ZanderXu created HDFS-17492:
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Summary: [FGL] Abstract a INodeLockManager to mange acquiring and
releasing locks in the directory-tree
Key: HDFS-17492
URL: https://issues.apache.org/jira/browse/HDFS-17492
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: ZanderXu
Assignee: ZanderXu
Abstract a INodeLockManager to mange acquiring and releasing locks in the
directory-tree.
# Abstract a lock type to cover all cases in NN
# Acquire the full path lock for the input path base on the input lock type
# Acquire the full path lock for the input iNodeId base on the input lock type
# Acquire the full path lock for some input paths, such as for rename, concat
INodeLockManager should returns an IIP which contains both iNodes and locks.
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