linux-ext4 - Re: [RFC] basic delayed allocation in VFS

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Date:	Thu, 26 Jul 2007 08:05:17 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Alex Tomas <alex@...sterfs.com>
CC:	ext4 development <linux-ext4@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org,
	Christoph Hellwig <hch@...radead.org>
Subject: Re: [RFC] basic delayed allocation in VFS

Alex Tomas wrote:
> Jeff Garzik wrote:
>> Is this based on Christoph's work?
>>
>> Christoph, or some other XFS hacker, already did generic delalloc, 
>> modeled on the XFS delalloc code.
> 
> nope, this one is simple (something I'd prefer for ext4).

The XFS one is proven and the work was already completed.

What were the specific technical issues that made it unsuitable for ext4?

I would rather not reinvent the wheel, particularly if the reinvention 
is less capable than the existing work.

	Jeff



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