[Devel] Re: [PATCH] IO Controller: Add per-device weight and ioprio_class handling

[Gui Jianfeng]

Vivek Goyal wrote:
> On Wed, May 13, 2009 at 10:00:21AM +0800, Gui Jianfeng wrote:
>> Hi Vivek,
>>
>> This patch enables per-cgroup per-device weight and ioprio_class handling.
>> A new cgroup interface "policy" is introduced. You can make use of this 
>> file to configure weight and ioprio_class for each device in a given cgroup.
>> The original "weight" and "ioprio_class" files are still available. If you
>> don't do special configuration for a particular device, "weight" and 
>> "ioprio_class" are used as default values in this device.
>>
>> You can use the following format to play with the new interface.
>> #echo DEV:weight:ioprio_class > /patch/to/cgroup/policy
>> weight=0 means removing the policy for DEV.
>>
> 
> Thanks for the patch Gui. I will test it out and let you know how does
> it go.

  Hi Vivek,

  I forgot to mention that this patch isn't tested through, just for showing
  the design. I'd like to test it soon.
  

> 
> Thanks
> Vivek
> 

-- 
Regards
Gui Jianfeng

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