> This issue is really not in the NFS-RDMA code.  the nfsd code is doing
 > the binding.  See commit:

I think the really relevant thing is 7d21c0f9 ("SUNRPC: Set IPV6ONLY
flag on PF_INET6 RPC listener sockets") and followups.  NFS expects to
have one IPv6-only socket and one IPv4-only socket.

It seems RDMA CM should create a similar V6ONLY option for binding (and
probably default to the /proc/sys/net/ipv6/bindv6only sysctl value) to
handle this.
-- 
Roland Dreier <rola...@cisco.com> || For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/index.html
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