1 /*
2  * Copyright (C) 2018 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 <functional>
20 #include <set>
21 #include <string>
22 
23 #include <fstab/fstab.h>
24 
25 // Keep the list short and only add interfaces that must be exported public.
26 
27 bool fs_mgr_overlayfs_mount_all(android::fs_mgr::Fstab* fstab);
28 bool fs_mgr_overlayfs_is_setup();
29 
30 namespace android {
31 namespace fs_mgr {
32 
33 void MapScratchPartitionIfNeeded(Fstab* fstab,
34                                  const std::function<bool(const std::set<std::string>&)>& init);
35 
36 // Teardown overlays of all sources (cache dir, scratch device, DSU) for |mount_point|.
37 // Teardown all overlays if |mount_point| is empty.
38 //
39 // Note: This should be called if and only if in recovery or fastbootd to teardown
40 // overlays if any partition is flashed or updated.
41 void TeardownAllOverlayForMountPoint(const std::string& mount_point = {});
42 
43 }  // namespace fs_mgr
44 }  // namespace android
45