On Thu, Apr 27, 2017 at 08:54:33AM -0700, Bart Van Assche wrote:
> The first version of blk_mq_quiesce_queue() that was posted on
> the linux-block mailing list waited for ongoing .queue_rq()
> calls but did not stop the request queue. The current version
> however stops the request queue. Hence reflect this behavior in
> the comment above that function.
>
> Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
> Cc: Hannes Reinecke <hare@xxxxxxxx>
> Cc: Omar Sandoval <osandov@xxxxxx>
> Cc: Ming Lei <ming.lei@xxxxxxxxxx>
> ---
> block/blk-mq.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/block/blk-mq.c b/block/blk-mq.c
> index 3b3420f76b5a..113c09d8026c 100644
> --- a/block/blk-mq.c
> +++ b/block/blk-mq.c
> @@ -157,8 +157,7 @@ EXPORT_SYMBOL_GPL(blk_mq_unfreeze_queue);
> * @q: request queue.
> *
> * Note: this function does not prevent that the struct request end_io()
> - * callback function is invoked. Additionally, it is not prevented that
> - * new queue_rq() calls occur unless the queue has been stopped first.
> + * callback function is invoked.
> */
> void blk_mq_quiesce_queue(struct request_queue *q)
> {
Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>
Thanks,
Ming
