Binglin Chang created HDFS-4165:
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Summary: Faulty sanity check in FsDirectory.unprotectedSetQuota
Key: HDFS-4165
URL: https://issues.apache.org/jira/browse/HDFS-4165
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Binglin Chang
Priority: Trivial
According to the documentation:
The quota can have three types of values : (1) 0 or more will set
the quota to that value, (2) {@link HdfsConstants#QUOTA_DONT_SET} implies
the quota will not be changed, and (3) {@link HdfsConstants#QUOTA_RESET}
implies the quota will be reset. Any other value is a runtime error.
sanity check in FsDirectory.unprotectedSetQuota should use
{code}
nsQuota != HdfsConstants.QUOTA_RESET
{code}
rather than
{code}
nsQuota < HdfsConstants.QUOTA_RESET
{code}
Since HdfsConstants.QUOTA_RESET is defined to be -1, there is not any problem
for this code, but it is better to do it right.
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