HDFS-8004. Use KeyProviderCryptoExtension#warmUpEncryptedKeys when creating an encryption zone. (awang via asuresh)

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

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

@@ -7957,7 +7957,7 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
         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) {