Re: +cgroups-forbid-noprefix-if-mounting-more-than-just-cpuset-subsystem.patch added to -mm tree

[Dhaval Giani]

On Tue, Jun 02, 2009 at 01:35:34PM -0700, Andrew Morton wrote:
> On Tue, 2 Jun 2009 23:10:42 +0530
> Dhaval Giani <dhaval@xxxxxxxxxxxxxxxxxx> wrote:
> 
> > On Tue, Jun 02, 2009 at 09:08:04AM -0700, Paul Menage wrote:
> > > On Tue, Jun 2, 2009 at 2:09 AM, Dhaval Giani <dhaval@xxxxxxxxxxxxxxxxxx> wrote:
> > > >
> > > > I am not sure if this is a good idea. For libcgroup, we would then be
> > > > adding a special case for just cpuset. I would rather that we allow it
> > > > either for all the subsystems or none of them.
> > > >
> > > 
> > > libcgroup shouldn't be using the noprefix option. Its only intentded
> > > use is to allow the legacy "cpuset" filesystem type to be mounted and
> > > to see the same fileset as it had before the cgroups transition.
> > > 
> > 
> > It does not. But if some user is using that option, we need to be in a
> > position to handle it.
> > 
> > I am quite happy not supporting the noprefix option in the library if it
> > is fine.
> > 
> 
> fyi, the above discussion transitions akpm into the "confused" state. 
> I'll keep the patch on hold until akpm transitions back out of that
> state.

I can help with that :).

We will not support noprefix in libcgroup and this patch should go in
because it fixes an obvious bug.

Thanks,
-- 
regards,
Dhaval
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