CRL_F_WRITE
crltab.crl_active = CRL_F_WRITE;
mtpr(bp->b_blkno<<8 | STXCS_IE | CRL_F_WRITE, PR_STXCS);
case CRL_F_WRITE:
case CRL_F_WRITE:
mtpr(bp->b_blkno<<8 | STXCS_IE | CRL_F_WRITE, PR_STXCS);