355 mntfs_elem_in_range(mntsnap_t *snapp, mntelem_t *elemp)  in mntfs_elem_in_range()  argument
357 	timespec_t	*stimep = &snapp->mnts_time;  in mntfs_elem_in_range()
380 mntfs_get_next_elem(mntsnap_t *snapp, mntelem_t *elemp)  in mntfs_get_next_elem()  argument
382 	int show_hidden = snapp->mnts_flags & MNTS_SHOWHIDDEN;  in mntfs_get_next_elem()
387 	    (!mntfs_elem_in_range(snapp, elemp) ||  in mntfs_get_next_elem()
399 mntfs_freesnap(mntnode_t *mnp, mntsnap_t *snapp)  in mntfs_freesnap()  argument
405 	int show_hidden = snapp->mnts_flags & MNTS_SHOWHIDDEN;  in mntfs_freesnap()
411 	if (snapp->mnts_nmnts == 0)  in mntfs_freesnap()
417 		if (mntfs_elem_in_range(snapp, elemp) &&  in mntfs_freesnap()
428 	ASSERT(number_decremented == snapp->mnts_nmnts);  in mntfs_freesnap()
431 	bzero(snapp, sizeof (mntsnap_t));  in mntfs_freesnap()
500 mntfs_snapshot(mntnode_t *mnp, mntsnap_t *snapp)  in mntfs_snapshot()  argument
535 	if (snapp->mnts_nmnts) {  in mntfs_snapshot()
536 		if (mntfs_newest(&last_mtime, &snapp->mnts_last_mtime) ==  in mntfs_snapshot()
550 			snapp->mnts_next = snapp->mnts_first;  in mntfs_snapshot()
551 			snapp->mnts_flags &= ~MNTS_REWIND;  in mntfs_snapshot()
552 			snapp->mnts_foffset = snapp->mnts_ieoffset = 0;  in mntfs_snapshot()
556 			mntfs_freesnap(mnp, snapp);  in mntfs_snapshot()
779 	vfs_mono_time(&snapp->mnts_time);  in mntfs_snapshot()
780 	snapp->mnts_last_mtime = last_mtime;  in mntfs_snapshot()
781 	snapp->mnts_first = snapp->mnts_next = firstp;  in mntfs_snapshot()
782 	snapp->mnts_flags = show_hidden ? MNTS_SHOWHIDDEN : 0;  in mntfs_snapshot()
783 	snapp->mnts_nmnts = nmnts;  in mntfs_snapshot()
784 	snapp->mnts_text_size = total_text_size;  in mntfs_snapshot()
785 	snapp->mnts_foffset = snapp->mnts_ieoffset = 0;  in mntfs_snapshot()
889 	mntsnap_t *snapp = &mnp->mnt_read;  in mntread()  local
901 	if (snapp->mnts_nmnts == 0 || (off == (off_t)0))  in mntread()
902 		mntfs_snapshot(mnp, snapp);  in mntread()
904 	if ((size_t)(off + len) > snapp->mnts_text_size)  in mntread()
905 		len = snapp->mnts_text_size - off;  in mntread()
907 	if (off < 0 || len > snapp->mnts_text_size) {  in mntread()
924 	if (off == 0 || (off == snapp->mnts_foffset)) {  in mntread()
925 		elemp = snapp->mnts_next;  in mntread()
926 		ieoffset = snapp->mnts_ieoffset;  in mntread()
937 		if (off > snapp->mnts_foffset) {  in mntread()
938 			elemp = snapp->mnts_next;  in mntread()
939 			total_off = snapp->mnts_foffset - snapp->mnts_ieoffset;  in mntread()
941 			elemp = snapp->mnts_first;  in mntread()
946 			elemp = mntfs_get_next_elem(snapp, elemp);  in mntread()
967 			elemp = mntfs_get_next_elem(snapp, elemp);  in mntread()
982 		snapp->mnts_next = elemp;  in mntread()
983 		snapp->mnts_foffset = off + len;  in mntread()
984 		snapp->mnts_ieoffset = ieoffset;  in mntread()
1218 	mntsnap_t *snapp;  in mntpoll()  local
1223 		snapp = &mnp->mnt_ioctl;  in mntpoll()
1225 		snapp = &mnp->mnt_read;  in mntpoll()
1236 		vfs_mnttab_poll(&snapp->mnts_last_mtime, phpp);  in mntpoll()
1473 	mntsnap_t *snapp = &mnp->mnt_ioctl;  in mntioctl()  local
1484 		if (snapp->mnts_nmnts == 0 ||  in mntioctl()
1485 		    (snapp->mnts_flags & MNTS_REWIND)) {  in mntioctl()
1490 			if (snapp->mnts_nmnts == 0 ||  in mntioctl()
1491 			    (snapp->mnts_flags & MNTS_REWIND))  in mntioctl()
1492 				mntfs_snapshot(mnp, snapp);  in mntioctl()
1496 		if (suword32(up, snapp->mnts_nmnts) != 0)  in mntioctl()
1509 		if (snapp->mnts_nmnts == 0 ||  in mntioctl()
1510 		    (snapp->mnts_flags & MNTS_REWIND)) {  in mntioctl()
1515 			if (snapp->mnts_nmnts == 0 ||  in mntioctl()
1516 			    (snapp->mnts_flags & MNTS_REWIND))  in mntioctl()
1517 				mntfs_snapshot(mnp, snapp);  in mntioctl()
1522 		len = 2 * snapp->mnts_nmnts * sizeof (uint_t);  in mntioctl()
1530 		for (elemp = snapp->mnts_first; elemp;  in mntioctl()
1531 		    elemp = mntfs_get_next_elem(snapp, elemp)) {  in mntioctl()
1537 		ASSERT(i == snapp->mnts_nmnts);  in mntioctl()
1689 		if (snapp->mnts_nmnts == 0 ||  in mntioctl()
1690 		    (snapp->mnts_flags & MNTS_REWIND))  in mntioctl()
1691 			mntfs_snapshot(mnp, snapp);  in mntioctl()
1708 		elemp = snapp->mnts_next;  in mntioctl()
1711 			for (; elemp; elemp = mntfs_get_next_elem(snapp,  in mntioctl()
1754 			elemp = mntfs_get_next_elem(snapp, elemp);  in mntioctl()
1784 			elemp = mntfs_get_next_elem(snapp, elemp);  in mntioctl()
1786 			snapp->mnts_next = elemp;  in mntioctl()
1803 		if (snapp->mnts_nmnts == 0 ||  in mntioctl()
1804 		    (snapp->mnts_flags & MNTS_REWIND))  in mntioctl()
1805 			mntfs_snapshot(mnp, snapp);  in mntioctl()
1806 		if ((elemp = snapp->mnts_next) == NULL) {  in mntioctl()
1845 			elemp = mntfs_get_next_elem(snapp, elemp);  in mntioctl()
1847 			snapp->mnts_next = elemp;  in mntioctl()