string_to_cpu(&o->read_iolog_file, top->read_iolog_file);
string_to_cpu(&o->write_iolog_file, top->write_iolog_file);
string_to_cpu(&o->bw_log_file, top->bw_log_file);
string_to_cpu(&o->read_iolog_file, top->read_iolog_file);
string_to_cpu(&o->write_iolog_file, top->write_iolog_file);
string_to_cpu(&o->bw_log_file, top->bw_log_file);