[PATCH v3 06/11] dm: Use BLK_MQ_S_STOPPED instead of QUEUE_FLAG_STOPPED in blk-mq code

[Christoph Hellwig]

This looks good:

Reviewed-by: Christoph Hellwig <hch at lst.de>

On Tue, Oct 18, 2016 at 02:51:33PM -0700, Bart Van Assche wrote:
>  static void dm_mq_start_queue(struct request_queue *q)
>  {
> -	unsigned long flags;
> -
> -	spin_lock_irqsave(q->queue_lock, flags);
> -	queue_flag_clear(QUEUE_FLAG_STOPPED, q);
> -	spin_unlock_irqrestore(q->queue_lock, flags);
> -
>  	blk_mq_start_stopped_hw_queues(q, true);
>  	blk_mq_kick_requeue_list(q);

FYI, I'm tempted to say we should always call blk_mq_kick_requeue_list
from blk_mq_start_stopped_hw_queues, but that's a separate issue.