blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
mknod -m 0666 $VTOY_DM_PATH b $blkdev_num
fi
blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
mknod -m 0666 $VTOY_DM_PATH b $blkdev_num
fi