SUNRPC: create rpcbind client in passed network namespace context

Rpcbind clients are per network namespace.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

net/sunrpc/rpcb_clnt.c

@@ -344,11 +344,12 @@ out:
 	return result;
 }
 
-static struct rpc_clnt *rpcb_create(char *hostname, struct sockaddr *srvaddr,
+static struct rpc_clnt *rpcb_create(struct net *net, char *hostname,
-				    size_t salen, int proto, u32 version)
+				    struct sockaddr *srvaddr, size_t salen,
+				    int proto, u32 version)
 {
 	struct rpc_create_args args = {
-		.net		= &init_net,
+		.net		= net,
 		.protocol	= proto,
 		.address	= srvaddr,
 		.addrsize	= salen,
@@ -708,8 +709,8 @@ void rpcb_getport_async(struct rpc_task *task)
 	dprintk("RPC: %5u %s: trying rpcbind version %u\n",
 		task->tk_pid, __func__, bind_version);
 
-	rpcb_clnt = rpcb_create(clnt->cl_server, sap, salen, xprt->prot,
+	rpcb_clnt = rpcb_create(xprt->xprt_net, clnt->cl_server, sap, salen,
-				bind_version);
+				xprt->prot, bind_version);
 	if (IS_ERR(rpcb_clnt)) {
 		status = PTR_ERR(rpcb_clnt);
 		dprintk("RPC: %5u %s: rpcb_create failed, error %ld\n",