From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCH 2/2] ext4: implement cgroup writeback support
Date: Wed, 23 Sep 2015 15:03:15 -0400
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To: Artem Bityutskiy <dedekind1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org, axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org, Theodore Ts'o <tytso-3s7WtUTddSA@public.gmane.org>, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, adilger.kernel-m1MBpc4rdrD3fQ9qLvQP4Q@public.gmane.org, Chris Mason <clm-b10kYP2dOMg@public.gmane.org>, kernel-team-b10kYP2dOMg@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org

Hello, Artem.

On Wed, Sep 23, 2015 at 08:41:25PM +0300, Artem Bityutskiy wrote:
> $ sync
> $ reboot
> 
> is exactly the sequence.

Can you please test with 4.3-rc2 and see whether the issue is
reproducible?  The multi-wb wait logic rewrite was merged during rc1
and I'm wondering whether this is a bug in the old implementation.

Thanks.

-- 
tejun