John Baldwin a0a073b16d Update NFS to handle larger link counts post ino64.
- Define a NFS_LINK_MAX as UINT32_MAX to match the wire protocol.
- Use NFS_LINK_MAX instead of LINK_MAX as the fallback value reported
  for a PATHCONF RPC by the NFS server.
- Use NFS_LINK_MAX instead of LINK_MAX as the default value reported
  by the NFS client pathconf() if not overridden by the NFS server.
- When reading the link count out of an RPC reply, read the full 32
  bits instead of the lower 16 bits.

Reviewed by:	rmacklem (earlier version)
Sponsored by:	Chelsio Communications
2017-12-19 19:18:48 +00:00
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