linux-kernel - Re: bd_mount_mutex -> bd_mount_sem (was Re: xfs_file_ioctl / xfs_freeze: BUG: warning at kernel/mutex-debug.c:80/debug_mutex

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Message-Id: <20070108161917.73a4c2c6.akpm@osdl.org>
Date:	Mon, 8 Jan 2007 16:19:17 -0800
From:	Andrew Morton <akpm@...l.org>
To:	David Chinner <dgc@....com>
Cc:	Eric Sandeen <sandeen@...deen.net>,
	linux-kernel Mailing List <linux-kernel@...r.kernel.org>,
	xfs@....sgi.com
Subject: Re: bd_mount_mutex -> bd_mount_sem (was Re: xfs_file_ioctl /
 xfs_freeze: BUG: warning at kernel/mutex-debug.c:80/debug_mutex_unlock())

On Tue, 9 Jan 2007 10:47:28 +1100
David Chinner <dgc@....com> wrote:

> On Mon, Jan 08, 2007 at 10:40:54AM -0600, Eric Sandeen wrote:
> > Sami Farin wrote:
> > > On Mon, Jan 08, 2007 at 08:37:34 +1100, David Chinner wrote:
> > > ...
> > >>> fstab was there just fine after -u.
> > >> Oh, that still hasn't been fixed?
> > > 
> > > Looked like it =)
> > 
> > Hm, it was proposed upstream a while ago:
> > 
> > http://lkml.org/lkml/2006/9/27/137
> > 
> > I guess it got lost?
> 
> Seems like it. Andrew, did this ever get queued for merge?

Seems not.  I think people were hoping that various nasties in there
would go away.  We return to userspace with a kernel lock held??
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