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2012-05-29brlocks/lglocks: API cleanupsAndi Kleen6-95/+96
lglocks and brlocks are currently generated with some complicated macros in lglock.h. But there's no reason to not just use common utility functions and put all the data into a common data structure. In preparation, this patch changes the API to look more like normal function calls with pointers, not magic macros. The patch is rather large because I move over all users in one go to keep it bisectable. This impacts the VFS somewhat in terms of lines changed. But no actual behaviour change. [akpm@linux-foundation.org: checkpatch fixes] Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29brlocks/lglocks: turn into functionsAndi Kleen5-102/+117
lglocks and brlocks are currently generated with some complicated macros in lglock.h. But there's no reason to not just use common utility functions and put all the data into a common data structure. Since there are at least two users it makes sense to share this code in a library. This is also easier maintainable than a macro forest. This will also make it later possible to dynamically allocate lglocks and also use them in modules (this would both still need some additional, but now straightforward, code) [akpm@linux-foundation.org: checkpatch fixes] Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29lglock: remove online variants of lockRusty Russell1-56/+2
Optimizing the slow paths adds a lot of complexity. If you need to grab every lock often, you have other problems. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Nick Piggin <npiggin@kernel.dk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29ocfs: simplify symlink handlingAl Viro4-104/+31
seeing that "fast" symlinks still get allocation + copy, we might as well simply switch them to pagecache-based variant of ->follow_link(); just need an appropriate ->readpage() for them... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29get rid of pointless allocations and copying in ecryptfs_follow_link()Al Viro1-39/+9
switch to generic_readlink(), while we are at it Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29hpfs: assorted endianness annotationsAl Viro4-60/+60
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29hpfs: annotate eaAl Viro1-2/+2
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29hpfs: annotate struct hpfs_direntAl Viro3-12/+12
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29hpfs: annotate struct anodeAl Viro1-4/+4
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29hpfs: annotate struct fnodeAl Viro1-14/+14
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29hpfs: annotate btree nodes, get rid of bitfields messAl Viro3-51/+52
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29hpfs: annotate struct dnodeAl Viro1-4/+4
little-endians... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29hpfs: bitmaps are little-endianAl Viro3-12/+12
annotate properly... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29hpfs: get rid of bitfields in struct fnodeAl Viro8-38/+32
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29hpfs: get rid of bitfields endianness wanking in extended_attributeAl Viro3-34/+35
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29fs: fix inode.c kernel-doc warningsRandy Dunlap1-2/+1
Fix kernel-doc warnings in fs/inode.c: Warning(fs/inode.c:1493): No description found for parameter 'path' Warning(fs/inode.c:1493): Excess function parameter 'mnt' description in 'touch_atime' Warning(fs/inode.c:1493): Excess function parameter 'dentry' description in 'touch_atime' Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29hpfs: endianness bugsAl Viro2-3/+3
a couple of le32 and le16 used with wrong le..._to_cpu(), plus idiotic use of le32_to_cpu() on 1-bit bitfield Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29btrfs: trivial endianness annotationsAl Viro3-7/+8
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29ocfs2: kill endianness abuses in blockcheck.cAl Viro1-20/+22
ocfs2_block_check is for little-endian contents; if we just want to its fields converted to host-endian in a couple of functions, just put those values into local u32 and u16... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29ocfs2: deal with __user misannotationsAl Viro2-21/+16
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29ocfs2: trivial endianness misannotationsAl Viro3-5/+5
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29affs: bury unused macrosAl Viro1-8/+0
... unused since 2.4.4. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29kill v9fs_dentry_from_dir_inode()Al Viro1-21/+3
In *all* callers we have a dentry of child of that directory. Just use ->d_parent of that one, for fsck sake... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29selinuxfs snprintf() misusesAl Viro1-29/+7
