From: Jianpeng Ma <jianpeng.ma@intel.com>
Date: Tue, 7 Sep 2021 02:14:52 +0000 (+0800)
Subject: librbd/cache/pwl/ssd: Remove useless locks.
X-Git-Tag: v16.2.7~50^2~17
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=f6efc55fb45c5a9aa0ca616c90b5e5e9043cedbf;p=ceph.git

librbd/cache/pwl/ssd: Remove useless locks.

Return a reference don't need by lock protect.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
(cherry picked from commit ca9eb28b4f249725e3ecae328fbf8076c648819a)
---

diff --git a/src/librbd/cache/pwl/ssd/LogEntry.cc b/src/librbd/cache/pwl/ssd/LogEntry.cc
index 02bc2bee6325..71f77f550317 100644
--- a/src/librbd/cache/pwl/ssd/LogEntry.cc
+++ b/src/librbd/cache/pwl/ssd/LogEntry.cc
@@ -21,7 +21,6 @@ void WriteLogEntry::init_cache_bl(
 }
 
 buffer::list& WriteLogEntry::get_cache_bl() {
-  std::lock_guard locker(m_entry_bl_lock);
   return cache_bl;
 }