[Devel] Re: [RFC][PATCH] freezer_cg: disable writing freezer.state of root cgroup

[Paul Menage]

On Tue, Nov 4, 2008 at 12:01 AM, Li Zefan <lizf at cn.fujitsu.com> wrote:
> Paul Menage wrote:
>> On Mon, Nov 3, 2008 at 11:35 PM, Li Zefan <lizf at cn.fujitsu.com> wrote:
>>> With this change, the root cgroup is unfreezable, and writing to
>>> its freezer.state returns -EIO.
>>
>> EINVAL might be more consistent with other systems like cpusets.
>>
>
> Because writing FREEZE (or other invalid value) to freezer.state returns EIO..
>
> Or that EIO should be also changed to EINVAL.

Yes, I think that should be EINVAL too - seems more consistent.

Paul
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