linux-ext4 - Re: 3.8.0-rc1: WARNING: at fs/ext4/page-io.c:232

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Message-ID: <20121227103342.GA4158@gmail.com>
Date:	Thu, 27 Dec 2012 18:33:42 +0800
From:	Zheng Liu <gnehzuil.liu@...il.com>
To:	Dmitry Monakhov <dmonakhov@...nvz.org>
Cc:	Alexander Beregalov <a.beregalov@...il.com>,
	"Theodore Ts'o\"" <tytso@....edu>, linux-ext4@...r.kernel.org
Subject: Re: 3.8.0-rc1: WARNING: at fs/ext4/page-io.c:232

On Thu, Dec 27, 2012 at 12:04:36PM +0400, Dmitry Monakhov wrote:
> On Thu, 27 Dec 2012 14:29:07 +0800, Zheng Liu <gnehzuil.liu@...il.com> wrote:
> > On Thu, Dec 27, 2012 at 03:27:04AM +0300, Alexander Beregalov wrote:
[cut...]
> > Now we try to take i_mutex lock before orphan list cleanup, although we don't
> > need to take it in ext4_orphan_cleanup() because no one write this inode.
> > WARN_ON_ONCE doesn't be removed because this warning could help us to avoid some
> > ciritcal errors.
> You can add  Ack-by: Dmitry Monakhov <dmonakhov@...nvz.org>
> 
> In fact this is my fault that we still not have autotest for that.
> I'm think of add crash-test to xfstests which should trigger journal abort and forced
> umount. Later test should mount FS which trigger journal_replay and orphan_cleanup.

Cool!  That would be great if this test case can be added in xfstests.
:-)

Regards,
                                                - Zheng
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