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* [PATCH 1/1] nvmet-rdma: add unlikely check in the fast path
@ 2018-06-27 11:58 Max Gurtovoy
  2018-06-28 14:36 ` Sagi Grimberg
  2018-06-29  9:05 ` Christoph Hellwig
  0 siblings, 2 replies; 3+ messages in thread
From: Max Gurtovoy @ 2018-06-27 11:58 UTC (permalink / raw)


ib_post_send operation should succeed unless something unusual
happened to the ib device.

Signed-off-by: Max Gurtovoy <maxg at mellanox.com>
---
 drivers/nvme/target/rdma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 88d9f82..ac4fdab 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -501,7 +501,7 @@ static void nvmet_rdma_queue_response(struct nvmet_req *req)
 		rsp->send_sge.addr, rsp->send_sge.length,
 		DMA_TO_DEVICE);
 
-	if (ib_post_send(cm_id->qp, first_wr, &bad_wr)) {
+	if (unlikely(ib_post_send(cm_id->qp, first_wr, &bad_wr))) {
 		pr_err("sending cmd response failed\n");
 		nvmet_rdma_release_rsp(rsp);
 	}
-- 
1.8.3.1

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH 1/1] nvmet-rdma: add unlikely check in the fast path
  2018-06-27 11:58 [PATCH 1/1] nvmet-rdma: add unlikely check in the fast path Max Gurtovoy
@ 2018-06-28 14:36 ` Sagi Grimberg
  2018-06-29  9:05 ` Christoph Hellwig
  1 sibling, 0 replies; 3+ messages in thread
From: Sagi Grimberg @ 2018-06-28 14:36 UTC (permalink / raw)


Reviewed-by: Sagi Grimberg <sagi at grimberg.me>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [PATCH 1/1] nvmet-rdma: add unlikely check in the fast path
  2018-06-27 11:58 [PATCH 1/1] nvmet-rdma: add unlikely check in the fast path Max Gurtovoy
  2018-06-28 14:36 ` Sagi Grimberg
@ 2018-06-29  9:05 ` Christoph Hellwig
  1 sibling, 0 replies; 3+ messages in thread
From: Christoph Hellwig @ 2018-06-29  9:05 UTC (permalink / raw)


Thanks, applied.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2018-06-29  9:05 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2018-06-27 11:58 [PATCH 1/1] nvmet-rdma: add unlikely check in the fast path Max Gurtovoy
2018-06-28 14:36 ` Sagi Grimberg
2018-06-29  9:05 ` Christoph Hellwig

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