'Call the get, map and mnt operations.'

def do_mount(self):

    status = False
    try:
        status = (self.get_dev() and self.map_dev() and self.mnt_dev())
    finally:
        if (not status):
            LOG.debug('Fail    to    mount,    tearing    back    down')
            self.do_teardown()
    return status
