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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4148) Disallow write/modify operations on files and directories in a snapshot
Date Thu, 15 Nov 2012 23:11:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13498430#comment-13498430

Suresh Srinivas commented on HDFS-4148:

bq. > if this is to add method ensureNotInROSnapshot(INodesInPath) in all the modification
related calls, I think getXAndEnsureMutable is cleaner.
bq. I disagree, but reasonable people can disagree.
I actually prefer the name getMutableX variant. I think long method names should not be used
as substitute for javadoc which describes functionality. My preference is to either stick
to getXYZMutable or getMutableXYZ.

>  Disallow write/modify operations on files and directories in a snapshot
> ------------------------------------------------------------------------
>                 Key: HDFS-4148
>                 URL: https://issues.apache.org/jira/browse/HDFS-4148
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>    Affects Versions: Snapshot (HDFS-2802)
>            Reporter: Brandon Li
>            Assignee: Brandon Li
>             Fix For: Snapshot (HDFS-2802)
>         Attachments: HDFS-4148.patch, HDFS-4148.patch, HDFS-4148.patch, HDFS-4148.patch,
> disallow modification on RO snapshots, including create, append, setReplication/Permission/Owner,
rename, delete, makedir, setQuota/Time, createSymlink. 

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