mds: simplify method definition

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

diff --git a/src/mds/SessionMap.h b/src/mds/SessionMap.h
index 5c891dbf2e3c14a1b0abd430554ce37ef9d2ecae..0c3bcc5c6d53ef265759e398a2693d8ed660b116 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;
   }