[Devel] Re: [patch -mm 08/17] nsproxy: add hashtable

[Serge E. Hallyn]

Quoting Eric W. Biederman (ebiederm at xmission.com):
> clg at fr.ibm.com writes:
> 
> > From: Cedric Le Goater <clg at fr.ibm.com>
> >
> > This patch adds a hashtable of nsproxy using the nsproxy as a key. 
> > init_nsproxy is hashed at init with key 0. This is considered to be 
> > the 'host' nsproxy.
> 
> NAK.  Which namespace do these ids live in?
> 
> It sounds like you are setting up to make the 'host' nsproxy special
> and have special rules.  That also sounds wrong.
> 
> Even letting the concept of nsproxy escape to user space sounds wrong.
> nsproxy is an internal space optimization.  It's not struct container
> and I don't think we want it to become that.
> 
> Eric

So would you advocate referring to containers just by the pid of a
process containing the nsproxy, and letting userspace maintain a mapping
of id's to containers through container create/enter commands?  Or is
there some other way you were thinking of doing this?

thanks,
-serge
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