lkml.org 
[lkml]   [2007]   [Jan]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 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 Mon, 08 Jan 2007 21:12:40 -0600
Eric Sandeen <sandeen@sandeen.net> wrote:

> Andrew Morton wrote:
> > On Tue, 9 Jan 2007 10:47:28 +1100
> > David Chinner <dgc@sgi.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??
>
> Is a semaphore any worse than the current mutex in this respect? At
> least unlocking from another thread doesn't violate semaphore rules. :)

I assume that if we weren't returning to userspace with a lock held, this
mutex problem would simply go away.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-01-09 04:55    [W:0.060 / U:0.284 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site