142 lines
2.9 KiB
Bash
142 lines
2.9 KiB
Bash
#!/bin/sh
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#
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# $FreeBSD$
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#
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set -e
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export BLOCKSIZE=512
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if [ "$1" = "-s" ]; then
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do_size="yes"; shift
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else
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do_size=""
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fi
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FSIMG=$1; shift
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RD=$1 ; shift
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MNT=$1 ; shift
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FSSIZE=$1 ; shift
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FSPROTO=$1 ; shift
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FSINODE=$1 ; shift
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FSLABEL=$1 ; shift
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deadlock=20
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dofs_vn () {
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if [ "x$VNDEVICE" = "x" ] ; then
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VNDEVICE=vn0
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fi
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u=`expr $VNDEVICE : 'vn\([0-9]*\)' || true`
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VNDEVICE=vnn$u
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rm -f /dev/*vnn*
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mknod /dev/rvnn${u} c 43 `expr 65538 + $u '*' 8`
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mknod /dev/rvnn${u}c c 43 `expr 2 + $u '*' 8`
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mknod /dev/vnn${u} b 15 `expr 65538 + $u '*' 8`
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mknod /dev/vnn${u}c b 15 `expr 2 + $u '*' 8`
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while true
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do
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rm -f ${FSIMG}
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umount /dev/${VNDEVICE} 2>/dev/null || true
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umount ${MNT} 2>/dev/null || true
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vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
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dd of=${FSIMG} if=/dev/zero count=${FSSIZE} bs=1k 2>/dev/null
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# this suppresses the `invalid primary partition table: no magic'
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awk 'BEGIN {printf "%c%c", 85, 170}' |\
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dd of=${FSIMG} obs=1 seek=510 conv=notrunc 2>/dev/null
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vnconfig -s labels -c /dev/r${VNDEVICE} ${FSIMG}
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disklabel -Brw /dev/r${VNDEVICE} ${FSLABEL}
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newfs -i ${FSINODE} -T ${FSLABEL} -o space -m 1 /dev/r${VNDEVICE}c
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mount /dev/${VNDEVICE}c ${MNT}
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if [ -d ${FSPROTO} ]; then
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(set -e && cd ${FSPROTO} && find . -print | cpio -dump ${MNT})
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else
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cp -p ${FSPROTO} ${MNT}
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fi
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df -ki ${MNT}
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set `df -ki ${MNT} | tail -1`
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umount ${MNT}
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vnconfig -u /dev/r${VNDEVICE} 2>/dev/null || true
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echo "*** Filesystem is ${FSSIZE} K, $4 left"
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echo "*** ${FSINODE} bytes/inode, $7 left"
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if [ "${do_size}" ]; then
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echo ${FSSIZE} > ${FSIMG}.size
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fi
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break;
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done
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rm -f /dev/*vnn*
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}
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dofs_md () {
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while true
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do
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rm -f ${FSIMG}
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if [ "x${MDDEVICE}" != "x" ] ; then
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umount /dev/${MDDEVICE} 2>/dev/null || true
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umount ${MNT} 2>/dev/null || true
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mdconfig -d -u ${MDDEVICE} 2>/dev/null || true
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fi
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dd of=${FSIMG} if=/dev/zero count=${FSSIZE} bs=1k 2>/dev/null
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# this suppresses the `invalid primary partition table: no magic'
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awk 'BEGIN {printf "%c%c", 85, 170}' |\
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dd of=${FSIMG} obs=1 seek=510 conv=notrunc 2>/dev/null
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MDDEVICE=`mdconfig -a -t vnode -f ${FSIMG}`
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if [ ! -c /dev/${MDDEVICE} ] ; then
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if [ -f /dev/MAKEDEV ] ; then
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( cd /dev && sh MAKEDEV ${MDDEVICE} )
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else
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echo "No /dev/$MDDEVICE and no MAKEDEV" 1>&2
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exit 1
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fi
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fi
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disklabel -Brw /dev/${MDDEVICE} ${FSLABEL}
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newfs -i ${FSINODE} -o space -m 0 /dev/${MDDEVICE}c
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mount /dev/${MDDEVICE}c ${MNT}
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if [ -d ${FSPROTO} ]; then
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(set -e && cd ${FSPROTO} && find . -print | cpio -dump ${MNT})
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else
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cp -p ${FSPROTO} ${MNT}
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fi
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df -ki ${MNT}
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set `df -ki ${MNT} | tail -1`
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umount ${MNT}
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mdconfig -d -u ${MDDEVICE} 2>/dev/null || true
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echo "*** Filesystem is ${FSSIZE} K, $4 left"
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echo "*** ${FSINODE} bytes/inode, $7 left"
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if [ "${do_size}" ]; then
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echo ${FSSIZE} > ${FSIMG}.size
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fi
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break;
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done
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}
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case `uname -r` in
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[1-4].*)
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dofs_vn
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;;
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*)
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dofs_md
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;;
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esac
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