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Commit 173b3afc authored by Benjamin Coddington's avatar Benjamin Coddington Committed by Trond Myklebust
Browse files

lockd: Try to reconnect if statd has moved 



If rpc.statd is restarted, upcalls to monitor hosts can fail with
ECONNREFUSED.  In that case force a lookup of statd's new port and retry the
upcall.

Signed-off-by: default avatarBenjamin Coddington <bcodding@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@primarydata.com>
parent a743419f

fs/lockd/mon.c

+6 −0
Original line number Diff line number Diff line
@@ -159,6 +159,12 @@ static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res, 


	msg.rpc_proc = &clnt->cl_procinfo[proc];

	status = rpc_call_sync(clnt, &msg, RPC_TASK_SOFTCONN);

	if (status == -ECONNREFUSED) {

		dprintk("lockd:	NSM upcall RPC failed, status=%d, forcing rebind\n",

				status);

		rpc_force_rebind(clnt);

		status = rpc_call_sync(clnt, &msg, RPC_TASK_SOFTCONN);

	}

	if (status < 0)

		dprintk("lockd: NSM upcall RPC failed, status=%d\n",

				status);