netdev - Re: [RFC][PATCH] ns: Syscalls for better namespace sharing control.

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Message-ID: <m1635l0yne.fsf@fess.ebiederm.org>
Date:	Thu, 25 Feb 2010 13:54:29 -0800
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Matt Helsley <matthltc@...ibm.com>
Cc:	hadi@...erus.ca, Daniel Lezcano <dlezcano@...ibm.com>,
	Patrick McHardy <kaber@...sh.net>,
	Linux Netdev List <netdev@...r.kernel.org>,
	containers@...ts.linux-foundation.org,
	Netfilter Development Mailinglist 
	<netfilter-devel@...r.kernel.org>,
	Ben Greear <greearb@...delatech.com>,
	Serge Hallyn <serue@...ibm.com>
Subject: Re: [RFC][PATCH] ns: Syscalls for better namespace sharing control.

Matt Helsley <matthltc@...ibm.com> writes:

> 	Seems like an ok concept to me. Did you try doing this with
> anon_inodes and bind mounting the /proc/<pid>/fd/N as above to keep
> them alive and name them?

I used a normal file.  anon_nodes strictly speaking might work, but they
keep their state in the struct file not in the struct dentry.  So even
if the anon_inodes survived they would not be good for anything.  Otherwise
I would have just reused the anon_inodes.

Eric
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