mds: avoid unnecessary copy of entity_addrvec_t

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>

diff --git a/src/mds/MDSMap.h b/src/mds/MDSMap.h
index 508bcb38cf944e5b757f54e05291011e4597e41b..b1527f32f0c304fec235202f038b1e0eca6d5bcc 100644 (file)
--- a/src/mds/MDSMap.h
+++ b/src/mds/MDSMap.h
@@ -120,7 +120,7 @@ public:
     bool laggy() const { return !(laggy_since == utime_t()); }
     void clear_laggy() { laggy_since = utime_t(); }
 
-    entity_addrvec_t get_addrs() const {
+    const entity_addrvec_t& get_addrs() const {
       return addrs;
     }