for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++)
top->merge_blktrace_scalars[i].u.i = __cpu_to_le64(fio_double_to_uint64(o->merge_blktrace_scalars[i].u.f));
for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++)
top->merge_blktrace_scalars[i].u.i = __cpu_to_le64(fio_double_to_uint64(o->merge_blktrace_scalars[i].u.f));