a) %d does _not_ produce a page worth of output b) snprintf() doesn't return negatives - it used to in old glibc, but that's the kernel... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29ceph: move encode_fh to new APISage Weil1-13/+21
Use parent_inode has a flag for whether nfsd wants a connectable fh, but generate one opportunistically so that we can take advantage of the additional info in there. Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29->encode_fh() API changeAl Viro16-140/+94
pass inode + parent's inode or NULL instead of dentry + bool saying whether we want the parent or not. NOTE: that needs ceph fix folded in. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29ubifs: use generic_fillattr()Al Viro1-10/+1
don't open-code it... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29xfs: switch to proper __bitwise type for KM_... flagsAl Viro6-19/+20
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29switch utimes() to fget_light/fput_lightAl Viro1-2/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29switch statfs to fget_light/fput_lightAl Viro1-2/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29switch flock to fget_light/fput_lightAl Viro1-2/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29switch signalfd4() to fget_light/fput_lightAl Viro1-3/+4
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29switch fcntl to fget_raw_light/fput_lightAl Viro1-25/+17
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29switch xattr syscalls to fget_light/fput_lightAl Viro1-8/+12
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29switch readdir/getdents to fget_light/fput_lightAl Viro2-38/+28
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29switch do_fsync() to fget_light()Al Viro1-2/+3
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2012-05-29Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds17-587/+1039
Pull CIFS updates from Steve French. * 'for-next' of git://git.samba.org/sfrench/cifs-2.6: (29 commits) cifs: fix oops while traversing open file list (try #4) cifs: Fix comment as d_alloc_root() is replaced by d_make_root() CIFS: Introduce SMB2 mounts as vers=2.1 CIFS: Introduce SMB2 Kconfig option CIFS: Move add/set_credits and get_credits_field to ops structure CIFS: Move protocol specific demultiplex thread calls to ops struct CIFS: Move protocol specific part from cifs_readv_receive to ops struct CIFS: Move header_size/max_header_size to ops structure CIFS: Move protocol specific part from SendReceive2 to ops struct cifs: Include backup intent search flags during searches {try #2) CIFS: Separate protocol specific part from setlk CIFS: Separate protocol specific part from getlk CIFS: Separate protocol specific lock type handling CIFS: Convert lock type to 32 bit variable CIFS: Move locks to cifsFileInfo structure cifs: convert send_nt_cancel into a version specific op cifs: add a smb_version_operations/values structures and a smb_version enum cifs: remove the vers= and version= synonyms for ver= cifs: add warning about change in default cache semantics in 3.7 cifs: display cache= option in /proc/mounts ...
2012-05-29Merge tag 'mfd-3.5-1' of ↵Linus Torvalds94-1750/+6799
git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6 Pull MFD changes from Samuel Ortiz: "Besides the usual cleanups, this one brings: * Support for 5 new chipsets: Intel's ICH LPC and SCH Centerton, ST-E's STAX211, Samsung's MAX77693 and TI's LM3533. * Device tree support for the twl6040, tps65910, da9502 and ab8500 drivers. * Fairly big tps56910, ab8500 and db8500 updates. * i2c support for mc13xxx. * Our regular update for the wm8xxx driver from Mark." Fix up various conflicts with other trees, largely due to ab5500 removal etc. * tag 'mfd-3.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6: (106 commits) mfd: Fix build break of max77693 by adding REGMAP_I2C option mfd: Fix twl6040 build failure mfd: Fix max77693 build failure mfd: ab8500-core should depend on MFD_DB8500_PRCMU gpio: tps65910: dt: process gpio specific device node info mfd: Remove the parsing of dt info for tps65910 gpio mfd: Save device node parsed platform data for tps65910 sub devices mfd: Add r_select to lm3533 platform data gpio: Add Intel Centerton support to gpio-sch mfd: Emulate active low IRQs as well as active high IRQs for wm831x mfd: Mark two lm3533 zone registers as volatile mfd: Fix return type of lm533 attribute is_visible mfd: Enable Device Tree support in the ab8500-pwm driver mfd: Enable Device Tree support in the ab8500-sysctrl driver mfd: Add support for Device Tree to twl6040 mfd: Register the twl6040 child for the ASoC codec unconditionally mfd: Allocate twl6040 IRQ numbers dynamically mfd: twl6040 code cleanup in interrupt initialization part mfd: Enable ab8500-gpadc driver for Device Tree mfd: Prevent unassigned pointer from being used in ab8500-gpadc driver ...
