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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _rescanSizes(self, force=True):
 """ Zero and recalculate quota sizes to subvolume sizes will be correct. """

        status = self.QUOTA_CTL(cmd=BTRFS_QUOTA_CTL_ENABLE).status
        logger.debug("CTL Status: %s", hex(status))

        status = self.QUOTA_RESCAN_STATUS()
        logger.debug("RESCAN Status: %s", status)

        if not status.flags:
            if not force:
                return
            self.QUOTA_RESCAN()

        logger.warn("Waiting for btrfs quota usage scan...")
        self.QUOTA_RESCAN_WAIT()