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Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable cgroup writeback on traditional hierarchies

From Artem Bityutskiy <dedekind1@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable cgroup writeback on traditional hierarchies
Date 2015-09-24 10:20 +0200
Message-ID <qc9V0-5OU-1@gated-at.bofh.it> (permalink)
References (2 earlier) <pOTmj-3E3-13@gated-at.bofh.it> <qbREK-4pV-13@gated-at.bofh.it> <qbWEq-3q5-39@gated-at.bofh.it> <qbXqO-4lb-5@gated-at.bofh.it> <qbZsD-7t4-23@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, 2015-09-23 at 17:07 -0400, Tejun Heo wrote:
> Hello,
> 
> So, this should make the regression go away.  It doesn't fix the
> underlying bugs but they shouldn't get triggered by people not
> experimenting with cgroup.

Tejun,

this hits the nail on the head and makes the problem go away.

I've tested the tip of Linuses tree (v4.3-rc2+) plus this patch - no
data corruption after reboots.

I've tested just the tip of Linuses tree (v4.3-rc2+) without this
patch, and I do see the data corruption after reboots.

Tested-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

Artem.
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Re: [PATCH 2/2] ext4: implement cgroup writeback support Artem Bityutskiy <dedekind1@gmail.com> - 2015-09-23 14:50 +0200
  Re: [PATCH 2/2] ext4: implement cgroup writeback support Artem Bityutskiy <dedekind1@gmail.com> - 2015-09-23 16:00 +0200
    Re: [PATCH 2/2] ext4: implement cgroup writeback support Theodore Ts'o <tytso@mit.edu> - 2015-09-23 19:10 +0200
      Re: [PATCH 2/2] ext4: implement cgroup writeback support Tejun Heo <tj@kernel.org> - 2015-09-23 20:00 +0200
  Re: [PATCH 2/2] ext4: implement cgroup writeback support Chris Mason <clm@fb.com> - 2015-09-23 19:30 +0200
    Re: [PATCH 2/2] ext4: implement cgroup writeback support Chris Mason <clm@fb.com> - 2015-09-23 20:00 +0200
      Re: [PATCH 2/2] ext4: implement cgroup writeback support Theodore Ts'o <tytso@mit.edu> - 2015-09-23 20:30 +0200
        Re: [PATCH 2/2] ext4: implement cgroup writeback support Artem Bityutskiy <dedekind1@gmail.com> - 2015-09-23 21:50 +0200
          Re: [PATCH 2/2] ext4: implement cgroup writeback support Theodore Ts'o <tytso@mit.edu> - 2015-09-23 22:50 +0200
            Re: [PATCH 2/2] ext4: implement cgroup writeback support Artem Bityutskiy <dedekind1@gmail.com> - 2015-09-24 10:20 +0200
    Re: [PATCH 2/2] ext4: implement cgroup writeback support Tejun Heo <tj@kernel.org> - 2015-09-23 21:10 +0200
  Re: [PATCH 2/2] ext4: implement cgroup writeback support Tejun Heo <tj@kernel.org> - 2015-09-23 20:10 +0200
    Re: [PATCH 2/2] ext4: implement cgroup writeback support Tejun Heo <tj@kernel.org> - 2015-09-23 21:00 +0200
      [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable cgroup  writeback on traditional hierarchies Tejun Heo <tj@kernel.org> - 2015-09-23 23:10 +0200
        Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable  cgroup writeback on traditional hierarchies Artem Bityutskiy <dedekind1@gmail.com> - 2015-09-24 10:20 +0200
          Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable  cgroup writeback on traditional hierarchies Tejun Heo <tj@kernel.org> - 2015-09-24 22:50 +0200
            Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable  cgroup writeback on traditional hierarchies Tejun Heo <tj@kernel.org> - 2015-09-28 23:40 +0200
          Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable  cgroup writeback on traditional hierarchies Tejun Heo <tj@kernel.org> - 2015-09-24 22:50 +0200
            Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable  cgroup writeback on traditional hierarchies Artem Bityutskiy <dedekind1@gmail.com> - 2015-09-25 08:50 +0200
              Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable  cgroup writeback on traditional hierarchies Artem Bityutskiy <dedekind1@gmail.com> - 2015-09-25 13:00 +0200
                Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable  cgroup writeback on traditional hierarchies Tejun Heo <tj@kernel.org> - 2015-09-25 17:50 +0200
                Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable  cgroup writeback on traditional hierarchies Tejun Heo <tj@kernel.org> - 2015-09-27 00:20 +0200
                Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable  cgroup writeback on traditional hierarchies Artem Bityutskiy <dedekind1@gmail.com> - 2015-09-29 13:40 +0200
                Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable  cgroup writeback on traditional hierarchies Tejun Heo <tj@kernel.org> - 2015-09-29 16:30 +0200
        Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable  cgroup writeback on traditional hierarchies Jens Axboe <axboe@fb.com> - 2015-09-24 18:20 +0200
        Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable  cgroup writeback on traditional hierarchies Tejun Heo <tj@kernel.org> - 2015-09-24 22:50 +0200

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