string_to_cpu(&o->opendir, top->opendir);
string_to_cpu(&o->ioengine, top->ioengine);
string_to_cpu(&o->mmapfile, top->mmapfile);
string_to_cpu(&o->opendir, top->opendir);
string_to_cpu(&o->ioengine, top->ioengine);
string_to_cpu(&o->mmapfile, top->mmapfile);