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https://issues.apache.org/jira/browse/HADOOP-6978?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Todd Lipcon updated HADOOP-6978:
--------------------------------

    Attachment: hadoop-6978.txt

Here's updated patch including Owen's fix to add AC_SYS_LARGEFILE (fstat.patch)

Also fixed a javadoc warning and added serialVersionUID fields to the exceptions

> Add JNI support for secure IO operations
> ----------------------------------------
>
>                 Key: HADOOP-6978
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6978
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: io, native, security
>    Affects Versions: 0.22.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Blocker
>             Fix For: 0.22.0
>
>         Attachments: fstat.patch, hadoop-6978.txt, hadoop-6978.txt, 
> hadoop-6978.txt
>
>
> In support of MAPREDUCE-2096, we need to add some JNI functionality. In 
> particular, we need the ability to use fstat() on an open file stream, and to 
> use open() with O_EXCL, O_NOFOLLOW, and without O_CREAT.

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