[PATCH 3/8] nvme-loop: quiesce admin_q instead of stopping hw queues
From: Sagi Grimberg <sagi@grimberg.me>
Date: 2017-07-04 07:55:07
Also in:
linux-nvme
Subsystem:
nvm express target driver, the rest · Maintainers:
Christoph Hellwig, Sagi Grimberg, Chaitanya Kulkarni, Linus Torvalds
Before we iterate over the tags, we need to make sure that no inflight requests are being queued, so use quiesce helper for that. Signed-off-by: Sagi Grimberg <sagi@grimberg.me> --- drivers/nvme/target/loop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c
index 3d51341e62ee..891002ee005f 100644
--- a/drivers/nvme/target/loop.c
+++ b/drivers/nvme/target/loop.c@@ -434,7 +434,7 @@ static void nvme_loop_shutdown_ctrl(struct nvme_loop_ctrl *ctrl) if (ctrl->ctrl.state == NVME_CTRL_LIVE) nvme_shutdown_ctrl(&ctrl->ctrl); - blk_mq_stop_hw_queues(ctrl->ctrl.admin_q); + blk_mq_quiesce_queue(ctrl->ctrl.admin_q); blk_mq_tagset_busy_iter(&ctrl->admin_tag_set, nvme_cancel_request, &ctrl->ctrl); nvme_loop_destroy_admin_queue(ctrl);
--
2.7.4