SUNRPC: Use TCP for local rpcbind upcalls
Use TCP with the soft connect semantic for local rpcbind upcalls so
the kernel can detect immediately if the local rpcbind daemon is not
running.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 116db74..4011540 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -176,7 +176,7 @@
static int rpcb_create_local(void)
{
struct rpc_create_args args = {
- .protocol = XPRT_TRANSPORT_UDP,
+ .protocol = XPRT_TRANSPORT_TCP,
.address = (struct sockaddr *)&rpcb_inaddr_loopback,
.addrsize = sizeof(rpcb_inaddr_loopback),
.servername = "localhost",
@@ -258,7 +258,7 @@
msg->rpc_resp = &result;
- error = rpc_call_sync(clnt, msg, 0);
+ error = rpc_call_sync(clnt, msg, RPC_TASK_SOFTCONN);
if (error < 0) {
dprintk("RPC: failed to contact local rpcbind "
"server (errno %d).\n", -error);