staging/rdma/hfi1: remove s_rdma_mr

It can be conveyed in the verbs_txreq.
Reviewed-by: NDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: NMike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

drivers/staging/rdma/hfi1/rc.c

@@ -266,9 +266,9 @@ static int make_rc_ack(struct hfi1_ibdev *dev, struct rvt_qp *qp,
 				goto bail;
 			}
 			/* Copy SGE state in case we need to resend */
-			qp->s_rdma_mr = e->rdma_sge.mr;
-			if (qp->s_rdma_mr)
-				rvt_get_mr(qp->s_rdma_mr);
+			ps->s_txreq->mr = e->rdma_sge.mr;
+			if (ps->s_txreq->mr)
+				rvt_get_mr(ps->s_txreq->mr);
 			qp->s_ack_rdma_sge.sge = e->rdma_sge;
 			qp->s_ack_rdma_sge.num_sge = 1;
 			qp->s_cur_sge = &qp->s_ack_rdma_sge;
@@ -305,9 +305,9 @@ static int make_rc_ack(struct hfi1_ibdev *dev, struct rvt_qp *qp,
 		/* FALLTHROUGH */
 	case OP(RDMA_READ_RESPONSE_MIDDLE):
 		qp->s_cur_sge = &qp->s_ack_rdma_sge;
-		qp->s_rdma_mr = qp->s_ack_rdma_sge.sge.mr;
-		if (qp->s_rdma_mr)
-			rvt_get_mr(qp->s_rdma_mr);
+		ps->s_txreq->mr = qp->s_ack_rdma_sge.sge.mr;
+		if (ps->s_txreq->mr)
+			rvt_get_mr(ps->s_txreq->mr);
 		len = qp->s_ack_rdma_sge.sge.sge_length;
 		if (len > pmtu) {
 			len = pmtu;

drivers/staging/rdma/hfi1/verbs.c

@@ -728,9 +728,6 @@ int hfi1_verbs_send_dma(struct rvt_qp *qp, struct hfi1_pkt_state *ps,
 		pbc = create_pbc(ppd, pbc_flags, qp->srate_mbps, vl, plen);
 	}
 	tx->wqe = qp->s_wqe;
-	tx->mr = qp->s_rdma_mr;
-	if (qp->s_rdma_mr)
-		qp->s_rdma_mr = NULL;
 	tx->hdr_dwords = hdrwords + 2;
 	ret = build_verbs_tx_desc(tx->sde, ss, len, tx, ahdr, pbc);
 	if (unlikely(ret))
@@ -889,11 +886,6 @@ int hfi1_verbs_send_pio(struct rvt_qp *qp, struct hfi1_pkt_state *ps,
 	trace_output_ibhdr(dd_from_ibdev(qp->ibqp.device),
 			   &ps->s_txreq->phdr.hdr);
 
-	if (qp->s_rdma_mr) {
-		rvt_put_mr(qp->s_rdma_mr);
-		qp->s_rdma_mr = NULL;
-	}
-
 pio_bail:
 	if (qp->s_wqe) {
 		spin_lock_irqsave(&qp->s_lock, flags);