[PATCH 0/2 v8] XFS TESTS: ENOSPC Punch Hole Test
Allison Henderson
achender at linux.vnet.ibm.com
Mon Jul 18 19:09:52 CDT 2011
On 07/18/2011 03:09 PM, Alex Elder wrote:
> On Sun, 2011-07-17 at 16:52 -0700, Allison Henderson wrote:
>> 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 blocks
>> to further fragment the file.
>>
>> Because punching a hole does not always require extra blocks, there needs to
>> be several iterations of punching holes, and then filling the file system to 100%
>> 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 have reviewed both of your updated patches. They
> both look good to me. I'll give it another day or
> two for others to comment if they like, but unless
> someone suggests changes I'll commit this for you.
>
> Reviewed-by: Alex Elder<aelder at sgi.com>
>
Alrighty then, sounds good to me. Thanks Alex!
Allison Henderson
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