NFSv4.1: Ensure that nfs41_walk_client_list() does start lease recovery

We do need to start the lease recovery thread prior to waiting for the
client initialisation to complete in NFSv4.1.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: Ben Greear <greearb@candelatech.com>
Cc: stable@vger.kernel.org [>=3.7]

fs/nfs/nfs4client.c

@@ -440,14 +440,17 @@ int nfs41_walk_client_list(struct nfs_client *new,
 				nfs_put_client(prev);
 			prev = pos;
 
+			nfs4_schedule_lease_recovery(pos);
 			status = nfs_wait_client_init_complete(pos);
 			if (status < 0) {
 				nfs_put_client(pos);
 				spin_lock(&nn->nfs_client_lock);
 				continue;
 			}
-
+			status = pos->cl_cons_state;
 			spin_lock(&nn->nfs_client_lock);
+			if (status < 0)
+				continue;
 		}
 
 		if (pos->rpc_ops != new->rpc_ops)