From 62ff4e36cfaac640b24e96ccf0f9449bd27c5941 Mon Sep 17 00:00:00 2001
From: ZanderXu <xuzengqiang5127@gmail.com>
Date: Mon, 10 Oct 2022 20:05:02 +0800
Subject: [PATCH] HDFS-16787. Remove the redundant lock in
 DataSetLockManager#removeLock (#4948). Contributed by ZanderXu.

Signed-off-by: He Xiaoqiao <hexiaoqiao@apache.org>
---
 .../apache/hadoop/hdfs/server/datanode/DataSetLockManager.java   | 1 -
 1 file changed, 1 deletion(-)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataSetLockManager.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataSetLockManager.java
index 1d59f87ab2..eac1259fb8 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataSetLockManager.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataSetLockManager.java
@@ -233,7 +233,6 @@ public void addLock(LockLevel level, String... resources) {
   public void removeLock(LockLevel level, String... resources) {
     String lockName = generateLockName(level, resources);
     try (AutoCloseDataSetLock lock = writeLock(level, resources)) {
-      lock.lock();
       lockMap.removeLock(lockName);
     }
   }