mds: simplify method definition

Signed-off-by: Patrick Donnelly <pdonnell@redhat.com>
(cherry picked from commit 42ac34736a7ccc8317982e602c33b30fa5225c21)

diff --git a/src/mds/SessionMap.h b/src/mds/SessionMap.h
index 6fcd15422a8501f6ce9fdab395bd780ca4784adb..e194468ce496ec6b1569348b61104088f7197b2a 100644 (file)
--- a/src/mds/SessionMap.h
+++ b/src/mds/SessionMap.h
@@ -601,8 +601,7 @@ public:
   // sessions
   void decode_legacy(bufferlist::const_iterator& blp) override;
   bool empty() const { return session_map.empty(); }
-  const ceph::unordered_map<entity_name_t, Session*>& get_sessions() const
-  {
+  const auto& get_sessions() const {
     return session_map;
   }