IFSQ_STAGE_FLAG_SCHED
stage->stg_flags &= ~(IFSQ_STAGE_FLAG_QUED | IFSQ_STAGE_FLAG_SCHED);
(IFSQ_STAGE_FLAG_QUED | IFSQ_STAGE_FLAG_SCHED)) == 0);
stage->stg_flags |= IFSQ_STAGE_FLAG_SCHED;
if (!start && (stage->stg_flags & IFSQ_STAGE_FLAG_SCHED)) {
if (stage->stg_flags & IFSQ_STAGE_FLAG_SCHED)
(IFSQ_STAGE_FLAG_QUED | IFSQ_STAGE_FLAG_SCHED)) == 0);