Prevent renaming a symlink to it's target
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Key: HDFS-1088
URL: https://issues.apache.org/jira/browse/HDFS-1088
Project: Hadoop HDFS
Issue Type: Bug
Components: name-node
Reporter: Eli Collins
Assignee: Eli Collins
Here's the HDFS side of HADOOP-6563:
* Small bug fix for renaming a symlink to it's target
* Hdfs#getFileBlockLocations needs to use getUriPath() to ensure an absolute
path is passed in. See minor change to INode#getPathNames, which now asserts
instead of returning null and causing NPEs. This was exposed via calling
FileContext#getFileBlockLocations using a symlink.
* Comment in FSImage around symlinks and image loading
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