[Devel] Re: [PATCH 3/9] bio-cgroup controller

[Ryo Tsuruta]

Hi, 

From: Takuya Yoshikawa <yoshikawa.takuya at oss.ntt.co.jp>
Subject: Re: [PATCH 3/9] bio-cgroup controller
Date: Fri, 17 Apr 2009 10:49:43 +0900

> > +config CGROUP_BIO
> > +	bool "Block I/O cgroup subsystem"
> > +	depends on CGROUPS && BLOCK
> > +	select MM_OWNER
> > +	help
> > +	  Provides a Resource Controller which enables to track the onwner
> > +	  of every Block I/O requests.
> > +	  The information this subsystem provides can be used from any
> > +	  kind of module such as dm-ioband device mapper modules or
> > +	  the cfq-scheduler.
>
>o I can understand this kind of information will be effective for io
>   controllers but how about cfq-scheduler? Don't we need some changes to
>   make cfq use this kind of information?

You need to modify cfq-scheduler to use bio-cgruop.

Thanks,
Ryo Tsuruta
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