Re: [PATCH 18/21] blkcg: move blkio_group_conf->weight to cfq

[Vivek Goyal]

On Tue, Apr 03, 2012 at 06:20:10AM +0800, Tao Ma wrote:

[..]
> > Yeah, just add config and stat files prefixed with the name of the new
> > blkcg policy.
> OK, I will add a new config file for it.

Only if CFQ could be modified to add one iops mode, flippable through a
sysfs tunable, things will be much simpler. You will not have to add a
new IO scheduler, no new configuration/stat files in blkcg (which is
already crowded now).

I don't think anybody has shown the code that why CFQ can't be modified
to support iops mode.

Thanks
Vivek
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