Cleanup FS* processIOError methods
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Key: HDFS-2701
URL: https://issues.apache.org/jira/browse/HDFS-2701
Project: Hadoop HDFS
Issue Type: Improvement
Components: name-node
Affects Versions: 0.20.205.0
Reporter: Eli Collins
Assignee: Eli Collins
Fix For: 1.1.0
Let's rename the various "processIOError" methods to be more descriptive. The
current code makes it difficult to identify and reason about bug fixes. While
we're at it let's remove "Fatal" from the "Unable to sync the edit log" log
since it's not actually a fatal error (this is confusing to users). And 2NN
"Checkpoint done" should be info, not a warning (also confusing to users).
Thanks to HDFS-1073 these issues don't exist on trunk or 23.
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