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 e483e154c9eaabb1b9e25459c8e43c3d53756c42..9815493cea758cba73e48e113d2ac84ebbfa150d 100644 (file)
--- 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);