From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mike Snitzer <snitzer-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: block: transfer source bio's cgroup tags to clone via
 bio_associate_blkcg() (was: Re: blkio cgroups controller doesn't work with
 LVM?)
Date: Wed, 2 Mar 2016 13:05:09 -0500
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To: Nikolay Borisov <kernel-6AxghH7DbtA@public.gmane.org>
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On Wed, Mar 02 2016 at  1:03P -0500,
Nikolay Borisov <kernel-6AxghH7DbtA@public.gmane.org> wrote:

> Thanks for the patch I will likely have time to test this sometime next week.
> But just to be sure - the expected behavior would be that processes
> writing to dm-based devices would experience the fair-shair
> scheduling of CFQ (provided that the physical devices that back those
> DM devices use CFQ), correct?

Yes, that is the goal.