Re: [PATCH 2/2] ext4: implement cgroup writeback support

From: Tejun Heo
Date: Wed Sep 23 2015 - 14:51:48 EST


On Wed, Sep 23, 2015 at 02:09:34PM -0400, Tejun Heo wrote:
> Hello, Artem.
>
> On Wed, Sep 23, 2015 at 03:49:12PM +0300, Artem Bityutskiy wrote:
> > I use Fedora 22 with all the latest package updates, and I only change
> > the kernel there.
>
> What's your cgroup setup like? Are you trying out the unified
> hierarchy? Given that you didn't mention that, I'm guessing you
> aren't which makes me pretty head-scratchy because I don't see how the
> actual behavior would change depending on that flag. I'll dig more.

Ugh... never mind. I spotted what I did wrong. The sync thing still
needs figuring out (it still should have worked) but fixing the
regression should be easy. Will update soon.

Thanks.

--
tejun
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