SCX_OPSS_QSEQ_SHIFT
qseq = rq->scx.ops_qseq++ << SCX_OPSS_QSEQ_SHIFT;
ops_state >> SCX_OPSS_QSEQ_SHIFT);
#define SCX_OPSS_STATE_MASK ((1LU << SCX_OPSS_QSEQ_SHIFT) - 1)