common/hobject: add is_degenerate method

Signed-off-by: Samuel Just <sam.just@inktank.com>

diff --git a/src/common/hobject.h b/src/common/hobject.h
index e483b664347d307113f74865d09579d8ad77a810..0a140c3089b81f9a1be072014e5ca11f2e96a8eb 100644 (file)
--- a/src/common/hobject.h
+++ b/src/common/hobject.h
@@ -251,6 +251,10 @@ public:
       return get_filestore_key_u32();
   }
 
+  bool is_degenerate() const {
+    return generation == NO_GEN && shard_id == NO_SHARD;
+  }
+
   // maximum sorted value.
   static ghobject_t get_max() {
     ghobject_t h(hobject_t::get_max());