[src/trunk]: src/sbin/mount Clarify UFS2 superblock format stuff. Bump date.

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

details:   https://anonhg.NetBSD.org/src/rev/7500ad83b575
branches:  trunk
changeset: 767558:7500ad83b575
user:      dholland <dholland%NetBSD.org@localhost>
date:      Fri Jul 22 15:47:46 2011 +0000

description:
Clarify UFS2 superblock format stuff. Bump date.

diffstat:

 sbin/mount/mount.8 |  13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)

diffs (41 lines):

diff -r 40e6d38ac1fc -r 7500ad83b575 sbin/mount/mount.8
--- a/sbin/mount/mount.8        Fri Jul 22 14:34:38 2011 +0000
+++ b/sbin/mount/mount.8        Fri Jul 22 15:47:46 2011 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: mount.8,v 1.72 2011/06/17 18:13:14 wiz Exp $
+.\"    $NetBSD: mount.8,v 1.73 2011/07/22 15:47:46 dholland Exp $
 .\"
 .\" Copyright (c) 1980, 1989, 1991, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)mount.8    8.8 (Berkeley) 6/16/94
 .\"
-.Dd June 17, 2011
+.Dd July 22, 2011
 .Dt MOUNT 8
 .Os
 .Sh NAME
@@ -263,7 +263,7 @@
 .Fl t
 flag and respective rump_type manual page for more information.
 .It Cm log
-(FFS only with UFS2 superblock layout)
+(FFS only)
 Mount the file system with
 .Xr wapbl 4
 meta-data journaling, also known simply as logging.
@@ -279,6 +279,13 @@
 See
 .Xr wapbl 4
 for more information.
+This option requires the
+.Dq UFS2
+superblock layout, which is the default for newly created FFSv1 and
+FFSv2 file systems.
+.\" To update an old file system with an earlier superblock format,
+ \" use
+.\" .Xr tunefs 8 .
 .It Cm symperm
 Recognize permission of symbolic link when reading or traversing link.
 .It Cm sync