# File lib/specinfra/host_inventory/block_device.rb, line 18
      def parse(ret)
        block_device = {}
        ret.each_line do |line|
          line.strip!
          if m = line.match(BLOCK_DEVICE_REGEX)
            device = m[1].to_s
            check = m[3].nil? ? m[2].to_s : m[3].to_s
            value = m[4].to_s

            block_device[device] = {} if block_device[device].nil?
            block_device[device][check] = value
          end
        end
        block_device
      end