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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4124) Refactor INodeDirectory#getExistingPathINodes() to enable returning more than INode array
Date Mon, 29 Oct 2012 05:15:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13485837#comment-13485837
] 

Jing Zhao commented on HDFS-4124:
---------------------------------

We may want to include a number indicating the actual number of elements in INodesInPath.
Currently in every place that calls getExistingPathINodes, the capacity of INodesInPath's
INode array is always <= the size of components, thus to implement INodesInPath without
the number seems fine. (However, based on the logic in getExistingPathINodes, the capacity
of INodesInPath is allowed to be larger than the size of components. Thus I guess we may add
this number later or in the snapshot branch first.)
                
> Refactor INodeDirectory#getExistingPathINodes() to enable returning more than INode array
> -----------------------------------------------------------------------------------------
>
>                 Key: HDFS-4124
>                 URL: https://issues.apache.org/jira/browse/HDFS-4124
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>    Affects Versions: 3.0.0
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>            Priority: Minor
>         Attachments: HDFS-INodeDirecotry.trunk.001.patch, HDFS-INodeDirecotry.trunk.002.patch
>
>
> Currently INodeDirectory#getExistingPathINodes() uses an INode array to return the INodes
resolved from the given path. For snapshot we need the function to be able to return more
information when resolving a path for a snapshot file/dir. 

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