[jira] [Created] (HDFS-6330) Move mkdir() to FSNamesystem

[Haohui Mai (JIRA)]

Haohui Mai created HDFS-6330:
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             Summary: Move mkdir() to FSNamesystem
                 Key: HDFS-6330
                 URL: https://issues.apache.org/jira/browse/HDFS-6330
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Haohui Mai
            Assignee: Haohui Mai


Currently mkdir() automatically creates all ancestors for a directory. This is 
implemented in FSDirectory, by calling unprotectedMkdir() along the path. This 
jira proposes to move the function to FSNamesystem to simplify the primitive 
that FSDirectory needs to provide.



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