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Bug#685726: linux-image-3.2.0-3-amd64: return error when trying to format image file (mkfs -t ext4 file.img)

On Wed, 2012-08-29 at 14:11 -0400, Theodore Ts'o wrote:
> On Tue, Aug 28, 2012 at 04:09:05PM -0700, Ben Hutchings wrote:
> > As discussed, Linux 3.2.y needs a backport of the fixes for this, which
> > I think are:
> > 
> > 968dee7 ext4: fix hole punch failure when depth is greater than 0
> > 89a4e48 ext4: fix kernel BUG on large-scale rm -rf commands
> I have a backport of these patches rebased onto 3.2.28.  They pass the
> full set of ext4 regression tests.  However, for some reason I wasn't
> able to reproduce the problem on 3.2.28, even though I thought:
>      mke2fs -t ext4 /dev/vdd
>      mount -t ext4 /dev/vdd /vdd
>      dd if=/dev/zero of=/vdd/test.img bs=1M count=200
>      mke2fs -t ext4 -F /vdd/test.img
> should have been a reliable reproduction with the problem.  I'm pretty
> sure it worked to trigger the problem before, but for some reason it's
> not working for me.
> Anyway, here are the patches.  If someone could confirm wheterh this
> resolve your problem, I would really appreciate it.  Thanks!!

Please can you test the patches from the previous email?  There are
instructions for building a patched kernel package at


Ben Hutchings
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