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From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Tue, 25 Dec 2012 22:47:50 +0000 (UTC)
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Subject: svn commit: r244690 - head/usr.sbin/nfsd
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Author: rmacklem
Date: Tue Dec 25 22:47:49 2012
New Revision: 244690
URL: http://svnweb.freebsd.org/changeset/base/244690

Log:
  Attempt to clarify that for ZFS, all file systems under
  the NFSv4 root must be exported. This is because ZFS
  checks exports itself.
  This is a content change.
  
  MFC after:	2 weeks

Modified:
  head/usr.sbin/nfsd/nfsv4.4

Modified: head/usr.sbin/nfsd/nfsv4.4
==============================================================================
--- head/usr.sbin/nfsd/nfsv4.4	Tue Dec 25 22:34:43 2012	(r244689)
+++ head/usr.sbin/nfsd/nfsv4.4	Tue Dec 25 22:47:49 2012	(r244690)
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd May 15, 2011
+.Dd December 23, 2012
 .Dt NFSV4 4
 .Os
 .Sh NAME
@@ -98,6 +98,8 @@ allows a limited subset of operations to
 of the local file system, so that traversal of the tree to the exported
 subtrees is possible.
 As such, the ``<rootdir>'' can be in a non-exported file system.
+The exception is ZFS, which checks exports and, as such, all ZFS file systems
+below the ``<rootdir>'' must be exported.
 However,
 the entire tree that is rooted at that point must be in local file systems
 that are of types that can be NFS exported.