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|
:
#set -ex
if [ "x$VNDEVICE" = "x" ] ; then
VNDEVICE=vn0
fi
export BLOCKSIZE=512
RD=$1 ; shift
MNT=$1 ; shift
FSSIZE=$1 ; shift
FSPROTO=$1 ; shift
FSINODE=$1 ; shift
FSLABEL=$1 ; shift
deadlock=20
while true
do
rm -f fs-image
if [ ! -b /dev/${VNDEVICE} -o ! -c /dev/r${VNDEVICE} ] ; then
( cd /dev && sh MAKEDEV ${VNDEVICE} )
fi
umount /dev/${VNDEVICE} 2>/dev/null || true
umount ${MNT} 2>/dev/null || true
vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
dd of=fs-image if=/dev/zero count=${FSSIZE} bs=1k 2>/dev/null
# this suppresses the `invalid primary partition table: no magic'
awk 'BEGIN {printf "%c%c", 85, 170}' |\
dd of=fs-image obs=1 seek=510 conv=notrunc 2>/dev/null
vnconfig -s labels -c /dev/r${VNDEVICE} fs-image
if [ "`uname -m`" = "alpha" ]; then
disklabel -Brw -b ${RD}/trees/bin/usr/mdec/boot1 \
/dev/r${VNDEVICE} ${FSLABEL}
else
disklabel -Brw \
-b ${RD}/trees/bin/usr/mdec/fdboot \
-s ${RD}/trees/bin/usr/mdec/bootfd \
/dev/r${VNDEVICE} ${FSLABEL}
fi
newfs -u 0 -t 0 -i ${FSINODE} -m 0 -T ${FSLABEL} -o space /dev/r${VNDEVICE}c
mount /dev/${VNDEVICE}c ${MNT}
( set -e && cd ${FSPROTO} && find . -print | cpio -dump ${MNT} )
df -ki /mnt
set `df -ki /mnt | tail -1`
umount ${MNT}
fsck -p /dev/r${VNDEVICE}c < /dev/null
vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
if ! echo $FSLABEL | grep -q minimum; then
echo ${FSSIZE} > fs-image.size
break
fi
echo ">>> Filesystem is ${FSSIZE} K, $4 left"
echo ">>> ${FSINODE} bytes/inode, $7 left"
echo ">>> `expr ${FSSIZE} \* 1024 / ${FSINODE}`"
echo ${FSSIZE} > fs-image.size
break;
done
|
