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From ka...@apache.org
Subject [38/50] [abbrv] hadoop git commit: HDFS-7517. Remove redundant non-null checks in FSNamesystem#getBlockLocations. Contributed by Haohui Mai.
Date Mon, 15 Dec 2014 18:36:29 GMT
HDFS-7517. Remove redundant non-null checks in FSNamesystem#getBlockLocations. Contributed
by Haohui Mai.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/46612c7a
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/46612c7a
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/46612c7a

Branch: refs/heads/YARN-2139
Commit: 46612c7a5135d20b20403780b47dd00654aab057
Parents: 3681de2
Author: Haohui Mai <wheat9@apache.org>
Authored: Fri Dec 12 11:51:17 2014 -0800
Committer: Haohui Mai <wheat9@apache.org>
Committed: Fri Dec 12 11:51:17 2014 -0800

----------------------------------------------------------------------
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt                      | 3 +++
 .../org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java     | 4 ----
 2 files changed, 3 insertions(+), 4 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/46612c7a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 5977ed7..9cd5b05 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -579,6 +579,9 @@ Release 2.7.0 - UNRELEASED
     HDFS-7497. Inconsistent report of decommissioning DataNodes between
     dfsadmin and NameNode webui. (Yongjun Zhang via wang)
 
+    HDFS-7517. Remove redundant non-null checks in FSNamesystem#
+    getBlockLocations. (wheat9)
+
 Release 2.6.1 - UNRELEASED
 
   INCOMPATIBLE CHANGES

http://git-wip-us.apache.org/repos/asf/hadoop/blob/46612c7a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
index c17c4f5..5dd5920 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
@@ -1782,10 +1782,6 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
 
     logAuditEvent(true, "open", src);
 
-    if (res == null) {
-      return null;
-    }
-
     if (res.updateAccessTime()) {
       writeLock();
       final long now = now();


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