svcrdma: Remove post_send_wr

Clean up: Now that the send_wr is part of the svc_rdma_send_ctxt,
svc_rdma_post_send_wr is nearly empty.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

4 files changed, 16 insertions, 40 deletions

diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
index bfb8824e31e1..a8bfc214614b 100644
--- a/include/linux/sunrpc/svc_rdma.h
+++ b/include/linux/sunrpc/svc_rdma.h
@@ -202,9 +202,6 @@ extern int svc_rdma_send(struct svcxprt_rdma *rdma, struct ib_send_wr *wr);
 extern int svc_rdma_map_reply_hdr(struct svcxprt_rdma *rdma,
                                   struct svc_rdma_send_ctxt *ctxt,
                                   __be32 *rdma_resp, unsigned int len);
-extern int svc_rdma_post_send_wr(struct svcxprt_rdma *rdma,
-                                 struct svc_rdma_send_ctxt *ctxt,
-                                 u32 inv_rkey);
 extern int svc_rdma_sendto(struct svc_rqst *);
 
 /* svc_rdma_transport.c */
diff --git a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
index 95e33511cc6f..40f5e4afbcc8 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
@@ -139,7 +139,8 @@ static int svc_rdma_bc_sendto(struct svcxprt_rdma *rdma,
          * the rq_buffer before all retransmits are complete.
          */
         get_page(virt_to_page(rqst->rq_buffer));
-        ret = svc_rdma_post_send_wr(rdma, ctxt, 0);
+        ctxt->sc_send_wr.opcode = IB_WR_SEND;
+        ret = svc_rdma_send(rdma, &ctxt->sc_send_wr);
         if (ret)
                 goto out_unmap;
 
diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
index 2d1e0db4c869..68648e6c5be2 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
@@ -642,7 +642,8 @@ static void svc_rdma_send_error(struct svcxprt_rdma *xprt,
                 return;
         }
 
-        ret = svc_rdma_post_send_wr(xprt, ctxt, 0);
+        ctxt->sc_send_wr.opcode = IB_WR_SEND;
+        ret = svc_rdma_send(xprt, &ctxt->sc_send_wr);
         if (ret)
                 svc_rdma_send_ctxt_put(xprt, ctxt);
 }
diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
index 53d8db6bfaf2..0ebdc0c76483 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
@@ -630,35 +630,6 @@ static void svc_rdma_save_io_pages(struct svc_rqst *rqstp,
         rqstp->rq_next_page = rqstp->rq_respages + 1;
 }
 
-/**
- * svc_rdma_post_send_wr - Set up and post one Send Work Request
- * @rdma: controlling transport
- * @ctxt: op_ctxt for transmitting the Send WR
- * @inv_rkey: R_key argument to Send With Invalidate, or zero
- *
- * Returns:
- *      %0 if the Send* was posted successfully,
- *      %-ENOTCONN if the connection was lost or dropped,
- *      %-EINVAL if there was a problem with the Send we built,
- *      %-ENOMEM if ib_post_send failed.
- */
-int svc_rdma_post_send_wr(struct svcxprt_rdma *rdma,
-                          struct svc_rdma_send_ctxt *ctxt,
-                          u32 inv_rkey)
-{
-        dprintk("svcrdma: posting Send WR with %u sge(s)\n",
-                ctxt->sc_send_wr.num_sge);
-
-        if (inv_rkey) {
-                ctxt->sc_send_wr.opcode = IB_WR_SEND_WITH_INV;
-                ctxt->sc_send_wr.ex.invalidate_rkey = inv_rkey;
-        } else {
-                ctxt->sc_send_wr.opcode = IB_WR_SEND;
-        }
-
-        return svc_rdma_send(rdma, &ctxt->sc_send_wr);
-}
-
 /* Prepare the portion of the RPC Reply that will be transmitted
  * via RDMA Send. The RPC-over-RDMA transport header is prepared
  * in sc_sges[0], and the RPC xdr_buf is prepared in following sges.
@@ -683,7 +654,6 @@ static int svc_rdma_send_reply_msg(struct svcxprt_rdma *rdma,
                                    __be32 *wr_lst, __be32 *rp_ch)
 {
         struct svc_rdma_send_ctxt *ctxt;
-        u32 inv_rkey;
         int ret;
 
         ctxt = svc_rdma_send_ctxt_get(rdma);
@@ -704,10 +674,16 @@ static int svc_rdma_send_reply_msg(struct svcxprt_rdma *rdma,
 
         svc_rdma_save_io_pages(rqstp, ctxt);
 
-        inv_rkey = 0;
-        if (rdma->sc_snd_w_inv)
-                inv_rkey = svc_rdma_get_inv_rkey(rdma_argp, wr_lst, rp_ch);
-        ret = svc_rdma_post_send_wr(rdma, ctxt, inv_rkey);
+        ctxt->sc_send_wr.opcode = IB_WR_SEND;
+        if (rdma->sc_snd_w_inv) {
+                ctxt->sc_send_wr.ex.invalidate_rkey =
+                        svc_rdma_get_inv_rkey(rdma_argp, wr_lst, rp_ch);
+                if (ctxt->sc_send_wr.ex.invalidate_rkey)
+                        ctxt->sc_send_wr.opcode = IB_WR_SEND_WITH_INV;
+        }
+        dprintk("svcrdma: posting Send WR with %u sge(s)\n",
+                ctxt->sc_send_wr.num_sge);
+        ret = svc_rdma_send(rdma, &ctxt->sc_send_wr);
         if (ret)
                 goto err;
 
@@ -750,7 +726,8 @@ static int svc_rdma_send_error_msg(struct svcxprt_rdma *rdma,
 
         svc_rdma_save_io_pages(rqstp, ctxt);
 
-        ret = svc_rdma_post_send_wr(rdma, ctxt, 0);
+        ctxt->sc_send_wr.opcode = IB_WR_SEND;
+        ret = svc_rdma_send(rdma, &ctxt->sc_send_wr);
         if (ret)
                 goto err;