3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Jan Kara <[email protected]>

commit 9b171e0c74ca0549d0610990a862dd895870f04a upstream.

Running AIO is pinning inode in memory using file reference. Once AIO
is completed using aio_complete(), file reference is put and inode can
be freed from memory. So we have to be sure that calling aio_complete()
is the last thing we do with the inode.

Signed-off-by: Jan Kara <[email protected]>
Acked-by: Jeff Moyer <[email protected]>
Acked-by: Joel Becker <[email protected]>
Cc: Mark Fasheh <[email protected]>
Cc: Al Viro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Al Viro <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 fs/ocfs2/aops.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -593,9 +593,9 @@ static void ocfs2_dio_end_io(struct kioc
        level = ocfs2_iocb_rw_locked_level(iocb);
        ocfs2_rw_unlock(inode, level);
 
+       inode_dio_done(inode);
        if (is_async)
                aio_complete(iocb, ret, 0);
-       inode_dio_done(inode);
 }
 
 /*


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