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https://issues.apache.org/jira/browse/HDFS-7469?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haohui Mai updated HDFS-7469:
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Attachment: HDFS-7469.003.patch
> Inline permission checking done by FSPermissionChecker#checkSubAccess
> ---------------------------------------------------------------------
>
> Key: HDFS-7469
> URL: https://issues.apache.org/jira/browse/HDFS-7469
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Haohui Mai
> Assignee: Haohui Mai
> Attachments: HDFS-7469.000.patch, HDFS-7469.001.patch,
> HDFS-7469.002.patch, HDFS-7469.003.patch
>
>
> {{FSPermissionChecker#checkSubAccess}} is used by {{getContentSummary()}} and
> {{computeSnapshotDiff()}} to validate the permission of the entire subtree
> through BFS.
> As these two calls traverse subtrees to compute the result, the permission
> checking should be done during the same traversal.
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