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SubjectRe: [PATCH 1/2] cgroup allow subsys to set default mode of its own file
* KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> [2009-02-25 16:35:55]:

> From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
>
> cgroup's subsys has "readonly" files, but default permission is always
> rw-r--r--. This allows to create r--r--r-- file to subsys.
> (The user can do chmod on this read-only file. But this behavior is not
> different from current pseudo file systems as /proc.)
>
> Reason:
> When I wrote tools for maintain cgroup, I can't find which file is
> writable intarfece or not via cgroup file systems. (finally, I did
> dirty approach.)
> IMHO, showing "this file is read-only" in explicit way is useful
> for user-land (tools). In other story, a file whose name sounds read-only
> may have "trigger" operation and support reseting. In this case,
> "writable" is informative.

Perfect, Thanks, Looks good to me

--
Balbir


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