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https://issues.apache.org/jira/browse/HDFS-4209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13501551#comment-13501551
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Tsz Wo (Nicholas), SZE commented on HDFS-4209:
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> ... Mind adding a test case to TestFcHdfsSymlink for this?
Sure. Let me have the symlink fix and the test in HDFS-4216.
> Clean up FSDirectory and INode
> ------------------------------
>
> Key: HDFS-4209
> URL: https://issues.apache.org/jira/browse/HDFS-4209
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h4209_20121118b.patch, h4209_20121118.patch,
> h4209_20121119.patch
>
>
> - FSDirectory.addToParent(..) is only used by image loading so that
> synchronization, modification time update and space count update are not
> needed.
> - There are multiple places checking whether an inode is file by checking
> !isDirectory() && !isSymlink(). Let's add isFile() to INode.
> - In the addNode/addChild/addChildNoQuotaCheck methods, returning the same
> INode back is not useful. It is better to simply return a boolean to
> indicate whether the inode is added. Also, the value of childDiskspace
> parameter is always UNKNOWN_DISK_SPACE.
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