Merge pull request #82 from huangpeng5/suyan_329

Resolve bug where the return value of show_qos is None.

Author: huangpeng5

Manila/file_driver_dir/huawei/oceanstorPacific/customization_nas_driver.py

@@ -114,7 +114,7 @@ def show_qos(self, share):
         """苏研定制接口，查询share所属命名空间的qos策略"""
 
         LOG.info("********************Do show_qos.********************")
-        self.plugin_factory.instance_service(
+        return self.plugin_factory.instance_service(
             OperateShare, share, self.storage_features).show_qos()
 
     def modify_share_tier_policy(self, context, share, new_share):