Re: [PATCH 16/28] blk-cgroup: remove legacy queue bypassing

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]

  Powered by Linux