tree 6668f249999c9fde9d6f97e6307e414159bacfcf
parent bb6fbc4548b9ae7ebbd06ef72f00229df259d217
author NeilBrown <neilb@suse.de> 1268266817 +1100
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1268681865 -0400

NFS: ensure bdi_unregister is called on mount failure.

bdi_unregister is called by nfs_put_super which is only called by
generic_shutdown_super if ->s_root is not NULL.  So if we error out
in a circumstance where we called nfs_bdi_register (i.e. server !=
NULL) but have not set s_root, then we need to call bdi_unregister
explicitly in nfs_get_sb and various other *_get_sb() functions.

Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>