libvirt/tests/storagevolxml2xmlin/vol-partition.xml

<volume>
  <name>sda1</name>
  <key>/dev/sda1</key>
  <source>
    <device path='/dev/sda'>
      <extent start='32256' end='106928640'/>
    </device>
  </source>
  <capacity>106896384</capacity>
  <allocation>106896384</allocation>
  <target>
    <path>/dev/sda1</path>
    <format type='none'/>
    <permissions>
      <mode>0660</mode>
      <owner>0</owner>
      <group>6</group>
      <label>system_u:object_r:fixed_disk_device_t:s0</label>
    </permissions>
  </target>
</volume>