Tsz Wo (Nicholas), SZE created HDFS-4317:
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Summary: Rear
Key: HDFS-4317
URL: https://issues.apache.org/jira/browse/HDFS-4317
Project: Hadoop HDFS
Issue Type: Sub-task
Components: namenode
Reporter: Tsz Wo (Nicholas), SZE
Assignee: Tsz Wo (Nicholas), SZE
This is a subtask separated from HDFS-4103:
- Change Diff to support undo.
- Add createSnapshotCopy() for inode
- Reorganize the INode and its subclasses constructors and some other methods.
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