245 	ssize_t	rmin, rmax;  in stropen()  local
571 	rmax = stp->sd_wrq->q_next->q_maxpsz;  in stropen()
576 		if (rmax == INFPSZ)  in stropen()
577 			rmax = strmsgsz;  in stropen()
579 			rmax = MIN(strmsgsz, rmax);  in stropen()
584 	stp->sd_qn_maxpsz = rmax;  in stropen()
2730 	ssize_t rmin, rmax;  in strwrite_common()  local
2761 	rmax = stp->sd_qn_maxpsz;  in strwrite_common()
2770 	ASSERT((rmax >= 0) || (rmax == INFPSZ));  in strwrite_common()
2771 	if (rmax == 0) {  in strwrite_common()
2781 		if ((rmax != INFPSZ) && (uiop->uio_resid > rmax)) {  in strwrite_common()
2798 	if (rmax == INFPSZ)  in strwrite_common()
2799 		rmax = uiop->uio_resid;  in strwrite_common()
2814 		iosize = MIN(uiop->uio_resid, rmax);  in strwrite_common()
3202 	ssize_t	rmin, rmax;  in strioctl()  local
3831 		rmax = stp->sd_wrq->q_next->q_maxpsz;  in strioctl()
3836 			if (rmax == INFPSZ)  in strioctl()
3837 				rmax = strmsgsz;  in strioctl()
3840 					rmax = MIN(PIPE_BUF, rmax);  in strioctl()
3841 				else	rmax = MIN(strmsgsz, rmax);  in strioctl()
3847 		stp->sd_qn_maxpsz = rmax;  in strioctl()
3912 		rmax = wrq->q_next->q_maxpsz;  in strioctl()
3917 			if (rmax == INFPSZ)  in strioctl()
3918 				rmax = strmsgsz;  in strioctl()
3921 					rmax = MIN(PIPE_BUF, rmax);  in strioctl()
3922 				else	rmax = MIN(strmsgsz, rmax);  in strioctl()
3928 		stp->sd_qn_maxpsz = rmax;  in strioctl()
4133 			rmax = stp->sd_wrq->q_next->q_maxpsz;  in strioctl()
4138 				if (rmax == INFPSZ) {  in strioctl()
4139 					rmax = strmsgsz;  in strioctl()
4141 					rmax = MIN(strmsgsz, rmax);  in strioctl()
4147 			stp->sd_qn_maxpsz = rmax;  in strioctl()
4266 			rmax = wrq->q_next->q_maxpsz;  in strioctl()
4271 				if (rmax == INFPSZ)  in strioctl()
4272 					rmax = strmsgsz;  in strioctl()
4275 						rmax = MIN(PIPE_BUF, rmax);  in strioctl()
4276 					else	rmax = MIN(strmsgsz, rmax);  in strioctl()
4282 			stp->sd_qn_maxpsz = rmax;  in strioctl()
5197 		rmax = stp->sd_qn_maxpsz;  in strioctl()
5206 		ASSERT((rmax >= 0) || (rmax == INFPSZ));  in strioctl()
5207 		if (rmax == 0) {  in strioctl()
5214 		    ((msgsize > rmax) && (rmax != INFPSZ)) ||  in strioctl()
7734 	ssize_t rmin, rmax;  in strputmsg()  local
7793 	rmax = stp->sd_qn_maxpsz;  in strputmsg()
7800 	ASSERT((rmax >= 0) || (rmax == INFPSZ));  in strputmsg()
7801 	if (rmax == 0) {  in strputmsg()
7808 	if (stp->sd_maxblk != INFPSZ && rmax != INFPSZ && rmax < stp->sd_maxblk)  in strputmsg()
7809 		rmax = stp->sd_maxblk;  in strputmsg()
7816 	    ((msgsize > rmax) && (rmax != INFPSZ)) ||  in strputmsg()
7936 	ssize_t rmin, rmax;  in kstrputmsg()  local
7990 	rmax = stp->sd_qn_maxpsz;  in kstrputmsg()
7997 	ASSERT((rmax >= 0) || (rmax == INFPSZ));  in kstrputmsg()
7998 	if (rmax == 0) {  in kstrputmsg()
8006 	if (stp->sd_maxblk != INFPSZ && rmax != INFPSZ && rmax < stp->sd_maxblk)  in kstrputmsg()
8007 		rmax = stp->sd_maxblk;  in kstrputmsg()
8017 		    ((msgsize > rmax) && (rmax != INFPSZ))) {  in kstrputmsg()