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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-22 13:10:41 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-22 13:10:41 -0700
commit49302baa640d90074d26297156d180320a7aed2f (patch)
tree5f8bc3cb178b0de73cfec12643078739afecf1e4 /fs
parenteadc3875ebb724bc749bf604c92c6577d06158d1 (diff)
parent46fcb2ed29ff7a9ec34c4ae67b631743eb7e756f (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: GFS2: combine duplicated block freeing routines GFS2: Add S_NOSEC support GFS2: Automatically adjust glock min hold time GFS2: Cache dir hash table in a contiguous buffer
Diffstat (limited to 'fs')
-rw-r--r--fs/gfs2/bmap.c12
-rw-r--r--fs/gfs2/dir.c221
-rw-r--r--fs/gfs2/dir.h1
-rw-r--r--fs/gfs2/file.c4
-rw-r--r--fs/gfs2/glock.c39
-rw-r--r--fs/gfs2/glock.h6
-rw-r--r--fs/gfs2/glops.c7
-rw-r--r--fs/gfs2/incore.h3
-rw-r--r--fs/gfs2/main.c1
-rw-r--r--fs/gfs2/ops_fstype.c1
-rw-r--r--fs/gfs2/rgrp.c52
-rw-r--r--fs/gfs2/rgrp.h4
-rw-r--r--fs/gfs2/super.c2
13 files changed, 165 insertions, 188 deletions
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index e65493a8ac0..42e477f3122 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -854,11 +854,7 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh,
blen++;
else {
if (bstart) {
- if (metadata)
- __gfs2_free_meta(ip, bstart, blen);
- else
- __gfs2_free_data(ip, bstart, blen);
-
+ __gfs2_free_blocks(ip, bstart, blen, metadata);
btotal += blen;
}
@@ -870,11 +866,7 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh,
gfs2_add_inode_blocks(&ip->i_inode, -1);
}
if (bstart) {
- if (metadata)
- __gfs2_free_meta(ip, bstart, blen);
- else
- __gfs2_free_data(ip, bstart, blen);
-
+ __gfs2_free_blocks(ip, bstart, blen, metadata);
btotal += blen;
}
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 091ee477953..1cc2f8ec52a 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -339,6 +339,67 @@ fail:
return (copied) ? copied : error;
}
+/**
+ * gfs2_dir_get_hash_table - Get pointer to the dir hash table
+ * @ip: The inode in question
+ *
+ * Returns: The hash table or an error
+ */
+
+static __be64 *gfs2_dir_get_hash_table(struct gfs2_inode *ip)
+{
+ struct inode *inode = &ip->i_inode;
+ int ret;
+ u32 hsize;
+ __be64 *hc;
+
+ BUG_ON(!(ip->i_diskflags & GFS2_DIF_EXHASH));
+
+ hc = ip->i_hash_cache;
+ if (hc)
+ return hc;
+
+ hsize = 1 << ip->i_depth;
+ hsize *= sizeof(__be64);
+ if (hsize != i_size_read(&ip->i_inode)) {
+ gfs2_consist_inode(ip);
+ return ERR_PTR(-EIO);
+ }
+
+ hc = kmalloc(hsize, GFP_NOFS);
+ ret = -ENOMEM;
+ if (hc == NULL)
+ return ERR_PTR(-ENOMEM);
+
+ ret = gfs2_dir_read_data(ip, (char *)hc, 0, hsize, 1);
+ if (ret < 0) {
+ kfree(hc);
+ return ERR_PTR(ret);
+ }
+
+ spin_lock(&inode->i_lock);
+ if (ip->i_hash_cache)
+ kfree(hc);
+ else
+ ip->i_hash_cache = hc;
+ spin_unlock(&inode->i_lock);
+
+ return ip->i_hash_cache;
+}
+
+/**
+ * gfs2_dir_hash_inval - Invalidate dir hash
+ * @ip: The directory inode
+ *
+ * Must be called with an exclusive glock, or during glock invalidation.
