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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4209) Clean up FSDirectory and INode
Date Mon, 19 Nov 2012 02:08:58 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE updated HDFS-4209:
-----------------------------------------

    Attachment: h4209_20121118b.patch

h4209_20121118b.patch: remove UNKNOWN_DISK_SPACE and clean up INodeDirectoryWithQuota.
                
> 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
>            Priority: Minor
>         Attachments: h4209_20121118b.patch, h4209_20121118.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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