TASKQ_CHANGING
ASSERT(tq->tq_flags & TASKQ_CHANGING);
ASSERT(tq->tq_flags & TASKQ_CHANGING);
if (tq->tq_flags & TASKQ_CHANGING) {
tq->tq_flags &= ~TASKQ_CHANGING;
tq->tq_flags &= ~TASKQ_CHANGING;
tq->tq_flags = flags | TASKQ_CHANGING;
tq->tq_flags |= TASKQ_CHANGING;
tq->tq_flags |= TASKQ_CHANGING;