+ ocfs2-do-not-put-bh-when-buffer_uptodate-failed.patch added to -mm tree

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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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