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

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Date:	Sun, 29 Jul 2007 11:30:36 -0600
From:	Andreas Dilger <adilger@...sterfs.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Jeff Garzik <jeff@...zik.org>, Alex Tomas <alex@...sterfs.com>,
	ext4 development <linux-ext4@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org
Subject: Re: [RFC] basic delayed allocation in VFS

On Jul 28, 2007  20:51 +0100, Christoph Hellwig wrote:
> That doesn't mean I want to arge against Alex's code although I'd of
> course be more happy if we could actually shared code between multiple
> filesystems.
> 
> Of ourse the code in it's current form should not go into mpage.c but
> rather into ext4 so that it doesn't bloat the kernel for everyone.

Sigh, we HAVE a patch that was only adding delalloc to ext4, but it
was rejected because "that functionality should go into the VFS".
Since the performance improvement of delalloc is quite large, we'd
like to get this into the kernel one way or another.  Can we make a
decision if the ext4-specific delalloc is acceptable?

Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.

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