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Date: Thu, 28 Nov 2013 19:38:15 +0100
From: David Sterba <dsterba@suse.cz>
To: Emil Karlson <jekarlson@gmail.com>
Cc: Pedro Fonseca <pfonseca@mpi-sws.org>,
        Linux Btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: Warning in record_one_backref()
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On Tue, Nov 19, 2013 at 01:36:43PM +0200, Emil Karlson wrote:
> On Tue, Nov 19, 2013 at 1:00 PM, Pedro Fonseca <pfonseca@mpi-sws.org> wrote:
> > Hi,
> >
> > In another test, I've encountered a few situations that triggered a warning
> > message in "record_one_backref()". I'm not sure if it's serious but it is
> > probably related to the concurrent defragment operations executed during the
> > test.
> >
> I think You'll need this patch or later linux-3.11 or linux-3.12
> 
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=50f1319cb5f7690e4d9de18d1a75ea89296d0e53

The patch has been added to stable kernel 3.11.6.