[PATCH 2/4] [RFC] Add sock_create_kern_net()
hadi at cyberus.ca
Wed Apr 28 04:44:54 PDT 2010
On Fri, 2010-04-23 at 07:55 -0700, Dan Smith wrote:
> This helper allows kernel routines to create a socket in a given netns,
> instead of forcing it to the initial or current one.
> I know this seems like it's violating the netns boundary. The intended
> use (as in the following patches) is specifically when talking to RTNETLINK
> in another netns for the purposes of creating or examining resources there.
> It is expected that this will be used for that sort of transient socket
> creation only. In other words:
> s = sock_create_kern_net(AF_NETLINK, ..., other_netns, ...);
CCing Eric B. and Daniel with whom i have had this discussion before.
So ... how does user space know what "other_netns" is?
Also note Eric's recent patches introduced another way of opening a
socket in a different namespace - are you using those in the abstraction
to find what netns is?
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