xprtrdma: Move send_wr to struct rpcrdma_req

Clean up: Most of the fields in each send_wr do not vary. There is
no need to initialize them before each ib_post_send(). This removes
a large-ish data structure from the stack.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c
index 6187cee87fa9..c2906e314287 100644
--- a/net/sunrpc/xprtrdma/rpc_rdma.c
+++ b/net/sunrpc/xprtrdma/rpc_rdma.c
@@ -687,7 +687,7 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst)
         req->rl_send_iov[0].length = hdrlen;
         req->rl_send_iov[0].lkey = rdmab_lkey(req->rl_rdmabuf);
 
-        req->rl_niovs = 1;
+        req->rl_send_wr.num_sge = 1;
         if (rtype == rpcrdma_areadch)
                 return 0;
 
@@ -697,7 +697,8 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst)
         req->rl_send_iov[1].length = rpclen;
         req->rl_send_iov[1].lkey = rdmab_lkey(req->rl_sendbuf);
 
-        req->rl_niovs = 2;
+        req->rl_send_wr.num_sge = 2;
+
         return 0;
 
 out_overflow: