Tsz Wo (Nicholas), SZE created HDFS-4441:
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Summary: Refactor INodeDirectoryWithSnapshot.Diff as a top level
generic class
Key: HDFS-4441
URL: https://issues.apache.org/jira/browse/HDFS-4441
Project: Hadoop HDFS
Issue Type: Sub-task
Components: namenode
Reporter: Tsz Wo (Nicholas), SZE
Assignee: Tsz Wo (Nicholas), SZE
INodeDirectoryWithSnapshot.Diff is for recording the difference between the
current state and a previous state of the children list of an INodeDirectory.
It is easy to refactor the code to support generic lists.
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