77 int btrfs_find_root(struct btrfs_root *root, const struct btrfs_key *search_key,  in btrfs_find_root()  argument
86 	ret = btrfs_search_slot(NULL, root, search_key, path, 0, 0);  in btrfs_find_root()
132 		      *root, struct btrfs_key *key, struct btrfs_root_item  in btrfs_update_root()
135 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_update_root()
147 	ret = btrfs_search_slot(trans, root, key, path, 0, 1);  in btrfs_update_root()
155 			root->root_key.objectid);  in btrfs_update_root()
173 		ret = btrfs_search_slot(trans, root, key, path,  in btrfs_update_root()
180 		ret = btrfs_del_item(trans, root, path);  in btrfs_update_root()
186 		ret = btrfs_insert_empty_item(trans, root, path,  in btrfs_update_root()
210 int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,  in btrfs_insert_root()  argument
217 	return btrfs_insert_item(trans, root, key, item, sizeof(*item));  in btrfs_insert_root()
227 	struct btrfs_root *root;  in btrfs_find_orphan_roots()  local
280 		root = btrfs_lookup_fs_root(fs_info, root_key.objectid);  in btrfs_find_orphan_roots()
281 		if (root) {  in btrfs_find_orphan_roots()
283 					  &root->state));  in btrfs_find_orphan_roots()
284 			if (btrfs_root_refs(&root->root_item) == 0)  in btrfs_find_orphan_roots()
285 				btrfs_add_dead_root(root);  in btrfs_find_orphan_roots()
289 		root = btrfs_read_fs_root(tree_root, &root_key);  in btrfs_find_orphan_roots()
290 		err = PTR_ERR_OR_ZERO(root);  in btrfs_find_orphan_roots()
316 		err = btrfs_init_fs_root(root);  in btrfs_find_orphan_roots()
318 			btrfs_free_fs_root(root);  in btrfs_find_orphan_roots()
322 		set_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, &root->state);  in btrfs_find_orphan_roots()
324 		err = btrfs_insert_fs_root(fs_info, root);  in btrfs_find_orphan_roots()
327 			btrfs_free_fs_root(root);  in btrfs_find_orphan_roots()
331 		if (btrfs_root_refs(&root->root_item) == 0)  in btrfs_find_orphan_roots()
332 			btrfs_add_dead_root(root);  in btrfs_find_orphan_roots()
343 	struct btrfs_root *root = fs_info->tree_root;  in btrfs_del_root()  local
350 	ret = btrfs_search_slot(trans, root, key, path, -1, 1);  in btrfs_del_root()
356 	ret = btrfs_del_item(trans, root, path);  in btrfs_del_root()
510 			     struct btrfs_root *root)  in btrfs_update_root_times()  argument
512 	struct btrfs_root_item *item = &root->root_item;  in btrfs_update_root_times()
516 	spin_lock(&root->root_item_lock);  in btrfs_update_root_times()
520 	spin_unlock(&root->root_item_lock);  in btrfs_update_root_times()