linux-kernel - Re: [patch 11/33] fs: dcache scale subdirs

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Message-ID: <1277132103.1875.519.camel@laptop>
Date:	Mon, 21 Jun 2010 16:55:03 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Nick Piggin <npiggin@...e.de>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	john stultz <johnstul@...ibm.com>,
	John Kacur <jkacur@...il.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [patch 11/33] fs: dcache scale subdirs

On Tue, 2010-06-22 at 00:48 +1000, Nick Piggin wrote:
> > Right, so I was staring at the -rt splat, so its John who created that
> > wreckage?
> 
> It was, but apparently they saw an RCU bug there somewhere and hit it
> with the big hammer. I haven't been able to reproduce it on a non-rt
> kernel yet, and I see yet why RCU is not good enough here.

John, could you describe the failure you spotted?
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