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Date:	Fri, 28 Sep 2012 22:25:59 +0800
From:	Zheng Liu <>
To:	Theodore Ts'o <>
	Dave Chinner <>,
	Lukas Czerner <>,
	Zheng Liu <>
Subject: Re: [PATCH 1/3] ext4: add block-based file punching hole support

On Fri, Sep 28, 2012 at 09:12:15AM -0400, Theodore Ts'o wrote:
> On Thu, Aug 23, 2012 at 12:25:39PM +0800, Zheng Liu wrote:
> > I run xfstests to do some tests, and I got an error from xfstests #
> > 255.  The failure reason is that block-based file in ext4 cannot
> > support fallocate(2) to allocate an unwritten blocks.  I am not sure
> > whether we should change # 255 in xfstests or not.  So Cc' to Dave
> > Chinner to get some feedbacks.
> Zheng,
> I gave these patches a quick try and I'm seeing many more failures
> than just test #255.  Tests 75, 91, 112, 215, and 263 are also
> failing, and I don't think it's all due to punch being supported w/o
> fallocate support.

Hi Ted,

Thanks for sharing this information with me.  I will look at these
patches after patch series of extent status tree gets stable and submit
to the mailing list.

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