HDFS-7940. Add tracing to DFSClient#setQuotaByStorageType (Rakesh R via Colin P. McCabe)

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -756,6 +756,9 @@ Release 2.7.0 - UNRELEASED
     HDFS-2605. Remove redundant "Release 0.21.1" section from CHANGES.txt.
     (Allen Wittenauer via shv)
 
+    HDFS-7940. Add tracing to DFSClient#setQuotaByStorageType (Rakesh R via
+    Colin P. McCabe)
+
   OPTIMIZATIONS
 
     HDFS-7454. Reduce memory footprint for AclEntries in NameNode.

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java

@@ -3089,6 +3089,7 @@ void setQuotaByStorageType(String src, StorageType type, long quota)
       throw new IllegalArgumentException("Don't support Quota for storage type : "
         + type.toString());
     }
+    TraceScope scope = getPathTraceScope("setQuotaByStorageType", src);
     try {
       namenode.setQuota(src, HdfsConstants.QUOTA_DONT_SET, quota, type);
     } catch (RemoteException re) {
@@ -3097,6 +3098,8 @@ void setQuotaByStorageType(String src, StorageType type, long quota)
         QuotaByStorageTypeExceededException.class,
         UnresolvedPathException.class,
         SnapshotAccessControlException.class);
+    } finally {
+      scope.close();
     }
   }
   /**