osd/PG.h: move shared ptr instead of copying it

When we move newmap into osdmap_ref we prevent unnecessary increase
and decrease of reference count when newmap goes out of scope.

Signed-off-by: Michal Jarzabek <stiopa@gmail.com>

diff --git a/src/osd/PG.h b/src/osd/PG.h
index 1cf85d225866d52d9e5e8ac2c9c4418c30d5d021..c3fb92759d8968de6a85d29ad7e5f9f6fd0e0fbf 100644 (file)
--- a/src/osd/PG.h
+++ b/src/osd/PG.h
@@ -226,7 +226,7 @@ protected:
   void update_osdmap_ref(OSDMapRef newmap) {
     assert(_lock.is_locked_by_me());
     Mutex::Locker l(map_lock);
-    osdmap_ref = newmap;
+    osdmap_ref = std::move(newmap);
   }
 
   OSDMapRef get_osdmap_with_maplock() const {