linux-kernel - Re: Generic B-tree implementation

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Message-Id: <1153294394.13071.3.camel@imp.csi.cam.ac.uk>
Date:	Wed, 19 Jul 2006 08:33:14 +0100
From:	Anton Altaparmakov <aia21@....ac.uk>
To:	Vishal Patil <vishpat@...il.com>
Cc:	Gary Funck <gary@...repid.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Generic B-tree implementation

On Tue, 2006-07-18 at 11:22 -0400, Vishal Patil wrote:
> B-trees are good for parellel updates as well. Anyway it would be
> great to have inputs from other folks about how B-trees could help
> inside the kernel (if at all)

B-trees are mostly used in file systems in the kernel.  For example NTFS
and HFS (and I think HPFS) use B-trees for various metadata like
directory indexes for example.

But of course your implementation is purely userspace and cannot be used
in the kernel (you use recursion for example...) so I am not sure how
you envisage to help the kernel with your code...

Best regards,

        Anton
-- 
Anton Altaparmakov <aia21 at cam.ac.uk> (replace at with @)
Unix Support, Computing Service, University of Cambridge, CB2 3QH, UK
Linux NTFS maintainer / IRC: #ntfs on irc.freenode.net
WWW: http://linux-ntfs.sf.net/ & http://www-stu.christs.cam.ac.uk/~aia21/

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