diff mbox series

[3/4] RDMA/srpt: Reduce max_recv_sge to 1

Message ID 20200522213341.16341-4-bvanassche@acm.org (mailing list archive)
State Superseded
Delegated to: Jason Gunthorpe
Headers show
Series SRP initiator and target patches for kernel v5.8 | expand

Commit Message

Bart Van Assche May 22, 2020, 9:33 p.m. UTC 
Since srpt_post_recv() always sets num_sge to 1, reduce the max_recv_sge
parameter that is used at queue pair allocation time to 1.

Cc: Laurence Oberman <loberman@redhat.com>
Cc: Kamal Heib <kamalheib1@gmail.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/infiniband/ulp/srpt/ib_srpt.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index a39ad9fc4224..1ad3cc7c553a 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1818,16 +1818,12 @@  static int srpt_create_ch_ib(struct srpt_rdma_ch *ch)
 	qp_init->cap.max_rdma_ctxs = sq_size / 2;
 	qp_init->cap.max_send_sge = min(attrs->max_send_sge,
 					SRPT_MAX_SG_PER_WQE);
-	qp_init->cap.max_recv_sge = min(attrs->max_recv_sge,
-					SRPT_MAX_SG_PER_WQE);
+	qp_init->cap.max_recv_sge = 1;
 	qp_init->port_num = ch->sport->port;
-	if (sdev->use_srq) {
+	if (sdev->use_srq)
 		qp_init->srq = sdev->srq;
-	} else {
+	else
 		qp_init->cap.max_recv_wr = ch->rq_size;
-		qp_init->cap.max_recv_sge = min(attrs->max_recv_sge,
-						SRPT_MAX_SG_PER_WQE);
-	}
 
 	if (ch->using_rdma_cm) {
 		ret = rdma_create_qp(ch->rdma_cm.cm_id, sdev->pd, qp_init);