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https://issues.apache.org/jira/browse/HDFS-4947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jing Zhao updated HDFS-4947:
----------------------------

    Attachment: HDFS-4947.000.patch

Initial patch for review. The current patch

1. adds two new classes AccessPrivilege and ClientHostsMatcher for loading and 
checking the mapping between client hosts and their access privileges. These 
two classes are directly copied from [~brocknoland]'s NFS4 implementation.

2. add the access check (based on the export) to NFS3 procedures.

Will add some unit tests later.
                
> Add NFS server export table to control export by hostname or IP range
> ---------------------------------------------------------------------
>
>                 Key: HDFS-4947
>                 URL: https://issues.apache.org/jira/browse/HDFS-4947
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: nfs
>    Affects Versions: 3.0.0
>            Reporter: Brandon Li
>            Assignee: Jing Zhao
>         Attachments: HDFS-4947.000.patch
>
>


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