Re: [PATCH v6 3/3] NFSD: add write_ports to netlink command

[Lorenzo Bianconi <lorenzo@kernel.org>]

[-- Attachment #1: Type: text/plain, Size: 908 bytes --]

[...]
> 
> That's a great question. We do need to properly support the -H option to
> rpc.nfsd. What we do today is look up the hostname or address using
> getaddrinfo, and then open a listening socket for that address and then
> pass that fd down to the kernel, which I think then takes the socket and
> sticks it on sv_permsocks.
> 
> All of that seems a bit klunky. Ideally, I'd say the best thing would be
> to allow userland to pass the sockaddr we look up directly via netlink,
> and then let the kernel open the socket. That will probably mean
> refactoring some of the svc_xprt_create machinery to take a sockaddr,
> but I don't think it looks too hard to do.

Do we already have a specific use case for it? I think we can even add it
later when we have a defined use case for it on top of the current series.

Regards,
Lorenzo

> 
> -- 
> Jeff Layton <jlayton@kernel.org>
> 

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 228 bytes --]