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 // Mount the overlayfs override for |fstab_entry|. 34 void MountOverlayfs(const FstabEntry& fstab_entry, bool* scratch_can_be_mounted); 35 36 void MapScratchPartitionIfNeeded(Fstab* fstab, 37 const std::function<bool(const std::set<std::string>&)>& init); 38 39 // Teardown overlays of all sources (cache dir, scratch device, DSU) for |mount_point|. 40 // Teardown all overlays if |mount_point| is empty. 41 // 42 // Note: This should be called if and only if in recovery or fastbootd to teardown 43 // overlays if any partition is flashed or updated. 44 void TeardownAllOverlayForMountPoint(const std::string& mount_point = {}); 45 46 } // namespace fs_mgr 47 } // namespace android 48