sys/kern/kern_lockf.c

339 	struct lockf_entry *lf;
341 	lf = malloc(sizeof(struct lockf_entry), M_LOCKF, M_WAITOK|M_ZERO);
345 		printf("Allocated lock %p\n", lf);
351 		lf->lf_owner = lo;
354 	return (lf);
708 		struct lockf_entry *lf;
713 		LIST_FOREACH(lf, &state->ls_active, lf_link) {
714 			if (lock == lf)
716 			KASSERT(!lf_blocks(lock, lf),
718 			if (lock->lf_owner == lf->lf_owner)
719 				KASSERT(!lf_overlaps(lock, lf),
1099 	struct lockf_entry *lf, *lfprev;
1107 	LIST_FOREACH(lf, &state->ls_active, lf_link) {
1108 		if (lf->lf_start > lock->lf_start) {
1109 			LIST_INSERT_BEFORE(lf, lock, lf_link);
1112 		lfprev = lf;
1219 	struct lockf_entry *overlap, *lf;
1282 				lf = LIST_NEXT(overlap, lf_link);
1287 				overlap = lf;
1706 	struct lockf_entry *lf;
1721 		lf = *overlap;
1722 		if (lf->lf_start > end)
1724 		if (((type & SELF) && lf->lf_owner != lock->lf_owner) ||
1725 		    ((type & OTHERS) && lf->lf_owner == lock->lf_owner)) {
1726 			*overlap = LIST_NEXT(lf, lf_link);
1731 			lf_print("\tchecking", lf);
1744 		if (start > lf->lf_end) {
1750 			*overlap = LIST_NEXT(lf, lf_link);
1753 		if (lf->lf_start == start && lf->lf_end == end) {
1762 		if (lf->lf_start <= start && lf->lf_end >= end) {
1771 		if (start <= lf->lf_start && end >= lf->lf_end) {
1780 		if (lf->lf_start < start && lf->lf_end >= start) {
1789 		if (lf->lf_start > start && lf->lf_end > end) {
1875 	struct lockf_entry *lf;
1892 		LIST_FOREACH(lf, &ls->ls_active, lf_link) {
1893 			if (lf->lf_owner->lo_sysid != sysid)
1898 			ldesc->vp = lf->lf_vnode;
1900 			ldesc->fl.l_start = lf->lf_start;
1901 			if (lf->lf_end == OFF_MAX)
1905 					lf->lf_end - lf->lf_start + 1;
1908 			ldesc->fl.l_pid = lf->lf_owner->lo_pid;
1937 	struct lockf_entry *lf;
1961 	LIST_FOREACH(lf, &ls->ls_active, lf_link) {
1964 		ldesc->vp = lf->lf_vnode;
1966 		ldesc->fl.l_start = lf->lf_start;
1967 		if (lf->lf_end == OFF_MAX)
1971 				lf->lf_end - lf->lf_start + 1;
1974 		ldesc->fl.l_pid = lf->lf_owner->lo_pid;
1975 		ldesc->fl.l_sysid = lf->lf_owner->lo_sysid;
2525 	struct lockf_entry *lf, *blk;
2534 	LIST_FOREACH(lf, &lock->lf_vnode->v_lockf->ls_active, lf_link) {
2535 		printf("\tlock %p for ",(void *)lf);
2538 		    lf->lf_type == F_RDLCK ? "shared" :
2539 		    lf->lf_type == F_WRLCK ? "exclusive" :
2540 		    lf->lf_type == F_UNLCK ? "unlock" :
2541 		    "unknown", (intmax_t)lf->lf_start, (intmax_t)lf->lf_end);
2542 		LIST_FOREACH(e, &lf->lf_outedges, le_outlink) {