Grow the MBR partition table entry for the BSD partition before

growing the disklabel.

distrib/utils/embedded/files/resize_disklabel

@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $NetBSD: resize_disklabel,v 1.1 2015/04/06 20:19:28 jmcneill Exp $
+# $NetBSD: resize_disklabel,v 1.2 2017/04/14 13:47:21 jmcneill Exp $
 #
 
 # PROVIDE: resize_disklabel
@@ -33,6 +33,30 @@ get_rawpart_sectors()
 	/sbin/disklabel $disk | grep "^ $rawpart:" | awk '{ print $2; }'
 }
 
+grow_mbrpart()
+{
+	disk=$1
+	rawpart=$(get_rawpart)
+
+	eval $(/sbin/fdisk -S $disk)
+	if [ ! "$PART1ID" = "169" ]; then
+		warn "No NetBSD partition found in MBR partition #1"
+		return
+	fi
+
+	ts=$(($(get_total_sectors $disk) - ${PART1START}))
+	rs=${PART1SIZE}
+
+	if [ "$ts" = "$rs" ]; then
+		return
+	fi
+
+	oldsize=$(($rs * 512 / 1024 / 1024))
+	newsize=$(($ts * 512 / 1024 / 1024))
+	echo "Growing $disk MBR partition #1 (${oldsize}MB -> ${newsize}MB)"
+	/sbin/fdisk -f -u -1 -s 169/${PART1START}/${ts} ${disk}
+}
+
 grow_disklabel()
 {
 	disk=$1
@@ -64,6 +88,7 @@ resize_disklabel_start()
 		return
 	fi
 
+	grow_mbrpart "${resize_disklabel_disk}"
 	grow_disklabel "${resize_disklabel_disk}" "${resize_disklabel_part}"
 }