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Date:	Wed, 23 Sep 2015 13:57:23 -0400
From:	Tejun Heo <>
To:	Theodore Ts'o <>
Cc:	Artem Bityutskiy <>,,,,,,,,,
Subject: Re: [PATCH 2/2] ext4: implement cgroup writeback support

Hello, Ted.

On Wed, Sep 23, 2015 at 01:02:38PM -0400, Theodore Ts'o wrote:
> Also note this performance regression reported by Dexuan Cui
> I didn't notice these problems since I my userspace doesn't enable the
> writeback cgroup.  (In fact I don't know how to do it using Debian
> Jessie.)

The thing is I don't think they're either.

> Tejun, can you please take a look at this and give me a
> recommendation?  I'm willing to wait a day or two while we try to fix
> the problem, but past that point I'd like to have a fix or revert this
> commit before Linus releases the next -rc release.

Yeap, looking at them both.  Will update as soon as I know more.


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