xprtrdma: Simplify rpcrdma_ep_post_recv()

Clean up.

Since commit fc664485 ("xprtrdma: Split the completion queue"),
rpcrdma_ep_post_recv() no longer uses the "ep" argument.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

net/sunrpc/xprtrdma/backchannel.c

@@ -397,7 +397,7 @@ void rpcrdma_bc_receive_call(struct rpcrdma_xprt *r_xprt,
 out_short:
 	pr_warn("RPC/RDMA short backward direction call\n");
 
-	if (rpcrdma_ep_post_recv(&r_xprt->rx_ia, &r_xprt->rx_ep, rep))
+	if (rpcrdma_ep_post_recv(&r_xprt->rx_ia, rep))
 		xprt_disconnect_done(xprt);
 	else
 		pr_warn("RPC:       %s: reposting rep %p\n",

net/sunrpc/xprtrdma/rpc_rdma.c

@@ -1141,6 +1141,6 @@ rpcrdma_reply_handler(struct rpcrdma_rep *rep)
 
 repost:
 	r_xprt->rx_stats.bad_reply_count++;
-	if (rpcrdma_ep_post_recv(&r_xprt->rx_ia, &r_xprt->rx_ep, rep))
+	if (rpcrdma_ep_post_recv(&r_xprt->rx_ia, rep))
 		rpcrdma_recv_buffer_put(rep);
 }

net/sunrpc/xprtrdma/verbs.c

@@ -1265,7 +1265,7 @@ rpcrdma_ep_post(struct rpcrdma_ia *ia,
 	int i, rc;
 
 	if (rep) {
-		rc = rpcrdma_ep_post_recv(ia, ep, rep);
+		rc = rpcrdma_ep_post_recv(ia, rep);
 		if (rc)
 			return rc;
 		req->rl_reply = NULL;
@@ -1300,12 +1300,8 @@ rpcrdma_ep_post(struct rpcrdma_ia *ia,
 	return -ENOTCONN;
 }
 
-/*
- * (Re)post a receive buffer.
- */
 int
 rpcrdma_ep_post_recv(struct rpcrdma_ia *ia,
-		     struct rpcrdma_ep *ep,
 		     struct rpcrdma_rep *rep)
 {
 	struct ib_recv_wr recv_wr, *recv_wr_fail;
@@ -1344,7 +1340,6 @@ rpcrdma_ep_post_extra_recv(struct rpcrdma_xprt *r_xprt, unsigned int count)
 {
 	struct rpcrdma_buffer *buffers = &r_xprt->rx_buf;
 	struct rpcrdma_ia *ia = &r_xprt->rx_ia;
-	struct rpcrdma_ep *ep = &r_xprt->rx_ep;
 	struct rpcrdma_rep *rep;
 	int rc;
 
@@ -1355,7 +1350,7 @@ rpcrdma_ep_post_extra_recv(struct rpcrdma_xprt *r_xprt, unsigned int count)
 		rep = rpcrdma_buffer_get_rep_locked(buffers);
 		spin_unlock(&buffers->rb_lock);
 
-		rc = rpcrdma_ep_post_recv(ia, ep, rep);
+		rc = rpcrdma_ep_post_recv(ia, rep);
 		if (rc)
 			goto out_rc;
 	}

net/sunrpc/xprtrdma/xprt_rdma.h

@@ -457,8 +457,7 @@ void rpcrdma_ep_disconnect(struct rpcrdma_ep *, struct rpcrdma_ia *);
 
 int rpcrdma_ep_post(struct rpcrdma_ia *, struct rpcrdma_ep *,
 				struct rpcrdma_req *);
-int rpcrdma_ep_post_recv(struct rpcrdma_ia *, struct rpcrdma_ep *,
-				struct rpcrdma_rep *);
+int rpcrdma_ep_post_recv(struct rpcrdma_ia *, struct rpcrdma_rep *);
 
 /*
  * Buffer calls - xprtrdma/verbs.c