+ */
+void gfs2_dir_hash_inval(struct gfs2_inode *ip)
+{
+ __be64 *hc = ip->i_hash_cache;
+ ip->i_hash_cache = NULL;
+ kfree(hc);
+}
+
static inline int gfs2_dirent_sentinel(const struct gfs2_dirent *dent)
{
return dent->de_inum.no_addr == 0 || dent->de_inum.no_formal_ino == 0;
@@ -686,17 +747,12 @@ static int get_leaf(struct gfs2_inode *dip, u64 leaf_no,
static int get_leaf_nr(struct gfs2_inode *dip, u32 index,
u64 *leaf_out)
{
- __be64 leaf_no;
- int error;
-
- error = gfs2_dir_read_data(dip, (char *)&leaf_no,
- index * sizeof(__be64),
- sizeof(__be64), 0);
- if (error != sizeof(u64))
- return (error < 0) ? error : -EIO;
-
- *leaf_out = be64_to_cpu(leaf_no);
+ __be64 *hash;
+ hash = gfs2_dir_get_hash_table(dip);
+ if (IS_ERR(hash))
+ return PTR_ERR(hash);
+ *leaf_out = be64_to_cpu(*(hash + index));
return 0;
}
@@ -966,6 +1022,8 @@ static int dir_split_leaf(struct inode *inode, const struct qstr *name)
for (x = 0; x < half_len; x++)
lp[x] = cpu_to_be64(bn);
+ gfs2_dir_hash_inval(dip);
+
error = gfs2_dir_write_data(dip, (char *)lp, start * sizeof(u64),
half_len * sizeof(u64));
if (error != half_len * sizeof(u64)) {
@@ -1052,70 +1110,54 @@ fail_brelse:
static int dir_double_exhash(struct gfs2_inode *dip)
{
- struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
struct buffer_head *dibh;
u32 hsize;
- u64 *buf;
- u64 *from, *to;
- u64 block;
- u64 disksize = i_size_read(&dip->i_inode);
+ u32 hsize_bytes;
+ __be64 *hc;
+ __be64 *hc2, *h;
int x;
int error = 0;
hsize = 1 << dip->i_depth;
- if (hsize * sizeof(u64) != disksize) {
- gfs2_consist_inode(dip);
- return -EIO;
- }
+ hsize_bytes = hsize * sizeof(__be64);
- /* Allocate both the "from" and "to" buffers in one big chunk */
+ hc = gfs2_dir_get_hash_table(dip);
+ if (IS_ERR(hc))
+ return PTR_ERR(hc);
- buf = kcalloc(3, sdp->sd_hash_bsize, GFP_NOFS);
- if (!buf)
+ h = hc2 = kmalloc(hsize_bytes * 2, GFP_NOFS);
+ if (!hc2)
return -ENOMEM;
- for (block = disksize >> sdp->sd_hash_bsize_shift; block--;) {
- error = gfs2_dir_read_data(dip, (char *)buf,
- block * sdp->sd_hash_bsize,
- sdp->sd_hash_bsize, 1);
- if (error != sdp->sd_hash_bsize) {
- if (error >= 0)
- error = -EIO;
- goto fail;
- }
-
- from = buf;
- to = (u64 *)((char *)buf + sdp->sd_hash_bsize);
-
- for (x = sdp->sd_hash_ptrs; x--; from++) {
- *to++ = *from; /* No endianess worries */
- *to++ = *from;
- }
+ error = gfs2_meta_inode_buffer(dip, &dibh);
+ if (error)
+ goto out_kfree;
- error = gfs2_dir_write_data(dip,
- (char *)buf + sdp->sd_hash_bsize,
- block * sdp->sd_sb.sb_bsize,
- sdp->sd_sb.sb_bsize);
- if (error != sdp->sd_sb.sb_bsize) {
- if (error >= 0)
- error = -EIO;
- goto fail;
- }
+ for (x = 0; x < hsize; x++) {
+ *h++ = *hc;
+ *h++ = *hc;
+ hc++;
}
- kfree(buf);
-
- error = gfs2_meta_inode_buffer(dip, &dibh);
- if (!gfs2_assert_withdraw(sdp, !error)) {
- dip->i_depth++;
- gfs2_dinode_out(dip, dibh->b_data);
- brelse(dibh);
- }
+ error = gfs2_dir_write_data(dip, (char *)hc2, 0, hsize_bytes * 2);
+ if (error != (hsize_bytes * 2))
+ goto fail;
- return error;
+ gfs2_dir_hash_inval(dip);
+ dip->i_hash_cache = hc2;
+ dip->i_depth++;
