81 int btrfs_find_root(struct btrfs_root *root, struct btrfs_key *search_key,  in btrfs_find_root()  argument
90 	ret = btrfs_search_slot(NULL, root, search_key, path, 0, 0);  in btrfs_find_root()
136 		      *root, struct btrfs_key *key, struct btrfs_root_item  in btrfs_update_root()
150 	ret = btrfs_search_slot(trans, root, key, path, 0, 1);  in btrfs_update_root()
152 		btrfs_abort_transaction(trans, root, ret);  in btrfs_update_root()
157 		btrfs_print_leaf(root, path->nodes[0]);  in btrfs_update_root()
158 		btrfs_crit(root->fs_info, "unable to update root key %llu %u %llu",  in btrfs_update_root()
175 		ret = btrfs_search_slot(trans, root, key, path,  in btrfs_update_root()
178 			btrfs_abort_transaction(trans, root, ret);  in btrfs_update_root()
182 		ret = btrfs_del_item(trans, root, path);  in btrfs_update_root()
184 			btrfs_abort_transaction(trans, root, ret);  in btrfs_update_root()
188 		ret = btrfs_insert_empty_item(trans, root, path,  in btrfs_update_root()
191 			btrfs_abort_transaction(trans, root, ret);  in btrfs_update_root()
212 int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,  in btrfs_insert_root()  argument
219 	return btrfs_insert_item(trans, root, key, item, sizeof(*item));  in btrfs_insert_root()
228 	struct btrfs_root *root;  in btrfs_find_orphan_roots()  local
274 		root = btrfs_read_fs_root(tree_root, &root_key);  in btrfs_find_orphan_roots()
275 		err = PTR_ERR_OR_ZERO(root);  in btrfs_find_orphan_roots()
303 		err = btrfs_init_fs_root(root);  in btrfs_find_orphan_roots()
305 			btrfs_free_fs_root(root);  in btrfs_find_orphan_roots()
309 		set_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, &root->state);  in btrfs_find_orphan_roots()
311 		err = btrfs_insert_fs_root(root->fs_info, root);  in btrfs_find_orphan_roots()
314 			btrfs_free_fs_root(root);  in btrfs_find_orphan_roots()
318 		if (btrfs_root_refs(&root->root_item) == 0)  in btrfs_find_orphan_roots()
319 			btrfs_add_dead_root(root);  in btrfs_find_orphan_roots()
327 int btrfs_del_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,  in btrfs_del_root()  argument
336 	ret = btrfs_search_slot(trans, root, key, path, -1, 1);  in btrfs_del_root()
342 	ret = btrfs_del_item(trans, root, path);  in btrfs_del_root()
487 			     struct btrfs_root *root)  in btrfs_update_root_times()  argument
489 	struct btrfs_root_item *item = &root->root_item;  in btrfs_update_root_times()
492 	spin_lock(&root->root_item_lock);  in btrfs_update_root_times()
496 	spin_unlock(&root->root_item_lock);  in btrfs_update_root_times()