On 04/28/2017 01:32 AM, Ming Lei wrote: > We have freezed queue already, not necessary to call > blk_mq_quiesce_queue() any more, so remove it.
Are you sure? It ensures that we also aren't in the middle of blk_mq_make_request(), we need a stable view of the sched status throughout that. Similarly with updating the request maps. -- Jens Axboe
