[jira] [Created] (HDFS-9264) Minor cleanup of operations on FsVolumeList#volumes

[Walter Su (JIRA)]

Walter Su created HDFS-9264:
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             Summary: Minor cleanup of operations on FsVolumeList#volumes
                 Key: HDFS-9264
                 URL: https://issues.apache.org/jira/browse/HDFS-9264
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Walter Su
            Assignee: Walter Su
            Priority: Minor


We can use {{CopyOnWriteArrayList}} to simplify the operations on 
{{FsVolumeList#volumes}}



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