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https://issues.apache.org/jira/browse/HDFS-4464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13569326#comment-13569326
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Jing Zhao commented on HDFS-4464:
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The name of deleteSubtreeAndCollectBlocks may be a little bit of confusing,
since when the parameter snapshot is null the function is more like a
destructor of the subtree. Maybe we can rename the function and make its
javadoc more clear.
Besides of that +1 for the patch.
> Combine collectSubtreeBlocksAndClear with deleteDiffsForSnapshot
> ----------------------------------------------------------------
>
> Key: HDFS-4464
> URL: https://issues.apache.org/jira/browse/HDFS-4464
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h4464_20120201.patch
>
>
> Both collectSubtreeBlocksAndClear and deleteDiffsForSnapshot are recursive
> methods for deleting inodes and collecting blocks for further block
> deletion/update.
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