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authorChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>2018-11-19 13:35:30 -0800
committerJens Axboe <axboe@kernel.dk>2018-12-07 22:26:58 -0700
commitcb019da3dabf60d792f76a913540815f06abb1d7 (patch)
tree2af71cc0ebc72240ab30466e3437a0ba18b582d1 /drivers/nvme
parentad1f824948e4ed886529219cf7cd717d078c630d (diff)
downloadlinux-cb019da3dabf60d792f76a913540815f06abb1d7.tar.bz2
nvmet: use unlikely for req status check
This patch adds unlikely in the nvmet request completion path for the status check in the low level function __nvmet_req_complete. This is helpful in the scenario where host and target connection is working smoothly. Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/target/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index 2df70010e9f2..e468100b9211 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -617,7 +617,7 @@ static void __nvmet_req_complete(struct nvmet_req *req, u16 status)
nvmet_update_sq_head(req);
req->rsp->sq_id = cpu_to_le16(req->sq->qid);
req->rsp->command_id = req->cmd->common.command_id;
- if (status)
+ if (unlikely(status))
nvmet_set_status(req, status);
if (req->ns)
nvmet_put_namespace(req->ns);