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| author | Benjamin Coddington <bcodding@redhat.com> | 2014-09-23 12:26:20 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-09-24 23:08:43 -0400 |
| commit | 173b3afceebe76fa2205b2c8808682d5b541fe3c (patch) | |
| tree | a3837987cb5dd87fae87b9769a571b81ce334cb5 | |
| parent | a743419f420a64d442280845c0377a915b76644f (diff) | |
| download | linux-173b3afceebe76fa2205b2c8808682d5b541fe3c.tar.gz linux-173b3afceebe76fa2205b2c8808682d5b541fe3c.tar.bz2 linux-173b3afceebe76fa2205b2c8808682d5b541fe3c.zip | |
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: Benjamin Coddington <bcodding@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
| -rw-r--r-- | fs/lockd/mon.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c index daa8e7514eae..9106f42c472c 100644 --- a/fs/lockd/mon.c +++ b/fs/lockd/mon.c @@ -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); |