Messages in this thread | | | Date | Wed, 23 Sep 2015 13:25:35 -0400 | From | Chris Mason <> | Subject | Re: [PATCH 2/2] ext4: implement cgroup writeback support |
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On Wed, Sep 23, 2015 at 03:49:12PM +0300, Artem Bityutskiy wrote: > On Tue, 2015-07-21 at 23:56 -0400, Theodore Ts'o wrote: > > > v2: Updated for MS_CGROUPWB -> SB_I_CGROUPWB. > > > > > > Signed-off-by: Tejun Heo <tj@kernel.org> > > > Cc: "Theodore Ts'o" <tytso@mit.edu> > > > Cc: Andreas Dilger <adilger.kernel@dilger.ca> > > > Cc: linux-ext4@vger.kernel.org > > > > Thanks, applied. > > Hi, this patch introduces a regression - a major one, I'd say. > > Symptoms: copy a bunch of file, run sync, then run 'reboot', and after > you boot up the copied files are corrupted. So basically the user > -visible symptom is that 'sync' does not work.
Hi Artem,
Are you doing a hard shutdown (reboot -nf)? If you're doing a friendly shutdown, is the FS unmounting cleanly?
> > I quite an effort to bisect it, but it led me to this patch.
I bet it was a long bisect. Trying to see if the same patch to btrfs has similar impacts.
-chris
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