3.2.46-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Joseph Qi <joseph.qi@xxxxxxxxxx>
commit b4ca2b4b577c3530e34dcfaafccb2cc680ce95d1 upstream.
Last time we found there is lock/unlock bug in ocfs2_file_aio_write, and
then we did a thorough search for all lock resources in
ocfs2_inode_info, including rw, inode and open lockres and found this
bug. My kernel version is 3.0.13, and it is also in the lastest version
3.9. In ocfs2_fiemap, once ocfs2_get_clusters_nocache failed, it should
goto out_unlock instead of out, because we need release buffer head, up
read alloc sem and unlock inode.
Signed-off-by: Joseph Qi <joseph.qi@xxxxxxxxxx>
Reviewed-by: Jie Liu <jeff.liu@xxxxxxxxxx>
Cc: Mark Fasheh <mfasheh@xxxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Acked-by: Sunil Mushran <sunil.mushran@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
fs/ocfs2/extent_map.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -791,7 +791,7 @@ int ocfs2_fiemap(struct inode *inode, st
&hole_size, &rec, &is_last);
if (ret) {
mlog_errno(ret);
- goto out;
+ goto out_unlock;
}
if (rec.e_blkno == 0ULL) {
--
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