# File lib/fog/shared_file_system/openstack/requests/update_quota.rb, line 5
        def update_quota(project_id, options = {})
          request(
            :body    => Fog::JSON.encode('quota_set' => options),
            :expects => 200,
            :method  => 'PUT',
            :path    => "#{action_prefix}quota-sets/#{project_id}"
          )
        end