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SubjectRe: [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
>
> https://lkml.org/lkml/2015/9/23/333
>
> 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.

Thanks.

--
tejun


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