigned int flags)
 {
 	int ret = 0, lock_level = 0;
-	struct inode *inode = in->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(in);
 
 	trace_ocfs2_file_splice_read(inode, in, in->f_path.dentry,
 			(unsigned long long)OCFS2_I(inode)->ip_blkno,
@@ -2527,7 +2527,7 @@ static ssize_t ocfs2_file_splice_read(struct file *in,
 	/*
 	 * See the comment in ocfs2_file_aio_read()
 	 */
-	ret = ocfs2_inode_lock_atime(inode, in->f_vfsmnt, &lock_level);
+	ret = ocfs2_inode_lock_atime(inode, in->f_path.mnt, &lock_level);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto bail;
@@ -2547,7 +2547,7 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb,
 {
 	int ret = 0, rw_level = -1, have_alloc_sem = 0, lock_level = 0;
 	struct file *filp = iocb->ki_filp;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 
 	trace_ocfs2_file_aio_read(inode, filp, filp->f_path.dentry,
 			(unsigned long long)OCFS2_I(inode)->ip_blkno,
@@ -2590,7 +2590,7 @@ static ssize_t ocfs2_file_aio_read(struct kiocb *iocb,
 	 * like i_size. This allows the checks down below
 	 * generic_file_aio_read() a chance of actually working.
 	 */
-	ret = ocfs2_inode_lock_atime(inode, filp->f_vfsmnt, &lock_level);
+	ret = ocfs2_inode_lock_atime(inode, filp->f_path.mnt, &lock_level);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto bail;
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index f20edcbfe70..752f0b26221 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -881,7 +881,7 @@ bail:
 
 long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	unsigned int flags;
 	int new_clusters;
 	int status;
@@ -994,7 +994,7 @@ long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg)
 {
 	bool preserve;
 	struct reflink_arguments args;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ocfs2_info info;
 	void __user *argp = (void __user *)arg;
 
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index 47a87dda54c..10d66c75cec 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -62,7 +62,7 @@ static int __ocfs2_page_mkwrite(struct file *file, struct buffer_head *di_bh,
 				struct page *page)
 {
 	int ret = VM_FAULT_NOPAGE;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct address_space *mapping = inode->i_mapping;
 	loff_t pos = page_offset(page);
 	unsigned int len = PAGE_CACHE_SIZE;
@@ -131,7 +131,7 @@ out:
 static int ocfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
 	struct page *page = vmf->page;
-	struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(vma->vm_file);
 	struct buffer_head *di_bh = NULL;
 	sigset_t oldset;
 	int ret;
@@ -180,13 +180,13 @@ int ocfs2_mmap(struct file *file, struct vm_area_struct *vma)
 {
 	int ret = 0, lock_level = 0;
 
-	ret = ocfs2_inode_lock_atime(file->f_dentry->d_inode,
-				    file->f_vfsmnt, &lock_level);
+	ret = ocfs2_inode_lock_atime(file_inode(file),
+				    file->f_path.mnt, &lock_level);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto out;
 	}
-	ocfs2_inode_unlock(file->f_dentry->d_inode, lock_level);
+	ocfs2_inode_unlock(file_inode(file), lock_level);
 out:
 	vma->vm_ops = &ocfs2_file_vm_ops;
 	return 0;
diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c
index 6083432f667..9f8dcadd9a5 100644
--- a/fs/ocfs2/move_extents.c
+++ b/fs/ocfs2/move_extents.c
@@ -1055,7 +1055,7 @@ int ocfs2_ioctl_move_extents(struct file *filp, void __user *argp)
 {
 	int status;
 
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct ocfs2_move_extents range;
 	struct ocfs2_move_extents_context *context = NULL;
 
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 934a4ac3e7f..998b17eda09 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -2927,7 +2927,7 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle,
 				     u32 new_cluster, u32 new_len)
 {
 	int ret = 0, partial;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ocfs2_caching_info *ci = INODE_CACHE(inode);
 	struct super_block *sb = ocfs2_metadata_cache_get_super(ci);
 	u64 new_block = ocfs2_clusters_to_blocks(sb, new_cluster);
@@ -3020,7 +3020,7 @@ int ocfs2_duplicate_clusters_by_jbd(handle_t *handle,
 				    u32 new_cluster, u32 new_len)
 {
 	int ret = 0;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct super_block *sb = inode->i_sb;
 	struct ocfs2_caching_info *ci = INODE_CACHE(inode);
 	int i, blocks = ocfs2_clusters_to_blocks(sb, new_len);
diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c
index f1fbb4b552a..66edce7ecfd 100644
--- a/fs/ocfs2/symlink.c
+++ b/fs/ocfs2/symlink.c
@@ -57,7 +57,7 @@
 static int ocfs2_fast_symlink_readpage(struct file *unused, struct page *page)
 {
 	struct inode *inode = page->mapping->host;
-	struct buffer_head *bh;
+	struct buffer_head *bh = NULL;
 	int status = ocfs2_read_inode_block(inode, &bh);
 	struct ocfs2_dinode *fe;
 	const char *link;
diff --git a/fs/omfs/dir.c b/fs/omfs/dir.c
index fb5b3ff79dc..acbaebcad3a 100644
--- a/fs/omfs/dir.c
+++ b/fs/omfs/dir.c
@@ -330,7 +330,7 @@ int omfs_is_bad(struct omfs_sb_info *sbi, struct omfs_header *header,
 static int omfs_fill_chain(struct file *filp, void *dirent, filldir_t filldir,
 		u64 fsblock, int hindex)
 {
-	struct inode *dir = filp->f_dentry->d_inode;
+	struct inode *dir = file_inode(filp);
 	struct buffer_head *bh;
 	struct omfs_inode *oi;
 	u64 self;
@@ -405,7 +405,7 @@ out:
 
 static int omfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *dir = filp->f_dentry->d_inode;
+	struct inode *dir = file_inode(filp);
 	struct buffer_head *bh;
 	loff_t offset, res;
 	unsigned int hchain, hindex;
diff --git a/fs/open.c b/fs/open.c
index 9b33c0cbfac..62f907e3bc3 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -228,7 +228,7 @@ SYSCALL_ALIAS(sys_ftruncate64, SyS_ftruncate64);
 
 int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	long ret;
 
 	if (offset < 0 || len <= 0)
@@ -426,7 +426,7 @@ SYSCALL_DEFINE1(fchdir, unsigned int, fd)
 	if (!f.file)
 		goto out;
 
-	inode = f.file->f_path.dentry->d_inode;
+	inode = file_inode(f.file);
 
 	error = -ENOTDIR;
 	if (!S_ISDIR(inode->i_mode))
@@ -689,7 +689,7 @@ static int do_dentry_open(struct file *f,
 		f->f_mode = FMODE_PATH;
 
 	path_get(&f->f_path);
-	inode = f->f_path.dentry->d_inode;
+	inode = file_inode(f);
 	if (f->f_mode & FMODE_WRITE) {
 		error = __get_file_write_access(inode, f->f_path.mnt);
 		if (error)
@@ -699,7 +699,6 @@ static int do_dentry_open(struct file *f,
 	}
 
 	f->f_mapping = inode->i_mapping;
-	f->f_pos = 0;
 	file_sb_list_add(f, inode->i_sb);
 
 	if (unlikely(f->f_mode & FMODE_PATH)) {
@@ -810,23 +809,22 @@ struct file *dentry_open(const struct path *path, int flags,
 	/* We must always pass in a valid mount pointer. */
 	BUG_ON(!path->mnt);
 
-	error = -ENFILE;
 	f = get_empty_filp();
-	if (f == NULL)
-		return ERR_PTR(error);
-
-	f->f_flags = flags;
-	f->f_path = *path;
-	error = do_dentry_open(f, NULL, cred);
-	if (!error) {
-		error = open_check_o_direct(f);
-		if (error) {
-			fput(f);
+	if (!IS_ERR(f)) {
+		f->f_flags = flags;
+		f->f_path = *path;
+		error = do_dentry_open(f, NULL, cred);
+		if (!error) {
+			/* from now on we need fput() to dispose of f */
+			error = open_check_o_direct(f);
+			if (error) {
+				fput(f);
+				f = ERR_PTR(error);
+			}
+		} else { 
+			put_filp(f);
 			f = ERR_PTR(error);
 		}
-	} else { 
-		put_filp(f);
-		f = ERR_PTR(error);
 	}
 	return f;
 }
diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c
index 2ad080faca3..ae47fa7efb9 100644
--- a/fs/openpromfs/inode.c
+++ b/fs/openpromfs/inode.c
@@ -262,7 +262,7 @@ found:
 
 static int openpromfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct op_inode_info *oi = OP_I(inode);
 	struct device_node *dp = oi->u.node;
 	struct device_node *child;
diff --git a/fs/pipe.c b/fs/pipe.c
index bd3479db4b6..64a494cef0a 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -361,7 +361,7 @@ pipe_read(struct kiocb *iocb, const struct iovec *_iov,
 	   unsigned long nr_segs, loff_t pos)
 {
 	struct file *filp = iocb->ki_filp;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct pipe_inode_info *pipe;
 	int do_wakeup;
 	ssize_t ret;
@@ -486,7 +486,7 @@ pipe_write(struct kiocb *iocb, const struct iovec *_iov,
 	    unsigned long nr_segs, loff_t ppos)
 {
 	struct file *filp = iocb->ki_filp;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct pipe_inode_info *pipe;
 	ssize_t ret;
 	int do_wakeup;
@@ -677,7 +677,7 @@ bad_pipe_w(struct file *filp, const char __user *buf, size_t count,
 
 static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct pipe_inode_info *pipe;
 	int count, buf, nrbufs;
 
@@ -705,7 +705,7 @@ static unsigned int
 pipe_poll(struct file *filp, poll_table *wait)
 {
 	unsigned int mask;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct pipe_inode_info *pipe = inode->i_pipe;
 	int nrbufs;
 
@@ -758,7 +758,7 @@ pipe_release(struct inode *inode, int decr, int decw)
 static int
 pipe_read_fasync(int fd, struct file *filp, int on)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	int retval;
 
 	mutex_lock(&inode->i_mutex);
@@ -772,7 +772,7 @@ pipe_read_fasync(int fd, struct file *filp, int on)
 static int
 pipe_write_fasync(int fd, struct file *filp, int on)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	int retval;
 
 	mutex_lock(&inode->i_mutex);
@@ -786,7 +786,7 @@ pipe_write_fasync(int fd, struct file *filp, int on)
 static int
 pipe_rdwr_fasync(int fd, struct file *filp, int on)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct pipe_inode_info *pipe = inode->i_pipe;
 	int retval;
 
@@ -1037,13 +1037,13 @@ int create_pipe_files(struct file **res, int flags)
 
 	err = -ENFILE;
 	f = alloc_file(&path, FMODE_WRITE, &write_pipefifo_fops);
-	if (!f)
+	if (IS_ERR(f))
 		goto err_dentry;
 
 	f->f_flags = O_WRONLY | (flags & (O_NONBLOCK | O_DIRECT));
 
 	res[0] = alloc_file(&path, FMODE_READ, &read_pipefifo_fops);
-	if (!res[0])
+	if (IS_ERR(res[0]))
 		goto err_file;
 
 	path_get(&path);
@@ -1226,7 +1226,7 @@ int pipe_proc_fn(struct ctl_table *table, int write, void __user *buf,
  */
 struct pipe_inode_info *get_pipe_info(struct file *file)
 {
-	struct inode *i = file->f_path.dentry->d_inode;
+	struct inode *i = file_inode(file);
 
 	return S_ISFIFO(i->i_mode) ? i->i_pipe : NULL;
 }
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 9b43ff77a51..f3b133d7991 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -383,7 +383,7 @@ static int lstats_open(struct inode *inode, struct file *file)
 static ssize_t lstats_write(struct file *file, const char __user *buf,
 			    size_t count, loff_t *offs)
 {
-	struct task_struct *task = get_proc_task(file->f_dentry->d_inode);
+	struct task_struct *task = get_proc_task(file_inode(file));
 
 	if (!task)
 		return -ESRCH;
@@ -602,7 +602,7 @@ static const struct inode_operations proc_def_inode_operations = {
 static ssize_t proc_info_read(struct file * file, char __user * buf,
 			  size_t count, loff_t *ppos)
 {
-	struct inode * inode = file->f_path.dentry->d_inode;
+	struct inode * inode = file_inode(file);
 	unsigned long page;
 	ssize_t length;
 	struct task_struct *task = get_proc_task(inode);
@@ -668,7 +668,7 @@ static const struct file_operations proc_single_file_operations = {
 
 static int __mem_open(struct inode *inode, struct file *file, unsigned int mode)
 {
-	struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+	struct task_struct *task = get_proc_task(file_inode(file));
 	struct mm_struct *mm;
 
 	if (!task)
@@ -869,7 +869,7 @@ static const struct file_operations proc_environ_operations = {
 static ssize_t oom_adj_read(struct file *file, char __user *buf, size_t count,
 			    loff_t *ppos)
 {
-	struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+	struct task_struct *task = get_proc_task(file_inode(file));
 	char buffer[PROC_NUMBUF];
 	int oom_adj = OOM_ADJUST_MIN;
 	size_t len;
@@ -916,7 +916,7 @@ static ssize_t oom_adj_write(struct file *file, const char __user *buf,
 		goto out;
 	}
 
-	task = get_proc_task(file->f_path.dentry->d_inode);
+	task = get_proc_task(file_inode(file));
 	if (!task) {
 		err = -ESRCH;
 		goto out;
@@ -976,7 +976,7 @@ static const struct file_operations proc_oom_adj_operations = {
 static ssize_t oom_score_adj_read(struct file *file, char __user *buf,
 					size_t count, loff_t *ppos)
 {
-	struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+	struct task_struct *task = get_proc_task(file_inode(file));
 	char buffer[PROC_NUMBUF];
 	short oom_score_adj = OOM_SCORE_ADJ_MIN;
 	unsigned long flags;
@@ -1019,7 +1019,7 @@ static ssize_t oom_score_adj_write(struct file *file, const char __user *buf,
 		goto out;
 	}
 
