[HDFS-4317] Change INode to support HDFS-4103

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Snapshot (HDFS-2802)
• Component/s: namenode
• Target Version/s: Snapshot (HDFS-2802)
• Hadoop Flags: Reviewed
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 16/Dec/12 10:04
• Updated: 17/Dec/12 13:29
• Resolved: 17/Dec/12 03:41

Description

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.

Issue Links

• is required by: HDFS-4103 Support O(1) snapshot creation