Messages in this thread | | | Date | Wed, 2 Dec 2015 10:56:37 -0600 | From | "Serge E. Hallyn" <> | Subject | Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init cgroupns |
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On Wed, Dec 02, 2015 at 11:53:12AM -0500, Tejun Heo wrote: > Hello, Serge. > > On Tue, Dec 01, 2015 at 03:58:53PM -0600, Serge E. Hallyn wrote: > > I mispoke before though - it's not the hierarchy's root dentry, > > but rather a dentry for a descendent cgroup which will become the > > root dentry for the new superblock. We do know that there must be > > a css_set with a cgroup. I'm still trying to track down whether > > that cgrou's inode's dentry can ever be flushed. I would think > > not but am not sure. > > Hmmm... I'm not really following. The inode can be flushed and that's > why it needs to be walked down from root. What am I missing here?
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)
-serge
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