Messages in this thread | | | Date | Fri, 05 Mar 2010 11:44:22 +0900 | From | Takuya Yoshikawa <> | Subject | Re: [PATCH 2/2 V3] io-controller: Document for blkio.weight_device |
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Hi, thank you for fixing ...
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 > /pach/to/cgroup/blkio.weight_device
You deleted wrong character! We need 't' not 'c'.
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
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