From e97f8e44af9dffc42c030278425cffe0c9da723b Mon Sep 17 00:00:00 2001
From: Arun Suresh <asuresh@apache.org>
Date: Fri, 27 Mar 2015 19:23:45 -0700
Subject: [PATCH] HDFS-8004. Use KeyProviderCryptoExtension#warmUpEncryptedKeys
 when creating an encryption zone. (awang via asuresh)

---
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt                    | 3 +++
 .../org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java   | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index 72ea4fb651..af1dd600cf 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -344,6 +344,9 @@ Release 2.8.0 - UNRELEASED
 
     HDFS-7990. IBR delete ack should not be delayed. (daryn via kihwal)
 
+    HDFS-8004. Use KeyProviderCryptoExtension#warmUpEncryptedKeys when creating
+    an encryption zone. (awang via asuresh)
+
   OPTIMIZATIONS
 
   BUG FIXES
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 1226a26929..d0999b8f46 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
@@ -7957,7 +7957,7 @@ void createEncryptionZone(final String src, final String keyName,
         throw new IOException("Key " + keyName + " doesn't exist.");
       }
       // If the provider supports pool for EDEKs, this will fill in the pool
-      generateEncryptedDataEncryptionKey(keyName);
+      provider.warmUpEncryptedKeys(keyName);
       createEncryptionZoneInt(src, metadata.getCipher(),
           keyName, logRetryCache);
     } catch (AccessControlException e) {