From: Sagi Grimberg <sagig@mellanox.com>
Date: Sun, 7 Dec 2014 14:10:05 +0000 (+0200)
Subject: IB/iser: Micro-optimize iser_handle_wc
X-Git-Tag: v3.19-rc1~30^2^4~2
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=06c7fb6776ddb0ece4bcee8061eeda4ed4a771dc;p=uclinux-h8%2Flinux.git

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 5d69927e9efc..695a2704bd43 100644
--- 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,