34 				struct btrfs_root_item *item)  in btrfs_read_root_item()  argument
41 	read_extent_buffer(eb, item, btrfs_item_ptr_offset(eb, slot),  in btrfs_read_root_item()
42 			min_t(int, len, (int)sizeof(*item)));  in btrfs_read_root_item()
43 	if (len < sizeof(*item))  in btrfs_read_root_item()
45 	if (!need_reset && btrfs_root_generation(item)  in btrfs_read_root_item()
46 		!= btrfs_root_generation_v2(item)) {  in btrfs_read_root_item()
47 		if (btrfs_root_generation_v2(item) != 0) {  in btrfs_read_root_item()
59 		memset(&item->generation_v2, 0,  in btrfs_read_root_item()
60 			sizeof(*item) - offsetof(struct btrfs_root_item,  in btrfs_read_root_item()
64 		memcpy(item->uuid, uuid.b, BTRFS_UUID_SIZE);  in btrfs_read_root_item()
125 void btrfs_set_root_node(struct btrfs_root_item *item,  in btrfs_set_root_node()  argument
128 	btrfs_set_root_bytenr(item, node->start);  in btrfs_set_root_node()
129 	btrfs_set_root_level(item, btrfs_header_level(node));  in btrfs_set_root_node()
130 	btrfs_set_root_generation(item, btrfs_header_generation(node));  in btrfs_set_root_node()
138 		      *item)  in btrfs_update_root()
174 	if (old_len < sizeof(*item)) {  in btrfs_update_root()
190 				key, sizeof(*item));  in btrfs_update_root()
204 	btrfs_set_root_generation_v2(item, btrfs_root_generation(item));  in btrfs_update_root()
206 	write_extent_buffer(l, item, ptr, sizeof(*item));  in btrfs_update_root()
214 		      struct btrfs_key *key, struct btrfs_root_item *item)  in btrfs_insert_root()  argument
219 	btrfs_set_root_generation_v2(item, btrfs_root_generation(item));  in btrfs_insert_root()
220 	return btrfs_insert_item(trans, root, key, item, sizeof(*item));  in btrfs_insert_root()
498 	struct btrfs_root_item *item = &root->root_item;  in btrfs_update_root_times()  local
502 	btrfs_set_root_ctransid(item, trans->transid);  in btrfs_update_root_times()
503 	btrfs_set_stack_timespec_sec(&item->ctime, ct.tv_sec);  in btrfs_update_root_times()
504 	btrfs_set_stack_timespec_nsec(&item->ctime, ct.tv_nsec);  in btrfs_update_root_times()