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

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Message-ID: <m1aauqv1n7.fsf@fess.ebiederm.org>
Date:	Tue, 02 Mar 2010 13:45:16 -0800
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Jan Engelhardt <jengelh@...ozas.de>
Cc:	Pavel Emelyanov <xemul@...allels.com>,
	Daniel Lezcano <daniel.lezcano@...e.fr>, hadi@...erus.ca,
	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>,
	Matt Helsley <matthltc@...ibm.com>
Subject: Re: [RFC][PATCH] ns: Syscalls for better namespace sharing control.

Jan Engelhardt <jengelh@...ozas.de> writes:

> On Tuesday 2010-03-02 16:03, Pavel Emelyanov wrote:
>
>>> I agree with all the points you and Pavel you talked about but I don't 
>>> feel comfortable to have the current process to switch the pid namespace 
>>> because of the process tree hierarchy (what will be the parent of the 
>>> process when you enter the pid namespace for example).
>>
>>The answer is - the one, that used to be. I see no problems with it.
>>Do you?
>
> But perhaps it could be named "namespacefd" instead of nsfd, to reduce 
> potential clashes (because glibc will usually just use the same name 
> when making the syscall available as a C function).

Maybe.  namespacefd seems like a real mouthful.  I agree nsfd might be
a bit non-obvious for a rarish syscall.

Eric

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