osd_types: update_snaps should take a const argument

Signed-off-by: Samuel Just <sjust@redhat.com>

diff --git a/src/osd/osd_types.h b/src/osd/osd_types.h
index a6373d65538ff22a3aea7bc95b07096b9cff17e9..5ad195c6cfe4b91611de3d4b2785a09809dfffb9 100644 (file)
--- a/src/osd/osd_types.h
+++ b/src/osd/osd_types.h
@@ -2691,7 +2691,7 @@ public:
     append_id(CREATE);
     ENCODE_FINISH(bl);
   }
-  void update_snaps(set<snapid_t> &old_snaps) {
+  void update_snaps(const set<snapid_t> &old_snaps) {
     if (!can_local_rollback || rollback_info_completed)
       return;
     ENCODE_START(1, 1, bl);