diff mbox

[2/2] lockd: Try to reconnect if statd has moved

Message ID 005770f212b347da4f3842224cc94743567dcf31.1411486371.git.bcodding@redhat.com (mailing list archive)
State New, archived
Headers show

Commit Message

Benjamin Coddington Sept. 23, 2014, 4:26 p.m. UTC 
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>
---
 fs/lockd/mon.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
diff mbox

Patch

diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index daa8e75..9106f42 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);