From 5a70daa23f8e2efd247acd4e68812fe9f027982f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= <des@FreeBSD.org>
Date: Mon, 20 Sep 2004 17:48:45 +0000
Subject: [PATCH] If $dumpdev is set to AUTO, use the first suitable swap
 partition listed in /etc/fstab, or print an error message if no suitable
 device was found.

MFC after:	4 weeks
---
 etc/rc.d/dumpon | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/etc/rc.d/dumpon b/etc/rc.d/dumpon
index 8e811341fca5..5bb202e88ac6 100644
--- a/etc/rc.d/dumpon
+++ b/etc/rc.d/dumpon
@@ -22,6 +22,16 @@ dumpon_start()
 	case ${dumpdev} in
 	[Nn][Oo] | '')
 		;;
+	[Aa][Uu][Tt][Oo])
+		memsize=$((`/sbin/sysctl -n hw.physmem` / 1024))
+		while read dev mp type more ; do
+			[ "${type}" = "swap" ] || continue
+			[ -c "${dev}" ] || continue
+			/sbin/dumpon -v "${dev}" 2>/dev/null && return 0
+		done </etc/fstab
+		echo "No suitable dump device was found." 1>&2
+		return 1
+		;;
 	*)
 		/sbin/dumpon -v ${dumpdev}
 		;;