3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Benjamin Coddington <bcodding@xxxxxxxxxx>
commit 173b3afceebe76fa2205b2c8808682d5b541fe3c upstream.
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: Benjamin Coddington <bcodding@xxxxxxxxxx>
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/lockd/mon.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -159,6 +159,12 @@ static int nsm_mon_unmon(struct nsm_hand
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);
--
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