Re: unify the interface of the proportional-share policy in blkio/io

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> Il giorno 09 gen 2018, alle ore 20:53, Jens Axboe <axboe@xxxxxxxxx> ha scritto:
> 
> On 1/9/18 12:52 PM, Tejun Heo wrote:
>> Hello, Paolo.
>> 
>> On Thu, Jan 04, 2018 at 08:00:02PM +0100, Paolo Valente wrote:
>>> The solution for the second type of parameters may prove useful to
>>> unify also the computation of statistics for the throttling policy.
>>> 
>>> Does this proposal sound reasonable?
>> 
>> So, the above should work too but I wonder whether we could do this
>> simpler.  Frankly, I wouldn't mind if cfq and bfq can't be mixed on a
>> system - e.g. they can be built together but you can't enable bfq on
>> some devides and cfq on others.  If we do that, all we need to do is
>> just removing / adding cftypes when either gets activated which cgroup
>> already does.
> 
> Not sure that would fly, since cfq is legacy and bfq is mq. You don't
> always have a free choice of which one to use...
> 

Yep.  So, do you guys think that our proposal may be ok?  We are
waiting just for the green light to start implementing it.

Thanks,
Paolo

> -- 
> Jens Axboe
> 





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