-	task = get_proc_task(file->f_path.dentry->d_inode);
+	task = get_proc_task(file_inode(file));
 	if (!task) {
 		err = -ESRCH;
 		goto out;
@@ -1067,7 +1067,7 @@ static const struct file_operations proc_oom_score_adj_operations = {
 static ssize_t proc_loginuid_read(struct file * file, char __user * buf,
 				  size_t count, loff_t *ppos)
 {
-	struct inode * inode = file->f_path.dentry->d_inode;
+	struct inode * inode = file_inode(file);
 	struct task_struct *task = get_proc_task(inode);
 	ssize_t length;
 	char tmpbuf[TMPBUFLEN];
@@ -1084,7 +1084,7 @@ static ssize_t proc_loginuid_read(struct file * file, char __user * buf,
 static ssize_t proc_loginuid_write(struct file * file, const char __user * buf,
 				   size_t count, loff_t *ppos)
 {
-	struct inode * inode = file->f_path.dentry->d_inode;
+	struct inode * inode = file_inode(file);
 	char *page, *tmp;
 	ssize_t length;
 	uid_t loginuid;
@@ -1142,7 +1142,7 @@ static const struct file_operations proc_loginuid_operations = {
 static ssize_t proc_sessionid_read(struct file * file, char __user * buf,
 				  size_t count, loff_t *ppos)
 {
-	struct inode * inode = file->f_path.dentry->d_inode;
+	struct inode * inode = file_inode(file);
 	struct task_struct *task = get_proc_task(inode);
 	ssize_t length;
 	char tmpbuf[TMPBUFLEN];
@@ -1165,7 +1165,7 @@ static const struct file_operations proc_sessionid_operations = {
 static ssize_t proc_fault_inject_read(struct file * file, char __user * buf,
 				      size_t count, loff_t *ppos)
 {
-	struct task_struct *task = get_proc_task(file->f_dentry->d_inode);
+	struct task_struct *task = get_proc_task(file_inode(file));
 	char buffer[PROC_NUMBUF];
 	size_t len;
 	int make_it_fail;
@@ -1197,7 +1197,7 @@ static ssize_t proc_fault_inject_write(struct file * file,
 	make_it_fail = simple_strtol(strstrip(buffer), &end, 0);
 	if (*end)
 		return -EINVAL;
-	task = get_proc_task(file->f_dentry->d_inode);
+	task = get_proc_task(file_inode(file));
 	if (!task)
 		return -ESRCH;
 	task->make_it_fail = make_it_fail;
@@ -1237,7 +1237,7 @@ static ssize_t
 sched_write(struct file *file, const char __user *buf,
 	    size_t count, loff_t *offset)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct task_struct *p;
 
 	p = get_proc_task(inode);
@@ -1288,7 +1288,7 @@ static ssize_t
 sched_autogroup_write(struct file *file, const char __user *buf,
 	    size_t count, loff_t *offset)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct task_struct *p;
 	char buffer[PROC_NUMBUF];
 	int nice;
@@ -1343,7 +1343,7 @@ static const struct file_operations proc_pid_sched_autogroup_operations = {
 static ssize_t comm_write(struct file *file, const char __user *buf,
 				size_t count, loff_t *offset)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct task_struct *p;
 	char buffer[TASK_COMM_LEN];
 
@@ -1711,7 +1711,7 @@ static int map_files_d_revalidate(struct dentry *dentry, unsigned int flags)
 		return -ECHILD;
 
 	if (!capable(CAP_SYS_ADMIN)) {
-		status = -EACCES;
+		status = -EPERM;
 		goto out_notask;
 	}
 
@@ -1844,7 +1844,7 @@ static struct dentry *proc_map_files_lookup(struct inode *dir,
 	struct dentry *result;
 	struct mm_struct *mm;
 
-	result = ERR_PTR(-EACCES);
+	result = ERR_PTR(-EPERM);
 	if (!capable(CAP_SYS_ADMIN))
 		goto out;
 
@@ -1900,7 +1900,7 @@ proc_map_files_readdir(struct file *filp, void *dirent, filldir_t filldir)
 	ino_t ino;
 	int ret;
 
-	ret = -EACCES;
+	ret = -EPERM;
 	if (!capable(CAP_SYS_ADMIN))
 		goto out;
 
@@ -2146,7 +2146,7 @@ out_no_task:
 static ssize_t proc_pid_attr_read(struct file * file, char __user * buf,
 				  size_t count, loff_t *ppos)
 {
-	struct inode * inode = file->f_path.dentry->d_inode;
+	struct inode * inode = file_inode(file);
 	char *p = NULL;
 	ssize_t length;
 	struct task_struct *task = get_proc_task(inode);
@@ -2167,7 +2167,7 @@ static ssize_t proc_pid_attr_read(struct file * file, char __user * buf,
 static ssize_t proc_pid_attr_write(struct file * file, const char __user * buf,
 				   size_t count, loff_t *ppos)
 {
-	struct inode * inode = file->f_path.dentry->d_inode;
+	struct inode * inode = file_inode(file);
 	char *page;
 	ssize_t length;
 	struct task_struct *task = get_proc_task(inode);
@@ -2256,7 +2256,7 @@ static const struct inode_operations proc_attr_dir_inode_operations = {
 static ssize_t proc_coredump_filter_read(struct file *file, char __user *buf,
 					 size_t count, loff_t *ppos)
 {
-	struct task_struct *task = get_proc_task(file->f_dentry->d_inode);
+	struct task_struct *task = get_proc_task(file_inode(file));
 	struct mm_struct *mm;
 	char buffer[PROC_NUMBUF];
 	size_t len;
@@ -2308,7 +2308,7 @@ static ssize_t proc_coredump_filter_write(struct file *file,
 		goto out_no_task;
 
 	ret = -ESRCH;
-	task = get_proc_task(file->f_dentry->d_inode);
+	task = get_proc_task(file_inode(file));
 	if (!task)
 		goto out_no_task;
 
@@ -2618,6 +2618,7 @@ static void proc_flush_task_mnt(struct vfsmount *mnt, pid_t pid, pid_t tgid)
 
 	name.name = buf;
 	name.len = snprintf(buf, sizeof(buf), "%d", pid);
+	/* no ->d_hash() rejects on procfs */
 	dentry = d_hash_and_lookup(mnt->mnt_root, &name);
 	if (dentry) {
 		shrink_dcache_parent(dentry);
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 76ddae83daa..2983dc52ca2 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -42,7 +42,7 @@ static ssize_t
 __proc_file_read(struct file *file, char __user *buf, size_t nbytes,
 	       loff_t *ppos)
 {
-	struct inode * inode = file->f_path.dentry->d_inode;
+	struct inode * inode = file_inode(file);
 	char 	*page;
 	ssize_t	retval=0;
 	int	eof=0;
@@ -188,7 +188,7 @@ static ssize_t
 proc_file_read(struct file *file, char __user *buf, size_t nbytes,
 	       loff_t *ppos)
 {
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *pde = PDE(file_inode(file));
 	ssize_t rv = -EIO;
 
 	spin_lock(&pde->pde_unload_lock);
@@ -209,7 +209,7 @@ static ssize_t
 proc_file_write(struct file *file, const char __user *buffer,
 		size_t count, loff_t *ppos)
 {
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *pde = PDE(file_inode(file));
 	ssize_t rv = -EIO;
 
 	if (pde->write_proc) {
@@ -412,8 +412,7 @@ static const struct dentry_operations proc_dentry_operations =
 struct dentry *proc_lookup_de(struct proc_dir_entry *de, struct inode *dir,
 		struct dentry *dentry)
 {
-	struct inode *inode = NULL;
-	int error = -ENOENT;
+	struct inode *inode;
 
 	spin_lock(&proc_subdir_lock);
 	for (de = de->subdir; de ; de = de->next) {
@@ -422,22 +421,16 @@ struct dentry *proc_lookup_de(struct proc_dir_entry *de, struct inode *dir,
 		if (!memcmp(dentry->d_name.name, de->name, de->namelen)) {
 			pde_get(de);
 			spin_unlock(&proc_subdir_lock);
-			error = -ENOMEM;
 			inode = proc_get_inode(dir->i_sb, de);
-			goto out_unlock;
+			if (!inode)
+				return ERR_PTR(-ENOMEM);
+			d_set_d_op(dentry, &proc_dentry_operations);
+			d_add(dentry, inode);
+			return NULL;
 		}
 	}
 	spin_unlock(&proc_subdir_lock);
-out_unlock:
-
-	if (inode) {
-		d_set_d_op(dentry, &proc_dentry_operations);
-		d_add(dentry, inode);
-		return NULL;
-	}
-	if (de)
-		pde_put(de);
-	return ERR_PTR(error);
+	return ERR_PTR(-ENOENT);
 }
 
 struct dentry *proc_lookup(struct inode *dir, struct dentry *dentry,
@@ -460,7 +453,7 @@ int proc_readdir_de(struct proc_dir_entry *de, struct file *filp, void *dirent,
 {
 	unsigned int ino;
 	int i;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	int ret = 0;
 
 	ino = inode->i_ino;
@@ -522,7 +515,7 @@ out:
 
 int proc_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 
 	return proc_readdir_de(PDE(inode), filp, dirent, filldir);
 }
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 439ae688650..70322e1a4f0 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -144,7 +144,7 @@ void pde_users_dec(struct proc_dir_entry *pde)
 
 static loff_t proc_reg_llseek(struct file *file, loff_t offset, int whence)
 {
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *pde = PDE(file_inode(file));
 	loff_t rv = -EINVAL;
 	loff_t (*llseek)(struct file *, loff_t, int);
 
@@ -179,7 +179,7 @@ static loff_t proc_reg_llseek(struct file *file, loff_t offset, int whence)
 
 static ssize_t proc_reg_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 {
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *pde = PDE(file_inode(file));
 	ssize_t rv = -EIO;
 	ssize_t (*read)(struct file *, char __user *, size_t, loff_t *);
 
@@ -201,7 +201,7 @@ static ssize_t proc_reg_read(struct file *file, char __user *buf, size_t count,
 
 static ssize_t proc_reg_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 {
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *pde = PDE(file_inode(file));
 	ssize_t rv = -EIO;
 	ssize_t (*write)(struct file *, const char __user *, size_t, loff_t *);
 
@@ -223,7 +223,7 @@ static ssize_t proc_reg_write(struct file *file, const char __user *buf, size_t
 
 static unsigned int proc_reg_poll(struct file *file, struct poll_table_struct *pts)
 {
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *pde = PDE(file_inode(file));
 	unsigned int rv = DEFAULT_POLLMASK;
 	unsigned int (*poll)(struct file *, struct poll_table_struct *);
 
@@ -245,7 +245,7 @@ static unsigned int proc_reg_poll(struct file *file, struct poll_table_struct *p
 
 static long proc_reg_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *pde = PDE(file_inode(file));
 	long rv = -ENOTTY;
 	long (*ioctl)(struct file *, unsigned int, unsigned long);
 
@@ -268,7 +268,7 @@ static long proc_reg_unlocked_ioctl(struct file *file, unsigned int cmd, unsigne
 #ifdef CONFIG_COMPAT
 static long proc_reg_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *pde = PDE(file_inode(file));
 	long rv = -ENOTTY;
 	long (*compat_ioctl)(struct file *, unsigned int, unsigned long);
 
@@ -291,7 +291,7 @@ static long proc_reg_compat_ioctl(struct file *file, unsigned int cmd, unsigned
 
 static int proc_reg_mmap(struct file *file, struct vm_area_struct *vma)
 {
-	struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	struct proc_dir_entry *pde = PDE(file_inode(file));
 	int rv = -EIO;
 	int (*mmap)(struct file *, struct vm_area_struct *);
 
@@ -445,12 +445,9 @@ static const struct file_operations proc_reg_file_ops_no_compat = {
 
 struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
 {
-	struct inode * inode;
+	struct inode *inode = iget_locked(sb, de->low_ino);
 
-	inode = iget_locked(sb, de->low_ino);
-	if (!inode)
-		return NULL;
-	if (inode->i_state & I_NEW) {
+	if (inode && (inode->i_state & I_NEW)) {
 		inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
 		PROC_I(inode)->pde = de;
 
@@ -482,10 +479,12 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
 	} else
 	       pde_put(de);
 	return inode;
-}			
+}
 
 int proc_fill_super(struct super_block *s)
 {
+	struct inode *root_inode;
+
 	s->s_flags |= MS_NODIRATIME | MS_NOSUID | MS_NOEXEC;
 	s->s_blocksize = 1024;
 	s->s_blocksize_bits = 10;
@@ -494,11 +493,17 @@ int proc_fill_super(struct super_block *s)
 	s->s_time_gran = 1;
 	
 	pde_get(&proc_root);
-	s->s_root = d_make_root(proc_get_inode(s, &proc_root));
-	if (s->s_root)
-		return 0;
+	root_inode = proc_get_inode(s, &proc_root);
+	if (!root_inode) {
+		printk(KERN_ERR "proc_fill_super: get root inode failed\n");
+		return -ENOMEM;
+	}
 
