[HDFS-16534] Split datanode block pool locks to volume grain.

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: datanode
• Labels: pull-request-available
• Hadoop Flags: Reviewed
• Flags: Important
• Assignee: Mingxiang Li
• Reporter: Mingxiang Li
• Created: 09/Apr/22 08:44
• Updated: 21/Jan/24 12:20
• Resolved: 17/Apr/22 11:25

Description

 This is sub task of HDFS-15382. https://issues.apache.org/jira/browse/HDFS-15180 have split lock to block pool grain and do some prepare.This pr is the last part of volume lock.

Issue Links

• relates to: HDFS-16855 Remove the redundant write lock in addBlockPool
• links to: GitHub Pull Request #4141