From f8089d091127aba6800052c6f70d19b4fe06e157 Mon Sep 17 00:00:00 2001
From: nyan <nyan@FreeBSD.org>
Date: Thu, 15 Nov 2001 07:27:25 +0000
Subject: Use the vn driver on a stable system.

---
 release/scripts/doFS.sh | 73 +++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 70 insertions(+), 3 deletions(-)

(limited to 'release/scripts')

diff --git a/release/scripts/doFS.sh b/release/scripts/doFS.sh
index d7b660f..bb2d7d8 100644
--- a/release/scripts/doFS.sh
+++ b/release/scripts/doFS.sh
@@ -23,8 +23,65 @@ FSLABEL=$1 ; shift
 
 deadlock=20
 
-while true 
-do
+dofs_vn () {
+    if [ "x$VNDEVICE" = "x" ] ; then
+	VNDEVICE=vn0
+    fi
+    u=`expr $VNDEVICE : 'vn\([0-9]*\)' || true`
+    VNDEVICE=vnn$u
+
+    rm -f /dev/*vnn*
+    mknod /dev/rvnn${u} c 43 `expr 65538 + $u '*' 8`
+    mknod /dev/rvnn${u}c c 43 `expr 2 + $u '*' 8`
+    mknod /dev/vnn${u} b 15 `expr 65538 + $u '*' 8`
+    mknod /dev/vnn${u}c b 15 `expr 2 + $u '*' 8`
+
+    while true 
+    do
+	rm -f ${FSIMG}
+
+	umount /dev/${VNDEVICE} 2>/dev/null || true
+	umount ${MNT} 2>/dev/null || true
+	vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
+
+	dd of=${FSIMG} if=/dev/zero count=${FSSIZE} bs=1k 2>/dev/null
+	# this suppresses the `invalid primary partition table: no magic'
+	awk 'BEGIN {printf "%c%c", 85, 170}' |\
+	    dd of=${FSIMG} obs=1 seek=510 conv=notrunc 2>/dev/null
+
+	vnconfig -s labels -c /dev/r${VNDEVICE} ${FSIMG}
+	disklabel -Brw /dev/r${VNDEVICE} ${FSLABEL}
+	newfs -i ${FSINODE} -T ${FSLABEL} -o space -m 1 /dev/r${VNDEVICE}c
+
+	mount /dev/${VNDEVICE}c ${MNT}
+
+	if [ -d ${FSPROTO} ]; then
+		(set -e && cd ${FSPROTO} && find . -print | cpio -dump ${MNT})
+	else
+		cp -p ${FSPROTO} ${MNT}
+	fi
+
+	df -ki ${MNT}
+
+	set `df -ki ${MNT} | tail -1`
+
+	umount ${MNT}
+	vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
+
+	echo "*** Filesystem is ${FSSIZE} K, $4 left"
+	echo "***     ${FSINODE} bytes/inode, $7 left"
+	if [ "${do_size}" ]; then
+		echo ${FSSIZE} > ${FSIMG}.size
+	fi
+	break;
+    done
+
+    rm -f /dev/*vnn*
+}
+
+dofs_md () {
+    while true 
+    do
 	rm -f ${FSIMG}
 
 	if [ "x${MDDEVICE}" != "x" ] ; then
@@ -71,4 +128,14 @@ do
 		echo ${FSSIZE} > ${FSIMG}.size
 	fi
 	break;
-done
+    done
+}
+
+case `uname -r` in
+5.*)
+	dofs_md
+	;;
+*)
+	dofs_vn
+	;;
+esac
-- 
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