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SubjectRe: [PATCH RFC - TAKE TWO - 02/12] block, bfq: add full hierarchical scheduling and cgroups support
On Fri, May 30, 2014 at 11:37:18AM -0400, Tejun Heo wrote:
> On Thu, May 29, 2014 at 11:05:33AM +0200, Paolo Valente wrote:
> > diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h
> > index 768fe44..cdd2528 100644
> > --- a/include/linux/cgroup_subsys.h
> > +++ b/include/linux/cgroup_subsys.h
> > @@ -39,6 +39,10 @@ SUBSYS(net_cls)
> > SUBSYS(blkio)
> > #endif
> >
> > +#if IS_ENABLED(CONFIG_CGROUP_BFQIO)
> > +SUBSYS(bfqio)
> > +#endif
>
> So, ummm, I don't think this is a good idea. Why aren't you plugging
> into the blkcg infrastructure as cfq does? Why does it need to be a
> separate controller?

If there's something which doesn't work for bfq in blkcg, please let
me know. I'd be happy to make it work.

Thanks.

--
tejun


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