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https://issues.apache.org/jira/browse/HDFS-7104?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhe Zhang updated HDFS-7104:
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Attachment: HDFS-7104-20140923-v3.patch
Removing v2 patch to get v3 into Jenkins sooner. Thanks [~jingzhao] for the
suggestion; v3 patch changed the method name back to {{getINodes()}} and
expanded javadoc.
> Fix and clarify INodeInPath getter functions
> --------------------------------------------
>
> Key: HDFS-7104
> URL: https://issues.apache.org/jira/browse/HDFS-7104
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Zhe Zhang
> Assignee: Zhe Zhang
> Priority: Minor
> Attachments: HDFS-7104-20140923-v1.patch, HDFS-7104-20140923-v3.patch
>
>
> inodes is initialized with the number of patch components. After resolve, it
> contains both non-null and null elements (introduced by dot-snapshot dirs).
> When getINodes is called, an array is returned excluding all non elements,
> which is the correct behavior. Meanwhile, the inodes array is trimmed too,
> which shouldn't be done by a getter.
> Because of the above, the behavior of getINodesInPath depends on whether
> getINodes has been called, which is not correct.
> The name of getLastINodeInPath is confusing – it actually returns the last
> non-null inode in the path. Also, shouldn't the return type be a single INode?
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