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-rw-r--r--net/sunrpc/xprtrdma/frwr_ops.c17
-rw-r--r--net/sunrpc/xprtrdma/verbs.c16
2 files changed, 16 insertions, 17 deletions
diff --git a/net/sunrpc/xprtrdma/frwr_ops.c b/net/sunrpc/xprtrdma/frwr_ops.c
index 951ae20485f3..43a412ea337a 100644
--- a/net/sunrpc/xprtrdma/frwr_ops.c
+++ b/net/sunrpc/xprtrdma/frwr_ops.c
@@ -390,11 +390,13 @@ static void frwr_cid_init(struct rpcrdma_ep *ep,
*/
int frwr_send(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
{
+ struct ib_send_wr *post_wr, *send_wr = &req->rl_wr;
struct rpcrdma_ep *ep = r_xprt->rx_ep;
- struct ib_send_wr *post_wr;
struct rpcrdma_mr *mr;
+ unsigned int num_wrs;
- post_wr = &req->rl_wr;
+ num_wrs = 1;
+ post_wr = send_wr;
list_for_each_entry(mr, &req->rl_registered, mr_list) {
struct rpcrdma_frwr *frwr;
@@ -409,8 +411,19 @@ int frwr_send(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
frwr->fr_regwr.wr.send_flags = 0;
post_wr = &frwr->fr_regwr.wr;
+ ++num_wrs;
}
+ if ((kref_read(&req->rl_kref) > 1) || num_wrs > ep->re_send_count) {
+ send_wr->send_flags |= IB_SEND_SIGNALED;
+ ep->re_send_count = min_t(unsigned int, ep->re_send_batch,
+ num_wrs - ep->re_send_count);
+ } else {
+ send_wr->send_flags &= ~IB_SEND_SIGNALED;
+ ep->re_send_count -= num_wrs;
+ }
+
+ trace_xprtrdma_post_send(req);
return ib_post_send(ep->re_id->qp, post_wr, NULL);
}
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index f97b03129d99..72b24dca96c1 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1365,21 +1365,7 @@ static void rpcrdma_regbuf_free(struct rpcrdma_regbuf *rb)
*/
int rpcrdma_post_sends(struct rpcrdma_xprt *r_xprt, struct rpcrdma_req *req)
{
- struct ib_send_wr *send_wr = &req->rl_wr;
- struct rpcrdma_ep *ep = r_xprt->rx_ep;
- int rc;
-
- if (!ep->re_send_count || kref_read(&req->rl_kref) > 1) {
- send_wr->send_flags |= IB_SEND_SIGNALED;
- ep->re_send_count = ep->re_send_batch;
- } else {
- send_wr->send_flags &= ~IB_SEND_SIGNALED;
- --ep->re_send_count;
- }
-
- trace_xprtrdma_post_send(req);
- rc = frwr_send(r_xprt, req);
- if (rc)
+ if (frwr_send(r_xprt, req))
return -ENOTCONN;
return 0;
}