XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_storage, surf, "Logging specific to the SURF storage module");
-xbt_lib_t storage_lib;
-int MSG_STORAGE_LEVEL = -1; // Msg storage level
-int SURF_STORAGE_LEVEL = -1;
simgrid::surf::StorageModel* surf_storage_model = nullptr;
namespace simgrid {