[src/trunk]: src/bin/df mention that -W needs root.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/83b256ccb72d
branches:  trunk
changeset: 965481:83b256ccb72d
user:      christos <christos%NetBSD.org@localhost>
date:      Wed Sep 18 20:17:46 2019 +0000

description:
mention that -W needs root.

diffstat:

 bin/df/df.1 |  9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diffs (20 lines):

diff -r 3fead9c0d52d -r 83b256ccb72d bin/df/df.1
--- a/bin/df/df.1       Wed Sep 18 20:14:44 2019 +0000
+++ b/bin/df/df.1       Wed Sep 18 20:17:46 2019 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: df.1,v 1.50 2019/09/18 20:14:44 christos Exp $
+.\"    $NetBSD: df.1,v 1.51 2019/09/18 20:17:46 christos Exp $
 .\"
 .\" Copyright (c) 1989, 1990, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -210,3 +210,10 @@
 .Nm
 utility appeared in
 .At v1 .
+.Sh BUGS
+The
+.Fl W
+option needs root privileges to run because it needs to open the disk devices
+to get the wedge information.
+Perhaps this information should be exposed via a different mechanism in the
+future.