linux-ext4 - Re: [XFS Punch Hole 1/1] XFS Add Punch Hole Testing to FSX

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Date:	Tue, 03 May 2011 08:36:34 -0700
From:	Allison Henderson <achender@...ux.vnet.ibm.com>
To:	Josef Bacik <josef@...hat.com>
CC:	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Re: [XFS Punch Hole 1/1] XFS Add Punch Hole Testing to FSX

On 5/3/2011 6:18 AM, Josef Bacik wrote:
> On 05/02/2011 03:16 PM, Allison Henderson wrote:
>> This patch adds punch hole tests to the fsx
>> stress test. The test is performed through
>> the fallocate call by randomly choosing to
>> use the punch hole flag when running the
>> fallocate test. Regions that have
>> been punched out should contain zeros, so
>> the expected file contents buffer is updated
>> to contain zeros when a hole is punched out.
>>
>
> It doesn't look like you have anything to detect if the hole punching
> failed to disable it, how does this behave on say btrfs where we don't
> do hole punching yet? Thanks,
>
> Josef


Hi there,

Oh it looks like I need to add a check for that.  I was so busy using it 
to test ext4 that I forgot to put that in.  Thx!

Allison Henderson
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