Fix the new NFSv4 server so that it allows Access and Readlink operations while traversing non-exported file systems. This is required for some non-FreeBSD clients to do NFSv4 mounts. Found during the recent NFSv4 interoperability Bakeathon.
Fix the new NFSv4 server so that it allows Access and Readlink
operations while traversing non-exported file systems. This is
required for some non-FreeBSD clients to do NFSv4 mounts. Found during
the recent NFSv4 interoperability Bakeathon.

MFC after:	2 weeks

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