[HDFS-5654] Add lock context support to FSNamesystemLock

• Type: Sub-task
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.0.0-alpha, 3.0.0-alpha1
• Component/s: namenode
• Labels: BB2015-05-TBR
• Assignee: Daryn Sharp
• Reporter: Daryn Sharp
• Created: 11/Dec/13 17:06
• Updated: 12/May/16 18:14

Description

Supporting new methods of locking the namesystem, ie. coarse or fine-grain, needs an api to manage the locks (or any object conforming to Lock interface) held during access to the namespace.