[jira] [Resolved] (HDFS-4686) Fix quota computation for rename with snapshots

["Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-4686?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tsz Wo (Nicholas), SZE resolved HDFS-4686.
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       Resolution: Fixed
    Fix Version/s: Snapshot (HDFS-2802)

I have committed this.  Thanks, Jing!
                
> Fix quota computation for rename with snapshots
> -----------------------------------------------
>
>                 Key: HDFS-4686
>                 URL: https://issues.apache.org/jira/browse/HDFS-4686
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>             Fix For: Snapshot (HDFS-2802)
>
>         Attachments: HDFS-4686.001.patch, HDFS-4686.001.patch, HDFS-4686.002.patch, HDFS-4686.003.patch
>
>
> Currently after a rename operation within/from a snapshottable directory, a reference node is created in both src and dst subtree, pointing to the original renamed inode. With this change the original quota computation may count the quota usage of the renamed subtree multiple times. This jira tries to fix this issue.

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