[GitHub] flink pull request #5572: [FLINK-8694][runtime] Fix notifyDataAvailable race...

[NicoK]

Github user NicoK commented on a diff in the pull request:

    https://github.com/apache/flink/pull/5572#discussion_r170560655
  
    --- Diff: 
flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/PipelinedSubpartition.java
 ---
    @@ -48,6 +48,8 @@
        /** Flag indicating whether the subpartition has been finished. */
        private boolean isFinished;
     
    +   private boolean flushRequested;
    --- End diff --
    
    add `@GuardedBy("buffers")`?


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