Re: [PATCH] block: don't call blk_mq_quiesce_queue() after queue is freezed

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On Tue, 2017-05-02 at 07:28 +0800, Ming Lei wrote:
> After queue is freezed, no request in this queue can be in use
> at all, so there can't be any .queue_rq() is running on this queue.
> It isn't necessary to call blk_mq_quiesce_queue() any more, so
> remove it in both elevator_switch_mq() and blk_mq_update_nr_requests().

Reviewed-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>




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