RDMA/rtrs-clt: Fix the max_send_wr setting

For each write request, we need Request, Response Memory Registration,
Local Invalidate.

Fixes: 6a98d71 ("RDMA/rtrs: client: main functionality")
Signed-off-by: Jack Wang <[email protected]>
Reviewed-by: Md Haris Iqbal <[email protected]>
Signed-off-by: Grzegorz Prajsner <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Leon Romanovsky <[email protected]>

Author: jinpuwang

drivers/infiniband/ulp/rtrs/rtrs-clt.c

@@ -1699,7 +1699,7 @@ static int create_con_cq_qp(struct rtrs_clt_con *con)
 		clt_path->s.dev_ref++;
 		max_send_wr = min_t(int, wr_limit,
 			      /* QD * (REQ + RSP + FR REGS or INVS) + drain */
-			      clt_path->queue_depth * 3 + 1);
+			      clt_path->queue_depth * 4 + 1);
 		max_recv_wr = min_t(int, wr_limit,
 			      clt_path->queue_depth * 3 + 1);
 		max_send_sge = 2;