linux-ext4 - Re: Htree?

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Message-ID: <4FF1CE25.7020202@redhat.com>
Date:	Mon, 02 Jul 2012 11:36:53 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	"Nelson, John R" <John_Nelson@...dent.uml.edu>
CC:	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
Subject: Re: Htree?

On 07/01/2012 04:18 PM, Nelson, John R wrote:
> hello, 
> 
>  exactly what is an Htree? I noticed EXT3/4 uses those, for directorys and extents (ext4). Are they some sort of B+tree?

See http://en.wikipedia.org/wiki/Htree and references therein, in
particular:

http://www.linuxshowcase.org/2001/full_papers/phillips/phillips_html/index.html

-Eric
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