aboutsummaryrefslogtreecommitdiffstats
path: root/fs/gfs2
diff options
context:
space:
mode:
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/glock.c10
-rw-r--r--fs/gfs2/glops.c6
-rw-r--r--fs/gfs2/inode.c8
-rw-r--r--fs/gfs2/inode.h14
-rw-r--r--fs/gfs2/ops_file.c12
-rw-r--r--fs/gfs2/ops_fstype.c5
-rw-r--r--fs/gfs2/ops_inode.c1
-rw-r--r--fs/gfs2/quota.c4
-rw-r--r--fs/gfs2/rgrp.c13
9 files changed, 43 insertions, 30 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 3984e47d1d33..1afd9f26bcb1 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -597,7 +597,6 @@ __acquires(&gl->gl_spin)
GLOCK_BUG_ON(gl, test_bit(GLF_DEMOTE_IN_PROGRESS, &gl->gl_flags));
- down_read(&gfs2_umount_flush_sem);
if (test_bit(GLF_DEMOTE, &gl->gl_flags) &&
gl->gl_demote_state != gl->gl_state) {
if (find_first_holder(gl))
@@ -614,15 +613,14 @@ __acquires(&gl->gl_spin)
if (ret == 0)
goto out_unlock;
if (ret == 2)
- goto out_sem;
+ goto out;
gh = find_first_waiter(gl);
gl->gl_target = gh->gh_state;
if (!(gh->gh_flags & (LM_FLAG_TRY | LM_FLAG_TRY_1CB)))
do_error(gl, 0); /* Fail queued try locks */
}
do_xmote(gl, gh, gl->gl_target);
-out_sem:
- up_read(&gfs2_umount_flush_sem);
+out:
return;
out_sched:
@@ -631,7 +629,7 @@ out_sched:
gfs2_glock_put(gl);
out_unlock:
clear_bit(GLF_LOCK, &gl->gl_flags);
- goto out_sem;
+ goto out;
}
static void glock_work_func(struct work_struct *work)
@@ -641,6 +639,7 @@ static void glock_work_func(struct work_struct *work)
if (test_and_clear_bit(GLF_REPLY_PENDING, &gl->gl_flags))
finish_xmote(gl, gl->gl_reply);
+ down_read(&gfs2_umount_flush_sem);
spin_lock(&gl->gl_spin);
if (test_and_clear_bit(GLF_PENDING_DEMOTE, &gl->gl_flags) &&
gl->gl_state != LM_ST_UNLOCKED &&
@@ -653,6 +652,7 @@ static void glock_work_func(struct work_struct *work)
}
run_queue(gl, 0);
spin_unlock(&gl->gl_spin);
+ up_read(&gfs2_umount_flush_sem);
if (!delay ||
queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0)
gfs2_glock_put(gl);
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index bf23a62aa925..70f87f43afa2 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -156,6 +156,12 @@ static void inode_go_sync(struct gfs2_glock *gl)
error = filemap_fdatawait(metamapping);
mapping_set_error(metamapping, error);
gfs2_ail_empty_gl(gl);
+ /*
+ * Writeback of the data mapping may cause the dirty flag to be set
+ * so we have to clear it again here.
+ */
+ smp_mb__before_clear_bit();
+ clear_bit(GLF_DIRTY, &gl->gl_flags);
}
/**
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 7b277d449155..5a31d426116f 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -137,15 +137,15 @@ void gfs2_set_iop(struct inode *inode)
if (S_ISREG(mode)) {
inode->i_op = &gfs2_file_iops;
if (gfs2_localflocks(sdp))
- inode->i_fop = gfs2_file_fops_nolock;
+ inode->i_fop = &gfs2_file_fops_nolock;
else
- inode->i_fop = gfs2_file_fops;
+ inode->i_fop = &gfs2_file_fops;
} else if (S_ISDIR(mode)) {
inode->i_op = &gfs2_dir_iops;
if (gfs2_localflocks(sdp))
- inode->i_fop = gfs2_dir_fops_nolock;
+ inode->i_fop = &gfs2_dir_fops_nolock;
else
- inode->i_fop = gfs2_dir_fops;
+ inode->i_fop = &gfs2_dir_fops;
} else if (S_ISLNK(mode)) {
inode->i_op = &gfs2_symlink_iops;
} else {
diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h
index dca4fee3078b..c30be2b66580 100644
--- a/fs/gfs2/inode.h
+++ b/fs/gfs2/inode.h
@@ -101,21 +101,23 @@ void gfs2_dinode_print(const struct gfs2_inode *ip);
extern const struct inode_operations gfs2_file_iops;
extern const struct inode_operations gfs2_dir_iops;
extern const struct inode_operations gfs2_symlink_iops;
-extern const struct file_operations *gfs2_file_fops_nolock;
-extern const struct file_operations *gfs2_dir_fops_nolock;
+extern const struct file_operations gfs2_file_fops_nolock;
+extern const struct file_operations gfs2_dir_fops_nolock;
extern void gfs2_set_inode_flags(struct inode *inode);
#ifdef CONFIG_GFS2_FS_LOCKING_DLM
-extern const struct file_operations *gfs2_file_fops;
-extern const struct file_operations *gfs2_dir_fops;
+extern const struct file_operations gfs2_file_fops;
+extern const struct file_operations gfs2_dir_fops;
+
static inline int gfs2_localflocks(const struct gfs2_sbd *sdp)
{
return sdp->sd_args.ar_localflocks;
}
#else /* Single node only */
-#define gfs2_file_fops NULL
-#define gfs2_dir_fops NULL
+#define gfs2_file_fops gfs2_file_fops_nolock
+#define gfs2_dir_fops gfs2_dir_fops_nolock
+
static inline int gfs2_localflocks(const struct gfs2_sbd *sdp)
{
return 1;
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index 70b9b8548945..5d82e91887e3 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -413,7 +413,9 @@ out_unlock:
gfs2_glock_dq(&gh);
out:
gfs2_holder_uninit(&gh);
- if (ret)
+ if (ret == -ENOMEM)
+ ret = VM_FAULT_OOM;
+ else if (ret)
ret = VM_FAULT_SIGBUS;
return ret;
}
@@ -705,7 +707,7 @@ static int gfs2_flock(struct file *file, int cmd, struct file_lock *fl)
}
}
-const struct file_operations *gfs2_file_fops = &(const struct file_operations){
+const struct file_operations gfs2_file_fops = {
.llseek = gfs2_llseek,
.read = do_sync_read,
.aio_read = generic_file_aio_read,
@@ -723,7 +725,7 @@ const struct file_operations *gfs2_file_fops = &(const struct file_operations){
.setlease = gfs2_setlease,
};
-const struct file_operations *gfs2_dir_fops = &(const struct file_operations){
+const struct file_operations gfs2_dir_fops = {
.readdir = gfs2_readdir,
.unlocked_ioctl = gfs2_ioctl,
.open = gfs2_open,
@@ -735,7 +737,7 @@ const struct file_operations *gfs2_dir_fops = &(const struct file_operations){
#endif /* CONFIG_GFS2_FS_LOCKING_DLM */
-const struct file_operations *gfs2_file_fops_nolock = &(const struct file_operations){
+const struct file_operations gfs2_file_fops_nolock = {
.llseek = gfs2_llseek,
.read = do_sync_read,
.aio_read = generic_file_aio_read,
@@ -751,7 +753,7 @@ const struct file_operations *gfs2_file_fops_nolock = &(const struct file_operat
.setlease = generic_setlease,
};
-const struct file_operations *gfs2_dir_fops_nolock = &(const struct file_operations){
+const struct file_operations gfs2_dir_fops_nolock = {
.readdir = gfs2_readdir,
.unlocked_ioctl = gfs2_ioctl,
.open = gfs2_open,
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 51883b3ad89c..650a730707b7 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -272,11 +272,6 @@ static int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector)
lock_page(page);
bio = bio_alloc(GFP_NOFS, 1);
- if (unlikely(!bio)) {
- __free_page(page);
- return -ENOBUFS;
- }
-
bio->bi_sector = sector * (sb->s_blocksize >> 9);
bio->bi_bdev = sb->s_bdev;
bio_add_page(bio, page, PAGE_SIZE, 0);
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index abd5429ae285..1c70fa5168d6 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -371,6 +371,7 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry,
ip = ghs[1].gh_gl->gl_object;
ip->i_disksize = size;
+ i_size_write(inode, size);
error = gfs2_meta_inode_buffer(ip, &dibh);
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index 8d53f66b5bcc..152e6c4a0dca 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -81,7 +81,7 @@ struct gfs2_quota_change_host {
static LIST_HEAD(qd_lru_list);
static atomic_t qd_lru_count = ATOMIC_INIT(0);
-static spinlock_t qd_lru_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(qd_lru_lock);
int gfs2_shrink_qd_memory(int nr, gfp_t gfp_mask)
{
@@ -1364,7 +1364,7 @@ int gfs2_quotad(void *data)
refrigerator();
t = min(quotad_timeo, statfs_timeo);
- prepare_to_wait(&sdp->sd_quota_wait, &wait, TASK_UNINTERRUPTIBLE);
+ prepare_to_wait(&sdp->sd_quota_wait, &wait, TASK_INTERRUPTIBLE);
spin_lock(&sdp->sd_trunc_lock);
empty = list_empty(&sdp->sd_trunc_list);
spin_unlock(&sdp->sd_trunc_lock);
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index f03d024038ea..565038243fa2 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -212,8 +212,7 @@ static u32 gfs2_bitfit(const u8 *buf, const unsigned int len,
if (tmp == 0)
return BFITNOENT;
ptr--;
- bit = fls64(tmp);
- bit--; /* fls64 always adds one to the bit count */
+ bit = __ffs64(tmp);
bit /= 2; /* two bits per entry in the bitmap */
return (((const unsigned char *)ptr - buf) * GFS2_NBBY) + bit;
}
@@ -1445,10 +1444,12 @@ static struct gfs2_rgrpd *rgblk_free(struct gfs2_sbd *sdp, u64 bstart,
u64 gfs2_alloc_block(struct gfs2_inode *ip, unsigned int *n)
{
struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
+ struct buffer_head *dibh;
struct gfs2_alloc *al = ip->i_alloc;
struct gfs2_rgrpd *rgd = al->al_rgd;
u32 goal, blk;
u64 block;
+ int error;
if (rgrp_contains_block(rgd, ip->i_goal))
goal = ip->i_goal - rgd->rd_data0;
@@ -1461,7 +1462,13 @@ u64 gfs2_alloc_block(struct gfs2_inode *ip, unsigned int *n)
rgd->rd_last_alloc = blk;
block = rgd->rd_data0 + blk;
ip->i_goal = block;
-
+ error = gfs2_meta_inode_buffer(ip, &dibh);
+ if (error == 0) {
+ struct gfs2_dinode *di = (struct gfs2_dinode *)dibh->b_data;
+ gfs2_trans_add_bh(ip->i_gl, dibh, 1);
+ di->di_goal_meta = di->di_goal_data = cpu_to_be64(ip->i_goal);
+ brelse(dibh);
+ }
gfs2_assert_withdraw(sdp, rgd->rd_free >= *n);
rgd->rd_free -= *n;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.