-	printk("proc_read_super: get root inode failed\n");
-	pde_put(&proc_root);
-	return -ENOMEM;
+	s->s_root = d_make_root(root_inode);
+	if (!s->s_root) {
+		printk(KERN_ERR "proc_fill_super: allocate dentry failed\n");
+		return -ENOMEM;
+	}
+
+	return 0;
 }
diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c
index b1822dde55c..ccfd99bd1c5 100644
--- a/fs/proc/nommu.c
+++ b/fs/proc/nommu.c
@@ -45,7 +45,7 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region)
 	file = region->vm_file;
 
 	if (file) {
-		struct inode *inode = region->vm_file->f_path.dentry->d_inode;
+		struct inode *inode = file_inode(region->vm_file);
 		dev = inode->i_sb->s_dev;
 		ino = inode->i_ino;
 	}
diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c
index 3131a03d7d3..b4ac6572474 100644
--- a/fs/proc/proc_net.c
+++ b/fs/proc/proc_net.c
@@ -163,7 +163,7 @@ static int proc_tgid_net_readdir(struct file *filp, void *dirent,
 	struct net *net;
 
 	ret = -EINVAL;
-	net = get_proc_task_net(filp->f_path.dentry->d_inode);
+	net = get_proc_task_net(file_inode(filp));
 	if (net != NULL) {
 		ret = proc_readdir_de(net->proc_net, filp, dirent, filldir);
 		put_net(net);
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 1827d88ad58..612df79cc6a 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -478,7 +478,7 @@ out:
 static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf,
 		size_t count, loff_t *ppos, int write)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct ctl_table_header *head = grab_header(inode);
 	struct ctl_table *table = PROC_I(inode)->sysctl_entry;
 	ssize_t error;
@@ -542,7 +542,7 @@ static int proc_sys_open(struct inode *inode, struct file *filp)
 
 static unsigned int proc_sys_poll(struct file *filp, poll_table *wait)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct ctl_table_header *head = grab_header(inode);
 	struct ctl_table *table = PROC_I(inode)->sysctl_entry;
 	unsigned int ret = DEFAULT_POLLMASK;
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index ca5ce7f9f80..3e636d864d5 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -271,7 +271,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid)
 	const char *name = NULL;
 
 	if (file) {
-		struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+		struct inode *inode = file_inode(vma->vm_file);
 		dev = inode->i_sb->s_dev;
 		ino = inode->i_ino;
 		pgoff = ((loff_t)vma->vm_pgoff) << PAGE_SHIFT;
@@ -743,7 +743,7 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf,
 		return rv;
 	if (type < CLEAR_REFS_ALL || type > CLEAR_REFS_MAPPED)
 		return -EINVAL;
-	task = get_proc_task(file->f_path.dentry->d_inode);
+	task = get_proc_task(file_inode(file));
 	if (!task)
 		return -ESRCH;
 	mm = get_task_mm(task);
@@ -1015,7 +1015,7 @@ static int pagemap_hugetlb_range(pte_t *pte, unsigned long hmask,
 static ssize_t pagemap_read(struct file *file, char __user *buf,
 			    size_t count, loff_t *ppos)
 {
-	struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+	struct task_struct *task = get_proc_task(file_inode(file));
 	struct mm_struct *mm;
 	struct pagemapread pm;
 	int ret = -ESRCH;
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 1ccfa537f5f..56123a6f462 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -149,7 +149,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma,
 	file = vma->vm_file;
 
 	if (file) {
-		struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+		struct inode *inode = file_inode(vma->vm_file);
 		dev = inode->i_sb->s_dev;
 		ino = inode->i_ino;
 		pgoff = (loff_t)vma->vm_pgoff << PAGE_SHIFT;
diff --git a/fs/qnx4/dir.c b/fs/qnx4/dir.c
index 7b0329468a5..28ce014b3ce 100644
--- a/fs/qnx4/dir.c
+++ b/fs/qnx4/dir.c
@@ -16,7 +16,7 @@
 
 static int qnx4_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	unsigned int offset;
 	struct buffer_head *bh;
 	struct qnx4_inode_entry *de;
diff --git a/fs/qnx6/dir.c b/fs/qnx6/dir.c
index dc597353db3..8798d065e40 100644
--- a/fs/qnx6/dir.c
+++ b/fs/qnx6/dir.c
@@ -117,7 +117,7 @@ static int qnx6_dir_longfilename(struct inode *inode,
 
 static int qnx6_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *s = inode->i_sb;
 	struct qnx6_sb_info *sbi = QNX6_SB(s);
 	loff_t pos = filp->f_pos & (QNX6_DIR_ENTRY_SIZE - 1);
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index d5378d02858..8d5b438cc18 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -202,7 +202,7 @@ unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
 					    unsigned long pgoff, unsigned long flags)
 {
 	unsigned long maxpages, lpages, nr, loop, ret;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct page **pages = NULL, **ptr, *page;
 	loff_t isize;
 
diff --git a/fs/read_write.c b/fs/read_write.c
index bb34af31528..3ae6dbe828b 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -163,7 +163,7 @@ EXPORT_SYMBOL(no_llseek);
 
 loff_t default_llseek(struct file *file, loff_t offset, int whence)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	loff_t retval;
 
 	mutex_lock(&inode->i_mutex);
@@ -290,7 +290,7 @@ int rw_verify_area(int read_write, struct file *file, loff_t *ppos, size_t count
 	loff_t pos;
 	int retval = -EINVAL;
 
-	inode = file->f_path.dentry->d_inode;
+	inode = file_inode(file);
 	if (unlikely((ssize_t) count < 0))
 		return retval;
 	pos = *ppos;
@@ -901,8 +901,8 @@ ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos, size_t count,
 	if (!(out.file->f_mode & FMODE_WRITE))
 		goto fput_out;
 	retval = -EINVAL;
-	in_inode = in.file->f_path.dentry->d_inode;
-	out_inode = out.file->f_path.dentry->d_inode;
+	in_inode = file_inode(in.file);
+	out_inode = file_inode(out.file);
 	retval = rw_verify_area(WRITE, out.file, &out.file->f_pos, count);
 	if (retval < 0)
 		goto fput_out;
diff --git a/fs/readdir.c b/fs/readdir.c
index 5e69ef533b7..fee38e04fae 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -22,7 +22,7 @@
 
 int vfs_readdir(struct file *file, filldir_t filler, void *buf)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int res = -ENOTDIR;
 	if (!file->f_op || !file->f_op->readdir)
 		goto out;
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 50302d6f889..6165bd4784f 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -268,7 +268,7 @@ static ssize_t reiserfs_file_write(struct file *file,	/* the file we are going t
 							 * new current position before returning. */
 				   )
 {
-	struct inode *inode = file->f_path.dentry->d_inode;	// Inode of the file that we are writing to.
+	struct inode *inode = file_inode(file);	// Inode of the file that we are writing to.
 	/* To simplify coding at this time, we store
 	   locked pages in array for now */
 	struct reiserfs_transaction_handle th;
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 95d7680ead4..ea5061fd4f3 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1603,10 +1603,10 @@ int reiserfs_encode_fh(struct inode *inode, __u32 * data, int *lenp,
 
 	if (parent && (maxlen < 5)) {
 		*lenp = 5;
-		return 255;
+		return FILEID_INVALID;
 	} else if (maxlen < 3) {
 		*lenp = 3;
-		return 255;
+		return FILEID_INVALID;
 	}
 
 	data[0] = inode->i_ino;
diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index 0c2185042d5..15cb5fe6b42 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -21,7 +21,7 @@
  */
 long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	unsigned int flags;
 	int err = 0;
 
diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
index e60e87035bb..9cc0740adff 100644
--- a/fs/reiserfs/procfs.c
+++ b/fs/reiserfs/procfs.c
@@ -281,7 +281,7 @@ static int show_oidmap(struct seq_file *m, struct super_block *sb)
 	}
 #if defined( REISERFS_USE_OIDMAPF )
 	if (sb_info->oidmap.use_file && (sb_info->oidmap.mapf != NULL)) {
-		loff_t size = sb_info->oidmap.mapf->f_path.dentry->d_inode->i_size;
+		loff_t size = file_inode(sb_info->oidmap.mapf)->i_size;
 		total_used += size / sizeof(reiserfs_oidinterval_d_t);
 	}
 #endif
diff --git a/fs/romfs/super.c b/fs/romfs/super.c
index fd7c5f60b46..7e8d3a80bda 100644
--- a/fs/romfs/super.c
+++ b/fs/romfs/super.c
@@ -147,7 +147,7 @@ static const struct address_space_operations romfs_aops = {
  */
 static int romfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *i = filp->f_dentry->d_inode;
+	struct inode *i = file_inode(filp);
 	struct romfs_inode ri;
 	unsigned long offset, maxoff;
 	int j, ino, nextfh;
diff --git a/fs/splice.c b/fs/splice.c
index 6909d89d0da..718bd005638 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -569,7 +569,7 @@ static ssize_t kernel_readv(struct file *file, const struct iovec *vec,
 	return res;
 }
 
-static ssize_t kernel_write(struct file *file, const char *buf, size_t count,
+ssize_t kernel_write(struct file *file, const char *buf, size_t count,
 			    loff_t pos)
 {
 	mm_segment_t old_fs;
@@ -578,11 +578,12 @@ static ssize_t kernel_write(struct file *file, const char *buf, size_t count,
 	old_fs = get_fs();
 	set_fs(get_ds());
 	/* The cast to a user pointer is valid due to the set_fs() */
-	res = vfs_write(file, (const char __user *)buf, count, &pos);
+	res = vfs_write(file, (__force const char __user *)buf, count, &pos);
 	set_fs(old_fs);
 
 	return res;
 }
+EXPORT_SYMBOL(kernel_write);
 
 ssize_t default_file_splice_read(struct file *in, loff_t *ppos,
 				 struct pipe_inode_info *pipe, size_t len,
@@ -1170,7 +1171,7 @@ ssize_t splice_direct_to_actor(struct file *in, struct splice_desc *sd,
 	 * randomly drop data for eg socket -> socket splicing. Use the
 	 * piped splicing for that!
 	 */
-	i_mode = in->f_path.dentry->d_inode->i_mode;
+	i_mode = file_inode(in)->i_mode;
 	if (unlikely(!S_ISREG(i_mode) && !S_ISBLK(i_mode)))
 		return -EINVAL;
 
diff --git a/fs/squashfs/dir.c b/fs/squashfs/dir.c
index b381305c9a4..57dc70ebbb1 100644
--- a/fs/squashfs/dir.c
+++ b/fs/squashfs/dir.c
@@ -102,7 +102,7 @@ static int get_dir_index_using_offset(struct super_block *sb,
 
 static int squashfs_readdir(struct file *file, void *dirent, filldir_t filldir)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct squashfs_sb_info *msblk = inode->i_sb->s_fs_info;
 	u64 block = squashfs_i(inode)->start + msblk->directory_table;
 	int offset = squashfs_i(inode)->offset, length, dir_count, size,
diff --git a/fs/stat.c b/fs/stat.c
index 14f45459c83..04ce1ac20d2 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -37,17 +37,17 @@ void generic_fillattr(struct inode *inode, struct kstat *stat)
 
 EXPORT_SYMBOL(generic_fillattr);
 
-int vfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
+int vfs_getattr(struct path *path, struct kstat *stat)
 {
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = path->dentry->d_inode;
 	int retval;
 
-	retval = security_inode_getattr(mnt, dentry);
+	retval = security_inode_getattr(path->mnt, path->dentry);
 	if (retval)
 		return retval;
 
 	if (inode->i_op->getattr)
-		return inode->i_op->getattr(mnt, dentry, stat);
+		return inode->i_op->getattr(path->mnt, path->dentry, stat);
 
 	generic_fillattr(inode, stat);
 	return 0;
@@ -61,8 +61,7 @@ int vfs_fstat(unsigned int fd, struct kstat *stat)
 	int error = -EBADF;
 
 	if (f.file) {
-		error = vfs_getattr(f.file->f_path.mnt, f.file->f_path.dentry,
-				    stat);
+		error = vfs_getattr(&f.file->f_path, stat);
 		fdput(f);
 	}
 	return error;
@@ -89,7 +88,7 @@ retry:
 	if (error)
 		goto out;
 
-	error = vfs_getattr(path.mnt, path.dentry, stat);
+	error = vfs_getattr(&path, stat);
 	path_put(&path);
 	if (retry_estale(error, lookup_flags)) {
 		lookup_flags |= LOOKUP_REVAL;
diff --git a/fs/sync.c b/fs/sync.c
index 14eefeb4463..2c5d6639a66 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -332,7 +332,7 @@ SYSCALL_DEFINE(sync_file_range)(int fd, loff_t offset, loff_t nbytes,
 	if (!f.file)
 		goto out;
 
-	i_mode = f.file->f_path.dentry->d_inode->i_mode;
+	i_mode = file_inode(f.file)->i_mode;
 	ret = -ESPIPE;
 	if (!S_ISREG(i_mode) && !S_ISBLK(i_mode) && !S_ISDIR(i_mode) &&
 			!S_ISLNK(i_mode))
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c
index 614b2b54488..2ce9a5db6ab 100644
--- a/fs/sysfs/bin.c
+++ b/fs/sysfs/bin.c
@@ -70,7 +70,7 @@ static ssize_t
 read(struct file *file, char __user *userbuf, size_t bytes, loff_t *off)
 {
 	struct bin_buffer *bb = file->private_data;
-	int size = file->f_path.dentry->d_inode->i_size;
+	int size = file_inode(file)->i_size;
 	loff_t offs = *off;
 	int count = min_t(size_t, bytes, PAGE_SIZE);
 	char *temp;
@@ -140,7 +140,7 @@ static ssize_t write(struct file *file, const char __user *userbuf,
 		     size_t bytes, loff_t *off)
 {
 	struct bin_buffer *bb = file->private_data;
-	int size = file->f_path.dentry->d_inode->i_size;
+	int size = file_inode(file)->i_size;
 	loff_t offs = *off;
 	int count = min_t(size_t, bytes, PAGE_SIZE);
 	char *temp;
@@ -469,7 +469,7 @@ void unmap_bin_file(struct sysfs_dirent *attr_sd)
 	mutex_lock(&sysfs_bin_lock);
 
 	hlist_for_each_entry(bb, tmp, &attr_sd->s_bin_attr.buffers, list) {
-		struct inode *inode = bb->file->f_path.dentry->d_inode;
+		struct inode *inode = file_inode(bb->file);
 
 		unmap_mapping_range(inode->i_mapping, 0, 0, 1);
 	}
diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c
index a77c4215762..3799e8dac3e 100644
--- a/fs/sysv/dir.c
+++ b/fs/sysv/dir.c
@@ -68,7 +68,7 @@ static struct page * dir_get_page(struct inode *dir, unsigned long n)
 static int sysv_readdir(struct file * filp, void * dirent, filldir_t filldir)
 {
 	unsigned long pos = filp->f_pos;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	unsigned offset = pos & ~PAGE_CACHE_MASK;
 	unsigned long n = pos >> PAGE_CACHE_SHIFT;
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index 8a574776a49..de08c92f2e2 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -352,7 +352,7 @@ static int ubifs_readdir(struct file *file, void *dirent, filldir_t filldir)
 	struct qstr nm;
 	union ubifs_key key;
 	struct ubifs_dent_node *dent;
-	struct inode *dir = file->f_path.dentry->d_inode;
+	struct inode *dir = file_inode(file);
 	struct ubifs_info *c = dir->i_sb->s_fs_info;
 
 	dbg_gen("dir ino %lu, f_pos %#llx", dir->i_ino, file->f_pos);
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 4f6493c130e..f12189d2db1 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1444,7 +1444,7 @@ static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma,
 				 struct vm_fault *vmf)
 {
 	struct page *page = vmf->page;
-	struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(vma->vm_file);
 	struct ubifs_info *c = inode->i_sb->s_fs_info;
 	struct timespec now = ubifs_current_time(inode);
 	struct ubifs_budget_req req = { .new_page = 1 };
diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c
index 1a7e2d8bdbe..648b143606c 100644
--- a/fs/ubifs/ioctl.c
+++ b/fs/ubifs/ioctl.c
@@ -147,7 +147,7 @@ out_unlock:
 long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	int flags, err;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 
 	switch (cmd) {
 	case FS_IOC_GETFLAGS:
diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index eb8bfe2b89a..b3e93f5e17c 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -186,7 +186,7 @@ out:
 
 static int udf_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
-	struct inode *dir = filp->f_path.dentry->d_inode;
+	struct inode *dir = file_inode(filp);
 	int result;
 
 	if (filp->f_pos == 0) {
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 77b5953eaac..29569dd0816 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -139,7 +139,7 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
 {
 	ssize_t retval;
 	struct file *file = iocb->ki_filp;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int err, pos;
 	size_t count = iocb->ki_left;
 	struct udf_inode_info *iinfo = UDF_I(inode);
@@ -178,7 +178,7 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
 
 long udf_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	long old_block, new_block;
 	int result = -EINVAL;
 
