From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ye Xiaolong <xiaolong.ye@intel.com>
Subject: Re: [lkp-robot] [scsi]  ebc76736f2: fio.write_bw_MBps -4% regression
Date: Tue, 20 Jun 2017 10:16:36 +0800
Message-ID: <20170620021636.GH14764@yexl-desktop>
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To: Christoph Hellwig <hch@lst.de>
Cc: linux-scsi@vger.kernel.org, lkp@01.org, Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org
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Hi, Christoph

On 06/19, Christoph Hellwig wrote:
>On Mon, Jun 19, 2017 at 04:52:36PM +0800, Ye Xiaolong wrote:
>> >I've not seen a compile-time option for the MQ I/O scheduler (unlike
>> >the legacy one), so the way to change it would be to echo the name to
>> >/sys/block/<device>/queue/scheduler 
>> 
>> echo mq-deadline > /sys/block/<device>/queue/scheduler ?
>> 
>> I'll try and post the results once I get it.
>
>Thanks!

I've re-run the test and cat /sys/block/sda/queue/scheduler and
/sys/block/sda/queue/scheduler, and both showed "[mq-deadline] kyber none",
Does it mean they have already set as 'mq-deadline'?

Thanks,
Xiaolong