1 /* 2 * Copyright (C) 2007 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 #ifndef RECOVERY_ROOTS_H_ 18 #define RECOVERY_ROOTS_H_ 19 20 #include "common.h" 21 22 // Load and parse volume data from /etc/recovery.fstab. 23 void load_volume_table(); 24 25 // Return the Volume* record for this path (or NULL). 26 Volume* volume_for_path(const char* path); 27 28 // Make sure that the volume 'path' is on is mounted. Returns 0 on 29 // success (volume is mounted). 30 int ensure_path_mounted(const char* path); 31 32 // Make sure that the volume 'path' is on is mounted. Returns 0 on 33 // success (volume is unmounted); 34 int ensure_path_unmounted(const char* path); 35 36 // Make sure that the volume 'path' is on is mounted. Returns 0 on 37 // success (volume is unmounted); 38 // It works for volume that not in fstab 39 int ensure_ex_path_unmounted(const char* path); 40 41 // device name get from /proc/mount, if device was umount, device 42 // would turn back NULL. 43 // Return NULL if device is not mounted or path is not existent. 44 const char* get_mounted_device_from_path(const char* path); 45 46 // Reformat the given volume (must be the mount point only, eg 47 // "/cache"), no paths permitted. Attempts to unmount the volume if 48 // it is mounted. 49 int format_volume(const char* volume); 50 int resize_volume(const char* volume); 51 52 53 #endif // RECOVERY_ROOTS_H_ 54