12278 nfs-zone needs man page changes
Reviewed by: Peter Tribble <peter.tribble@gmail.com>
Reviewed by: Gordon Ross <gordon.w.ross@gmail.com>

@@ -16,12 +16,13 @@
 .\"
 .\"
 .\" Copyright 1989 AT&T
 .\" Copyright (c) 2004, Sun Microsystems, Inc. All Rights Reserved.
 .\" Copyright 2016 Nexenta Systems, Inc.
+.\" Copyright 2020 Joyent, Inc.
 .\"
-.Dd December 18, 2016
+.Dd February 4, 2020
 .Dt NFS 4
 .Os
 .Sh NAME
 .Nm nfs
 .Nd NFS configuration properties

@@ -294,13 +295,25 @@
 potentially be mapped to the wrong id.
 However, this is not functionally different from mapping the inbound string to
 .Sy nobody ,
 yet provides greater flexibility.
 .El
+.Sh ZONES
+NFS can be served out of a non-global zone.
+All of the above documentation applies to an in-zone NFS server.
+File sharing in zones is restricted to filesystems a zone completely controls.
+Some zone brands (see
+.Xr brands 5 )
+do not give the zone's root its own filesystem, for example.
+Delegated ZFS datasets to a zone are shareable, as well as lofs-remounted
+directories.
+The zone must have sys_nfs privileges; most brands grant this already.
 .Sh SEE ALSO
 .Xr lockd 1M ,
 .Xr mount_nfs 1M ,
 .Xr mountd 1M ,
 .Xr nfsd 1M ,
 .Xr nfsmapid 1M ,
 .Xr sharectl 1M ,
-.Xr smf 5
+.Xr brands 5 ,
+.Xr smf 5 ,
+.Xr zones 5