From 64dc8bf78043fb08806f61fcddd5a9e34a17cba4 Mon Sep 17 00:00:00 2001
From: Christian Brueffer <brueffer@FreeBSD.org>
Date: Sun, 18 Jul 2004 01:51:59 +0000
Subject: [PATCH] Mention the vfs.usermount sysctl.

Obtained from:	NetBSD via DragonFly BSD
MFC after:	3 days
---
 sbin/mount_unionfs/mount_unionfs.8 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sbin/mount_unionfs/mount_unionfs.8 b/sbin/mount_unionfs/mount_unionfs.8
index 2a41aa6d3a09..4232a44f4e28 100644
--- a/sbin/mount_unionfs/mount_unionfs.8
+++ b/sbin/mount_unionfs/mount_unionfs.8
@@ -87,6 +87,10 @@ Hide the lower layer completely in the same way as mounting with
 To enforce file system security, the user mounting the file system
 must be superuser or else have write permission on the mounted-on
 directory.
+In addition, the
+.Em vfs.usermount
+.Xr sysctl 3
+variable must be set to 1 to permit file system mounting by ordinary users.
 .Pp
 Filenames are looked up in the upper layer and then in the
 lower layer.