MTIP_DDF_WRITE_PROTECT_BIT
else if (test_bit(MTIP_DDF_WRITE_PROTECT_BIT, &dd->dd_flag))
set_bit(MTIP_DDF_WRITE_PROTECT_BIT, &dd->dd_flag);
if (test_bit(MTIP_DDF_WRITE_PROTECT_BIT, &dd->dd_flag) &&
set_bit(MTIP_DDF_WRITE_PROTECT_BIT, &dd->dd_flag);
(1 << MTIP_DDF_WRITE_PROTECT_BIT) |