NFSv4: nfs4_handle_setlk_error() handle expiration as revoke case

If the server tells us our stateid has expired, then handle that as if
it was revoked.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Tested-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 89887f1..27004f5 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6067,6 +6067,7 @@
 {
 	switch (error) {
 	case -NFS4ERR_ADMIN_REVOKED:
+	case -NFS4ERR_EXPIRED:
 	case -NFS4ERR_BAD_STATEID:
 		lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED;
 		if (new_lock_owner != 0 ||
@@ -6075,7 +6076,6 @@
 		break;
 	case -NFS4ERR_STALE_STATEID:
 		lsp->ls_seqid.flags &= ~NFS_SEQID_CONFIRMED;
-	case -NFS4ERR_EXPIRED:
 		nfs4_schedule_lease_recovery(server->nfs_client);
 	};
 }