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

From: Tejun Heo
Date: Wed Dec 02 2015 - 11:53:21 EST


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?

Thanks.

--
tejun
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