Move block management code to a package
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Key: HDFS-2107
URL: https://issues.apache.org/jira/browse/HDFS-2107
Project: Hadoop HDFS
Issue Type: Sub-task
Components: name-node
Reporter: Tsz Wo (Nicholas), SZE
Assignee: Tsz Wo (Nicholas), SZE
In namenode, everything (except metrics) is in
{{org.apache.hadoop.hdfs.server.namenode}}. Let's create a package for block
management.
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