All of lore.kernel.org
 help / color / mirror / Atom feed
From: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
To: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Cc: vgoyal@redhat.com, jens.axboe@oracle.com,
	Chad Talbott <ctalbott@google.com>,
	linux-kernel@vger.kernel.org, Nauman Rafique <nauman@google.com>
Subject: Re: [PATCH 2/2 V2] io-controller: Document for blkio.weight_device
Date: Thu, 04 Mar 2010 20:22:16 +0900	[thread overview]
Message-ID: <4B8F97E8.6020806@oss.ntt.co.jp> (raw)
In-Reply-To: <4B8F62C7.10500@cn.fujitsu.com>

Hi, I found a typo.

Gui Jianfeng wrote:
> +- blkio.weight_device
> +	- One can specify per cgroup per device rules using this interface.
> +	  These rules override the default value of group weight as specified
> +	  by blkio.weight.
> +
> +	  Following is the format.
> +
> +	  #echo dev_maj:dev_minor weight > /patch/to/cgroup/blkio.weight_device

                                   You mean "path to"?

Thanks,
   Takuya

> +
> +	  weight=0 means removing weight on a given device.
> +
> +	  Examples:
> +	  Configure weight=300 on /dev/sdb (8:16) in this cgroup
> +	  # echo 8:16 300 > blkio.weight_device
> +	  # cat blkio.weight_device
> +	  dev     weight
> +	  8:16    300
> +
> +	  Configure weight=500 on /dev/sda (8:0) in this cgroup
> +	  # echo 8:0 500 > blkio.weight_device
> +	  # cat blkio.weight_device
> +	  dev     weight
> +	  8:0     500
> +	  8:16    300
> +
> +	  Remove specific weight for /dev/sda in this cgroup
> +	  # echo 8:0 0 > blkio.weight_device
> +	  # cat blkio.weight_device
> +	  dev     weight
> +	  8:16    300
> +
>  CFQ sysfs tunable
>  =================
>  /sys/block/<disk>/queue/iosched/group_isolation


  reply	other threads:[~2010-03-04 11:19 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
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 [this message]
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4B8F97E8.6020806@oss.ntt.co.jp \
    --to=yoshikawa.takuya@oss.ntt.co.jp \
    --cc=ctalbott@google.com \
    --cc=guijianfeng@cn.fujitsu.com \
    --cc=jens.axboe@oracle.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=nauman@google.com \
    --cc=vgoyal@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.