Commit 2fc464e2 authored by Max Gurtovoy's avatar Max Gurtovoy Committed by Christoph Hellwig

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: default avatarMax Gurtovoy <maxg@mellanox.com>
Reviewed-by: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 0d5ee2b2
...@@ -546,7 +546,7 @@ static void nvmet_rdma_queue_response(struct nvmet_req *req) ...@@ -546,7 +546,7 @@ static void nvmet_rdma_queue_response(struct nvmet_req *req)
rsp->send_sge.addr, rsp->send_sge.length, rsp->send_sge.addr, rsp->send_sge.length,
DMA_TO_DEVICE); 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"); pr_err("sending cmd response failed\n");
nvmet_rdma_release_rsp(rsp); nvmet_rdma_release_rsp(rsp);
} }
......
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