Pass-by-reference instead of pointer.

include/storage/io.hpp

@@ -122,7 +122,6 @@ class FileReader
         {
             while (std::getline(input_stream, thisline))
             {
-                std::clog << "Read " << thisline << std::endl;
                 result.push_back(thisline);
             }
         }

include/storage/shared_datatype.hpp

@@ -142,7 +142,7 @@ struct DataLayout
     }
 
     template <typename T, bool WRITE_CANARY = false>
-    inline T *GetBlockPtr(char *shared_memory, BlockID bid)
+    inline T *GetBlockPtr(char *shared_memory, BlockID bid) const
     {
         T *ptr = (T *)(shared_memory + GetBlockOffset(bid));
         if (WRITE_CANARY)

include/storage/storage.hpp

@@ -53,8 +53,8 @@ class Storage
 
     ReturnCode Run(int max_wait);
 
-    void LoadLayout(DataLayout *layout);
-    void LoadData(DataLayout *layout_ptr, char *memory_ptr);
+    void PopulateLayout(DataLayout &layout);
+    void PopulateData(const DataLayout &layout, char *memory_ptr);
 
   private:
     StorageConfig config;