+ gfs2_dinode_out(dip, dibh->b_data);
+ brelse(dibh);
+ return 0;
fail:
- kfree(buf);
+ /* Replace original hash table & size */
+ gfs2_dir_write_data(dip, (char *)hc, 0, hsize_bytes);
+ i_size_write(&dip->i_inode, hsize_bytes);
+ gfs2_dinode_out(dip, dibh->b_data);
+ brelse(dibh);
+out_kfree:
+ kfree(hc2);
return error;
}
@@ -1348,6 +1390,7 @@ out:
return error;
}
+
/**
* dir_e_read - Reads the entries from a directory into a filldir buffer
* @dip: dinode pointer
@@ -1362,9 +1405,7 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque,
filldir_t filldir)
{
struct gfs2_inode *dip = GFS2_I(inode);
- struct gfs2_sbd *sdp = GFS2_SB(inode);
u32 hsize, len = 0;
- u32 ht_offset, lp_offset, ht_offset_cur = -1;
u32 hash, index;
__be64 *lp;
int copied = 0;
@@ -1372,37 +1413,17 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque,
unsigned depth = 0;
hsize = 1 << dip->i_depth;
- if (hsize * sizeof(u64) != i_size_read(inode)) {
- gfs2_consist_inode(dip);
- return -EIO;
- }
-
hash = gfs2_dir_offset2hash(*offset);
index = hash >> (32 - dip->i_depth);
- lp = kmalloc(sdp->sd_hash_bsize, GFP_NOFS);
- if (!lp)
- return -ENOMEM;
+ lp = gfs2_dir_get_hash_table(dip);
+ if (IS_ERR(lp))
+ return PTR_ERR(lp);
while (index < hsize) {
- lp_offset = index & (sdp->sd_hash_ptrs - 1);
- ht_offset = index - lp_offset;
-
- if (ht_offset_cur != ht_offset) {
- error = gfs2_dir_read_data(dip, (char *)lp,
- ht_offset * sizeof(__be64),
- sdp->sd_hash_bsize, 1);
- if (error != sdp->sd_hash_bsize) {
- if (error >= 0)
- error = -EIO;
- goto out;
- }
- ht_offset_cur = ht_offset;
- }
-
error = gfs2_dir_read_leaf(inode, offset, opaque, filldir,
&copied, &depth,
- be64_to_cpu(lp[lp_offset]));
+ be64_to_cpu(lp[index]));
if (error)
break;
@@ -1410,8 +1431,6 @@ static int dir_e_read(struct inode *inode, u64 *offset, void *opaque,
index = (index & ~(len - 1)) + len;
}
-out:
- kfree(lp);
if (error > 0)
error = 0;
return error;
@@ -1914,43 +1933,22 @@ out:
int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip)
{
- struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
struct buffer_head *bh;
struct gfs2_leaf *leaf;
u32 hsize, len;
- u32 ht_offset, lp_offset, ht_offset_cur = -1;
u32 index = 0, next_index;
__be64 *lp;
u64 leaf_no;
int error = 0, last;
hsize = 1 << dip->i_depth;
- if (hsize * sizeof(u64) != i_size_read(&dip->i_inode)) {
- gfs2_consist_inode(dip);
- return -EIO;
- }
- lp = kmalloc(sdp->sd_hash_bsize, GFP_NOFS);
- if (!lp)
- return -ENOMEM;
+ lp = gfs2_dir_get_hash_table(dip);
+ if (IS_ERR(lp))
+ return PTR_ERR(lp);
while (index < hsize) {
- lp_offset = index & (sdp->sd_hash_ptrs - 1);
- ht_offset = index - lp_offset;
-
- if (ht_offset_cur != ht_offset) {
- error = gfs2_dir_read_data(dip, (char *)lp,
- ht_offset * sizeof(__be64),
- sdp->sd_hash_bsize, 1);
- if (error != sdp->sd_hash_bsize) {
- if (error >= 0)
- error = -EIO;
- goto out;
- }
- ht_offset_cur = ht_offset;
- }
-
- leaf_no = be64_to_cpu(lp[lp_offset]);
+ leaf_no = be64_to_cpu(lp[index]);
if (leaf_no) {
error = get_leaf(dip, leaf_no, &bh);
if (error)
@@ -1976,7 +1974,6 @@ int gfs2_dir_exhash_dealloc(struct gfs2_inode *dip)
}
out:
- kfree(lp);
return error;
}
diff --git a/fs/gfs2/dir.h b/fs/gfs2/dir.h
index e686af11bec..ff5772fbf02 100644
--- a/fs/gfs2/dir.h
+++ b/fs/gfs2/dir.h
@@ -35,6 +35,7 @@ extern int gfs2_diradd_alloc_required(struct inode *dir,
const struct qstr *filename);
extern int gfs2_dir_get_new_buffer(struct gfs2_inode *ip, u64 block,
struct buffer_head **bhp);
+extern void gfs2_dir_hash_inval(struct gfs2_inode *ip);
static inline u32 gfs2_disk_hash(const char *data, int len)
{
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index a9f5cbe45cd..bc2590ef5fc 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -174,7 +174,9 @@ void gfs2_set_inode_flags(struct inode *inode)
struct gfs2_inode *ip = GFS2_I(inode);
unsigned int flags = inode->i_flags;
- flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC);
+ flags &= ~(S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_NOSEC);
+ if ((ip->i_eattr == 0) && !is_sxid(inode->i_mode))
+ inode->i_flags |= S_NOSEC;
if (ip->i_diskflags & GFS2_DIF_IMMUTABLE)
flags |= S_IMMUTABLE;
if (ip->i_diskflags & GFS2_DIF_APPENDONLY)
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 1c1336e7b3b..88e8a23d002 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -409,6 +409,10 @@ static void state_change(struct gfs2_glock *gl, unsigned int new_state)
if (held1 && held2 && list_empty(&gl->gl_holders))
clear_bit(GLF_QUEUED, &gl->gl_flags);
+ if (new_state != gl->gl_target)
+ /* shorten our minimum hold time */
+ gl->gl_hold_time = max(gl->gl_hold_time - GL_GLOCK_HOLD_DECR,
+ GL_GLOCK_MIN_HOLD);
gl->gl_state = new_state;
gl->gl_tchange = jiffies;
}
@@ -668,7 +672,7 @@ static void glock_work_func(struct work_struct *work)
gl->gl_demote_state != LM_ST_EXCLUSIVE) {
unsigned long holdtime, now = jiffies;
- holdtime = gl->gl_tchange + gl->gl_ops->go_min_hold_time;
+ holdtime = gl->gl_tchange + gl->gl_hold_time;
if (time_before(now, holdtime))
delay = holdtime - now;
@@ -679,9 +683,14 @@ static void glock_work_func(struct work_struct *work)
}
run_queue(gl, 0);
spin_unlock(&gl->gl_spin);
- if (!delay ||
- queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0)
+ if (!delay)
gfs2_glock_put(gl);
+ else {
+ if (gl->gl_name.ln_type != LM_TYPE_INODE)
+ delay = 0;
+ if (queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0)
+ gfs2_glock_put(gl);
+ }
if (drop_ref)
gfs2_glock_put(gl);
}
@@ -743,6 +752,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
gl->gl_tchange = jiffies;
gl->gl_object = NULL;
gl->gl_sbd = sdp;
+ gl->gl_hold_time = GL_GLOCK_DFT_HOLD;
INIT_DELAYED_WORK(&gl->gl_work, glock_work_func);
INIT_WORK(&gl->gl_delete, delete_work_func);
@@ -855,8 +865,15 @@ static int gfs2_glock_demote_wait(void *word)
static void wait_on_holder(struct gfs2_holder *gh)
{
+ unsigned long time1 = jiffies;
+
might_sleep();
wait_on_bit(&gh->gh_iflags, HIF_WAIT, gfs2_glock_holder_wait, TASK_UNINTERRUPTIBLE);
+ if (time_after(jiffies, time1 + HZ)) /* have we waited > a second? */
+ /* Lengthen the minimum hold time. */
+ gh->gh_gl->gl_hold_time = min(gh->gh_gl->gl_hold_time +
+ GL_GLOCK_HOLD_INCR,
+ GL_GLOCK_MAX_HOLD);
}
static void wait_on_demote(struct gfs2_glock *gl)
