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https://issues.apache.org/jira/browse/HDFS-5647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13844778#comment-13844778
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Haohui Mai commented on HDFS-5647:
----------------------------------

Address Jing's comments.

> Merge INodeDirectory.Feature and INodeFile.Feature
> --------------------------------------------------
>
>                 Key: HDFS-5647
>                 URL: https://issues.apache.org/jira/browse/HDFS-5647
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Haohui Mai
>            Assignee: Haohui Mai
>         Attachments: HDFS-5647.000.patch, HDFS-5647.001.patch
>
>
> HDFS-4685 implements ACLs for HDFS, which can benefit from the INode features 
> introduced in HDFS-5284. The current code separates the INode feature of 
> INodeFile and INodeDirectory into two different class hierarchies. This 
> hinders the implementation of ACL since ACL is a concept that applies to both 
> INodeFile and INodeDirectory.
> This jira proposes to merge the two class hierarchies (i.e., 
> INodeDirectory.Feature and INodeFile.Feature) to simplify the implementation 
> of ACLs.



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