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Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init cgroupns

From Tejun Heo <tj@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init cgroupns
Date 2015-12-02 18:10 +0100
Message-ID <qBj4M-1FO-69@gated-at.bofh.it> (permalink)
References (5 earlier) <qB17Q-6L3-11@gated-at.bofh.it> <qBiV5-1mH-29@gated-at.bofh.it> <qBiV5-1mH-31@gated-at.bofh.it> <qBiV5-1mH-27@gated-at.bofh.it> <qBj4M-1FO-71@gated-at.bofh.it>
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On Wed, Dec 02, 2015 at 11:02:39AM -0600, Serge E. Hallyn wrote:
> On Wed, Dec 02, 2015 at 11:58:39AM -0500, Tejun Heo wrote:
> > On Wed, Dec 02, 2015 at 10:56:37AM -0600, Serge E. Hallyn wrote:
> > > Can it be flushed when we know that the cgroup is being pinned by
> > > a css_set?  (There's either a task or a cgroup_namespace pinning it
> > > or we wouldn't get here)
> > 
> > Yeap, it can be flushed.  There's no ref coming out of cgroup to the
> > vfs objects.
> 
> Ok, thanks.  Still seems to me to be more work to actually walk the
> path ourselves, but I'll go that route and see what it looks like :)

I just dislike having two separate paths instantiating the same
objects and would prefer doing it the same way userland would do if
that isn't too complex but yeah it might turn out to be a lot more
work.

Thanks a lot!

-- 
tejun
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Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init  cgroupns "Serge E. Hallyn" <serge.hallyn@ubuntu.com> - 2015-12-01 05:10 +0100
  Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init  cgroupns Tejun Heo <tj@kernel.org> - 2015-12-01 17:50 +0100
    Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init  cgroupns "Serge E. Hallyn" <serge.hallyn@ubuntu.com> - 2015-12-01 23:00 +0100
      Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init  cgroupns Tejun Heo <tj@kernel.org> - 2015-12-02 18:00 +0100
        Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init  cgroupns Tejun Heo <tj@kernel.org> - 2015-12-02 18:10 +0100
          Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init  cgroupns "Serge E. Hallyn" <serge.hallyn@ubuntu.com> - 2015-12-03 23:50 +0100
            Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init  cgroupns Tejun Heo <tj@kernel.org> - 2015-12-07 16:40 +0100
              Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init  cgroupns Serge Hallyn <serge.hallyn@ubuntu.com> - 2015-12-07 17:00 +0100
        Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init  cgroupns "Serge E. Hallyn" <serge.hallyn@ubuntu.com> - 2015-12-02 18:10 +0100
      Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init  cgroupns "Serge E. Hallyn" <serge.hallyn@ubuntu.com> - 2015-12-02 18:00 +0100
      Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init  cgroupns Tejun Heo <tj@kernel.org> - 2015-12-02 18:00 +0100

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