swamirishi commented on code in PR #7193:
URL: https://github.com/apache/ozone/pull/7193#discussion_r1767778178


##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/key/OMDirectoriesPurgeRequestWithFSO.java:
##########
@@ -66,19 +76,34 @@ public OMClientResponse validateAndUpdateCache(OzoneManager 
ozoneManager, TermIn
 
     List<OzoneManagerProtocolProtos.PurgePathRequest> purgeRequests =
             purgeDirsRequest.getDeletedPathList();
-
-    SnapshotInfo fromSnapshotInfo = null;
     Set<Pair<String, String>> lockSet = new HashSet<>();
     Map<Pair<String, String>, OmBucketInfo> volBucketInfoMap = new HashMap<>();
-    OMMetadataManager omMetadataManager = ozoneManager.getMetadataManager();
+    OmMetadataManagerImpl omMetadataManager = (OmMetadataManagerImpl) 
ozoneManager.getMetadataManager();
     Map<String, OmKeyInfo> openKeyInfoMap = new HashMap<>();
-
     OMMetrics omMetrics = ozoneManager.getMetrics();
+    OMResponse.Builder omResponse = OmResponseUtil.getOMResponseBuilder(
+        getOmRequest());
+    final SnapshotInfo fromSnapshotInfo;
     try {
-      if (fromSnapshot != null) {
-        fromSnapshotInfo = SnapshotUtils.getSnapshotInfo(ozoneManager, 
fromSnapshot);
+       fromSnapshotInfo = fromSnapshot != null ? 
SnapshotUtils.getSnapshotInfo(ozoneManager,
+          fromSnapshot) : null;
+      // Checking if this request is an old request or new one.
+      if (purgeDirsRequest.hasExpectedPreviousSnapshotID()) {
+        // Validating previous snapshot since while purging deletes, a 
snapshot create request could make this purge

Review Comment:
   Yeah let me write a test case for this.



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