linux-kernel - Re: [RFC] B+Tree library V2

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Message-Id: <1225915954.3619.166.camel@johannes.berg>
Date:	Wed, 05 Nov 2008 21:12:34 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Jörn Engel <joern@...fs.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [RFC] B+Tree library V2

On Wed, 2008-11-05 at 21:06 +0100, Jörn Engel wrote:
> On Wed, 5 November 2008 20:57:20 +0100, Johannes Berg wrote:
> > 
> > That sounds fair, after all at least it limits the tree size, but I'm
> > too lazy to calculate the worst case right now.
> 
> Worst case you have a single entry next to a full node, then split the
> full node, etc.  So slightly more than 1/4 populated.

That would be roughly 1/3, no? But it doesn't really matter much.

> > I'd use this as-is for the WIP cfg80211 code that keeps track of BSSes,
> > as a hash-table/list on steroids.
> 
> Excellent.  With this trojan horse in place I don't have to worry much
> about a competing library with a different interface.  Famous last
> words. :)

:)
How we going to synchronise this? I'm not in a hurry with this scanning
code and I need to work on it still anyway.

johannes

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