Inode's data or non journaled quota may be written w/o jounral so we must
send a barrier at the end of ext3_sync_fs. But it can be skipped if journal
commit will do it for us.
changes from v1:
skip barrier for async mode
Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx>
---
fs/ext3/super.c | 12 ++++++++----
1 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index fb5120a..c8a4e17 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2521,6 +2521,7 @@ int ext3_force_commit(struct super_block *sb)
static int ext3_sync_fs(struct super_block *sb, int wait)
{
tid_t target;
+ int ret = 0;
trace_ext3_sync_fs(sb, wait);
/*
@@ -2528,11 +2529,14 @@ static int ext3_sync_fs(struct super_block *sb, int wait)
* no dirty dquots
*/
dquot_writeback_dquots(sb, -1);
- if (journal_start_commit(EXT3_SB(sb)->s_journal, &target)) {
- if (wait)
- log_wait_commit(EXT3_SB(sb)->s_journal, target);
+ if (wait) {
+ if (journal_start_commit(EXT3_SB(sb)->s_journal, &target))
+ ret = log_wait_commit(EXT3_SB(sb)->s_journal, target);
+ else
+ ret = blkdev_issue_flush(sb->s_bdev, GFP_KERNEL, NULL);
}
- return 0;
+
+ return ret;
}
/*
--
1.7.1
--
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