svn commit: r244689 - head/usr.sbin/mountd
Rick Macklem
rmacklem at FreeBSD.org
Tue Dec 25 22:34:43 UTC 2012
Author: rmacklem
Date: Tue Dec 25 22:34:43 2012
New Revision: 244689
URL: http://svnweb.freebsd.org/changeset/base/244689
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/mountd/exports.5
Modified: head/usr.sbin/mountd/exports.5
==============================================================================
--- head/usr.sbin/mountd/exports.5 Tue Dec 25 20:23:53 2012 (r244688)
+++ head/usr.sbin/mountd/exports.5 Tue Dec 25 22:34:43 2012 (r244689)
@@ -28,7 +28,7 @@
.\" @(#)exports.5 8.3 (Berkeley) 3/29/95
.\" $FreeBSD$
.\"
-.Dd July 12, 2011
+.Dd December 23, 2012
.Dt EXPORTS 5
.Os
.Sh NAME
@@ -311,12 +311,15 @@ For the third form which specifies the N
specifies the location within the server's file system tree which is the
root of the NFSv4 tree.
All entries of this form must specify the same directory path.
-This location can be any directory and does not
+For file systems other than ZFS,
+this location can be any directory and does not
need to be within an exported file system. If it is not in an exported
file system, a very limited set of operations are permitted, so that an
NFSv4 client can traverse the tree to an exported file system.
Although parts of the NFSv4 tree can be non-exported, the entire NFSv4 tree
must consist of local file systems capable of being exported via NFS.
+All ZFS file systems in the subtree below the NFSv4 tree root must be
+exported.
NFSv4 does not use the mount protocol and does permit clients to cross server
mount point boundaries, although not all clients are capable of crossing the
mount points.
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