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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-18 09:35:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-18 09:35:08 -0700
commit145c3ae46b37993b0debb0b3da6256daea4a6ec5 (patch)
tree0dbff382ce36b23b3d2dbff87d3eaab73a07a2a4 /fs/nilfs2
parent81ca03a0e2ea0207b2df80e0edcf4c775c07a505 (diff)
parent99b7db7b8ffd6bb755eb0a175596421a0b581cb2 (diff)
downloadlinux-145c3ae46b37993b0debb0b3da6256daea4a6ec5.tar.bz2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: fs: brlock vfsmount_lock fs: scale files_lock lglock: introduce special lglock and brlock spin locks tty: fix fu_list abuse fs: cleanup files_lock locking fs: remove extra lookup in __lookup_hash fs: fs_struct rwlock to spinlock apparmor: use task path helpers fs: dentry allocation consolidation fs: fix do_lookup false negative mbcache: Limit the maximum number of cache entries hostfs ->follow_link() braino hostfs: dumb (and usually harmless) tpyo - strncpy instead of strlcpy remove SWRITE* I/O types kill BH_Ordered flag vfs: update ctime when changing the file's permission by setfacl cramfs: only unlock new inodes fix reiserfs_evict_inode end_writeback second call
Diffstat (limited to 'fs/nilfs2')
-rw-r--r--fs/nilfs2/super.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index bee60c04109a..922263393c76 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -175,24 +175,24 @@ static int nilfs_sync_super(struct nilfs_sb_info *sbi, int flag)
{
struct the_nilfs *nilfs = sbi->s_nilfs;
int err;
- int barrier_done = 0;
- if (nilfs_test_opt(sbi, BARRIER)) {
- set_buffer_ordered(nilfs->ns_sbh[0]);
- barrier_done = 1;
- }
retry:
set_buffer_dirty(nilfs->ns_sbh[0]);
- err = sync_dirty_buffer(nilfs->ns_sbh[0]);
- if (err == -EOPNOTSUPP && barrier_done) {
- nilfs_warning(sbi->s_super, __func__,
- "barrier-based sync failed. "
- "disabling barriers\n");
- nilfs_clear_opt(sbi, BARRIER);
- barrier_done = 0;
- clear_buffer_ordered(nilfs->ns_sbh[0]);
- goto retry;
+
+ if (nilfs_test_opt(sbi, BARRIER)) {
+ err = __sync_dirty_buffer(nilfs->ns_sbh[0],
+ WRITE_SYNC | WRITE_BARRIER);
+ if (err == -EOPNOTSUPP) {
+ nilfs_warning(sbi->s_super, __func__,
+ "barrier-based sync failed. "
+ "disabling barriers\n");
+ nilfs_clear_opt(sbi, BARRIER);
+ goto retry;
+ }
+ } else {
+ err = sync_dirty_buffer(nilfs->ns_sbh[0]);
}
+
if (unlikely(err)) {
printk(KERN_ERR
"NILFS: unable to write superblock (err=%d)\n", err);