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Date:	Thu, 24 Sep 2015 11:09:46 +0300
From:	Artem Bityutskiy <>
To:	Tejun Heo <>
Cc:	Theodore Ts'o <>,,,,,,,,,, Dexuan Cui <>
Subject: Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable
 cgroup writeback on traditional hierarchies

On Wed, 2015-09-23 at 17:07 -0400, Tejun Heo wrote:
> Hello,
> So, this should make the regression go away.  It doesn't fix the
> underlying bugs but they shouldn't get triggered by people not
> experimenting with cgroup.


this hits the nail on the head and makes the problem go away.

I've tested the tip of Linuses tree (v4.3-rc2+) plus this patch - no
data corruption after reboots.

I've tested just the tip of Linuses tree (v4.3-rc2+) without this
patch, and I do see the data corruption after reboots.

Tested-by: Artem Bityutskiy <>

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