linux-kernel - Re: [PATCH] add b+tree library

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Message-ID: <20090111083034.GB30090@logfs.org>
Date:	Sun, 11 Jan 2009 09:30:34 +0100
From:	Jörn Engel <joern@...fs.org>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Theodore Tso <tytso@....edu>, Andi Kleen <andi@...stfloor.org>,
	Johannes Berg <johannes@...solutions.net>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] add b+tree library

On Sun, 11 January 2009 00:57:20 +0100, Peter Zijlstra wrote:
> 
> B-tree's however have one thing over RB-trees, B-trees can be made
> RCU-safe whereas RB-trees cannot be -- the only problem is that Joern's
> doesn't do that.

And yours doesn't support multiple key sizes afaics.  I don't mind
using your version as a basis, so long as my^Wboth requirements get
fulfilled. ;)

Do you see a problem combining rcu with keys being an array of unsigned
long?

Jörn

-- 
Schrödinger's cat is <BLINK>not</BLINK> dead.
-- Illiad
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