From: Piotr Dałek <piotr.dalek@corp.ovh.com>
Date: Tue, 20 Feb 2018 13:47:02 +0000 (+0100)
Subject: common/TrackedOp: use emplace_back
X-Git-Tag: v13.0.2~146^2~5
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=884154013c5e527cd3235a00aa4da1e540ce38df;p=ceph.git

common/TrackedOp: use emplace_back

Replace push_back with explicit constructor with push_back for
minor perf increase.

Signed-off-by: Piotr Dałek <piotr.dalek@corp.ovh.com>
---

diff --git a/src/common/TrackedOp.cc b/src/common/TrackedOp.cc
index 2948bfe0e967..7653673948d9 100644
--- a/src/common/TrackedOp.cc
+++ b/src/common/TrackedOp.cc
@@ -434,7 +434,7 @@ void TrackedOp::mark_event_string(const string &event, utime_t stamp)
 
   {
     Mutex::Locker l(lock);
-    events.push_back(Event(stamp, event));
+    events.emplace_back(stamp, event);
     current = events.back().c_str();
   }
   dout(6) << " seq: " << seq
@@ -452,7 +452,7 @@ void TrackedOp::mark_event(const char *event, utime_t stamp)
 
   {
     Mutex::Locker l(lock);
-    events.push_back(Event(stamp, event));
+    events.emplace_back(stamp, event);
     current = event;
   }
   dout(6) << " seq: " << seq
diff --git a/src/common/TrackedOp.h b/src/common/TrackedOp.h
index 0994f2fb1204..d14b2e03162e 100644
--- a/src/common/TrackedOp.h
+++ b/src/common/TrackedOp.h
@@ -332,7 +332,7 @@ public:
 
   void tracking_start() {
     if (tracker->register_inflight_op(this)) {
-      events.push_back(Event(initiated_at, "initiated"));
+      events.emplace_back(initiated_at, "initiated");
       state = STATE_LIVE;
     }
   }