On Mon, 2010-09-20 at 15:56 -0400, J. Bruce Fields wrote: > On Mon, Sep 20, 2010 at 03:28:00PM -0400, Chuck Lever wrote: > > > > On Sep 20, 2010, at 3:13 PM, Pavel Emelyanov wrote: > > > The nearest plan is > > > > > > 1. Prepare the sunrpc layer to work in net namespaces 2. Make > > > rpcpipefs and nfsd filesystems be mountable multiple times 3. Make > > > support for multiple instances of the nfsd caches 4. Make suuport > > > for multiple instances of the nfsd_serv > > > > > > After this several NFSd-s can be used in containers (hopefully I > > > didn't miss anything). > > > > Are you assuming NFSv4 only? Something needs to be done about NLM and > > NSM to make this work right. > > > > Is there an issue for idmapper and svcgssd? Probably not, but worth > > exploring. > > > > And, how about AUTH_SYS certs? These contain the host's name in them, > > and that depends on the net namespace. NLM uses AUTH_SYS, and I > > believe the NFS server can make NLM calls to the client. > > The client probably can't use the auth_sys cred on nlm callbacks in any > sensible way, so this may not be a big deal. If clients are per-net namespace, then the cl_nodename can and should be converted to reflect the utsname()->nodename. We currently force it to be the init_utsname()->nodename, precisely because we don't support namespaces. Cheers Trond -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