@@ -204,7 +204,7 @@ long udf_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		goto out;
 	case UDF_RELOCATE_BLOCKS:
 		if (!capable(CAP_SYS_ADMIN)) {
-			result = -EACCES;
+			result = -EPERM;
 			goto out;
 		}
 		if (get_user(old_block, (long __user *)arg)) {
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index 95fee278ab9..102c072c6bb 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -1270,10 +1270,10 @@ static int udf_encode_fh(struct inode *inode, __u32 *fh, int *lenp,
 
 	if (parent && (len < 5)) {
 		*lenp = 5;
-		return 255;
+		return FILEID_INVALID;
 	} else if (len < 3) {
 		*lenp = 3;
-		return 255;
+		return FILEID_INVALID;
 	}
 
 	*lenp = 3;
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index dbc90994715..3a75ca09c50 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -433,7 +433,7 @@ static int
 ufs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 {
 	loff_t pos = filp->f_pos;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct super_block *sb = inode->i_sb;
 	unsigned int offset = pos & ~PAGE_CACHE_MASK;
 	unsigned long n = pos >> PAGE_CACHE_SHIFT;
diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c
index a8bd26b82ec..f852b082a08 100644
--- a/fs/xfs/xfs_dfrag.c
+++ b/fs/xfs/xfs_dfrag.c
@@ -78,14 +78,14 @@ xfs_swapext(
 		goto out_put_tmp_file;
 	}
 
-	if (IS_SWAPFILE(f.file->f_path.dentry->d_inode) ||
-	    IS_SWAPFILE(tmp.file->f_path.dentry->d_inode)) {
+	if (IS_SWAPFILE(file_inode(f.file)) ||
+	    IS_SWAPFILE(file_inode(tmp.file))) {
 		error = XFS_ERROR(EINVAL);
 		goto out_put_tmp_file;
 	}
 
-	ip = XFS_I(f.file->f_path.dentry->d_inode);
-	tip = XFS_I(tmp.file->f_path.dentry->d_inode);
+	ip = XFS_I(file_inode(f.file));
+	tip = XFS_I(file_inode(tmp.file));
 
 	if (ip->i_mount != tip->i_mount) {
 		error = XFS_ERROR(EINVAL);
diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c
index a83611849ce..c585bc64639 100644
--- a/fs/xfs/xfs_export.c
+++ b/fs/xfs/xfs_export.c
@@ -48,7 +48,7 @@ static int xfs_fileid_length(int fileid_type)
 	case FILEID_INO32_GEN_PARENT | XFS_FILEID_TYPE_64FLAG:
 		return 6;
 	}
-	return 255; /* invalid */
+	return FILEID_INVALID;
 }
 
 STATIC int
@@ -90,7 +90,7 @@ xfs_fs_encode_fh(
 	len = xfs_fileid_length(fileid_type);
 	if (*max_len < len) {
 		*max_len = len;
-		return 255;
+		return FILEID_INVALID;
 	}
 	*max_len = len;
 
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 67284edb84d..f03bf1a456f 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -811,7 +811,7 @@ xfs_file_fallocate(
 	loff_t		offset,
 	loff_t		len)
 {
-	struct inode	*inode = file->f_path.dentry->d_inode;
+	struct inode	*inode = file_inode(file);
 	long		error;
 	loff_t		new_size = 0;
 	xfs_flock64_t	bf;
@@ -912,7 +912,7 @@ xfs_file_readdir(
 	void		*dirent,
 	filldir_t	filldir)
 {
-	struct inode	*inode = filp->f_path.dentry->d_inode;
+	struct inode	*inode = file_inode(filp);
 	xfs_inode_t	*ip = XFS_I(inode);
 	int		error;
 	size_t		bufsize;
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index c1c3ef88a26..d681e34c295 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -80,7 +80,7 @@ xfs_find_handle(
 		f = fdget(hreq->fd);
 		if (!f.file)
 			return -EBADF;
-		inode = f.file->f_path.dentry->d_inode;
+		inode = file_inode(f.file);
 	} else {
 		error = user_lpath((const char __user *)hreq->path, &path);
 		if (error)
@@ -168,7 +168,7 @@ xfs_handle_to_dentry(
 	/*
 	 * Only allow handle opens under a directory.
 	 */
-	if (!S_ISDIR(parfilp->f_path.dentry->d_inode->i_mode))
+	if (!S_ISDIR(file_inode(parfilp)->i_mode))
 		return ERR_PTR(-ENOTDIR);
 
 	if (hlen != sizeof(xfs_handle_t))
@@ -1334,7 +1334,7 @@ xfs_file_ioctl(
 	unsigned int		cmd,
 	unsigned long		p)
 {
-	struct inode		*inode = filp->f_path.dentry->d_inode;
+	struct inode		*inode = file_inode(filp);
 	struct xfs_inode	*ip = XFS_I(inode);
 	struct xfs_mount	*mp = ip->i_mount;
 	void			__user *arg = (void __user *)p;
diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c
index 1244274a567..63b8fc43215 100644
--- a/fs/xfs/xfs_ioctl32.c
+++ b/fs/xfs/xfs_ioctl32.c
@@ -530,7 +530,7 @@ xfs_file_compat_ioctl(
 	unsigned		cmd,
 	unsigned long		p)
 {
-	struct inode		*inode = filp->f_path.dentry->d_inode;
+	struct inode		*inode = file_inode(filp);
 	struct xfs_inode	*ip = XFS_I(inode);
 	struct xfs_mount	*mp = ip->i_mount;
 	void			__user *arg = (void __user *)p;
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index 0530b986035..c3a09149f79 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -111,7 +111,6 @@ extern int suid_dumpable;
 extern int setup_arg_pages(struct linux_binprm * bprm,
 			   unsigned long stack_top,
 			   int executable_stack);
-extern int bprm_mm_init(struct linux_binprm *bprm);
 extern int bprm_change_interp(char *interp, struct linux_binprm *bprm);
 extern int copy_strings_kernel(int argc, const char *const *argv,
 			       struct linux_binprm *bprm);
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index c1754b59ddd..1a6bb81f0fe 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -145,6 +145,7 @@ enum dentry_d_lock_class
 
 struct dentry_operations {
 	int (*d_revalidate)(struct dentry *, unsigned int);
+	int (*d_weak_revalidate)(struct dentry *, unsigned int);
 	int (*d_hash)(const struct dentry *, const struct inode *,
 			struct qstr *);
 	int (*d_compare)(const struct dentry *, const struct inode *,
@@ -192,6 +193,8 @@ struct dentry_operations {
 #define DCACHE_GENOCIDE		0x0200
 #define DCACHE_SHRINK_LIST	0x0400
 
+#define DCACHE_OP_WEAK_REVALIDATE	0x0800
+
 #define DCACHE_NFSFS_RENAMED	0x1000
      /* this dentry has been "silly renamed" and has to be deleted on the last
       * dput() */
@@ -293,9 +296,9 @@ extern void d_move(struct dentry *, struct dentry *);
 extern struct dentry *d_ancestor(struct dentry *, struct dentry *);
 
 /* appendix may either be NULL or be used for transname suffixes */
-extern struct dentry *d_lookup(struct dentry *, struct qstr *);
+extern struct dentry *d_lookup(const struct dentry *, const struct qstr *);
 extern struct dentry *d_hash_and_lookup(struct dentry *, struct qstr *);
-extern struct dentry *__d_lookup(struct dentry *, struct qstr *);
+extern struct dentry *__d_lookup(const struct dentry *, const struct qstr *);
 extern struct dentry *__d_lookup_rcu(const struct dentry *parent,
 				const struct qstr *name,
 				unsigned *seq, struct inode *inode);
@@ -333,7 +336,6 @@ extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...);
 extern char *__d_path(const struct path *, const struct path *, char *, int);
 extern char *d_absolute_path(const struct path *, char *, int);
 extern char *d_path(const struct path *, char *, int);
-extern char *d_path_with_unreachable(const struct path *, char *, int);
 extern char *dentry_path_raw(struct dentry *, char *, int);
 extern char *dentry_path(struct dentry *, char *, int);
 
diff --git a/include/linux/elf.h b/include/linux/elf.h
index 8c9048e3346..40a3c0e01b2 100644
--- a/include/linux/elf.h
+++ b/include/linux/elf.h
@@ -10,6 +10,10 @@
      Override in asm/elf.h as needed.  */
 # define elf_read_implies_exec(ex, have_pt_gnu_stack)	0
 #endif
+#ifndef SET_PERSONALITY
+#define SET_PERSONALITY(ex) \
+	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
+#endif
 
 #if ELF_CLASS == ELFCLASS32
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7d2e893ec3d..4e686a09946 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -769,7 +769,6 @@ struct file {
 	} f_u;
 	struct path		f_path;
 #define f_dentry	f_path.dentry
-#define f_vfsmnt	f_path.mnt
 	const struct file_operations	*f_op;
 
 	/*
@@ -1807,7 +1806,6 @@ struct file_system_type {
 #define FS_HAS_SUBTYPE		4
 #define FS_USERNS_MOUNT		8	/* Can be mounted by userns root */
 #define FS_USERNS_DEV_MOUNT	16 /* A userns mount does not imply MNT_NODEV */
-#define FS_REVAL_DOT		16384	/* Check the paths ".", ".." for staleness */
 #define FS_RENAME_DOES_D_MOVE	32768	/* FS will handle d_move() during rename() internally. */
 	struct dentry *(*mount) (struct file_system_type *, int,
 		       const char *, void *);
@@ -2217,6 +2215,11 @@ static inline bool execute_ok(struct inode *inode)
 	return (inode->i_mode & S_IXUGO) || S_ISDIR(inode->i_mode);
 }
 
+static inline struct inode *file_inode(struct file *f)
+{
+	return f->f_path.dentry->d_inode;
+}
+
 /*
  * get_write_access() gets write permission for a file.
  * put_write_access() releases this write permission.
@@ -2239,7 +2242,7 @@ static inline int get_write_access(struct inode *inode)
 }
 static inline int deny_write_access(struct file *file)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	return atomic_dec_unless_positive(&inode->i_writecount) ? 0 : -ETXTBSY;
 }
 static inline void put_write_access(struct inode * inode)
@@ -2249,7 +2252,7 @@ static inline void put_write_access(struct inode * inode)
 static inline void allow_write_access(struct file *file)
 {
 	if (file)
-		atomic_inc(&file->f_path.dentry->d_inode->i_writecount);
+		atomic_inc(&file_inode(file)->i_writecount);
 }
 #ifdef CONFIG_IMA
 static inline void i_readcount_dec(struct inode *inode)
@@ -2274,6 +2277,7 @@ static inline void i_readcount_inc(struct inode *inode)
 extern int do_pipe_flags(int *, int);
 
 extern int kernel_read(struct file *, loff_t, char *, unsigned long);
+extern ssize_t kernel_write(struct file *, const char *, size_t, loff_t);
 extern struct file * open_exec(const char *);
  
 /* fs/dcache.c -- generic fs support functions */
@@ -2463,7 +2467,7 @@ extern int page_symlink(struct inode *inode, const char *symname, int len);
 extern const struct inode_operations page_symlink_inode_operations;
 extern int generic_readlink(struct dentry *, char __user *, int);
 extern void generic_fillattr(struct inode *, struct kstat *);
-extern int vfs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+extern int vfs_getattr(struct path *, struct kstat *);
 void __inode_add_bytes(struct inode *inode, loff_t bytes);
 void inode_add_bytes(struct inode *inode, loff_t bytes);
 void inode_sub_bytes(struct inode *inode, loff_t bytes);
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 0fbfb4646d1..a78680a92db 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -244,7 +244,7 @@ static inline void fsnotify_open(struct file *file)
 static inline void fsnotify_close(struct file *file)
 {
 	struct path *path = &file->f_path;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	fmode_t mode = file->f_mode;
 	__u32 mask = (mode & FMODE_WRITE) ? FS_CLOSE_WRITE : FS_CLOSE_NOWRITE;
 
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index eedc334fb6f..16e4e9a643f 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -281,7 +281,7 @@ static inline struct hstate *hstate_inode(struct inode *i)
 
 static inline struct hstate *hstate_file(struct file *f)
 {
-	return hstate_inode(f->f_dentry->d_inode);
+	return hstate_inode(file_inode(f));
 }
 
 static inline struct hstate *hstate_vma(struct vm_area_struct *vma)
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index f5a051a7927..0e62d84f9f7 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -291,7 +291,7 @@ int           nlmsvc_unlock_all_by_ip(struct sockaddr *server_addr);
 
 static inline struct inode *nlmsvc_file_inode(struct nlm_file *file)
 {
-	return file->f_file->f_path.dentry->d_inode;
+	return file_inode(file->f_file);
 }
 
 static inline int __nlm_privileged_request4(const struct sockaddr *sap)
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 023c9867ff4..e5c4f609f22 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -477,7 +477,7 @@ static int mqueue_unlink(struct inode *dir, struct dentry *dentry)
 static ssize_t mqueue_read_file(struct file *filp, char __user *u_data,
 				size_t count, loff_t *off)
 {
-	struct mqueue_inode_info *info = MQUEUE_I(filp->f_path.dentry->d_inode);
+	struct mqueue_inode_info *info = MQUEUE_I(file_inode(filp));
 	char buffer[FILENT_SIZE];
 	ssize_t ret;
 
