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|
:
#set -ex
if [ "x$VNDEVICE" = "x" ] ; then
VNDEVICE=vn0
fi
export BLOCKSIZE=512
if [ "$1" = "-s" ]; then
do_size="yes"; shift
else
do_size=""
fi
FSIMG=$1; shift
RD=$1 ; shift
MNT=$1 ; shift
FSSIZE=$1 ; shift
FSPROTO=$1 ; shift
FSINODE=$1 ; shift
FSLABEL=$1 ; shift
deadlock=20
u=`expr $VNDEVICE : 'vn\([0-9]*\)' || true`
rm -f /dev/*vnn*
mknod /dev/vnn${u} c 43 `expr 65538 + $u '*' 8`
mknod /dev/rvnn${u} c 43 `expr 65538 + $u '*' 8`
mknod /dev/vnn${u}c c 43 `expr 2 + $u '*' 8`
mknod /dev/rvnn${u}c c 43 `expr 2 + $u '*' 8`
VNDEVICE=vnn$u
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 ${FSLABEL} -o space /dev/r${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*
|
