lib/metadata/metadata.c

355 	struct logical_volume *lv;
368 	dm_list_iterate_items(lvseg, &lvl->lv->segments) {
379 				lv = seg_lv(lvseg, s);
381 							     lv->name))
467 		if (!lv_remove_with_dependencies(cmd, lvl->lv, force))
744 int lv_has_unknown_segments(const struct logical_volume *lv)
748 	dm_list_iterate_items(seg, &lv->segments)
760 		if (lv_has_unknown_segments(lvl->lv))
921 	struct logical_volume *lv;
998 		lv = lvl->lv;
1000 		if (!_recalc_extents(&lv->le_count, lv->name, "", old_size,
1004 		dm_list_iterate_items(seg, &lv->segments) {
1005 			if (!_recalc_extents(&seg->le, lv->name,
1010 			if (!_recalc_extents(&seg->len, lv->name,
1015 			if (!_recalc_extents(&seg->area_len, lv->name,
1020 			if (!_recalc_extents(&seg->extents_copied, lv->name,
1031 					     lv->name,
1037 					     lv->name,
1044 					    (&seg_le(seg, s), lv->name,
1137 			if (lv_is_origin(lvl->lv) || lv_is_cow(lvl->lv)) {
1651 		if (!strcmp(lvl->lv->name, ptr))
1658 				   const struct logical_volume *lv)
1663 		if (lvl->lv == lv)
1675 		if (!strncmp(lvl->lv->lvid.s, lvid->s, sizeof(*lvid)))
1685 	return lvl ? lvl->lv : NULL;
1736 struct lv_segment *find_seg_by_le(const struct logical_volume *lv, uint32_t le)
1740 	dm_list_iterate_items(seg, &lv->segments)
1747 struct lv_segment *first_seg(const struct logical_volume *lv)
1751 	dm_list_iterate_items(seg, &lv->segments)
1790 		if (lv_is_cow(lvl->lv))
1802 		if (lv_is_visible(lvl->lv))
1866 		name1 = lvl1->lv->name;
1869 			name2 = lvl2->lv->name;
1904 	int (*fn)(struct logical_volume *lv, void *data);
1909 			       int (*fn)(struct logical_volume *lv, void *data),
1912 static int _lv_postorder_level(struct logical_volume *lv, void *data)
1915 	if (lv->status & POSTORDER_OPEN_FLAG)
1917 	lv->status |= POSTORDER_OPEN_FLAG;
1918 	int r =_lv_postorder_visit(lv, baton->fn, baton->data);
1919 	lv->status &= ~POSTORDER_OPEN_FLAG;
1920 	lv->status |= POSTORDER_FLAG;
1924 static int _lv_each_dependency(struct logical_volume *lv,
1925 			       int (*fn)(struct logical_volume *lv, void *data),
1932 		lv->snapshot ? lv->snapshot->origin : 0,
1933 		lv->snapshot ? lv->snapshot->cow : 0 };
1939 	dm_list_iterate_items(lvseg, &lv->segments) {
1950 static int _lv_postorder_cleanup(struct logical_volume *lv, void *data)
1952 	if (!(lv->status & POSTORDER_FLAG))
1954 	lv->status &= ~POSTORDER_FLAG;
1956 	if (!_lv_each_dependency(lv, _lv_postorder_cleanup, data))
1961 static int _lv_postorder_visit(struct logical_volume *lv,
1962 			       int (*fn)(struct logical_volume *lv, void *data),
1968 	if (lv->status & POSTORDER_FLAG)
1973 	r = _lv_each_dependency(lv, _lv_postorder_level, &baton);
1975 		r = fn(lv, data);
1987 static int _lv_postorder(struct logical_volume *lv,
1988 			       int (*fn)(struct logical_volume *lv, void *data),
1992 	r = _lv_postorder_visit(lv, fn, data);
1993 	_lv_postorder_cleanup(lv, 0);
2001 static int _lv_mark_if_partial_collect(struct logical_volume *lv, void *data)
2004 	if (lv->status & PARTIAL_LV)
2010 static int _lv_mark_if_partial_single(struct logical_volume *lv, void *data)
2016 	dm_list_iterate_items(lvseg, &lv->segments) {
2020 					lv->status |= PARTIAL_LV;
2026 	_lv_each_dependency(lv, _lv_mark_if_partial_collect, &baton);
2029 		lv->status |= PARTIAL_LV;
2034 static int _lv_mark_if_partial(struct logical_volume *lv)
2036 	return _lv_postorder(lv, _lv_mark_if_partial_single, NULL);
2046 	struct logical_volume *lv;
2050 		lv = lvl->lv;
2051 		if (!_lv_mark_if_partial(lv))
2061 static int _lv_read_ahead_single(struct logical_volume *lv, void *data)
2063 	struct lv_segment *seg = first_seg(lv);
2080 void lv_calculate_readahead(const struct logical_volume *lv, uint32_t *read_ahead)
2084 	if (lv->read_ahead == DM_READ_AHEAD_AUTO)
2085 		_lv_postorder((struct logical_volume *)lv, _lv_read_ahead_single, &_read_ahead);
2088 		log_debug("Calculated readahead of LV %s is %u", lv->name, _read_ahead);
2137 		if (lvl->lv->status & VISIBLE_LV)
2141 		if (lv_is_cow(lvl->lv))
2145 		if (lv_is_origin(lvl->lv) && !lv_is_virtual_origin(lvl->lv))
2175 			if (!strcmp(lvl->lv->name, lvl2->lv->name)) {
2177 					  "%s detected in %s.", lvl->lv->name,
2181 			if (id_equal(&lvl->lv->lvid.id[1],
2182 				     &lvl2->lv->lvid.id[1])) {
2183 				if (!id_write_format(&lvl->lv->lvid.id[1], uuid,
2188 					  uuid, lvl->lv->name, lvl2->lv->name,
2196 		if (!check_lv_segments(lvl->lv, 1)) {
2198 				  lvl->lv->name);
2801 		if (!check_lv_segments(lvl->lv, 1)) {
2803 				  lvl->lv->name);
2918 	return lvl->lv;
3641 uint64_t lv_size(const struct logical_volume *lv)
3643 	return lv->size;