@@ -498,13 +498,13 @@ static ssize_t mqueue_read_file(struct file *filp, char __user *u_data,
 	if (ret <= 0)
 		return ret;
 
-	filp->f_path.dentry->d_inode->i_atime = filp->f_path.dentry->d_inode->i_ctime = CURRENT_TIME;
+	file_inode(filp)->i_atime = file_inode(filp)->i_ctime = CURRENT_TIME;
 	return ret;
 }
 
 static int mqueue_flush_file(struct file *filp, fl_owner_t id)
 {
-	struct mqueue_inode_info *info = MQUEUE_I(filp->f_path.dentry->d_inode);
+	struct mqueue_inode_info *info = MQUEUE_I(file_inode(filp));
 
 	spin_lock(&info->lock);
 	if (task_tgid(current) == info->notify_owner)
@@ -516,7 +516,7 @@ static int mqueue_flush_file(struct file *filp, fl_owner_t id)
 
 static unsigned int mqueue_poll_file(struct file *filp, struct poll_table_struct *poll_tab)
 {
-	struct mqueue_inode_info *info = MQUEUE_I(filp->f_path.dentry->d_inode);
+	struct mqueue_inode_info *info = MQUEUE_I(file_inode(filp));
 	int retval = 0;
 
 	poll_wait(filp, &info->wait_q, poll_tab);
@@ -973,7 +973,7 @@ SYSCALL_DEFINE5(mq_timedsend, mqd_t, mqdes, const char __user *, u_msg_ptr,
 		goto out;
 	}
 
-	inode = f.file->f_path.dentry->d_inode;
+	inode = file_inode(f.file);
 	if (unlikely(f.file->f_op != &mqueue_file_operations)) {
 		ret = -EBADF;
 		goto out_fput;
@@ -1089,7 +1089,7 @@ SYSCALL_DEFINE5(mq_timedreceive, mqd_t, mqdes, char __user *, u_msg_ptr,
 		goto out;
 	}
 
-	inode = f.file->f_path.dentry->d_inode;
+	inode = file_inode(f.file);
 	if (unlikely(f.file->f_op != &mqueue_file_operations)) {
 		ret = -EBADF;
 		goto out_fput;
@@ -1249,7 +1249,7 @@ retry:
 		goto out;
 	}
 
-	inode = f.file->f_path.dentry->d_inode;
+	inode = file_inode(f.file);
 	if (unlikely(f.file->f_op != &mqueue_file_operations)) {
 		ret = -EBADF;
 		goto out_fput;
@@ -1323,7 +1323,7 @@ SYSCALL_DEFINE3(mq_getsetattr, mqd_t, mqdes,
 		goto out;
 	}
 
-	inode = f.file->f_path.dentry->d_inode;
+	inode = file_inode(f.file);
 	if (unlikely(f.file->f_op != &mqueue_file_operations)) {
 		ret = -EBADF;
 		goto out_fput;
diff --git a/ipc/shm.c b/ipc/shm.c
index be3ec9ae454..cb858df061d 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -193,7 +193,7 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp)
 	if (!is_file_hugepages(shp->shm_file))
 		shmem_lock(shp->shm_file, 0, shp->mlock_user);
 	else if (shp->mlock_user)
-		user_shm_unlock(shp->shm_file->f_path.dentry->d_inode->i_size,
+		user_shm_unlock(file_inode(shp->shm_file)->i_size,
 						shp->mlock_user);
 	fput (shp->shm_file);
 	security_shm_free(shp);
@@ -529,7 +529,7 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
 	 * shmid gets reported as "inode#" in /proc/pid/maps.
 	 * proc-ps tools use this. Changing this will break them.
 	 */
-	file->f_dentry->d_inode->i_ino = shp->shm_perm.id;
+	file_inode(file)->i_ino = shp->shm_perm.id;
 
 	ns->shm_tot += numpages;
 	error = shp->shm_perm.id;
@@ -678,7 +678,7 @@ static void shm_add_rss_swap(struct shmid_kernel *shp,
 {
 	struct inode *inode;
 
-	inode = shp->shm_file->f_path.dentry->d_inode;
+	inode = file_inode(shp->shm_file);
 
 	if (is_file_hugepages(shp->shm_file)) {
 		struct address_space *mapping = inode->i_mapping;
@@ -1042,7 +1042,8 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
 			  is_file_hugepages(shp->shm_file) ?
 				&shm_file_operations_huge :
 				&shm_file_operations);
-	if (!file)
+	err = PTR_ERR(file);
+	if (IS_ERR(file))
 		goto out_free;
 
 	file->private_data = sfd;
@@ -1175,7 +1176,7 @@ SYSCALL_DEFINE1(shmdt, char __user *, shmaddr)
 			(vma->vm_start - addr)/PAGE_SIZE == vma->vm_pgoff) {
 
 
-			size = vma->vm_file->f_path.dentry->d_inode->i_size;
+			size = file_inode(vma->vm_file)->i_size;
 			do_munmap(mm, vma->vm_start, vma->vm_end - vma->vm_start);
 			/*
 			 * We discovered the size of the shm segment, so
diff --git a/kernel/acct.c b/kernel/acct.c
index e8b1627ab9c..b9bd7f098ee 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -205,7 +205,7 @@ static int acct_on(struct filename *pathname)
 	if (IS_ERR(file))
 		return PTR_ERR(file);
 
-	if (!S_ISREG(file->f_path.dentry->d_inode->i_mode)) {
+	if (!S_ISREG(file_inode(file)->i_mode)) {
 		filp_close(file, NULL);
 		return -EACCES;
 	}
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index b5c64327e71..fb2fb11fbb2 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2645,7 +2645,7 @@ static struct dentry *cgroup_lookup(struct inode *dir, struct dentry *dentry, un
  */
 static inline struct cftype *__file_cft(struct file *file)
 {
-	if (file->f_dentry->d_inode->i_fop != &cgroup_file_operations)
+	if (file_inode(file)->i_fop != &cgroup_file_operations)
 		return ERR_PTR(-EINVAL);
 	return __d_cft(file->f_dentry);
 }
@@ -3902,7 +3902,7 @@ static int cgroup_write_event_control(struct cgroup *cgrp, struct cftype *cft,
 
 	/* the process need read permission on control file */
 	/* AV: shouldn't we check that it's been opened for read instead? */
-	ret = inode_permission(cfile->f_path.dentry->d_inode, MAY_READ);
+	ret = inode_permission(file_inode(cfile), MAY_READ);
 	if (ret < 0)
 		goto fail;
 
@@ -5489,7 +5489,7 @@ struct cgroup_subsys_state *cgroup_css_from_dir(struct file *f, int id)
 	struct inode *inode;
 	struct cgroup_subsys_state *css;
 
-	inode = f->f_dentry->d_inode;
+	inode = file_inode(f);
 	/* check in cgroup filesystem dir */
 	if (inode->i_op != &cgroup_dir_inode_operations)
 		return ERR_PTR(-EBADF);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 5c75791d726..ccc457e3635 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3691,7 +3691,7 @@ unlock:
 
 static int perf_fasync(int fd, struct file *filp, int on)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct perf_event *event = filp->private_data;
 	int retval;
 
diff --git a/kernel/fork.c b/kernel/fork.c
index 4133876d8cd..8f62b2a0f12 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -413,7 +413,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
 		tmp->vm_next = tmp->vm_prev = NULL;
 		file = tmp->vm_file;
 		if (file) {
-			struct inode *inode = file->f_path.dentry->d_inode;
+			struct inode *inode = file_inode(file);
 			struct address_space *mapping = file->f_mapping;
 
 			get_file(file);
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 4bd4faa6323..397db02209e 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -76,7 +76,7 @@ static int irq_affinity_list_proc_show(struct seq_file *m, void *v)
 static ssize_t write_irq_affinity(int type, struct file *file,
 		const char __user *buffer, size_t count, loff_t *pos)
 {
-	unsigned int irq = (int)(long)PDE(file->f_path.dentry->d_inode)->data;
+	unsigned int irq = (int)(long)PDE(file_inode(file))->data;
 	cpumask_var_t new_value;
 	int err;
 
diff --git a/kernel/module.c b/kernel/module.c
index 921bed4794e..0925c9a7197 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2541,7 +2541,7 @@ static int copy_module_from_fd(int fd, struct load_info *info)
 	if (err)
 		goto out;
 
-	err = vfs_getattr(file->f_vfsmnt, file->f_dentry, &stat);
+	err = vfs_getattr(&file->f_path, &stat);
 	if (err)
 		goto out;
 
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index b781e66a8f2..afc0456f227 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -250,7 +250,7 @@ SYSCALL_DEFINE2(setns, int, fd, int, nstype)
 		return PTR_ERR(file);
 
 	err = -EINVAL;
-	ei = PROC_I(file->f_dentry->d_inode);
+	ei = PROC_I(file_inode(file));
 	ops = ei->ns_ops;
 	if (nstype && (ops->type != nstype))
 		goto out;
diff --git a/kernel/relay.c b/kernel/relay.c
index e8cd2027abb..01ab081ac53 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1139,7 +1139,7 @@ static ssize_t relay_file_read_subbufs(struct file *filp, loff_t *ppos,
 	if (!desc->count)
 		return 0;
 
-	mutex_lock(&filp->f_path.dentry->d_inode->i_mutex);
+	mutex_lock(&file_inode(filp)->i_mutex);
 	do {
 		if (!relay_file_read_avail(buf, *ppos))
 			break;
@@ -1159,7 +1159,7 @@ static ssize_t relay_file_read_subbufs(struct file *filp, loff_t *ppos,
 			*ppos = relay_file_read_end_pos(buf, read_start, ret);
 		}
 	} while (desc->count && ret);
-	mutex_unlock(&filp->f_path.dentry->d_inode->i_mutex);
+	mutex_unlock(&file_inode(filp)->i_mutex);
 
 	return desc->written;
 }
diff --git a/kernel/sys.c b/kernel/sys.c
index 2e18d33ca77..e10566bee39 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1794,14 +1794,14 @@ SYSCALL_DEFINE1(umask, int, mask)
 static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd)
 {
 	struct fd exe;
-	struct dentry *dentry;
+	struct inode *inode;
 	int err;
 
 	exe = fdget(fd);
 	if (!exe.file)
 		return -EBADF;
 
-	dentry = exe.file->f_path.dentry;
+	inode = file_inode(exe.file);
 
 	/*
 	 * Because the original mm->exe_file points to executable file, make
@@ -1809,11 +1809,11 @@ static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd)
 	 * overall picture.
 	 */
 	err = -EACCES;
-	if (!S_ISREG(dentry->d_inode->i_mode)	||
+	if (!S_ISREG(inode->i_mode)	||
 	    exe.file->f_path.mnt->mnt_flags & MNT_NOEXEC)
 		goto exit;
 
-	err = inode_permission(dentry->d_inode, MAY_EXEC);
+	err = inode_permission(inode, MAY_EXEC);
 	if (err)
 		goto exit;
 
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index b669ca1fa10..b25115e8c7f 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -970,7 +970,6 @@ out:
 static ssize_t bin_intvec(struct file *file,
 	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
 {
-	mm_segment_t old_fs = get_fs();
 	ssize_t copied = 0;
 	char *buffer;
 	ssize_t result;
@@ -983,13 +982,10 @@ static ssize_t bin_intvec(struct file *file,
 	if (oldval && oldlen) {
 		unsigned __user *vec = oldval;
 		size_t length = oldlen / sizeof(*vec);
-		loff_t pos = 0;
 		char *str, *end;
 		int i;
 
-		set_fs(KERNEL_DS);
-		result = vfs_read(file, buffer, BUFSZ - 1, &pos);
-		set_fs(old_fs);
+		result = kernel_read(file, 0, buffer, BUFSZ - 1);
 		if (result < 0)
 			goto out_kfree;
 
@@ -1016,7 +1012,6 @@ static ssize_t bin_intvec(struct file *file,
 	if (newval && newlen) {
 		unsigned __user *vec = newval;
 		size_t length = newlen / sizeof(*vec);
-		loff_t pos = 0;
 		char *str, *end;
 		int i;
 
@@ -1032,9 +1027,7 @@ static ssize_t bin_intvec(struct file *file,
 			str += snprintf(str, end - str, "%lu\t", value);
 		}
 
-		set_fs(KERNEL_DS);
-		result = vfs_write(file, buffer, str - buffer, &pos);
-		set_fs(old_fs);
+		result = kernel_write(file, buffer, str - buffer, 0);
 		if (result < 0)
 			goto out_kfree;
 	}
@@ -1048,7 +1041,6 @@ out:
 static ssize_t bin_ulongvec(struct file *file,
 	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
 {
-	mm_segment_t old_fs = get_fs();
 	ssize_t copied = 0;
 	char *buffer;
 	ssize_t result;
@@ -1061,13 +1053,10 @@ static ssize_t bin_ulongvec(struct file *file,
 	if (oldval && oldlen) {
 		unsigned long __user *vec = oldval;
 		size_t length = oldlen / sizeof(*vec);
-		loff_t pos = 0;
 		char *str, *end;
 		int i;
 
-		set_fs(KERNEL_DS);
-		result = vfs_read(file, buffer, BUFSZ - 1, &pos);
-		set_fs(old_fs);
+		result = kernel_read(file, 0, buffer, BUFSZ - 1);
 		if (result < 0)
 			goto out_kfree;
 
@@ -1094,7 +1083,6 @@ static ssize_t bin_ulongvec(struct file *file,
 	if (newval && newlen) {
 		unsigned long __user *vec = newval;
 		size_t length = newlen / sizeof(*vec);
-		loff_t pos = 0;
 		char *str, *end;
 		int i;
 
@@ -1110,9 +1098,7 @@ static ssize_t bin_ulongvec(struct file *file,
 			str += snprintf(str, end - str, "%lu\t", value);
 		}
 
