'Driver entry point to extent volume size.'

def extend_volume(self, volume, new_size):

    LOG.debug('extend_volume:    volume    name:    %s', volume['name'])
    lcfg = self.configuration
    self.zfssa.set_lun_props(lcfg.zfssa_pool, lcfg.zfssa_project, volume['name'], volsize=(new_size * units.Gi))
