From: Jens Axboe <jens.axboe@oracle.com>
To: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Cc: Vivek Goyal <vgoyal@redhat.com>,
linux kernel mailing list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/1] io-controller: Add a new interface "policy" for IO Controller
Date: Wed, 3 Mar 2010 10:01:08 +0100 [thread overview]
Message-ID: <20100303090108.GL5768@kernel.dk> (raw)
In-Reply-To: <4B8DFFD7.2000908@cn.fujitsu.com>
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
next prev parent reply other threads:[~2010-03-03 9:01 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-03 6:21 [PATCH 2/1] io-controller: Add a new interface "policy" for IO Controller Gui Jianfeng
2010-03-03 9:01 ` Jens Axboe [this message]
2010-03-03 14:33 ` Vivek Goyal
2010-03-03 15:47 ` Vivek Goyal
[not found] ` <e98e18941003031519v14d4f79cg33da5c3cf1f5ac03@mail.gmail.com>
2010-03-04 2:25 ` Chad Talbott
2010-03-04 3:23 ` Gui Jianfeng
2010-03-04 7:35 ` [PATCH 1/2 V2] io-controller: Add a new interface "weight_device" for IO-Controller Gui Jianfeng
2010-03-04 15:24 ` Vivek Goyal
2010-03-05 0:31 ` Gui Jianfeng
2010-03-05 2:25 ` [PATCH 1/2 V3] " Gui Jianfeng
2010-03-05 14:13 ` Vivek Goyal
2010-03-08 19:39 ` Nauman Rafique
2010-03-08 23:09 ` Vivek Goyal
2010-03-09 1:52 ` Gui Jianfeng
2010-03-09 19:03 ` Vivek Goyal
2010-03-10 0:33 ` Gui Jianfeng
2010-03-10 5:41 ` Chad Talbott
2010-03-10 15:30 ` Vivek Goyal
2010-03-10 17:38 ` Chad Talbott
2010-03-10 18:03 ` Vivek Goyal
2010-03-10 20:31 ` Vivek Goyal
2010-03-11 19:21 ` Manuel Benitez
2010-03-15 13:55 ` Vivek Goyal
2010-03-09 20:16 ` Vivek Goyal
2010-03-09 20:39 ` Nauman Rafique
2010-03-25 6:28 ` Gui Jianfeng
2010-04-07 17:12 ` Chad Talbott
2010-04-07 17:28 ` Vivek Goyal
2010-04-08 0:11 ` Gui Jianfeng
2010-03-05 2:26 ` [PATCH 2/2 V3] io-controller: Document for blkio.weight_device Gui Jianfeng
2010-03-05 2:44 ` Takuya Yoshikawa
2010-03-05 2:42 ` Gui Jianfeng
2010-03-05 14:13 ` Vivek Goyal
2010-03-04 7:35 ` [PATCH 2/2 V2] " Gui Jianfeng
2010-03-04 11:22 ` Takuya Yoshikawa
2010-03-05 0:38 ` Gui Jianfeng
2010-03-04 15:06 ` [PATCH 2/1] io-controller: Add a new interface "policy" for IO Controller Vivek Goyal
2010-03-04 0:27 ` Gui Jianfeng
2010-03-03 15:36 ` Vivek Goyal
2010-03-04 0:29 ` Gui Jianfeng
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