nfs: nfs_kill_super() should call bdi_unregister() after killing super

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>
This commit is contained in:
Jens Axboe 2009-09-17 14:51:44 +02:00
parent 6952b61de9
commit 92f25053c0

View file

@ -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);
}