-		set_fs(KERNEL_DS);
-		result = vfs_write(file, buffer, str - buffer, &pos);
-		set_fs(old_fs);
+		result = kernel_write(file, buffer, str - buffer, 0);
 		if (result < 0)
 			goto out_kfree;
 	}
@@ -1126,19 +1112,15 @@ out:
 static ssize_t bin_uuid(struct file *file,
 	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
 {
-	mm_segment_t old_fs = get_fs();
 	ssize_t result, copied = 0;
 
 	/* Only supports reads */
 	if (oldval && oldlen) {
-		loff_t pos = 0;
 		char buf[40], *str = buf;
 		unsigned char uuid[16];
 		int i;
 
-		set_fs(KERNEL_DS);
-		result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
-		set_fs(old_fs);
+		result = kernel_read(file, 0, buf, sizeof(buf) - 1);
 		if (result < 0)
 			goto out;
 
@@ -1174,18 +1156,14 @@ out:
 static ssize_t bin_dn_node_address(struct file *file,
 	void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
 {
-	mm_segment_t old_fs = get_fs();
 	ssize_t result, copied = 0;
 
 	if (oldval && oldlen) {
-		loff_t pos = 0;
 		char buf[15], *nodep;
 		unsigned long area, node;
 		__le16 dnaddr;
 
-		set_fs(KERNEL_DS);
-		result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
-		set_fs(old_fs);
+		result = kernel_read(file, 0, buf, sizeof(buf) - 1);
 		if (result < 0)
 			goto out;
 
@@ -1214,7 +1192,6 @@ static ssize_t bin_dn_node_address(struct file *file,
 	}
 
 	if (newval && newlen) {
-		loff_t pos = 0;
 		__le16 dnaddr;
 		char buf[15];
 		int len;
@@ -1231,9 +1208,7 @@ static ssize_t bin_dn_node_address(struct file *file,
 				le16_to_cpu(dnaddr) >> 10,
 				le16_to_cpu(dnaddr) & 0x3ff);
 
-		set_fs(KERNEL_DS);
-		result = vfs_write(file, buf, len, &pos);
-		set_fs(old_fs);
+		result = kernel_write(file, buf, len, 0);
 		if (result < 0)
 			goto out;
 	}
diff --git a/mm/cleancache.c b/mm/cleancache.c
index 32e6f4136fa..d76ba74be2d 100644
--- a/mm/cleancache.c
+++ b/mm/cleancache.c
@@ -89,7 +89,7 @@ static int cleancache_get_key(struct inode *inode,
 		fhfn = sb->s_export_op->encode_fh;
 		if  (fhfn) {
 			len = (*fhfn)(inode, &key->u.fh[0], &maxlen, NULL);
-			if (len <= 0 || len == 255)
+			if (len <= FILEID_ROOT || len == FILEID_INVALID)
 				return -1;
 			if (maxlen > CLEANCACHE_KEY_MAX)
 				return -1;
diff --git a/mm/fadvise.c b/mm/fadvise.c
index 909ec558625..7e092689a12 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -39,7 +39,7 @@ SYSCALL_DEFINE(fadvise64_64)(int fd, loff_t offset, loff_t len, int advice)
 	if (!f.file)
 		return -EBADF;
 
-	if (S_ISFIFO(f.file->f_path.dentry->d_inode->i_mode)) {
+	if (S_ISFIFO(file_inode(f.file)->i_mode)) {
 		ret = -ESPIPE;
 		goto out;
 	}
diff --git a/mm/filemap.c b/mm/filemap.c
index c610076c30e..e1979fdca80 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1711,7 +1711,7 @@ EXPORT_SYMBOL(filemap_fault);
 int filemap_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
 	struct page *page = vmf->page;
-	struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(vma->vm_file);
 	int ret = VM_FAULT_LOCKED;
 
 	sb_start_pagefault(inode->i_sb);
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index cdb64e4d238..0a0be33bb19 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -127,7 +127,7 @@ static inline struct hugepage_subpool *subpool_inode(struct inode *inode)
 
 static inline struct hugepage_subpool *subpool_vma(struct vm_area_struct *vma)
 {
-	return subpool_inode(vma->vm_file->f_dentry->d_inode);
+	return subpool_inode(file_inode(vma->vm_file));
 }
 
 /*
@@ -2479,7 +2479,7 @@ static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
 	address = address & huge_page_mask(h);
 	pgoff = ((address - vma->vm_start) >> PAGE_SHIFT) +
 			vma->vm_pgoff;
-	mapping = vma->vm_file->f_dentry->d_inode->i_mapping;
+	mapping = file_inode(vma->vm_file)->i_mapping;
 
 	/*
 	 * Take the mapping lock for the duration of the table walk. As
diff --git a/mm/mmap.c b/mm/mmap.c
index 318e121affd..37a1fcac029 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -203,7 +203,7 @@ static void __remove_shared_vm_struct(struct vm_area_struct *vma,
 		struct file *file, struct address_space *mapping)
 {
 	if (vma->vm_flags & VM_DENYWRITE)
-		atomic_inc(&file->f_path.dentry->d_inode->i_writecount);
+		atomic_inc(&file_inode(file)->i_writecount);
 	if (vma->vm_flags & VM_SHARED)
 		mapping->i_mmap_writable--;
 
@@ -576,7 +576,7 @@ static void __vma_link_file(struct vm_area_struct *vma)
 		struct address_space *mapping = file->f_mapping;
 
 		if (vma->vm_flags & VM_DENYWRITE)
-			atomic_dec(&file->f_path.dentry->d_inode->i_writecount);
+			atomic_dec(&file_inode(file)->i_writecount);
 		if (vma->vm_flags & VM_SHARED)
 			mapping->i_mmap_writable++;
 
@@ -1229,7 +1229,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
 			return -EAGAIN;
 	}
 
-	inode = file ? file->f_path.dentry->d_inode : NULL;
+	inode = file ? file_inode(file) : NULL;
 
 	if (file) {
 		switch (flags & MAP_TYPE) {
@@ -1431,7 +1431,7 @@ unsigned long mmap_region(struct file *file, unsigned long addr,
 	int error;
 	struct rb_node **rb_link, *rb_parent;
 	unsigned long charged = 0;
-	struct inode *inode =  file ? file->f_path.dentry->d_inode : NULL;
+	struct inode *inode =  file ? file_inode(file) : NULL;
 
 	/* Clear old maps */
 	error = -ENOMEM;
diff --git a/mm/nommu.c b/mm/nommu.c
index da0d210fd40..e1932808753 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -943,7 +943,7 @@ static int validate_mmap_request(struct file *file,
 		 */
 		mapping = file->f_mapping;
 		if (!mapping)
-			mapping = file->f_path.dentry->d_inode->i_mapping;
+			mapping = file_inode(file)->i_mapping;
 
 		capabilities = 0;
 		if (mapping && mapping->backing_dev_info)
@@ -952,7 +952,7 @@ static int validate_mmap_request(struct file *file,
 		if (!capabilities) {
 			/* no explicit capabilities set, so assume some
 			 * defaults */
-			switch (file->f_path.dentry->d_inode->i_mode & S_IFMT) {
+			switch (file_inode(file)->i_mode & S_IFMT) {
 			case S_IFREG:
 			case S_IFBLK:
 				capabilities = BDI_CAP_MAP_COPY;
@@ -987,11 +987,11 @@ static int validate_mmap_request(struct file *file,
 			    !(file->f_mode & FMODE_WRITE))
 				return -EACCES;
 
-			if (IS_APPEND(file->f_path.dentry->d_inode) &&
+			if (IS_APPEND(file_inode(file)) &&
 			    (file->f_mode & FMODE_WRITE))
 				return -EACCES;
 
-			if (locks_verify_locked(file->f_path.dentry->d_inode))
+			if (locks_verify_locked(file_inode(file)))
 				return -EAGAIN;
 
 			if (!(capabilities & BDI_CAP_MAP_DIRECT))
@@ -1327,8 +1327,8 @@ unsigned long do_mmap_pgoff(struct file *file,
 				continue;
 
 			/* search for overlapping mappings on the same file */
-			if (pregion->vm_file->f_path.dentry->d_inode !=
-			    file->f_path.dentry->d_inode)
+			if (file_inode(pregion->vm_file) !=
+			    file_inode(file))
 				continue;
 
 			if (pregion->vm_pgoff >= pgend)
diff --git a/mm/shmem.c b/mm/shmem.c
index 39de1d6a077..ed2befb4952 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -1294,7 +1294,7 @@ unlock:
 
 static int shmem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
-	struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(vma->vm_file);
 	int error;
 	int ret = VM_FAULT_LOCKED;
 
@@ -1312,14 +1312,14 @@ static int shmem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 #ifdef CONFIG_NUMA
 static int shmem_set_policy(struct vm_area_struct *vma, struct mempolicy *mpol)
 {
-	struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(vma->vm_file);
 	return mpol_set_shared_policy(&SHMEM_I(inode)->policy, vma, mpol);
 }
 
 static struct mempolicy *shmem_get_policy(struct vm_area_struct *vma,
 					  unsigned long addr)
 {
-	struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(vma->vm_file);
 	pgoff_t index;
 
 	index = ((addr - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff;
@@ -1329,7 +1329,7 @@ static struct mempolicy *shmem_get_policy(struct vm_area_struct *vma,
 
 int shmem_lock(struct file *file, int lock, struct user_struct *user)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct shmem_inode_info *info = SHMEM_I(inode);
 	int retval = -ENOMEM;
 
@@ -1464,7 +1464,7 @@ shmem_write_end(struct file *file, struct address_space *mapping,
 
 static void do_shmem_file_read(struct file *filp, loff_t *ppos, read_descriptor_t *desc, read_actor_t actor)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct address_space *mapping = inode->i_mapping;
 	pgoff_t index;
 	unsigned long offset;
@@ -1807,7 +1807,7 @@ static loff_t shmem_file_llseek(struct file *file, loff_t offset, int whence)
 static long shmem_fallocate(struct file *file, int mode, loff_t offset,
 							 loff_t len)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct shmem_sb_info *sbinfo = SHMEM_SB(inode->i_sb);
 	struct shmem_falloc shmem_falloc;
 	pgoff_t start, index, end;
@@ -2350,7 +2350,7 @@ static int shmem_encode_fh(struct inode *inode, __u32 *fh, int *len,
 {
 	if (*len < 3) {
 		*len = 3;
-		return 255;
+		return FILEID_INVALID;
 	}
 
 	if (inode_unhashed(inode)) {
@@ -2879,6 +2879,16 @@ EXPORT_SYMBOL_GPL(shmem_truncate_range);
 
 /* common code */
 
+static char *shmem_dname(struct dentry *dentry, char *buffer, int buflen)
+{
+	return dynamic_dname(dentry, buffer, buflen, "/%s (deleted)",
+				dentry->d_name.name);
+}
+
+static struct dentry_operations anon_ops = {
+	.d_dname = shmem_dname
+};
+
 /**
  * shmem_file_setup - get an unlinked file living in tmpfs
  * @name: name for dentry (to be seen in /proc/<pid>/maps
@@ -2887,15 +2897,14 @@ EXPORT_SYMBOL_GPL(shmem_truncate_range);
  */
 struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags)
 {
-	int error;
-	struct file *file;
+	struct file *res;
 	struct inode *inode;
 	struct path path;
-	struct dentry *root;
+	struct super_block *sb;
 	struct qstr this;
 
 	if (IS_ERR(shm_mnt))
-		return (void *)shm_mnt;
+		return ERR_CAST(shm_mnt);
 
 	if (size < 0 || size > MAX_LFS_FILESIZE)
 		return ERR_PTR(-EINVAL);
@@ -2903,18 +2912,19 @@ struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags
 	if (shmem_acct_size(flags, size))
 		return ERR_PTR(-ENOMEM);
 
-	error = -ENOMEM;
+	res = ERR_PTR(-ENOMEM);
 	this.name = name;
 	this.len = strlen(name);
 	this.hash = 0; /* will go */
-	root = shm_mnt->mnt_root;
-	path.dentry = d_alloc(root, &this);
+	sb = shm_mnt->mnt_sb;
+	path.dentry = d_alloc_pseudo(sb, &this);
 	if (!path.dentry)
 		goto put_memory;
+	d_set_d_op(path.dentry, &anon_ops);
 	path.mnt = mntget(shm_mnt);
 
-	error = -ENOSPC;
-	inode = shmem_get_inode(root->d_sb, NULL, S_IFREG | S_IRWXUGO, 0, flags);
+	res = ERR_PTR(-ENOSPC);
+	inode = shmem_get_inode(sb, NULL, S_IFREG | S_IRWXUGO, 0, flags);
 	if (!inode)
 		goto put_dentry;
 
@@ -2923,23 +2933,23 @@ struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags
 	clear_nlink(inode);	/* It is unlinked */
 #ifndef CONFIG_MMU
 	error = ramfs_nommu_expand_for_mapping(inode, size);
+	res = ERR_PTR(error);
 	if (error)
 		goto put_dentry;
 #endif
 
-	error = -ENFILE;
-	file = alloc_file(&path, FMODE_WRITE | FMODE_READ,
+	res = alloc_file(&path, FMODE_WRITE | FMODE_READ,
 		  &shmem_file_operations);
-	if (!file)
+	if (IS_ERR(res))
 		goto put_dentry;
 
-	return file;
+	return res;
 
 put_dentry:
 	path_put(&path);
 put_memory:
 	shmem_unacct_size(flags, size);
-	return ERR_PTR(error);
+	return res;
 }
 EXPORT_SYMBOL_GPL(shmem_file_setup);
 
diff --git a/mm/swapfile.c b/mm/swapfile.c
index c72c648f750..a1f7772a01f 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1774,7 +1774,7 @@ static int swap_show(struct seq_file *swap, void *v)
 	len = seq_path(swap, &file->f_path, " \t\n\\");
 	seq_printf(swap, "%*s%s\t%u\t%u\t%d\n",
 			len < 40 ? 40 - len : 1, " ",
-			S_ISBLK(file->f_path.dentry->d_inode->i_mode) ?
+			S_ISBLK(file_inode(file)->i_mode) ?
 				"partition" : "file\t",
 			si->pages << (PAGE_SHIFT - 10),
 			si->inuse_pages << (PAGE_SHIFT - 10),
diff --git a/net/atm/proc.c b/net/atm/proc.c
index b4e75340b16..6ac35ff0d6b 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -385,7 +385,7 @@ static ssize_t proc_dev_atm_read(struct file *file, char __user *buf,
 	page = get_zeroed_page(GFP_KERNEL);
 	if (!page)
 		return -ENOMEM;
-	dev = PDE(file->f_path.dentry->d_inode)->data;
+	dev = PDE(file_inode(file))->data;
 	if (!dev->ops->proc_read)
 		length = -EINVAL;
 	else {
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 8acce01b6da..80e271d9e64 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -344,7 +344,7 @@ struct net *get_net_ns_by_fd(int fd)
 	if (IS_ERR(file))
 		return ERR_CAST(file);
 
-	ei = PROC_I(file->f_dentry->d_inode);
+	ei = PROC_I(file_inode(file));
 	if (ei->ns_ops == &netns_operations)
 		net = get_net(ei->ns);
 	else
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 75e33a7048f..5852b249054 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -657,7 +657,7 @@ static int clusterip_proc_release(struct inode *inode, struct file *file)
 static ssize_t clusterip_proc_write(struct file *file, const char __user *input,
 				size_t size, loff_t *ofs)
 {
-	struct clusterip_config *c = PDE(file->f_path.dentry->d_inode)->data;
+	struct clusterip_config *c = PDE(file_inode(file))->data;
 #define PROC_WRITELEN	10
 	char buffer[PROC_WRITELEN+1];
 	unsigned long nodenum;
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 31bf233dae9..d9cad315229 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -540,7 +540,7 @@ static ssize_t
 recent_mt_proc_write(struct file *file, const char __user *input,
 		     size_t size, loff_t *loff)
 {
-	const struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
+	const struct proc_dir_entry *pde = PDE(file_inode(file));
 	struct recent_table *t = pde->data;
 	struct recent_entry *e;
 	char buf[sizeof("+b335:1d35:1e55:dead:c0de:1715:5afe:c0de")];
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 3d55e0c713e..8097b4f3ead 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -809,7 +809,7 @@ static struct sock *netlink_getsockbyportid(struct sock *ssk, u32 portid)
 
 struct sock *netlink_getsockbyfilp(struct file *filp)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct sock *sock;
 
 	if (!S_ISSOCK(inode->i_mode))
diff --git a/net/socket.c b/net/socket.c
index ee0d029e513..88f759adf3a 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -369,16 +369,15 @@ struct file *sock_alloc_file(struct socket *sock, int flags, const char *dname)
 
 	file = alloc_file(&path, FMODE_READ | FMODE_WRITE,
 		  &socket_file_ops);
-	if (unlikely(!file)) {
+	if (unlikely(IS_ERR(file))) {
 		/* drop dentry, keep inode */
 		ihold(path.dentry->d_inode);
 		path_put(&path);
-		return ERR_PTR(-ENFILE);
+		return file;
 	}
 
 	sock->file = file;
 	file->f_flags = O_RDWR | (flags & O_NONBLOCK);
-	file->f_pos = 0;
 	file->private_data = sock;
 	return file;
 }
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 6ea29f4ed6c..5257d2982ba 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -620,7 +620,7 @@ gss_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
 	const void *p, *end;
 	void *buf;
 	struct gss_upcall_msg *gss_msg;
-	struct rpc_pipe *pipe = RPC_I(filp->f_dentry->d_inode)->pipe;
+	struct rpc_pipe *pipe = RPC_I(file_inode(filp))->pipe;
 	struct gss_cl_ctx *ctx;
 	uid_t id;
 	kuid_t uid;
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 9afa4393c21..f3897d10f64 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -755,7 +755,7 @@ static ssize_t cache_read(struct file *filp, char __user *buf, size_t count,
 {
 	struct cache_reader *rp = filp->private_data;
 	struct cache_request *rq;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	int err;
 
 	if (count == 0)
@@ -886,7 +886,7 @@ static ssize_t cache_write(struct file *filp, const char __user *buf,
 			   struct cache_detail *cd)
 {
 	struct address_space *mapping = filp->f_mapping;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	ssize_t ret = -EINVAL;
 
 	if (!cd->cache_parse)
@@ -1454,7 +1454,7 @@ static ssize_t write_flush(struct file *file, const char __user *buf,
 static ssize_t cache_read_procfs(struct file *filp, char __user *buf,
 				 size_t count, loff_t *ppos)
 {
-	struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data;
+	struct cache_detail *cd = PDE(file_inode(filp))->data;
 
 	return cache_read(filp, buf, count, ppos, cd);
 }
@@ -1462,14 +1462,14 @@ static ssize_t cache_read_procfs(struct file *filp, char __user *buf,
 static ssize_t cache_write_procfs(struct file *filp, const char __user *buf,
 				  size_t count, loff_t *ppos)
 {
-	struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data;
+	struct cache_detail *cd = PDE(file_inode(filp))->data;
 
 	return cache_write(filp, buf, count, ppos, cd);
 }
 
 static unsigned int cache_poll_procfs(struct file *filp, poll_table *wait)
 {
-	struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data;
+	struct cache_detail *cd = PDE(file_inode(filp))->data;
 
 	return cache_poll(filp, wait, cd);
 }
@@ -1477,7 +1477,7 @@ static unsigned int cache_poll_procfs(struct file *filp, poll_table *wait)
 static long cache_ioctl_procfs(struct file *filp,
 			       unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct cache_detail *cd = PDE(inode)->data;
 
 	return cache_ioctl(inode, filp, cmd, arg, cd);
@@ -1546,7 +1546,7 @@ static int release_flush_procfs(struct inode *inode, struct file *filp)
 static ssize_t read_flush_procfs(struct file *filp, char __user *buf,
 			    size_t count, loff_t *ppos)
 {
-	struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data;
+	struct cache_detail *cd = PDE(file_inode(filp))->data;
 
 	return read_flush(filp, buf, count, ppos, cd);
 }
@@ -1555,7 +1555,7 @@ static ssize_t write_flush_procfs(struct file *filp,
 				  const char __user *buf,
 				  size_t count, loff_t *ppos)
 {
-	struct cache_detail *cd = PDE(filp->f_path.dentry->d_inode)->data;
+	struct cache_detail *cd = PDE(file_inode(filp))->data;
 
 	return write_flush(filp, buf, count, ppos, cd);
 }
@@ -1686,7 +1686,7 @@ EXPORT_SYMBOL_GPL(cache_destroy_net);
 static ssize_t cache_read_pipefs(struct file *filp, char __user *buf,
 				 size_t count, loff_t *ppos)
 {
-	struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private;
+	struct cache_detail *cd = RPC_I(file_inode(filp))->private;
 
 	return cache_read(filp, buf, count, ppos, cd);
 }
@@ -1694,14 +1694,14 @@ static ssize_t cache_read_pipefs(struct file *filp, char __user *buf,
 static ssize_t cache_write_pipefs(struct file *filp, const char __user *buf,
 				  size_t count, loff_t *ppos)
 {
-	struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private;
+	struct cache_detail *cd = RPC_I(file_inode(filp))->private;
 
 	return cache_write(filp, buf, count, ppos, cd);
 }
 
 static unsigned int cache_poll_pipefs(struct file *filp, poll_table *wait)
 {
-	struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private;
+	struct cache_detail *cd = RPC_I(file_inode(filp))->private;
 
 	return cache_poll(filp, wait, cd);
 }
@@ -1709,7 +1709,7 @@ static unsigned int cache_poll_pipefs(struct file *filp, poll_table *wait)
 static long cache_ioctl_pipefs(struct file *filp,
 			      unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct cache_detail *cd = RPC_I(inode)->private;
 
 	return cache_ioctl(inode, filp, cmd, arg, cd);
@@ -1778,7 +1778,7 @@ static int release_flush_pipefs(struct inode *inode, struct file *filp)
 static ssize_t read_flush_pipefs(struct file *filp, char __user *buf,
 			    size_t count, loff_t *ppos)
 {
-	struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private;
+	struct cache_detail *cd = RPC_I(file_inode(filp))->private;
 
 	return read_flush(filp, buf, count, ppos, cd);
 }
@@ -1787,7 +1787,7 @@ static ssize_t write_flush_pipefs(struct file *filp,
 				  const char __user *buf,
 				  size_t count, loff_t *ppos)
 {
-	struct cache_detail *cd = RPC_I(filp->f_path.dentry->d_inode)->private;
+	struct cache_detail *cd = RPC_I(file_inode(filp))->private;
 
 	return write_flush(filp, buf, count, ppos, cd);
 }
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index fd10981ea79..7b9b40224a2 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -284,7 +284,7 @@ out:
 static ssize_t
 rpc_pipe_read(struct file *filp, char __user *buf, size_t len, loff_t *offset)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct rpc_pipe *pipe;
 	struct rpc_pipe_msg *msg;
 	int res = 0;
@@ -328,7 +328,7 @@ out_unlock:
 static ssize_t
 rpc_pipe_write(struct file *filp, const char __user *buf, size_t len, loff_t *offset)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	int res;
 
 	mutex_lock(&inode->i_mutex);
@@ -342,7 +342,7 @@ rpc_pipe_write(struct file *filp, const char __user *buf, size_t len, loff_t *of
 static unsigned int
 rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct rpc_inode *rpci = RPC_I(inode);
 	unsigned int mask = POLLOUT | POLLWRNORM;
 
@@ -360,7 +360,7 @@ rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait)
 static long
 rpc_pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 	struct rpc_pipe *pipe;
 	int len;
 
@@ -830,7 +830,7 @@ static int rpc_rmdir_depopulate(struct dentry *dentry,
  * responses to upcalls.  They will result in calls to @msg->downcall.
  *
  * The @private argument passed here will be available to all these methods
- * from the file pointer, via RPC_I(file->f_dentry->d_inode)->private.
+ * from the file pointer, via RPC_I(file_inode(file))->private.
  */
 struct dentry *rpc_mkpipe_dentry(struct dentry *parent, const char *name,
 				 void *private, struct rpc_pipe *pipe)
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index b6f4b994eb3..d0f6545b001 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -99,7 +99,7 @@ unsigned int unix_tot_inflight;
 struct sock *unix_get_socket(struct file *filp)
 {
 	struct sock *u_sock = NULL;
-	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(filp);
 
 	/*
 	 *	Socket ?
diff --git a/security/apparmor/domain.c b/security/apparmor/domain.c
index 60f0c76a27d..859abdaac1e 100644
--- a/security/apparmor/domain.c
+++ b/security/apparmor/domain.c
@@ -349,8 +349,8 @@ int apparmor_bprm_set_creds(struct linux_binprm *bprm)
 	unsigned int state;
 	struct file_perms perms = {};
 	struct path_cond cond = {
-		bprm->file->f_path.dentry->d_inode->i_uid,
-		bprm->file->f_path.dentry->d_inode->i_mode
+		file_inode(bprm->file)->i_uid,
+		file_inode(bprm->file)->i_mode
 	};
 	const char *name = NULL, *target = NULL, *info = NULL;
 	int error = cap_bprm_set_creds(bprm);
diff --git a/security/apparmor/file.c b/security/apparmor/file.c
index cd21ec5b90a..fdaa50cb187 100644
--- a/security/apparmor/file.c
+++ b/security/apparmor/file.c
@@ -449,8 +449,8 @@ int aa_file_perm(int op, struct aa_profile *profile, struct file *file,
 		 u32 request)
 {
 	struct path_cond cond = {
-		.uid = file->f_path.dentry->d_inode->i_uid,
-		.mode = file->f_path.dentry->d_inode->i_mode
+		.uid = file_inode(file)->i_uid,
+		.mode = file_inode(file)->i_mode
 	};
 
 	return aa_path_perm(op, profile, &file->f_path, PATH_DELEGATE_DELETED,
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c
index 8c2a7f6b35e..b21830eced4 100644
--- a/security/apparmor/lsm.c
+++ b/security/apparmor/lsm.c
@@ -379,7 +379,7 @@ static int apparmor_file_open(struct file *file, const struct cred *cred)
 	struct aa_profile *profile;
 	int error = 0;
 
-	if (!mediated_filesystem(file->f_path.dentry->d_inode))
+	if (!mediated_filesystem(file_inode(file)))
 		return 0;
 
 	/* If in exec, permission is handled by bprm hooks.
@@ -394,7 +394,7 @@ static int apparmor_file_open(struct file *file, const struct cred *cred)
 
 	profile = aa_cred_profile(cred);
 	if (!unconfined(profile)) {
-		struct inode *inode = file->f_path.dentry->d_inode;
+		struct inode *inode = file_inode(file);
 		struct path_cond cond = { inode->i_uid, inode->i_mode };
 
 		error = aa_path_perm(OP_OPEN, profile, &file->f_path, 0,
@@ -432,7 +432,7 @@ static int common_file_perm(int op, struct file *file, u32 mask)
 	BUG_ON(!fprofile);
 
 	if (!file->f_path.mnt ||
-	    !mediated_filesystem(file->f_path.dentry->d_inode))
+	    !mediated_filesystem(file_inode(file)))
 		return 0;
 
 	profile = __aa_current_profile();
diff --git a/security/commoncap.c b/security/commoncap.c
index 7ee08c756d6..c44b6fe6648 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -440,7 +440,7 @@ static int get_file_caps(struct linux_binprm *bprm, bool *effective, bool *has_c
 	if (!file_caps_enabled)
 		return 0;
 
