linux-kernel - Re: linux-next: OOPS at boot time

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Message-Id: <20100721174809.4781c244.sfr@canb.auug.org.au>
Date:	Wed, 21 Jul 2010 17:48:09 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Dave Chinner <david@...morbit.com>,
	Al Viro <viro@...iv.linux.org.uk>, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>,
	Jan Kara <jack@...e.cz>
Subject: Re: linux-next: OOPS at boot time

On Wed, 21 Jul 2010 00:29:07 -0700 Andrew Morton <akpm@...ux-foundation.org> wrote:
>
> On Wed, 21 Jul 2010 15:20:07 +1000 Dave Chinner <david@...morbit.com> wrote:
> 
> > > and they were dirtied within dquot_free_space().
> > 
> > AFAICT dquot_free_space() is called deep in the guts of
> > ext3_truncate() via dquot_free_block(), which is called directly
> > before end_writeback(). That should overwrite any state changes made
> > inside ext3_truncate. I wonder if iput_final() is racing with
> > something else here?
> > 
> 
> This isn't a race.  I type `make' and the warnings spew out at hundreds
> per second - every unlink, I'd say.

Bisected to:

commit 8bfe4a06746e5f03c02afe3ceb97b5364c099f63
Author: Al Viro <viro@...iv.linux.org.uk>
Date:   Sun Jun 6 07:08:19 2010 -0400

    convert ext3 to ->evict_inode()
    
    Signed-off-by: Al Viro <viro@...iv.linux.org.uk>

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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