1502 #define	PIOL_DATABUF(iol)	((void *)(&(iol)[1]))  argument
1507 	piol_t	*iol;  in pr_iol_initlist()  local
1513 	ASSERT(itemsize < MAPSIZE - sizeof (*iol));  in pr_iol_initlist()
1523 	initial_size = MIN(MAPSIZE, initial_size + sizeof (*iol));  in pr_iol_initlist()
1524 	iol = kmem_alloc(initial_size, KM_SLEEP);  in pr_iol_initlist()
1525 	list_insert_head(iolhead, iol);  in pr_iol_initlist()
1526 	iol->piol_usedsize = 0;  in pr_iol_initlist()
1527 	iol->piol_size = initial_size;  in pr_iol_initlist()
1533 	piol_t	*iol;  in pr_iol_newbuf()  local
1536 	ASSERT(itemsize < MAPSIZE - sizeof (*iol));  in pr_iol_newbuf()
1539 	iol = (piol_t *)list_tail(iolhead);  in pr_iol_newbuf()
1541 	if (iol->piol_size <  in pr_iol_newbuf()
1542 	    iol->piol_usedsize + sizeof (*iol) + itemsize) {  in pr_iol_newbuf()
1552 		list_insert_after(iolhead, iol, newiol);  in pr_iol_newbuf()
1553 		iol = list_next(iolhead, iol);  in pr_iol_newbuf()
1554 		ASSERT(iol == newiol);  in pr_iol_newbuf()
1556 	new = (char *)PIOL_DATABUF(iol) + iol->piol_usedsize;  in pr_iol_newbuf()
1557 	iol->piol_usedsize += itemsize;  in pr_iol_newbuf()
1566 	piol_t	*iol;  in pr_iol_copyout_and_free()  local
1568 	while ((iol = list_head(iolhead)) != NULL) {  in pr_iol_copyout_and_free()
1569 		list_remove(iolhead, iol);  in pr_iol_copyout_and_free()
1571 			if (copyout(PIOL_DATABUF(iol), *tgt,  in pr_iol_copyout_and_free()
1572 			    iol->piol_usedsize))  in pr_iol_copyout_and_free()
1574 			*tgt += iol->piol_usedsize;  in pr_iol_copyout_and_free()
1576 		kmem_free(iol, iol->piol_size);  in pr_iol_copyout_and_free()
1589 	piol_t		*iol;  in pr_iol_uiomove_and_free()  local
1592 	while ((iol = list_head(iolhead)) != NULL) {  in pr_iol_uiomove_and_free()
1593 		list_remove(iolhead, iol);  in pr_iol_uiomove_and_free()
1594 		base = PIOL_DATABUF(iol);  in pr_iol_uiomove_and_free()
1595 		size = iol->piol_usedsize;  in pr_iol_uiomove_and_free()
1600 		kmem_free(iol, iol->piol_size);  in pr_iol_uiomove_and_free()