DMZ_META_ERROR
set_bit(DMZ_META_ERROR, &mblk->state);
if (test_bit(DMZ_META_ERROR, &mblk->state)) {
if (test_bit(DMZ_META_ERROR, &mblk->state)) {
if (test_bit(DMZ_META_ERROR, &mblk->state)) {
clear_bit(DMZ_META_ERROR, &mblk->state);