Brandon Li created HDFS-5104:
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Summary: Support dotdot name in NFS LOOKUP operation
Key: HDFS-5104
URL: https://issues.apache.org/jira/browse/HDFS-5104
Project: Hadoop HDFS
Issue Type: Sub-task
Components: nfs
Affects Versions: 3.0.0
Reporter: Brandon Li
Assignee: Brandon Li
Procedure LOOKUP searches a directory for a specific name and returns the file
handle for the corresponding file system object. NFS client sets filename as
".." to get the parent directory information.
Currently ".." is considered invalid name component. We only allow ".." when
the path is an inodeID path as "/.reserved/.inodes/.."
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