[HDFS-4432] Support INodeFileUnderConstructionWithSnapshot in FSImage saving/loading

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Snapshot (HDFS-2802)
• Component/s: datanode, namenode
• Hadoop Flags: Reviewed
• Assignee: Jing Zhao
• Reporter: Jing Zhao
• Created: 23/Jan/13 19:44
• Updated: 29/Jan/13 13:32
• Resolved: 28/Jan/13 23:27

Description

1. FSImage saver/loader need to be able to recognize INodeFileUnderConstruction, INodeFileUnderConstructionWithSnapshot, and INodeFileUnderConstructionSnapshot.

2. FSImage saver/loader should be able to form the correct circular linked list for INodeFileUnderConstruction(With)Snapshot.

3. Add new corresponding unit tests and support file appending in TestSnapshot#testSnapshot.