[PATCH 5.11 021/104] RDMA/rtrs: Do not signal for heatbeat

From: Greg Kroah-Hartman
Date: Fri Mar 05 2021 - 07:25:07 EST


From: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>

commit b38041d50add1c881fbc60eb2be93b58fc58ea21 upstream.

For HB, there is no need to generate signal for completion.

Also remove a comment accordingly.

Fixes: c0894b3ea69d ("RDMA/rtrs: core: lib functions shared between client and server modules")
Link: https://lore.kernel.org/r/20201217141915.56989-16-jinpu.wang@xxxxxxxxxxxxxxx
Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>
Reported-by: Gioh Kim <gi-oh.kim@xxxxxxxxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/ulp/rtrs/rtrs-clt.c | 1 -
drivers/infiniband/ulp/rtrs/rtrs-srv.c | 1 -
drivers/infiniband/ulp/rtrs/rtrs.c | 4 ++--
3 files changed, 2 insertions(+), 4 deletions(-)

--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -666,7 +666,6 @@ static void rtrs_clt_rdma_done(struct ib
case IB_WC_RDMA_WRITE:
/*
* post_send() RDMA write completions of IO reqs (read/write)
- * and hb
*/
break;

--- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c
@@ -1244,7 +1244,6 @@ static void rtrs_srv_rdma_done(struct ib
case IB_WC_SEND:
/*
* post_send() RDMA write completions of IO reqs (read/write)
- * and hb
*/
atomic_add(srv->queue_depth, &con->sq_wr_avail);

--- a/drivers/infiniband/ulp/rtrs/rtrs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs.c
@@ -310,7 +310,7 @@ void rtrs_send_hb_ack(struct rtrs_sess *

imm = rtrs_to_imm(RTRS_HB_ACK_IMM, 0);
err = rtrs_post_rdma_write_imm_empty(usr_con, sess->hb_cqe, imm,
- IB_SEND_SIGNALED, NULL);
+ 0, NULL);
if (err) {
sess->hb_err_handler(usr_con);
return;
@@ -339,7 +339,7 @@ static void hb_work(struct work_struct *
}
imm = rtrs_to_imm(RTRS_HB_MSG_IMM, 0);
err = rtrs_post_rdma_write_imm_empty(usr_con, sess->hb_cqe, imm,
- IB_SEND_SIGNALED, NULL);
+ 0, NULL);
if (err) {
sess->hb_err_handler(usr_con);
return;