From 19625f29fe7bd0af6b28132a66b0dde570e03e49 Mon Sep 17 00:00:00 2001
From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Thu, 13 Apr 2017 22:05:24 +0000
Subject: [PATCH] Document the "oneopenown" option added by r316792.

This is a content change.

MFC after:	2 weeks
---
 sbin/mount_nfs/mount_nfs.8 | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/sbin/mount_nfs/mount_nfs.8 b/sbin/mount_nfs/mount_nfs.8
index a83f47c1c469..22aa5921780a 100644
--- a/sbin/mount_nfs/mount_nfs.8
+++ b/sbin/mount_nfs/mount_nfs.8
@@ -28,7 +28,7 @@
 .\"	@(#)mount_nfs.8	8.3 (Berkeley) 3/29/95
 .\" $FreeBSD$
 .\"
-.Dd September 10, 2016
+.Dd April 13, 2017
 .Dt MOUNT_NFS 8
 .Os
 .Sh NAME
@@ -201,6 +201,14 @@ The only minor version currently supported is 1.
 This option is only meaningful when used with the
 .Cm nfsv4
 option.
+.It Cm oneopenown
+Make a minor version 1 of the NFS Version 4 protocol mount use a single OpenOwner
+for all Opens.
+This may be useful for a server with a very low limit on OpenOwners, such as
+AmazonEFS.
+It can only be used with an NFSv4.1 mount.
+It may not work correctly when Delegations are being issued by a server,
+but note that the AmazonEFS server does not issued delegations at this time.
 .It Cm pnfs
 Enable support for parallel NFS (pNFS) for minor version 1 of the
 NFS Version 4 protocol.