HDFS-16078. Remove unused parameters for DatanodeManager.handleLifeline() (#3119). Contributed by tomscut.

Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>
Signed-off-by: Ayush Saxena <ayushsaxena@apache.org>

hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java

@@ -1876,18 +1876,16 @@ public class DatanodeManager {
    *
    * @param nodeReg registration info for DataNode sending the lifeline
    * @param reports storage reports from DataNode
-   * @param blockPoolId block pool ID
    * @param cacheCapacity cache capacity at DataNode
    * @param cacheUsed cache used at DataNode
    * @param xceiverCount estimated count of transfer threads running at DataNode
-   * @param maxTransfers count of transfers running at DataNode
    * @param failedVolumes count of failed volumes at DataNode
    * @param volumeFailureSummary info on failed volumes at DataNode
    * @throws IOException if there is an error
    */
   public void handleLifeline(DatanodeRegistration nodeReg,
-      StorageReport[] reports, String blockPoolId, long cacheCapacity,
-      long cacheUsed, int xceiverCount, int maxTransfers, int failedVolumes,
+      StorageReport[] reports, long cacheCapacity,
+      long cacheUsed, int xceiverCount, int failedVolumes,
       VolumeFailureSummary volumeFailureSummary) throws IOException {
     if (LOG.isDebugEnabled()) {
       LOG.debug("Received handleLifeline from nodeReg = " + nodeReg);

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

@@ -4416,9 +4416,8 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
       long cacheCapacity, long cacheUsed, int xceiverCount, int xmitsInProgress,
       int failedVolumes, VolumeFailureSummary volumeFailureSummary)
       throws IOException {
-    int maxTransfer = blockManager.getMaxReplicationStreams() - xmitsInProgress;
     blockManager.getDatanodeManager().handleLifeline(nodeReg, reports,
-        getBlockPoolId(), cacheCapacity, cacheUsed, xceiverCount, maxTransfer,
+        cacheCapacity, cacheUsed, xceiverCount,
         failedVolumes, volumeFailureSummary);
   }