@@ -1093,8 +1110,9 @@ void gfs2_glock_dq(struct gfs2_holder *gh)
gfs2_glock_hold(gl);
if (test_bit(GLF_PENDING_DEMOTE, &gl->gl_flags) &&
- !test_bit(GLF_DEMOTE, &gl->gl_flags))
- delay = gl->gl_ops->go_min_hold_time;
+ !test_bit(GLF_DEMOTE, &gl->gl_flags) &&
+ gl->gl_name.ln_type == LM_TYPE_INODE)
+ delay = gl->gl_hold_time;
if (queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0)
gfs2_glock_put(gl);
}
@@ -1273,12 +1291,13 @@ void gfs2_glock_cb(struct gfs2_glock *gl, unsigned int state)
unsigned long now = jiffies;
gfs2_glock_hold(gl);
- holdtime = gl->gl_tchange + gl->gl_ops->go_min_hold_time;
- if (test_bit(GLF_QUEUED, &gl->gl_flags)) {
+ holdtime = gl->gl_tchange + gl->gl_hold_time;
+ if (test_bit(GLF_QUEUED, &gl->gl_flags) &&
+ gl->gl_name.ln_type == LM_TYPE_INODE) {
if (time_before(now, holdtime))
delay = holdtime - now;
if (test_bit(GLF_REPLY_PENDING, &gl->gl_flags))
- delay = gl->gl_ops->go_min_hold_time;
+ delay = gl->gl_hold_time;
}
spin_lock(&gl->gl_spin);
@@ -1667,7 +1686,7 @@ static int __dump_glock(struct seq_file *seq, const struct gfs2_glock *gl)
dtime *= 1000000/HZ; /* demote time in uSec */
if (!test_bit(GLF_DEMOTE, &gl->gl_flags))
dtime = 0;
- gfs2_print_dbg(seq, "G: s:%s n:%u/%llx f:%s t:%s d:%s/%llu a:%d v:%d r:%d\n",
+ gfs2_print_dbg(seq, "G: s:%s n:%u/%llx f:%s t:%s d:%s/%llu a:%d v:%d r:%d m:%ld\n",
state2str(gl->gl_state),
gl->gl_name.ln_type,
(unsigned long long)gl->gl_name.ln_number,
@@ -1676,7 +1695,7 @@ static int __dump_glock(struct seq_file *seq, const struct gfs2_glock *gl)
state2str(gl->gl_demote_state), dtime,
atomic_read(&gl->gl_ail_count),
atomic_read(&gl->gl_revokes),
- atomic_read(&gl->gl_ref));
+ atomic_read(&gl->gl_ref), gl->gl_hold_time);
list_for_each_entry(gh, &gl->gl_holders, gh_list) {
error = dump_holder(seq, gh);
diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index 6b2f757b928..66707118af2 100644
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -113,6 +113,12 @@ enum {
#define GLR_TRYFAILED 13
+#define GL_GLOCK_MAX_HOLD (long)(HZ / 5)
+#define GL_GLOCK_DFT_HOLD (long)(HZ / 5)
+#define GL_GLOCK_MIN_HOLD (long)(10)
+#define GL_GLOCK_HOLD_INCR (long)(HZ / 20)
+#define GL_GLOCK_HOLD_DECR (long)(HZ / 40)
+
struct lm_lockops {
const char *lm_proto_name;
int (*lm_mount) (struct gfs2_sbd *sdp, const char *fsname);
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 2cca29316bd..da21ecaafcc 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -26,6 +26,7 @@
#include "rgrp.h"
#include "util.h"
#include "trans.h"
+#include "dir.h"
/**
* __gfs2_ail_flush - remove all buffers for a given lock from the AIL
@@ -218,6 +219,7 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
if (ip) {
set_bit(GIF_INVALID, &ip->i_flags);
forget_all_cached_acls(&ip->i_inode);
+ gfs2_dir_hash_inval(ip);
}
}
@@ -316,6 +318,8 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
ip->i_generation = be64_to_cpu(str->di_generation);
ip->i_diskflags = be32_to_cpu(str->di_flags);
+ ip->i_eattr = be64_to_cpu(str->di_eattr);
+ /* i_diskflags and i_eattr must be set before gfs2_set_inode_flags() */
gfs2_set_inode_flags(&ip->i_inode);
