- def _map_partition(self, dev, index, start, end):
- name = "%sp%d" % (os.path.basename(dev), index)
- tablefd, table = tempfile.mkstemp()
- try:
- size = end - start + 1
- os.write(tablefd, "0 %d linear %s %d" % (start, dev, size))
- dmsetup('create', name, table)
- finally:
- os.unlink(table)
-
- def _unmap_partition(self, dev, index):
- name = "%sp%d" % (os.path.basename(dev), index)
- if not os.path.exists("/dev/mapper/%s" % name):
- return
-
- dmsetup('remove', name)
- time.sleep(0.5)
-