IB/iser: Micro-optimize iser_handle_wc

Use likely() for wc.status == IB_WC_SUCCESS

Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 5d69927..695a270 100644 (file)
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -1230,7 +1230,7 @@ static void iser_handle_wc(struct ib_wc *wc)
        struct iser_rx_desc *rx_desc;
 
        ib_conn = wc->qp->qp_context;
-       if (wc->status == IB_WC_SUCCESS) {
+       if (likely(wc->status == IB_WC_SUCCESS)) {
                if (wc->opcode == IB_WC_RECV) {
                        rx_desc = (struct iser_rx_desc *)(uintptr_t)wc->wr_id;
                        iser_rcv_completion(rx_desc, wc->byte_len,