1 /*
2  * Copyright (C) 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include "block_mac.h"
20 #include "fs.h"
21 #include "transaction.h"
22 
23 struct checkpoint;
24 
25 struct checkpoint* checkpoint_get_new_block(struct transaction* tr,
26                                             struct obj_ref* new_checkpoint_ref,
27                                             struct block_mac* checkpoint_mac);
28 
29 void checkpoint_update_roots(struct transaction* tr,
30                              struct checkpoint* new_checkpoint,
31                              const struct block_mac* files,
32                              const struct block_mac* free);
33 
34 bool checkpoint_read(struct transaction* tr,
35                      const struct block_mac* checkpoint,
36                      struct block_tree* files,
37                      struct block_set* free);
38 
39 bool checkpoint_commit(struct fs* fs);
40