Subject: + ocfs2-do-not-put-bh-when-buffer_uptodate-failed.patch added to -mm tree
To: alex.chen@xxxxxxxxxx,jlbec@xxxxxxxxxxxx,joseph.qi@xxxxxxxxxx,mfasheh@xxxxxxxx,srinivas.eeda@xxxxxxxxxx,stable@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Wed, 26 Mar 2014 15:37:33 -0700
The patch titled
Subject: ocfs2: do not put bh when buffer_uptodate failed
has been added to the -mm tree. Its filename is
ocfs2-do-not-put-bh-when-buffer_uptodate-failed.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/ocfs2-do-not-put-bh-when-buffer_uptodate-failed.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/ocfs2-do-not-put-bh-when-buffer_uptodate-failed.patch
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------------------------------------------------------
From: alex chen <alex.chen@xxxxxxxxxx>
Subject: ocfs2: do not put bh when buffer_uptodate failed
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>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/buffer_head_io.c | 2 --
1 file changed, 2 deletions(-)
diff -puN fs/ocfs2/buffer_head_io.c~ocfs2-do-not-put-bh-when-buffer_uptodate-failed fs/ocfs2/buffer_head_io.c
--- a/fs/ocfs2/buffer_head_io.c~ocfs2-do-not-put-bh-when-buffer_uptodate-failed
+++ a/fs/ocfs2/buffer_head_io.c
@@ -90,7 +90,6 @@ int ocfs2_write_block(struct ocfs2_super
* 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 o
if (!buffer_uptodate(bh)) {
ret = -EIO;
- put_bh(bh);
mlog_errno(ret);
}
_
Patches currently in -mm which might be from alex.chen@xxxxxxxxxx are
ocfs2-do-not-put-bh-when-buffer_uptodate-failed.patch
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