height = be16_to_cpu(str->di_height);
if (unlikely(height > GFS2_MAX_META_HEIGHT))
@@ -328,7 +332,6 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
ip->i_depth = (u8)depth;
ip->i_entries = be32_to_cpu(str->di_entries);
- ip->i_eattr = be64_to_cpu(str->di_eattr);
if (S_ISREG(ip->i_inode.i_mode))
gfs2_set_aops(&ip->i_inode);
@@ -549,7 +552,6 @@ const struct gfs2_glock_operations gfs2_inode_glops = {
.go_lock = inode_go_lock,
.go_dump = inode_go_dump,
.go_type = LM_TYPE_INODE,
- .go_min_hold_time = HZ / 5,
.go_flags = GLOF_ASPACE,
};
@@ -560,7 +562,6 @@ const struct gfs2_glock_operations gfs2_rgrp_glops = {
.go_unlock = rgrp_go_unlock,
.go_dump = gfs2_rgrp_dump,
.go_type = LM_TYPE_RGRP,
- .go_min_hold_time = HZ / 5,
.go_flags = GLOF_ASPACE,
};
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 81206e70cbf..892ac37de8a 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -163,7 +163,6 @@ struct gfs2_glock_operations {
int (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl);
void (*go_callback) (struct gfs2_glock *gl);
const int go_type;
- const unsigned long go_min_hold_time;
const unsigned long go_flags;
#define GLOF_ASPACE 1
};
@@ -221,6 +220,7 @@ struct gfs2_glock {
unsigned int gl_hash;
unsigned long gl_demote_time; /* time of first demote request */
+ long gl_hold_time;
struct list_head gl_holders;
const struct gfs2_glock_operations *gl_ops;
@@ -285,6 +285,7 @@ struct gfs2_inode {
u64 i_goal; /* goal block for allocations */
struct rw_semaphore i_rw_mutex;
struct list_head i_trunc_list;
+ __be64 *i_hash_cache;
u32 i_entries;
u32 i_diskflags;
u8 i_height;
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index c2b34cd2abe..29e1ace7953 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -41,6 +41,7 @@ static void gfs2_init_inode_once(void *foo)
init_rwsem(&ip->i_rw_mutex);
INIT_LIST_HEAD(&ip->i_trunc_list);
ip->i_alloc = NULL;
+ ip->i_hash_cache = NULL;
}
static void gfs2_init_glock_once(void *foo)
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 2a77071fb7b..516516e0c2a 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -1094,6 +1094,7 @@ static int fill_super(struct super_block *sb, struct gfs2_args *args, int silent
if (sdp->sd_args.ar_nobarrier)
set_bit(SDF_NOBARRIERS, &sdp->sd_flags);
+ sb->s_flags |= MS_NOSEC;
sb->s_magic = GFS2_MAGIC;
sb->s_op = &gfs2_super_ops;
sb->s_d_op = &gfs2_dops;
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 9b780df3fd5..7f8af1eb02d 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -1607,14 +1607,15 @@ rgrp_error:
}
/**
- * gfs2_free_data - free a contiguous run of data block(s)
+ * __gfs2_free_blocks - free a contiguous run of block(s)
* @ip: the inode these blocks are being freed from
* @bstart: first block of a run of contiguous blocks
* @blen: the length of the block run
+ * @meta: 1 if the blocks represent metadata
*
*/
-void __gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen)
+void __gfs2_free_blocks(struct gfs2_inode *ip, u64 bstart, u32 blen, int meta)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
struct gfs2_rgrpd *rgd;
