On 10/29/18 5:00 AM, Johannes Thumshirn wrote: > Hi Jens, > > On 25/10/18 23:10, Jens Axboe wrote: > [...] >> @@ -1487,8 +1485,6 @@ int blkcg_activate_policy(struct request_queue *q, >> out_bypass_end: >> if (q->mq_ops) >> blk_mq_unfreeze_queue(q); >> - else >> - blk_queue_bypass_end(q); > >> >> > > Now that we only have mq, do we still need all these checks for q->mq_ops?
We need it for the cases where we can be passing in a stacked driver or an mq driver, or for cases where we explicitly register mq attributes, and that sort of thing. -- Jens Axboe
