DiskChecker#mkdirsWithExistsAndPermissionCheck may return true even when the
dir is not created
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Key: HDFS-2117
URL: https://issues.apache.org/jira/browse/HDFS-2117
Project: Hadoop HDFS
Issue Type: Bug
Components: data-node
Affects Versions: 0.20.203.1
Reporter: Eli Collins
Assignee: Eli Collins
Priority: Minor
Attachments: hdfs-2117-1.patch
In branch-0.20-security as part of HADOOP-6566,
DiskChecker#mkdirsWithExistsAndPermissionCheck will return true even if it
wasn't able to create the directory, which means instead of throwing a
DiskErrorException the code will proceed to getFileStatus and throw a FNF
exception. Post HADOOP-7040, which modified makeInstance to catch not just
DiskErrorExceptions but IOExceptions as well, this is not an issue since now
the exception is caught either way. But for future modifications we should
still modify this method to return false if it was unable to create the
directory. This code is totally different in trunk, so not an issue there.
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