-	if (bprm->file->f_vfsmnt->mnt_flags & MNT_NOSUID)
+	if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID)
 		return 0;
 
 	dentry = dget(bprm->file->f_dentry);
diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c
index d9030b29d84..1c03e8f1e0e 100644
--- a/security/integrity/ima/ima_api.c
+++ b/security/integrity/ima/ima_api.c
@@ -140,12 +140,12 @@ int ima_must_measure(struct inode *inode, int mask, int function)
 int ima_collect_measurement(struct integrity_iint_cache *iint,
 			    struct file *file)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	const char *filename = file->f_dentry->d_name.name;
 	int result = 0;
 
 	if (!(iint->flags & IMA_COLLECTED)) {
-		u64 i_version = file->f_dentry->d_inode->i_version;
+		u64 i_version = file_inode(file)->i_version;
 
 		iint->ima_xattr.type = IMA_XATTR_DIGEST;
 		result = ima_calc_file_hash(file, iint->ima_xattr.digest);
@@ -182,7 +182,7 @@ void ima_store_measurement(struct integrity_iint_cache *iint,
 	const char *op = "add_template_measure";
 	const char *audit_cause = "ENOMEM";
 	int result = -ENOMEM;
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct ima_template_entry *entry;
 	int violation = 0;
 
diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
index b691e0f3830..a02e0791cf1 100644
--- a/security/integrity/ima/ima_crypto.c
+++ b/security/integrity/ima/ima_crypto.c
@@ -66,7 +66,7 @@ int ima_calc_file_hash(struct file *file, char *digest)
 		file->f_mode |= FMODE_READ;
 		read = 1;
 	}
-	i_size = i_size_read(file->f_dentry->d_inode);
+	i_size = i_size_read(file_inode(file));
 	while (offset < i_size) {
 		int rbuf_len;
 
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index 5b14a0946d6..3b3b7e6bf8d 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -126,7 +126,7 @@ static void ima_check_last_writer(struct integrity_iint_cache *iint,
  */
 void ima_file_free(struct file *file)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct integrity_iint_cache *iint;
 
 	if (!iint_initialized || !S_ISREG(inode->i_mode))
@@ -142,7 +142,7 @@ void ima_file_free(struct file *file)
 static int process_measurement(struct file *file, const char *filename,
 			       int mask, int function)
 {
-	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct integrity_iint_cache *iint;
 	char *pathbuf = NULL;
 	const char *pathname = NULL;
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index ef26e9611ff..84b591711ee 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1528,7 +1528,7 @@ static int file_has_perm(const struct cred *cred,
 			 u32 av)
 {
 	struct file_security_struct *fsec = file->f_security;
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct common_audit_data ad;
 	u32 sid = cred_sid(cred);
 	int rc;
@@ -1957,7 +1957,7 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm)
 	struct task_security_struct *new_tsec;
 	struct inode_security_struct *isec;
 	struct common_audit_data ad;
-	struct inode *inode = bprm->file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(bprm->file);
 	int rc;
 
 	rc = cap_bprm_set_creds(bprm);
@@ -2929,7 +2929,7 @@ static void selinux_inode_getsecid(const struct inode *inode, u32 *secid)
 static int selinux_revalidate_file_permission(struct file *file, int mask)
 {
 	const struct cred *cred = current_cred();
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 
 	/* file_mask_to_av won't add FILE__WRITE if MAY_APPEND is set */
 	if ((file->f_flags & O_APPEND) && (mask & MAY_WRITE))
@@ -2941,7 +2941,7 @@ static int selinux_revalidate_file_permission(struct file *file, int mask)
 
 static int selinux_file_permission(struct file *file, int mask)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct file_security_struct *fsec = file->f_security;
 	struct inode_security_struct *isec = inode->i_security;
 	u32 sid = current_sid();
@@ -3218,7 +3218,7 @@ static int selinux_file_open(struct file *file, const struct cred *cred)
 	struct inode_security_struct *isec;
 
 	fsec = file->f_security;
-	isec = file->f_path.dentry->d_inode->i_security;
+	isec = file_inode(file)->i_security;
 	/*
 	 * Save inode label and policy sequence number
 	 * at open-time so that selinux_file_permission
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 3a6e8731646..ff427733c29 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -202,7 +202,7 @@ static ssize_t sel_read_handle_unknown(struct file *filp, char __user *buf,
 {
 	char tmpbuf[TMPBUFLEN];
 	ssize_t length;
-	ino_t ino = filp->f_path.dentry->d_inode->i_ino;
+	ino_t ino = file_inode(filp)->i_ino;
 	int handle_unknown = (ino == SEL_REJECT_UNKNOWN) ?
 		security_get_reject_unknown() : !security_get_allow_unknown();
 
@@ -671,7 +671,7 @@ static ssize_t (*write_op[])(struct file *, char *, size_t) = {
 
 static ssize_t selinux_transaction_write(struct file *file, const char __user *buf, size_t size, loff_t *pos)
 {
-	ino_t ino = file->f_path.dentry->d_inode->i_ino;
+	ino_t ino = file_inode(file)->i_ino;
 	char *data;
 	ssize_t rv;
 
@@ -1042,8 +1042,7 @@ static ssize_t sel_read_bool(struct file *filep, char __user *buf,
 	ssize_t length;
 	ssize_t ret;
 	int cur_enforcing;
-	struct inode *inode = filep->f_path.dentry->d_inode;
-	unsigned index = inode->i_ino & SEL_INO_MASK;
+	unsigned index = file_inode(filep)->i_ino & SEL_INO_MASK;
 	const char *name = filep->f_path.dentry->d_name.name;
 
 	mutex_lock(&sel_mutex);
@@ -1077,8 +1076,7 @@ static ssize_t sel_write_bool(struct file *filep, const char __user *buf,
 	char *page = NULL;
 	ssize_t length;
 	int new_value;
-	struct inode *inode = filep->f_path.dentry->d_inode;
-	unsigned index = inode->i_ino & SEL_INO_MASK;
+	unsigned index = file_inode(filep)->i_ino & SEL_INO_MASK;
 	const char *name = filep->f_path.dentry->d_name.name;
 
 	mutex_lock(&sel_mutex);
@@ -1486,13 +1484,11 @@ static int sel_make_avc_files(struct dentry *dir)
 static ssize_t sel_read_initcon(struct file *file, char __user *buf,
 				size_t count, loff_t *ppos)
 {
-	struct inode *inode;
 	char *con;
 	u32 sid, len;
 	ssize_t ret;
 
-	inode = file->f_path.dentry->d_inode;
-	sid = inode->i_ino&SEL_INO_MASK;
+	sid = file_inode(file)->i_ino&SEL_INO_MASK;
 	ret = security_sid_to_context(sid, &con, &len);
 	if (ret)
 		return ret;
@@ -1553,7 +1549,7 @@ static inline u32 sel_ino_to_perm(unsigned long ino)
 static ssize_t sel_read_class(struct file *file, char __user *buf,
 				size_t count, loff_t *ppos)
 {
-	unsigned long ino = file->f_path.dentry->d_inode->i_ino;
+	unsigned long ino = file_inode(file)->i_ino;
 	char res[TMPBUFLEN];
 	ssize_t len = snprintf(res, sizeof(res), "%d", sel_ino_to_class(ino));
 	return simple_read_from_buffer(buf, count, ppos, res, len);
@@ -1567,7 +1563,7 @@ static const struct file_operations sel_class_ops = {
 static ssize_t sel_read_perm(struct file *file, char __user *buf,
 				size_t count, loff_t *ppos)
 {
-	unsigned long ino = file->f_path.dentry->d_inode->i_ino;
+	unsigned long ino = file_inode(file)->i_ino;
 	char res[TMPBUFLEN];
 	ssize_t len = snprintf(res, sizeof(res), "%d", sel_ino_to_perm(ino));
 	return simple_read_from_buffer(buf, count, ppos, res, len);
@@ -1584,7 +1580,7 @@ static ssize_t sel_read_policycap(struct file *file, char __user *buf,
 	int value;
 	char tmpbuf[TMPBUFLEN];
 	ssize_t length;
-	unsigned long i_ino = file->f_path.dentry->d_inode->i_ino;
+	unsigned long i_ino = file_inode(file)->i_ino;
 
 	value = security_policycap_supported(i_ino & SEL_INO_MASK);
 	length = scnprintf(tmpbuf, TMPBUFLEN, "%d", value);
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 38be92ce901..fa64740abb5 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -456,7 +456,7 @@ static int smack_sb_umount(struct vfsmount *mnt, int flags)
  */
 static int smack_bprm_set_creds(struct linux_binprm *bprm)
 {
-	struct inode *inode = bprm->file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(bprm->file);
 	struct task_smack *bsp = bprm->cred->security;
 	struct inode_smack *isp;
 	int rc;
@@ -1187,21 +1187,15 @@ static int smack_mmap_file(struct file *file,
 	char *msmack;
 	char *osmack;
 	struct inode_smack *isp;
-	struct dentry *dp;
 	int may;
 	int mmay;
 	int tmay;
 	int rc;
 
-	if (file == NULL || file->f_dentry == NULL)
-		return 0;
-
-	dp = file->f_dentry;
-
-	if (dp->d_inode == NULL)
+	if (file == NULL)
 		return 0;
 
-	isp = dp->d_inode->i_security;
+	isp = file_inode(file)->i_security;
 	if (isp->smk_mmap == NULL)
 		return 0;
 	msmack = isp->smk_mmap;
@@ -1359,7 +1353,7 @@ static int smack_file_receive(struct file *file)
  */
 static int smack_file_open(struct file *file, const struct cred *cred)
 {
-	struct inode_smack *isp = file->f_path.dentry->d_inode->i_security;
+	struct inode_smack *isp = file_inode(file)->i_security;
 
 	file->f_security = isp->smk_inode;
 
diff --git a/security/tomoyo/securityfs_if.c b/security/tomoyo/securityfs_if.c
index 8592f2fc6eb..fcf32783b66 100644
--- a/security/tomoyo/securityfs_if.c
+++ b/security/tomoyo/securityfs_if.c
@@ -135,7 +135,7 @@ static const struct file_operations tomoyo_self_operations = {
  */
 static int tomoyo_open(struct inode *inode, struct file *file)
 {
-	const int key = ((u8 *) file->f_path.dentry->d_inode->i_private)
+	const int key = ((u8 *) file_inode(file)->i_private)
 		- ((u8 *) NULL);
 	return tomoyo_open_control(key, file);
 }
diff --git a/sound/core/info.c b/sound/core/info.c
index 6b368d25073..5bb97e7d325 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -496,7 +496,7 @@ static long snd_info_entry_ioctl(struct file *file, unsigned int cmd,
 
 static int snd_info_entry_mmap(struct file *file, struct vm_area_struct *vma)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct snd_info_private_data *data;
 	struct snd_info_entry *entry;
 
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 09b4286c65f..71ae86ca64a 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1586,7 +1586,7 @@ static struct file *snd_pcm_file_fd(int fd, int *fput_needed)
 	file = fget_light(fd, fput_needed);
 	if (!file)
 		return NULL;
-	inode = file->f_path.dentry->d_inode;
+	inode = file_inode(file);
 	if (!S_ISCHR(inode->i_mode) ||
 	    imajor(inode) != snd_major) {
 		fput_light(file, *fput_needed);
diff --git a/sound/oss/msnd_pinnacle.c b/sound/oss/msnd_pinnacle.c
index 536c4c0514d..11ff7c55240 100644
--- a/sound/oss/msnd_pinnacle.c
+++ b/sound/oss/msnd_pinnacle.c
@@ -642,7 +642,7 @@ static int mixer_ioctl(unsigned int cmd, unsigned long arg)
 
 static long dev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	int minor = iminor(file->f_path.dentry->d_inode);
+	int minor = iminor(file_inode(file));
 	int ret;
 
 	if (cmd == OSS_GETVERSION) {
@@ -1012,7 +1012,7 @@ static int dsp_write(const char __user *buf, size_t len)
 
 static ssize_t dev_read(struct file *file, char __user *buf, size_t count, loff_t *off)
 {
-	int minor = iminor(file->f_path.dentry->d_inode);
+	int minor = iminor(file_inode(file));
 	if (minor == dev.dsp_minor)
 		return dsp_read(buf, count);
 	else
@@ -1021,7 +1021,7 @@ static ssize_t dev_read(struct file *file, char __user *buf, size_t count, loff_
 
 static ssize_t dev_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
 {
-	int minor = iminor(file->f_path.dentry->d_inode);
+	int minor = iminor(file_inode(file));
 	if (minor == dev.dsp_minor)
 		return dsp_write(buf, count);
 	else
diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c
index 7c7793a0eb2..e7780349cc5 100644
--- a/sound/oss/soundcard.c
+++ b/sound/oss/soundcard.c
@@ -143,7 +143,7 @@ static int get_mixer_levels(void __user * arg)
 
 static ssize_t sound_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 {
-	int dev = iminor(file->f_path.dentry->d_inode);
+	int dev = iminor(file_inode(file));
 	int ret = -EINVAL;
 
 	/*
@@ -176,7 +176,7 @@ static ssize_t sound_read(struct file *file, char __user *buf, size_t count, lof
 
 static ssize_t sound_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 {
-	int dev = iminor(file->f_path.dentry->d_inode);
+	int dev = iminor(file_inode(file));
 	int ret = -EINVAL;
 	
 	mutex_lock(&soundcard_mutex);
@@ -333,7 +333,7 @@ static int sound_mixer_ioctl(int mixdev, unsigned int cmd, void __user *arg)
 static long sound_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	int len = 0, dtype;
-	int dev = iminor(file->f_dentry->d_inode);
+	int dev = iminor(file_inode(file));
 	long ret = -EINVAL;
 	void __user *p = (void __user *)arg;
 
@@ -406,7 +406,7 @@ static long sound_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
 static unsigned int sound_poll(struct file *file, poll_table * wait)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	int dev = iminor(inode);
 
 	DEB(printk("sound_poll(dev=%d)\n", dev));
@@ -431,7 +431,7 @@ static int sound_mmap(struct file *file, struct vm_area_struct *vma)
 	int dev_class;
 	unsigned long size;
 	struct dma_buffparms *dmap = NULL;
-	int dev = iminor(file->f_path.dentry->d_inode);
+	int dev = iminor(file_inode(file));
 
 	dev_class = dev & 0x0f;
 	dev >>= 4;
diff --git a/sound/sound_firmware.c b/sound/sound_firmware.c
index 37711a5d0d6..e1490346805 100644
--- a/sound/sound_firmware.c
+++ b/sound/sound_firmware.c
@@ -19,7 +19,7 @@ static int do_mod_firmware_load(const char *fn, char **fp)
 		printk(KERN_INFO "Unable to load '%s'.\n", fn);
 		return 0;
 	}
-	l = i_size_read(filp->f_path.dentry->d_inode);
+	l = i_size_read(file_inode(filp));
 	if (l <= 0 || l > 131072)
 	{
 		printk(KERN_INFO "Invalid firmware '%s'\n", fn);