linux-kernel - Re: Announce: Semaphore-Removal tree

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Message-Id: <1209218674.1956.17.camel@lappy>
Date:	Sat, 26 Apr 2008 16:04:34 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Daniel Walker <dwalker@...sta.com>,
	Matthew Wilcox <matthew@....cx>, linux-kernel@...r.kernel.org,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: Announce: Semaphore-Removal tree

On Sat, 2008-04-26 at 09:44 -0400, Christoph Hellwig wrote:
> On Sat, Apr 26, 2008 at 03:39:13PM +0200, Peter Zijlstra wrote:
> > I'm guessing RCU would be a bit more work?
> 
> Actually the whole XFS inode hash is gone now and replaced by a radix tree.
> As soon as nick and your work on the lockless radix trees goes in I'm
> pretty sure Dave will make use of that.

Nick's RCU radix tree is already merged - its just the speculative page
references and the rest of the lockless page-cache that is still
missing.

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