293 	ssize_t	rmin, rmax;  in stropen()  local
625 	rmax = stp->sd_wrq->q_next->q_maxpsz;  in stropen()
630 		if (rmax == INFPSZ)  in stropen()
631 			rmax = strmsgsz;  in stropen()
633 			rmax = MIN(strmsgsz, rmax);  in stropen()
638 	stp->sd_qn_maxpsz = rmax;  in stropen()
2820 	ssize_t rmin, rmax;  in strwrite_common()  local
2851 	rmax = stp->sd_qn_maxpsz;  in strwrite_common()
2860 	ASSERT((rmax >= 0) || (rmax == INFPSZ));  in strwrite_common()
2861 	if (rmax == 0) {  in strwrite_common()
2871 		if ((rmax != INFPSZ) && (uiop->uio_resid > rmax)) {  in strwrite_common()
2888 	if (rmax == INFPSZ)  in strwrite_common()
2889 		rmax = uiop->uio_resid;  in strwrite_common()
2904 		iosize = MIN(uiop->uio_resid, rmax);  in strwrite_common()
3292 	ssize_t	rmin, rmax;  in strioctl()  local
3957 		rmax = stp->sd_wrq->q_next->q_maxpsz;  in strioctl()
3962 			if (rmax == INFPSZ)  in strioctl()
3963 				rmax = strmsgsz;  in strioctl()
3966 					rmax = MIN(PIPE_BUF, rmax);  in strioctl()
3967 				else	rmax = MIN(strmsgsz, rmax);  in strioctl()
3973 		stp->sd_qn_maxpsz = rmax;  in strioctl()
4038 		rmax = wrq->q_next->q_maxpsz;  in strioctl()
4043 			if (rmax == INFPSZ)  in strioctl()
4044 				rmax = strmsgsz;  in strioctl()
4047 					rmax = MIN(PIPE_BUF, rmax);  in strioctl()
4048 				else	rmax = MIN(strmsgsz, rmax);  in strioctl()
4054 		stp->sd_qn_maxpsz = rmax;  in strioctl()
4259 			rmax = stp->sd_wrq->q_next->q_maxpsz;  in strioctl()
4264 				if (rmax == INFPSZ) {  in strioctl()
4265 					rmax = strmsgsz;  in strioctl()
4267 					rmax = MIN(strmsgsz, rmax);  in strioctl()
4273 			stp->sd_qn_maxpsz = rmax;  in strioctl()
4392 			rmax = wrq->q_next->q_maxpsz;  in strioctl()
4397 				if (rmax == INFPSZ)  in strioctl()
4398 					rmax = strmsgsz;  in strioctl()
4401 						rmax = MIN(PIPE_BUF, rmax);  in strioctl()
4402 					else	rmax = MIN(strmsgsz, rmax);  in strioctl()
4408 			stp->sd_qn_maxpsz = rmax;  in strioctl()
5323 		rmax = stp->sd_qn_maxpsz;  in strioctl()
5332 		ASSERT((rmax >= 0) || (rmax == INFPSZ));  in strioctl()
5333 		if (rmax == 0) {  in strioctl()
5340 		    ((msgsize > rmax) && (rmax != INFPSZ)) ||  in strioctl()
7860 	ssize_t rmin, rmax;  in strputmsg()  local
7919 	rmax = stp->sd_qn_maxpsz;  in strputmsg()
7926 	ASSERT((rmax >= 0) || (rmax == INFPSZ));  in strputmsg()
7927 	if (rmax == 0) {  in strputmsg()
7934 	if (stp->sd_maxblk != INFPSZ && rmax != INFPSZ && rmax < stp->sd_maxblk)  in strputmsg()
7935 		rmax = stp->sd_maxblk;  in strputmsg()
7942 	    ((msgsize > rmax) && (rmax != INFPSZ)) ||  in strputmsg()
8062 	ssize_t rmin, rmax;  in kstrputmsg()  local
8116 	rmax = stp->sd_qn_maxpsz;  in kstrputmsg()
8123 	ASSERT((rmax >= 0) || (rmax == INFPSZ));  in kstrputmsg()
8124 	if (rmax == 0) {  in kstrputmsg()
8132 	if (stp->sd_maxblk != INFPSZ && rmax != INFPSZ && rmax < stp->sd_maxblk)  in kstrputmsg()
8133 		rmax = stp->sd_maxblk;  in kstrputmsg()
8143 		    ((msgsize > rmax) && (rmax != INFPSZ))) {  in kstrputmsg()