From: Jianpeng Ma <jianpeng.ma@intel.com>
Date: Wed, 1 Apr 2020 07:47:46 +0000 (+0800)
Subject: common/Throttle: Don't lock for atomic type update.
X-Git-Tag: v16.1.0~2663^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=bdde3a8bb5f627cabc6f7aab81a61be4764e54f1;p=ceph.git

common/Throttle: Don't lock for atomic type update.

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
---

diff --git a/src/common/Throttle.cc b/src/common/Throttle.cc
index e483e154c9ea..9815493cea75 100644
--- a/src/common/Throttle.cc
+++ b/src/common/Throttle.cc
@@ -141,10 +141,7 @@ int64_t Throttle::take(int64_t c)
   }
   ceph_assert(c >= 0);
   ldout(cct, 10) << "take " << c << dendl;
-  {
-    std::lock_guard l(lock);
-    count += c;
-  }
+  count += c;
   if (logger) {
     logger->inc(l_throttle_take);
     logger->inc(l_throttle_take_sum, c);