linux-kernel - Re: [LOCKING] 2.6.33-rc8 btrfs vs java

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Message-ID: <20100215155653.GC11057@think>
Date:	Mon, 15 Feb 2010 10:56:53 -0500
From:	Chris Mason <chris.mason@...cle.com>
To:	Ed Tomlinson <edt@....ca>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-btrfs@...r.kernel.org
Subject: Re: [LOCKING] 2.6.33-rc8 btrfs vs java

On Sun, Feb 14, 2010 at 07:14:50PM -0500, Ed Tomlinson wrote:
> Hi,
> 
> Found this in my log for 2.6.33-rc8.  Figgured it might be interesting since .33 is close.

The btrfs tree locking is very tricky for lockdep.  I don't quite see
how you could hit this one without also deadlocking the machine, unless
it is a false positive.

So, did you deadlock the machine? ;)

-chris
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