From: Bart Van Assche <bart.vanassche@wdc.com>
Date: Tue, 16 Jan 2018 16:14:12 -0800
Subject: IB/srpt: Log all zero-length writes and completions
Patch-mainline: v4.16-rc1
Git-commit: 63d370a6a929b17859c140d58cb54ce36d0c4f04
References: bsc#1103992 FATE#326009
The new pr_debug() statements are useful when debugging the ib_srpt
driver.
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/ulp/srpt/ib_srpt.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -840,6 +840,9 @@ static int srpt_zerolength_write(struct
{
struct ib_send_wr wr, *bad_wr;
+ pr_debug("%s-%d: queued zerolength write\n", ch->sess_name,
+ ch->qp->qp_num);
+
memset(&wr, 0, sizeof(wr));
wr.opcode = IB_WR_RDMA_WRITE;
wr.wr_cqe = &ch->zw_cqe;
@@ -851,6 +854,9 @@ static void srpt_zerolength_write_done(s
{
struct srpt_rdma_ch *ch = cq->cq_context;
+ pr_debug("%s-%d wc->status %d\n", ch->sess_name, ch->qp->qp_num,
+ wc->status);
+
if (wc->status == IB_WC_SUCCESS) {
srpt_process_wait_list(ch);
} else {
@@ -1804,8 +1810,6 @@ static bool srpt_close_ch(struct srpt_rd
pr_err("%s-%d: changing queue pair into error state failed: %d\n",
ch->sess_name, ch->qp->qp_num, ret);
- pr_debug("%s-%d: queued zerolength write\n", ch->sess_name,
- ch->qp->qp_num);
ret = srpt_zerolength_write(ch);
if (ret < 0) {
pr_err("%s-%d: queuing zero-length write failed: %d\n",