This is a note to let you know that I've just added the patch titled
lockd: Try to reconnect if statd has moved
to the 3.17-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
lockd-try-to-reconnect-if-statd-has-moved.patch
and it can be found in the queue-3.17 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 173b3afceebe76fa2205b2c8808682d5b541fe3c Mon Sep 17 00:00:00 2001
From: Benjamin Coddington <bcodding@xxxxxxxxxx>
Date: Tue, 23 Sep 2014 12:26:20 -0400
Subject: lockd: Try to reconnect if statd has moved
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);
Patches currently in stable-queue which might be from bcodding@xxxxxxxxxx are
queue-3.17/lockd-try-to-reconnect-if-statd-has-moved.patch
queue-3.17/sunrpc-don-t-wake-tasks-during-connection-abort.patch
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