svcrdma: Remove post_send_wr
authorChuck Lever <chuck.lever@oracle.com>
Mon, 7 May 2018 19:28:15 +0000 (15:28 -0400)
committerJ. Bruce Fields <bfields@redhat.com>
Fri, 11 May 2018 19:48:57 +0000 (15:48 -0400)
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>
include/linux/sunrpc/svc_rdma.h
net/sunrpc/xprtrdma/svc_rdma_backchannel.c
net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
net/sunrpc/xprtrdma/svc_rdma_sendto.c

index bfb8824e31e102d6df3c16a65467d4d8eea16879..a8bfc214614b40274e30a9d0a7c0f8266546b1d9 100644 (file)
@@ -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 */
index 95e33511cc6f3f2758c79bc08f8ef8ad3a93411a..40f5e4afbcc866777b6044f1f78219154e23c391 100644 (file)
@@ -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;
 
index 2d1e0db4c8697327fdc9408c598f384db2c111d6..68648e6c5be29b87f57784423658b0e6c9f84ce7 100644 (file)
@@ -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);
 }
index 53d8db6bfaf2126e2f85a05cfecb0b0f99c5430a..0ebdc0c764835b7fb52b7407abdafac506d6e0c8 100644 (file)
@@ -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;