Add performance optimization that might slightly improve small IO sizes
benchmarks.
Signed-off-by: Max Gurtovoy <maxg@xxxxxxxxxxxx>
---
drivers/infiniband/ulp/isert/ib_isert.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index b7df38ee8ae0..c818eebe6538 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -847,7 +847,7 @@ isert_post_recv(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc)
rx_wr.next = NULL;
ret = ib_post_recv(isert_conn->qp, &rx_wr, NULL);
- if (ret)
+ if (unlikely(ret))
isert_err("ib_post_recv() failed with ret: %d\n", ret);
return ret;
@@ -1831,7 +1831,7 @@ isert_post_response(struct isert_conn *isert_conn, struct isert_cmd *isert_cmd)
}
ret = ib_post_send(isert_conn->qp, &isert_cmd->tx_desc.send_wr, NULL);
- if (ret) {
+ if (unlikely(ret)) {
isert_err("ib_post_send failed with %d\n", ret);
return ret;
}
--
2.18.1
