diff options
| author | Max Gurtovoy <[email protected]> | 2018-06-27 14:58:02 +0300 |
|---|---|---|
| committer | Christoph Hellwig <[email protected]> | 2018-07-23 09:35:16 +0200 |
| commit | 2fc464e2162c2b2f7faf7404fa9c35d1cf70aa00 (patch) | |
| tree | cf76b124b108cf16c01fa89b0eec113ff6b851ac | |
| parent | 0d5ee2b2ab4f6776c361bc975c2323bc8b5cf349 (diff) | |
nvmet-rdma: add unlikely check in the fast path
ib_post_send operation should succeed unless something unusual
happened to the ib device.
Signed-off-by: Max Gurtovoy <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
| -rw-r--r-- | drivers/nvme/target/rdma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c index 2106ae2ec177..4ca09456bbbb 100644 --- a/drivers/nvme/target/rdma.c +++ b/drivers/nvme/target/rdma.c @@ -546,7 +546,7 @@ 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); } |