2012-05-29Merge tag 'nfs-for-3.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds48-2881/+3960
Pull NFS client updates from Trond Myklebust: "New features include: - Rewrite the O_DIRECT code so that it can share the same coalescing and pNFS functionality as the page cache code. - Allow the server to provide hints as to when we should use pNFS, and when it is more efficient to read and write through the metadata server. - NFS cache consistency updates: * Use the ctime to emulate a change attribute for NFSv2/v3 so that all NFS versions can share the same cache management code. * New cache management code will only look at the change attribute and size attribute when deciding whether or not our cached data is still valid or not. * Don't request NFSv4 post-op attributes on writes in cases such as O_DIRECT, where we don't care about data cache consistency, or when we have a write delegation, and know that our cache is still consistent. * Don't request NFSv4 post-op attributes on operations such as COMMIT, where there are no expected metadata updates. * Don't request NFSv4 directory post-op attributes in cases where the operations themselves already return change attribute updates: i.e. operations such as OPEN, CREATE, REMOVE, LINK and RENAME. - Speed up 'ls' and friends by using READDIR rather than READDIRPLUS if we detect no attempts to lookup filenames. - Improve the code sharing between NFSv2/v3 and v4 mounts - NFSv4.1 state management efficiency improvements - More patches in preparation for NFSv4/v4.1 migration functionality." Fix trivial conflict in fs/nfs/nfs4proc.c that was due to the dcache qstr name initialization changes (that made the length/hash a 64-bit union) * tag 'nfs-for-3.5-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (146 commits) NFSv4: Add debugging printks to state manager NFSv4: Map NFS4ERR_SHARE_DENIED into an EACCES error instead of EIO NFSv4: update_changeattr does not need to set NFS_INO_REVAL_PAGECACHE NFSv4.1: nfs4_reset_session should use nfs4_handle_reclaim_lease_error NFSv4.1: Handle other occurrences of NFS4ERR_CONN_NOT_BOUND_TO_SESSION NFSv4.1: Handle NFS4ERR_CONN_NOT_BOUND_TO_SESSION in the state manager NFSv4.1: Handle errors in nfs4_bind_conn_to_session NFSv4.1: nfs4_bind_conn_to_session should drain the session NFSv4.1: Don't clobber the seqid if exchange_id returns a confirmed clientid NFSv4.1: Add DESTROY_CLIENTID NFSv4.1: Ensure we use the correct credentials for bind_conn_to_session NFSv4.1: Ensure we use the correct credentials for session create/destroy NFSv4.1: Move NFSPROC4_CLNT_BIND_CONN_TO_SESSION to the end of the operations NFSv4.1: Handle NFS4ERR_SEQ_MISORDERED when confirming the lease NFSv4: When purging the lease, we must clear NFS4CLNT_LEASE_CONFIRM NFSv4: Clean up the error handling for nfs4_reclaim_lease NFSv4.1: Exchange ID must use GFP_NOFS allocation mode nfs41: Use BIND_CONN_TO_SESSION for CB_PATH_DOWN* nfs4.1: add BIND_CONN_TO_SESSION operation NFSv4.1 test the mdsthreshold hint parameters ...
2012-05-29tty: fix ldisc lock inversion traceAlan Cox1-16/+25
This is caused by tty_release using tty_lock_pair to lock both sides of the pty/tty pair, and then tty_ldisc_release dropping and relocking one side only. We can drop both fine, so drop both to avoid any lock ordering concerns. Rework the release path to fix the new locking model. Signed-off-by: Alan Cox <alan@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-05-29pty: Fix lock inversionAlan Cox1-2/+0
The ptmx_open path takes the tty and devpts locks in the wrong order because tty_init_dev locks and returns a locked tty. As far as I can tell this is actually safe anyway because the tty being returned is new so nobody can get a reference to lock it at this point. However we don't even need the devpts lock at this point, it's only held as a byproduct of the way the locks were pushe down. Signed-off-by: Alan Cox <alan@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-05-28NFSv4: Add debugging printks to state managerTrond Myklebust1-0/+33
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-05-28NFSv4: Map NFS4ERR_SHARE_DENIED into an EACCES error instead of EIOTrond Myklebust1-0/+2
If a file OPEN is denied due to a share lock, the resulting NFS4ERR_SHARE_DENIED is currently mapped to the default EIO. This patch adds a more appropriate mapping, and brings Linux into line with what Solaris 10 does. See https://bugzilla.kernel.org/show_bug.cgi?id=43286 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: stable@vger.kernel.org
2012-05-28Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osdLinus Torvalds4-2/+230
Pull exofs updates from Boaz Harrosh: "Just a couple of patches. The first is a BUG fix destined for stable which missed the 3.4-rc7 Kernel. The second is just a fixture addition so exofs is able to be better exported as a cluster file system via pNFS." * 'for-linus' of git://git.open-osd.org/linux-open-osd: exofs: Add SYSFS info for autologin/pNFS export exofs: Fix CRASH on very early IO errors.
