[src/trunk]: src/lib/libc/sys document MNT_RELATIME

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

details:   https://anonhg.NetBSD.org/src/rev/e34986ba35d7
branches:  trunk
changeset: 771304:e34986ba35d7
user:      christos <christos%NetBSD.org@localhost>
date:      Fri Nov 18 21:04:21 2011 +0000

description:
document MNT_RELATIME

diffstat:

 lib/libc/sys/mount.2 |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (29 lines):

diff -r 1e27798d214e -r e34986ba35d7 lib/libc/sys/mount.2
--- a/lib/libc/sys/mount.2      Fri Nov 18 20:43:01 2011 +0000
+++ b/lib/libc/sys/mount.2      Fri Nov 18 21:04:21 2011 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: mount.2,v 1.48 2011/06/17 18:12:32 wiz Exp $
+.\"    $NetBSD: mount.2,v 1.49 2011/11/18 21:04:21 christos Exp $
 .\"
 .\" Copyright (c) 1980, 1989, 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"     @(#)mount.2    8.3 (Berkeley) 5/24/95
 .\"
-.Dd June 17, 2011
+.Dd November 18, 2011
 .Dt MOUNT 2
 .Os
 .Sh NAME
@@ -98,6 +98,10 @@
 Do not allow programs to dump core files on the file system.
 .It Dv MNT_NOATIME
 Never update access time in the file system.
+.It Dv MNT_RELATIME
+Update access time on write and change.
+This helps programs that verify that the file has been read after written
+to work.
 .It Dv MNT_NODEVMTIME
 Never update modification time of device files.
 .It Dv MNT_SYMPERM