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SubjectRe: [RFC/RFT PATCH] cgroup: enable write permission for the group of users
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On Wed, 2011-02-02 at 02:27 +0100, Ingo Molnar wrote:
> * Paul Menage <menage@google.com> wrote:
>
> > On Tue, Feb 1, 2011 at 1:02 AM, Jordi Pujol <jordipujolp@gmail.com> wrote:
> > > Hello,
> > >
> > > Working in a development that uses control groups and libcgroup, I have found
> > > that the files in control groups directories need write permission for the
> > > group of users also.
> >
> > This can be configured from userspace - chmod() works just fine on
> > control files in cgroupfs.
>
> Sure, many things can be worked around in user-space, but the question is, does the
> +g make sense as default cgroupfs permissions?

I don't think this is anything the kernel can guess, the cgroup
filesystem is root only on initial mount time for a good reason.
Anything thereafter is purely up to userspace.


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