Add states for journal synchronization in journal daemon
--------------------------------------------------------
Key: HDFS-3178
URL: https://issues.apache.org/jira/browse/HDFS-3178
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Tsz Wo (Nicholas), SZE
Assignee: Tsz Wo (Nicholas), SZE
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators:
https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira
