@InterfaceAudience.Private
  boolean checkInitialized(String operation) {
    if (initialized) {
      if (aclTableInitialized) {
        return true;
      } else {
        LOG.warn("Skip set HDFS acls because acl table is not initialized when {}", operation);
      }
    }
    return false;
  }
Check if user global/namespace/table HDFS acls is already set
hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/SnapshotScannerHDFSAclController.java