23 				struct btrfs_root_item *item)  in btrfs_read_root_item()  argument
29 	read_extent_buffer(eb, item, btrfs_item_ptr_offset(eb, slot),  in btrfs_read_root_item()
30 			   min_t(u32, len, sizeof(*item)));  in btrfs_read_root_item()
31 	if (len < sizeof(*item))  in btrfs_read_root_item()
33 	if (!need_reset && btrfs_root_generation(item)  in btrfs_read_root_item()
34 		!= btrfs_root_generation_v2(item)) {  in btrfs_read_root_item()
35 		if (btrfs_root_generation_v2(item) != 0) {  in btrfs_read_root_item()
43 		memset_startat(item, 0, generation_v2);  in btrfs_read_root_item()
44 		generate_random_guid(item->uuid);  in btrfs_read_root_item()
105 void btrfs_set_root_node(struct btrfs_root_item *item,  in btrfs_set_root_node()  argument
108 	btrfs_set_root_bytenr(item, node->start);  in btrfs_set_root_node()
109 	btrfs_set_root_level(item, btrfs_header_level(node));  in btrfs_set_root_node()
110 	btrfs_set_root_generation(item, btrfs_header_generation(node));  in btrfs_set_root_node()
118 		      *item)  in btrfs_update_root()
156 	if (old_len < sizeof(*item)) {  in btrfs_update_root()
172 				key, sizeof(*item));  in btrfs_update_root()
186 	btrfs_set_root_generation_v2(item, btrfs_root_generation(item));  in btrfs_update_root()
188 	write_extent_buffer(l, item, ptr, sizeof(*item));  in btrfs_update_root()
196 		      const struct btrfs_key *key, struct btrfs_root_item *item)  in btrfs_insert_root()  argument
201 	btrfs_set_root_generation_v2(item, btrfs_root_generation(item));  in btrfs_insert_root()
202 	return btrfs_insert_item(trans, root, key, item, sizeof(*item));  in btrfs_insert_root()
471 	struct btrfs_root_item *item = &root->root_item;  in btrfs_update_root_times()  local
476 	btrfs_set_root_ctransid(item, trans->transid);  in btrfs_update_root_times()
477 	btrfs_set_stack_timespec_sec(&item->ctime, ct.tv_sec);  in btrfs_update_root_times()
478 	btrfs_set_stack_timespec_nsec(&item->ctime, ct.tv_nsec);  in btrfs_update_root_times()