Messages in this thread | | | Date | Mon, 30 Nov 2015 10:09:38 -0500 | From | Tejun Heo <> | Subject | Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init cgroupns |
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Hello, Serge.
On Thu, Nov 26, 2015 at 11:17:45PM -0600, Serge E. Hallyn wrote: > > Wouldn't it be simpler to walk dentry from kernfs root than > > duplicating dentry instantiation? > > Sorry I don't think I'm following. Are you suggesting walking the > kn->parent chain backward and doing d_lookup() at each point starting > with sb->s_root?
Yeah, something like that. I wonder whether there are already code paths doing that. What we need is a straight path walk. I could be wrong but it shouldn't be that complex and if it works out we can avoid introducing another instantiation / lookup path.
Thanks.
-- tejun
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