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Re: [PATCH 0/2v v7] XFS TESTS: ENOSPC Punch Hole Test

To: Allison Henderson <achender@xxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCH 0/2v v7] XFS TESTS: ENOSPC Punch Hole Test
From: Allison Henderson <achender@xxxxxxxxxxxxxxxxxx>
Date: Fri, 01 Jul 2011 07:30:19 -0700
Cc: xfs@xxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, Eric Sandeen <sandeen@xxxxxxxxxx>
In-reply-to: <1309272301-5742-1-git-send-email-achender@xxxxxxxxxxxxxxxxxx>
References: <1309272301-5742-1-git-send-email-achender@xxxxxxxxxxxxxxxxxx>
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/20110414 Thunderbird/3.1.10
On 06/28/2011 07:44 AM, Allison Henderson wrote:
Hi All,

This is another set I sent out a while ago, but I didnt see it show up on the 
so I am resending this one too. The work in this patch is a continuation from a
previous patch set that has been partially accepted, so I thought I
should retain the v6.

This patch set adds the ENOSPC test that was used for ext4 punch hole testing.
This test will verify that a hole can be punched even when the disk is full.
Reserved blocks should be used to complete the operation when there is not 
to further fragment the file.

Because punching a hole does not always require extra blocks, there needs to
be serveal iterations of punching holes, and then filling the file system to 
usage before it is forced to grow the tree in order to handle the fragmentation.
The growing of the tree is what would cause ENOSPC if not for the use of 
reserved blocks.

I could use some opinions on this patch set becuase I am not sure if other 
handle their punch holes in the same way.  Although xfs appears to pass the 
should this test be an ext4 only test? Thx!

Hi All,

I just wanted to poke this thread before too much time goes by. This patch was initially part of an earlier set that's already been picked up, and it seemed like people were generally interested in it, so I resubmitted it as it's own patch. Is there still an interest in this patch set?

I have another set that now also needs to add a new test 255 (the fix 252 failure patch set). I am thinking that if people still want this test, I could put this patch in with the other set so that they stack properly. Thx!

Allison Henderson

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