Use the vn driver on a stable system.
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=86390
@ -23,8 +23,65 @@ FSLABEL=$1 ; shift
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deadlock=20
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while true
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do
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dofs_vn () {
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if [ "x$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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@ -71,4 +128,14 @@ do
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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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done
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}
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case `uname -r` in
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5.*)
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dofs_md
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;;
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*)
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dofs_vn
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;;
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esac
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