HDFS-15518. Wrong operation name in FsNamesystem for listSnapshots. (apache#2217)

* HDFS-15518. Fixed String operationName = ListSnapshot.

* HDFS-15518. Changed ListSnapshot to operationName.

Co-authored-by: Aryan Gupta <[email protected]>
(cherry picked from commit e592ec5)
Change-Id: I79561a349b7286d2390529812dd7079aee31f7b2

Author: 2 people

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java

@@ -6796,7 +6796,7 @@ public SnapshottableDirectoryStatus[] getSnapshottableDirListing()
    */
   public SnapshotStatus[] getSnapshotListing(String snapshotRoot)
       throws IOException {
-    final String operationName = "listSnapshotDirectory";
+    final String operationName = "ListSnapshot";
     SnapshotStatus[] status;
     checkOperation(OperationCategory.READ);
     boolean success = false;
@@ -6813,10 +6813,10 @@ public SnapshotStatus[] getSnapshotListing(String snapshotRoot)
         readUnlock(operationName);
       }
     } catch (AccessControlException ace) {
-      logAuditEvent(success, "listSnapshots", snapshotRoot);
+      logAuditEvent(success, operationName, snapshotRoot);
       throw ace;
     }
-    logAuditEvent(success, "listSnapshots", snapshotRoot);
+    logAuditEvent(success, operationName, snapshotRoot);
     return status;
   }
   /**