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nfs: nfs_kill_super() should call bdi_unregister() after killing super
author
Jens Axboe
<jens.axboe@oracle.com>
Thu, 17 Sep 2009 12:51:44 +0000
(14:51 +0200)
committer
Jens Axboe
<jens.axboe@oracle.com>
Mon, 21 Sep 2009 13:40:32 +0000
(15:40 +0200)
Otherwise we could be attempting to flush data for a writeback
thread and bdi that have already disappeared.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
fs/nfs/super.c
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diff --git
a/fs/nfs/super.c
b/fs/nfs/super.c
index
de93569
..
f1cc058
100644
(file)
--- a/
fs/nfs/super.c
+++ b/
fs/nfs/super.c
@@
-2190,8
+2190,8
@@
static void nfs_kill_super(struct super_block *s)
{
struct nfs_server *server = NFS_SB(s);
- bdi_unregister(&server->backing_dev_info);
kill_anon_super(s);
+ bdi_unregister(&server->backing_dev_info);
nfs_fscache_release_super_cookie(s);
nfs_free_server(server);
}