[jira] [Updated] (HDFS-17492) [FGL] Abstract a INodeLockManager to manage acquiring and releasing locks in the directory-tree [I]

["ZanderXu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-17492?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ZanderXu updated HDFS-17492:
----------------------------
    Summary: [FGL] Abstract a INodeLockManager to manage acquiring and releasing locks in the directory-tree [I]  (was: [FGL] Abstract a INodeLockManager to manage acquiring and releasing locks in the directory-tree)

> [FGL] Abstract a INodeLockManager to manage acquiring and releasing locks in the directory-tree [I]
> ---------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-17492
>                 URL: https://issues.apache.org/jira/browse/HDFS-17492
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: ZanderXu
>            Assignee: ZanderXu
>            Priority: Major
>
> 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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