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())

From: Andrew Morton
Date: Mon Jan 08 2007 - 19:19:42 EST


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