HDFS-14836. FileIoProvider should not increase FileIoErrors metric in datanode volume metric. Contributed by Aiphago.

Reviewed-by: He Xiaoqiao <hexiaoqiao@apache.org>
(cherry picked from commit 5dd859a8a0d038ff04acbb96741a215d6a0e8c29)

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/FileIoProvider.java

@@ -281,7 +281,10 @@ public class FileIoProvider {
           waitTime, transferTime);
       profilingEventHook.afterFileIo(volume, TRANSFER, begin, count);
     } catch (Exception e) {
-      onFailure(volume, begin);
+      String em = e.getMessage();
+      if (!em.startsWith("Broken pipe") && !em.startsWith("Connection reset")) {
+        onFailure(volume, begin);
+      }
       throw e;
     }
   }