Add description of -p and remove reference to fstab processing.

Prompted by J.C. Robers; ok jmc@

1 files changed, 14 insertions, 8 deletions

diff --git a/sbin/fsck_ffs/fsck_ffs.8 b/sbin/fsck_ffs/fsck_ffs.8
index c469d79ab73..7d9893cb699 100644
--- a/sbin/fsck_ffs/fsck_ffs.8
+++ b/sbin/fsck_ffs/fsck_ffs.8
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: fsck_ffs.8,v 1.21 2010/01/10 10:53:33 jmc Exp $
+.\"	$OpenBSD: fsck_ffs.8,v 1.22 2010/03/03 15:05:38 otto Exp $
 .\"	$NetBSD: fsck_ffs.8,v 1.12 1996/09/23 16:18:34 christos Exp $
 .\"
 .\" Copyright (c) 1980, 1989, 1991, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"	@(#)fsck.8	8.3 (Berkeley) 11/29/94
 .\"
-.Dd $Mdocdate: January 10 2010 $
+.Dd $Mdocdate: March 3 2010 $
 .Dt FSCK_FFS 8
 .Os
 .Sh NAME
@@ -195,6 +195,18 @@ which is assumed to be affirmative.
 File systems will not be opened for writing.
 This is the default for file systems to be checked that are
 concurrently mounted writable.
+.It Fl p
+Enter preen mode:
+.Nm
+will check the file systems on the
+special (raw) devices listed on the command line
+and will make minor repairs without
+human intervention.
+Any major problems will cause
+.Nm
+to exit with a non-zero exit code,
+so as to alert any invoking program or script
+that human intervention is required.
 .It Fl y
 Assume a
 .Dq yes
@@ -219,12 +231,6 @@ The format of a file system can be determined from the
 first line of output from
 .Xr dumpfs 8 .
 .Pp
-If no file systems are given to
-.Nm
-then a default list of file systems is read from
-the file
-.Pa /etc/fstab .
-.Pp
 Inconsistencies checked are as follows:
 .Pp
 .Bl -enum -compact