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From "Charles Lamb (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6375) Listing extended attributes with the search permission
Date Mon, 26 May 2014 18:46:03 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Charles Lamb updated HDFS-6375:

    Attachment: HDFS-6375.9.patch

Thanks for the comments Andrew. The .9 patch fixes the indentation issue (I don't know how
that one snuck by me) and adds the two paranoia tests.

I'm not sure how to do the DFSClient Map.keySet -> List trick in JSonUtil since what we
have is an array of Map's, where each Map maps strings to strings. For each Map we lookup
the "name" attribute and that yields the xattr name. If it were a single Map, then I think
we could do the same thing, but it's multiple maps. But maybe I'm misunderstanding what you're

> Listing extended attributes with the search permission
> ------------------------------------------------------
>                 Key: HDFS-6375
>                 URL: https://issues.apache.org/jira/browse/HDFS-6375
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 3.0.0
>            Reporter: Andrew Wang
>            Assignee: Charles Lamb
>         Attachments: HDFS-6375.1.patch, HDFS-6375.2.patch, HDFS-6375.3.patch, HDFS-6375.4.patch,
HDFS-6375.5.patch, HDFS-6375.6.patch, HDFS-6375.7.patch, HDFS-6375.8.patch, HDFS-6375.9.patch
> From the attr(5) manpage:
> {noformat}
>        Users with search access to a file or directory may retrieve a list  of
>        attribute names defined for that file or directory.
> {noformat}
> This is like doing {{getfattr}} without the {{-d}} flag, which we currently don't support.

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