Re: [PATCH v2 cgroup/for-3.11] cgroup: disallow rename(2) if sane_behavior

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On Fri, Jun 14, 2013 at 11:18:22AM -0700, Tejun Heo wrote:
> cgroup's rename(2) isn't a proper migration implementation - it can't
> move the cgroup to a different parent in the hierarchy.  All it can do
> is swapping the name string for that cgroup.  This isn't useful and
> can mislead users to think that cgroup supports proper cgroup-level
> migration.  Disallow rename(2) if sane_behavior.
> 
> v2: Fail with -EPERM instead of -EINVAL so that it matches the vfs
>     return value when ->rename is not implemented as suggested by Li.
> 
> Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
> Cc: Li Zefan <lizefan@xxxxxxxxxx>

Applied to cgroup/for-3.11.

Thanks.

-- 
tejun
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