diff options
| author | Ming Lei | 2021-10-14 16:17:05 +0800 |
|---|---|---|
| committer | Jens Axboe | 2021-10-19 18:27:58 -0600 |
| commit | a277654bafb51fb8b4cf23550f15926bb02536f4 (patch) | |
| tree | 8152fde8c38639f009945b59b60820de612b9451 | |
| parent | 2fc428f6b7ca80794cb9928c90d4de524366659f (diff) | |
nvme: add APIs for stopping/starting admin queue
Add two APIs for stopping and starting admin queue.
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20211014081710.1871747-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | drivers/nvme/host/core.c | 12 | ||||
| -rw-r--r-- | drivers/nvme/host/nvme.h | 2 |
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 3109bdf137e4..5fde5f635ca0 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -4579,6 +4579,18 @@ void nvme_start_queues(struct nvme_ctrl *ctrl) } EXPORT_SYMBOL_GPL(nvme_start_queues); +void nvme_stop_admin_queue(struct nvme_ctrl *ctrl) +{ + blk_mq_quiesce_queue(ctrl->admin_q); +} +EXPORT_SYMBOL_GPL(nvme_stop_admin_queue); + +void nvme_start_admin_queue(struct nvme_ctrl *ctrl) +{ + blk_mq_unquiesce_queue(ctrl->admin_q); +} +EXPORT_SYMBOL_GPL(nvme_start_admin_queue); + void nvme_sync_io_queues(struct nvme_ctrl *ctrl) { struct nvme_ns *ns; diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index ef2467b93adb..e7af00860452 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -679,6 +679,8 @@ void nvme_complete_async_event(struct nvme_ctrl *ctrl, __le16 status, void nvme_stop_queues(struct nvme_ctrl *ctrl); void nvme_start_queues(struct nvme_ctrl *ctrl); +void nvme_stop_admin_queue(struct nvme_ctrl *ctrl); +void nvme_start_admin_queue(struct nvme_ctrl *ctrl); void nvme_kill_queues(struct nvme_ctrl *ctrl); void nvme_sync_queues(struct nvme_ctrl *ctrl); void nvme_sync_io_queues(struct nvme_ctrl *ctrl); |