2012-05-28Merge branch 'doc' of ↵Linus Torvalds3-7/+4
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull documentation updates from Jiri Kosina: "I am currently relaying documentation patches through 'doc' branch of trivial tree, until Rob, the new documentation maintainer, has established a proper tree." * 'doc' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: doc: ext3: update documentation with barrier=1 default Documentation/initrd.txt: Change the location of util-linux Documentation/SubmittingPatches: suggested the use of scripts/get_maintainer.pl Documentation/kernel-parameters: remove autotest and mcatest
2012-05-28Merge branch 'misc' of ↵Linus Torvalds3-1/+101
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull misc kbuild changes from Michal Marek: "The non-critical part of kbuild for 3.5 includes - two new coccinelle checks - fix for make deb-pkg to include generated headers in arch/*/include I have more make-deb-pkg fixes in the backlog, but these will likely have to wait for 3.6." * 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: builddeb: include autogenerated header files scripts/coccinelle: sizeof of pointer scripts/coccinelle: address test is always true
2012-05-28Merge branch 'kconfig' of ↵Linus Torvalds3-19/+32
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kconfig changes from Michal Marek: - Error handling for make KCONFIG_ALLCONFIG=<...> all*config plus a fix for a bug that was exposed by this - Fix for the script/config utility. * 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: scripts/config: properly report and set string options kbuild: all{no,yes,mod,def,rand}config only read files when instructed to. kconfig: Add error handling to KCONFIG_ALLCONFIG
2012-05-28Merge branch 'kbuild' of ↵Linus Torvalds5-227/+259
git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild Pull kbuild updates from Michal Marek. Fixed up nontrivial merge conflict in Makefile as per Stephen Rothwell and linux-next (and trivial arch/sparc/Makefile changes due to removed sparc32 logic). * 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: mips: Fix KBUILD_CPPFLAGS definition kbuild: fix ia64 link kbuild: document KBUILD_LDS, KBUILD_VMLINUX_{INIT,MAIN} and LDFLAGS_vmlinux kbuild: link of vmlinux moved to a script kbuild: refactor final link of sparc32 kbuild: drop unused KBUILD_VMLINUX_OBJS from top-level Makefile kbuild: Makefile: remove unnecessary check for m68knommu ARCH
2012-05-28Merge tag 'writeback' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linuxLinus Torvalds56-220/+319
Pull writeback tree from Wu Fengguang: "Mainly from Jan Kara to avoid iput() in the flusher threads." * tag 'writeback' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux: writeback: Avoid iput() from flusher thread vfs: Rename end_writeback() to clear_inode() vfs: Move waiting for inode writeback from end_writeback() to evict_inode() writeback: Refactor writeback_single_inode() writeback: Remove wb->list_lock from writeback_single_inode() writeback: Separate inode requeueing after writeback writeback: Move I_DIRTY_PAGES handling writeback: Move requeueing when I_SYNC set to writeback_sb_inodes() writeback: Move clearing of I_SYNC into inode_sync_complete() writeback: initialize global_dirty_limit fs: remove 8 bytes of padding from struct writeback_control on 64 bit builds mm: page-writeback.c: local functions should not be exposed globally
2012-05-28Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds5-11/+39
Pull microblaze changes from Michal Simek. * 'next' of git://git.monstr.eu/linux-2.6-microblaze: microblaze: Setup correct pointer to TLS area microblaze: Add TLS support to sys_clone microblaze: ftrace: Pass the first calling instruction for dynamic ftrace microblaze: Port OOM changes to do_page_fault microblaze: Do not select GENERIC_GPIO by default
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