IREQ_ACTIVE
if (test_bit(IREQ_ACTIVE, &ireq->flags)) {
if (test_bit(IREQ_ACTIVE, &ireq->flags) &&
set_bit(IREQ_ACTIVE, &ireq->flags);
clear_bit(IREQ_ACTIVE, &ireq->flags);
set_bit(IREQ_ACTIVE, &ireq->flags);
set_bit(IREQ_ACTIVE, &ireq->flags);
set_bit(IREQ_ACTIVE, &ireq->flags);
if (!test_bit(IREQ_ACTIVE, &ireq->flags) ||