[HDFS-4152] Add a new class for the parameter in INode.collectSubtreeBlocksAndClear(..)

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.1.0-beta, 3.0.0-alpha1
• Fix Version/s: 2.1.0-beta
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Jing Zhao
• Reporter: Tsz-wo Sze
• Created: 06/Nov/12 04:45
• Updated: 12/May/16 18:15
• Resolved: 06/Nov/12 21:05

Description

INode.collectSubtreeBlocksAndClear(..) currently uses a list to collect blocks for deletion. It cannot be extended to support other operation like updating the block-map. We propose to add a new class to encapsulate the abstraction.

Issue Links

• relates to: HDFS-2802 Support for RW/RO snapshots in HDFS