linux-kernel - Re: [PATCH] LogFS take three

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Message-Id: <D458F595-921F-4FC0-88FC-38EEF1DCC920@mac.com>
Date:	Thu, 17 May 2007 21:00:44 -0400
From:	Kyle Moffett <mrmacman_g4@....com>
To:	Jörn Engel <joern@...ybastard.org>
Cc:	Evgeniy Polyakov <johnpol@....mipt.ru>,
	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org,
	LKML Kernel <linux-kernel@...r.kernel.org>,
	linux-mtd@...ts.infradead.org, Albert Cahalan <acahalan@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Greg KH <greg@...ah.com>, Ingo Oeser <ioe-lkml@...eria.de>
Subject: Re: [PATCH] LogFS take three

On May 17, 2007, at 13:45:33, Evgeniy Polyakov wrote:
> On Thu, May 17, 2007 at 07:26:07PM +0200, Jan Engelhardt  
> (jengelh@...ux01.gwdg.de) wrote:
>>> My plan was to move this code to lib/ sooner or later.  If you  
>>> consider it useful in its current state, I can do it immediatly.   
>>> And if someone else merged a superior btree library I'd happily  
>>> remove mine and use the new one instead.
>>>
>>> Opinions?
>>
>> Why would we need another btree, when there is lib/rbtree.c?  Or  
>> does yours do something fundamentally different?
>
> It is not red-black tree, it is b+ tree.

It might be better to use the prefix "bptree" to help prevent  
confusion.  A quick google search on "bp-tree" reveals only the perl B 
+-tree module "Tree::BPTree", a U-Maryland Java CS project on B+- 
trees, and a news article about a "BP tree-top protest".

Cheers,
Kyle Moffett

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