Re: [PATCH 2/1] io-controller: Add a new interface "policy" for IOController

From: Jens Axboe
Date: Wed Mar 03 2010 - 04:01:15 EST

On Wed, Mar 03 2010, Gui Jianfeng wrote:
> Currently, IO Controller makes use of blkio.weight to assign weight for
> all devices. Here a new user interface "blkio.policy" is introduced to
> assign different weights for different devices. blkio.weight becomes the
> default value for devices which are not configured by blkio.policy.
> You can use the following format to assigned specific weight for a given
> device:
> #echo "major:minor weight" > blkio.policy
> major:minor represents device number.
> And you can remove a policy as following:
> #echo "major:minor 0" > blkio.policy

Looks good to me. Vivek, any objections?

Jens Axboe

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