+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)");
+
+simgrid::kernel::activity::IoImplPtr SIMIX_io_start(std::string name, sg_size_t size, sg_storage_t storage)
+{
+ /* set surf's action */
+ simgrid::kernel::resource::Action* surf_action = storage->pimpl_->io_start(size);