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

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Message-ID: <20150923185137.GJ26647@mtj.duckdns.org>
Date:	Wed, 23 Sep 2015 14:51:37 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Artem Bityutskiy <dedekind1@...il.com>
Cc:	Theodore Ts'o <tytso@....edu>, axboe@...nel.dk,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	lizefan@...wei.com, cgroups@...r.kernel.org, hannes@...xchg.org,
	kernel-team@...com, adilger.kernel@...ger.ca,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 2/2] ext4: implement cgroup writeback support

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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