From: Bart Van Assche <bart.vanassche@wdc.com>
Date: Wed, 18 Jul 2018 09:25:30 -0700
Subject: net/smc: Simplify ib_post_(send|recv|srq_recv)() calls
Patch-mainline: v4.19-rc1
Git-commit: 2e3bbe46b4a18d16314dab0c0efdba0c079a5ed0
References: bsc#1103992 FATE#326009
Instead of declaring and passing a dummy 'bad_wr' pointer, pass NULL
as third argument to ib_post_(send|recv|srq_recv)().
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Acked-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Petr Tesarik <ptesarik@suse.com>
---
net/smc/smc_tx.c | 3 +--
net/smc/smc_wr.c | 8 ++------
net/smc/smc_wr.h | 3 +--
3 files changed, 4 insertions(+), 10 deletions(-)
--- a/net/smc/smc_tx.c
+++ b/net/smc/smc_tx.c
@@ -225,7 +225,6 @@ static int smc_tx_rdma_write(struct smc_
int num_sges, struct ib_sge sges[])
{
struct smc_link_group *lgr = conn->lgr;
- struct ib_send_wr *failed_wr = NULL;
struct ib_rdma_wr rdma_wr;
struct smc_link *link;
int rc;
@@ -243,7 +242,7 @@ static int smc_tx_rdma_write(struct smc_
/* offset within RMBE */
peer_rmbe_offset;
rdma_wr.rkey = lgr->rtokens[conn->rtoken_idx][SMC_SINGLE_LINK].rkey;
- rc = ib_post_send(link->roce_qp, &rdma_wr.wr, &failed_wr);
+ rc = ib_post_send(link->roce_qp, &rdma_wr.wr, NULL);
if (rc) {
conn->local_tx_ctrl.conn_state_flags.peer_conn_abort = 1;
smc_lgr_terminate(lgr);
--- a/net/smc/smc_wr.c
+++ b/net/smc/smc_wr.c
@@ -239,15 +239,13 @@ int smc_wr_tx_put_slot(struct smc_link *
*/
int smc_wr_tx_send(struct smc_link *link, struct smc_wr_tx_pend_priv *priv)
{
- struct ib_send_wr *failed_wr = NULL;
struct smc_wr_tx_pend *pend;
int rc;
ib_req_notify_cq(link->smcibdev->roce_cq_send,
IB_CQ_NEXT_COMP | IB_CQ_REPORT_MISSED_EVENTS);
pend = container_of(priv, struct smc_wr_tx_pend, priv);
- rc = ib_post_send(link->roce_qp, &link->wr_tx_ibs[pend->idx],
- &failed_wr);
+ rc = ib_post_send(link->roce_qp, &link->wr_tx_ibs[pend->idx], NULL);
if (rc) {
smc_wr_tx_put_slot(link, priv);
smc_lgr_terminate(smc_get_lgr(link));
@@ -262,7 +260,6 @@ int smc_wr_tx_send(struct smc_link *link
/* Register a memory region and wait for result. */
int smc_wr_reg_send(struct smc_link *link, struct ib_mr *mr)
{
- struct ib_send_wr *failed_wr = NULL;
int rc;
ib_req_notify_cq(link->smcibdev->roce_cq_send,
@@ -271,8 +268,7 @@ int smc_wr_reg_send(struct smc_link *lin
link->wr_reg.wr.wr_id = (u64)(uintptr_t)mr;
link->wr_reg.mr = mr;
link->wr_reg.key = mr->rkey;
- failed_wr = &link->wr_reg.wr;
- rc = ib_post_send(link->roce_qp, &link->wr_reg.wr, &failed_wr);
+ rc = ib_post_send(link->roce_qp, &link->wr_reg.wr, NULL);
if (rc)
return rc;
--- a/net/smc/smc_wr.h
+++ b/net/smc/smc_wr.h
@@ -63,7 +63,6 @@ static inline void smc_wr_tx_set_wr_id(a
/* post a new receive work request to fill a completed old work request entry */
static inline int smc_wr_rx_post(struct smc_link *link)
{
- struct ib_recv_wr *bad_recv_wr = NULL;
int rc;
u64 wr_id, temp_wr_id;
u32 index;
@@ -72,7 +71,7 @@ static inline int smc_wr_rx_post(struct
temp_wr_id = wr_id;
index = do_div(temp_wr_id, link->wr_rx_cnt);
link->wr_rx_ibs[index].wr_id = wr_id;
- rc = ib_post_recv(link->roce_qp, &link->wr_rx_ibs[index], &bad_recv_wr);
+ rc = ib_post_recv(link->roce_qp, &link->wr_rx_ibs[index], NULL);
return rc;
}