From: alex chen <alex.chen@xxxxxxxxxx>
This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.
===============
commit f7cf4f5bfe073ad792ab49c04f247626b3e38db6 upstream.
Do not put bh when buffer_uptodate failed in ocfs2_write_block and
ocfs2_write_super_or_backup, because it will put bh in b_end_io.
Otherwise it will hit a warning "VFS: brelse: Trying to free free
buffer".
Signed-off-by: Alex Chen <alex.chen@xxxxxxxxxx>
Reviewed-by: Joseph Qi <joseph.qi@xxxxxxxxxx>
Reviewed-by: Srinivas Eeda <srinivas.eeda@xxxxxxxxxx>
Cc: Mark Fasheh <mfasheh@xxxxxxxx>
Acked-by: Joel Becker <jlbec@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
fs/ocfs2/buffer_head_io.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c
index 5d18ad10c27f..4f66e007dae1 100644
--- a/fs/ocfs2/buffer_head_io.c
+++ b/fs/ocfs2/buffer_head_io.c
@@ -90,7 +90,6 @@ int ocfs2_write_block(struct ocfs2_super *osb, struct buffer_head *bh,
* information for this bh as it's not marked locally
* uptodate. */
ret = -EIO;
- put_bh(bh);
mlog_errno(ret);
}
@@ -420,7 +419,6 @@ int ocfs2_write_super_or_backup(struct ocfs2_super *osb,
if (!buffer_uptodate(bh)) {
ret = -EIO;
- put_bh(bh);
mlog_errno(ret);
}
--
1.9.2
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