[HDFS-4700] Fix the undo section of rename with snapshots

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: Snapshot (HDFS-2802)
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Jing Zhao
• Reporter: Jing Zhao
• Created: 15/Apr/13 22:18
• Updated: 17/Apr/13 13:15
• Resolved: 16/Apr/13 22:08

Description

If a rename operation fails in the middle, the current undo section does not clear the diff list. This jira aims to fix the undo logic and adds corresponding unit tests.