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 <[email protected]> Cc: Hannes Reinecke <[email protected]> Cc: Omar Sandoval <[email protected]> Cc: Ming Lei <[email protected]> --- 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) { -- 2.12.2
