SCX_RQ_BAL_KEEP
rq->scx.flags &= ~SCX_RQ_BAL_KEEP;
rq->scx.flags |= SCX_RQ_BAL_KEEP;
rq->scx.flags |= SCX_RQ_BAL_KEEP;
rq->scx.flags |= SCX_RQ_BAL_KEEP;
keep_prev = rq->scx.flags & SCX_RQ_BAL_KEEP;
SCX_ENUM_SET(skel, scx_rq_flags, SCX_RQ_BAL_KEEP); \