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From "Chen Liang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-12304) Remove unused parameter from FsDatasetImpl#addVolume
Date Tue, 15 Aug 2017 18:11:02 GMT
Chen Liang created HDFS-12304:
---------------------------------

             Summary: Remove unused parameter from FsDatasetImpl#addVolume
                 Key: HDFS-12304
                 URL: https://issues.apache.org/jira/browse/HDFS-12304
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Chen Liang
            Assignee: Chen Liang
            Priority: Minor


FsDatasetImpl has this method
{code}
  private void addVolume(Collection<StorageLocation> dataLocations,
      Storage.StorageDirectory sd) throws IOException
{code}
Parameter {{dataLocations}} was introduced in HDFS-6740, this variable was used to get storage
type info. But HDFS-10637 has changed the way of getting storage type in this method, making
dataLocations no longer being used at all here. We should probably remove dataLocations for
a cleaner interface.



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