From: Kazuya Mio <k-mio@sx.jp.nec.com>
Subject: Re: [PATCH 01/11 RESEND] libe2p: Add new function get_fragment_score()
Date: Tue, 28 Jun 2011 19:21:30 +0900
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Cc: Andreas Dilger <aedilger@gmail.com>,
	Eric Sandeen <sandeen@redhat.com>, "Ted Ts'o" <tytso@mit.edu>,
	ext4 <linux-ext4@vger.kernel.org>
To: Greg Freemyer <greg.freemyer@gmail.com>
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2011/06/26 11:16, Greg Freemyer wrote:
> I'm talking about sparse files.
>
> Where you might have:
>
> block_group1 - hole - block_group2 - hole - block_group3.
>
> Block_group2 has a head and a tail extent.  In my mind, from a
> performance perspective, they are symmetric.  Meaning that having a
> small extent at the beginning is no better and no worse than having a
> small extent at the end.

Thanks for your kind description. Your point is right. I'll think a little more
about the fragmentation score.

Regards,
Kazuya Mio