@@ -1631,54 +1632,11 @@ void __gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen)
gfs2_trans_add_rg(rgd);
/* Directories keep their data in the metadata address space */
- if (ip->i_depth)
+ if (meta || ip->i_depth)
gfs2_meta_wipe(ip, bstart, blen);
}
/**
- * gfs2_free_data - free a contiguous run of data block(s)
- * @ip: the inode these blocks are being freed from
- * @bstart: first block of a run of contiguous blocks
- * @blen: the length of the block run
- *
- */
-
-void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen)
-{
- struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
-
- __gfs2_free_data(ip, bstart, blen);
- gfs2_statfs_change(sdp, 0, +blen, 0);
- gfs2_quota_change(ip, -(s64)blen, ip->i_inode.i_uid, ip->i_inode.i_gid);
-}
-
-/**
- * gfs2_free_meta - free a contiguous run of data block(s)
- * @ip: the inode these blocks are being freed from
- * @bstart: first block of a run of contiguous blocks
- * @blen: the length of the block run
- *
- */
-
-void __gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen)
-{
- struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
- struct gfs2_rgrpd *rgd;
-
- rgd = rgblk_free(sdp, bstart, blen, GFS2_BLKST_FREE);
- if (!rgd)
- return;
- trace_gfs2_block_alloc(ip, bstart, blen, GFS2_BLKST_FREE);
- rgd->rd_free += blen;
-
- gfs2_trans_add_bh(rgd->rd_gl, rgd->rd_bits[0].bi_bh, 1);
- gfs2_rgrp_out(rgd, rgd->rd_bits[0].bi_bh->b_data);
-
- gfs2_trans_add_rg(rgd);
- gfs2_meta_wipe(ip, bstart, blen);
-}
-
-/**
* gfs2_free_meta - free a contiguous run of data block(s)
* @ip: the inode these blocks are being freed from
* @bstart: first block of a run of contiguous blocks
@@ -1690,7 +1648,7 @@ void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
- __gfs2_free_meta(ip, bstart, blen);
+ __gfs2_free_blocks(ip, bstart, blen, 1);
gfs2_statfs_change(sdp, 0, +blen, 0);
gfs2_quota_change(ip, -(s64)blen, ip->i_inode.i_uid, ip->i_inode.i_gid);
}
diff --git a/fs/gfs2/rgrp.h b/fs/gfs2/rgrp.h
index a80e3034ac4..d253f9a8c70 100644
--- a/fs/gfs2/rgrp.h
+++ b/fs/gfs2/rgrp.h
@@ -52,9 +52,7 @@ extern int gfs2_ri_update(struct gfs2_inode *ip);
extern int gfs2_alloc_block(struct gfs2_inode *ip, u64 *bn, unsigned int *n);
extern int gfs2_alloc_di(struct gfs2_inode *ip, u64 *bn, u64 *generation);
-extern void __gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen);
-extern void gfs2_free_data(struct gfs2_inode *ip, u64 bstart, u32 blen);
-extern void __gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen);
+extern void __gfs2_free_blocks(struct gfs2_inode *ip, u64 bstart, u32 blen, int meta);
extern void gfs2_free_meta(struct gfs2_inode *ip, u64 bstart, u32 blen);
extern void gfs2_free_di(struct gfs2_rgrpd *rgd, struct gfs2_inode *ip);
extern void gfs2_unlink_di(struct inode *inode);
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index fb0edf73548..b7beadd9ba4 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1533,7 +1533,7 @@ out:
/* Case 3 starts here */
truncate_inode_pages(&inode->i_data, 0);
end_writeback(inode);
-
+ gfs2_dir_hash_inval(ip);
ip->i_gl->gl_object = NULL;
gfs2_glock_add_to_lru(ip->i_gl);
gfs2_glock_put(ip->i_gl);