82 int btrfs_find_root(struct btrfs_root *root, struct btrfs_key *search_key,  in btrfs_find_root()  argument
91 	ret = btrfs_search_slot(NULL, root, search_key, path, 0, 0);  in btrfs_find_root()
137 		      *root, struct btrfs_key *key, struct btrfs_root_item  in btrfs_update_root()
151 	ret = btrfs_search_slot(trans, root, key, path, 0, 1);  in btrfs_update_root()
153 		btrfs_abort_transaction(trans, root, ret);  in btrfs_update_root()
158 		btrfs_print_leaf(root, path->nodes[0]);  in btrfs_update_root()
159 		btrfs_crit(root->fs_info, "unable to update root key %llu %u %llu",  in btrfs_update_root()
176 		ret = btrfs_search_slot(trans, root, key, path,  in btrfs_update_root()
179 			btrfs_abort_transaction(trans, root, ret);  in btrfs_update_root()
183 		ret = btrfs_del_item(trans, root, path);  in btrfs_update_root()
185 			btrfs_abort_transaction(trans, root, ret);  in btrfs_update_root()
189 		ret = btrfs_insert_empty_item(trans, root, path,  in btrfs_update_root()
192 			btrfs_abort_transaction(trans, root, ret);  in btrfs_update_root()
213 int btrfs_insert_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,  in btrfs_insert_root()  argument
220 	return btrfs_insert_item(trans, root, key, item, sizeof(*item));  in btrfs_insert_root()
229 	struct btrfs_root *root;  in btrfs_find_orphan_roots()  local
275 		root = btrfs_read_fs_root(tree_root, &root_key);  in btrfs_find_orphan_roots()
276 		err = PTR_ERR_OR_ZERO(root);  in btrfs_find_orphan_roots()
304 		err = btrfs_init_fs_root(root);  in btrfs_find_orphan_roots()
306 			btrfs_free_fs_root(root);  in btrfs_find_orphan_roots()
310 		set_bit(BTRFS_ROOT_ORPHAN_ITEM_INSERTED, &root->state);  in btrfs_find_orphan_roots()
312 		err = btrfs_insert_fs_root(root->fs_info, root);  in btrfs_find_orphan_roots()
323 			btrfs_free_fs_root(root);  in btrfs_find_orphan_roots()
327 		if (btrfs_root_refs(&root->root_item) == 0)  in btrfs_find_orphan_roots()
328 			btrfs_add_dead_root(root);  in btrfs_find_orphan_roots()
336 int btrfs_del_root(struct btrfs_trans_handle *trans, struct btrfs_root *root,  in btrfs_del_root()  argument
345 	ret = btrfs_search_slot(trans, root, key, path, -1, 1);  in btrfs_del_root()
351 	ret = btrfs_del_item(trans, root, path);  in btrfs_del_root()
496 			     struct btrfs_root *root)  in btrfs_update_root_times()  argument
498 	struct btrfs_root_item *item = &root->root_item;  in btrfs_update_root_times()
501 	spin_lock(&root->root_item_lock);  in btrfs_update_root_times()
505 	spin_unlock(&root->root_item_lock);  in btrfs_update_root_times()