From mboxrd@z Thu Jan 1 00:00:00 1970 From: james_p_freyensee@linux.intel.com (Jay Freyensee) Date: Fri, 12 Aug 2016 17:04:51 -0700 Subject: [PATCH v1 4/5] nvme-loop: set sqsize to 0-based value, per spec In-Reply-To: <1471046692-15978-1-git-send-email-james_p_freyensee@linux.intel.com> References: <1471046692-15978-1-git-send-email-james_p_freyensee@linux.intel.com> Message-ID: <1471046692-15978-5-git-send-email-james_p_freyensee@linux.intel.com> Signed-off-by: Jay Freyensee --- drivers/nvme/target/loop.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index 94e7829..ce22d4b0 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -558,7 +558,7 @@ static int nvme_loop_create_io_queues(struct nvme_loop_ctrl *ctrl) memset(&ctrl->tag_set, 0, sizeof(ctrl->tag_set)); ctrl->tag_set.ops = &nvme_loop_mq_ops; - ctrl->tag_set.queue_depth = ctrl->ctrl.sqsize; + ctrl->tag_set.queue_depth = ctrl->ctrl.sqsize + 1; ctrl->tag_set.reserved_tags = 1; /* fabric connect */ ctrl->tag_set.numa_node = NUMA_NO_NODE; ctrl->tag_set.flags = BLK_MQ_F_SHOULD_MERGE; @@ -622,7 +622,7 @@ static struct nvme_ctrl *nvme_loop_create_ctrl(struct device *dev, ret = -ENOMEM; - ctrl->ctrl.sqsize = opts->queue_size; + ctrl->ctrl.sqsize = opts->queue_size - 1; ctrl->ctrl.kato = opts->kato; ctrl->queues = kcalloc(opts->nr_io_queues + 1, sizeof(*ctrl->queues), -- 2.7.4