--- a/do_acpi_sleep	2006-07-20 03:45:02.000000000 +0200
+++ b/do_acpi_sleep	2006-07-25 18:27:42.000000000 +0200
@@ -54,6 +54,8 @@ OPT="--hctosys"
 # where is the s2ram binary installed?
 S2RAM="/usr/sbin/s2ram"
 S2RAM_LOG=/var/log/suspend2ram.log
+S2DISK="/usr/local/sbin/s2disk"
+S2DISK_LOG=/var/log/suspend2disk.log
 
 # blank the "suspend console"
 deallocvt 63
@@ -68,20 +70,25 @@ fi
 
 case "$1" in
     suspend2disk)
-	IMG_SZ=0
-	read IMG_SZ < /sys/power/image_size	
-	$MYECHO /sys/power/state disk
-	RET=$?      # 28=ENOSPC, "not enough swap."
-	#
-	# the logic here is:
-	# if image_size > 0 (without kernel support, IMG_SZ will be zero),
-	# and we got ENOSPC, then try again with image_size set to zero.
-	if [ $RET -eq 28 -a $IMG_SZ -ne 0 ]; then # try again with minimal image size
-		echo 0 > /sys/power/image_size
-		$MYECHO /sys/power/state disk
+	if [ -x $S2DISK ]; then
+		$S2DISK >> $S2DISK_LOG 2>&1
 		RET=$?
-		echo $IMG_SZ > /sys/power/image_size
-        fi
+	else
+		IMG_SZ=0
+		read IMG_SZ < /sys/power/image_size	
+		$MYECHO /sys/power/state disk
+		RET=$?      # 28=ENOSPC, "not enough swap."
+		#
+		# the logic here is:
+		# if image_size > 0 (without kernel support, IMG_SZ will be zero),
+		# and we got ENOSPC, then try again with image_size set to zero.
+		if [ $RET -eq 28 -a $IMG_SZ -ne 0 ]; then # try again with minimal image size
+			echo 0 > /sys/power/image_size
+			$MYECHO /sys/power/state disk
+			RET=$?
+			echo $IMG_SZ > /sys/power/image_size
+        	fi
+	fi
 	[ "$SUSPEND2DISK_RESTORE_CLOCK" == "yes" ] && $HWCLOCK $OPT
 	;;
     suspend2ram)