[PATCH RFC - TAKE TWO - 02/12] block, bfq: add full hierarchical scheduling and cgroups support

[Paolo Valente]

Il giorno 30/mag/2014, alle ore 17:39, Tejun Heo <tj at kernel.org> ha scritto:

> 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.
> 

This will probably be very useful for us.

Thanks a lot,
Paolo

> Thanks.
> 
> -- 
> tejun


--
Paolo Valente                                                 
Algogroup
Dipartimento di Fisica, Informatica e Matematica		
Via Campi, 213/B
41125 Modena - Italy        				  
homepage:  http://algogroup.unimore.it/people/paolo/