1 /* 2 * Copyright (C) 2017 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 ANDROID_VOLD_FILEDEVICEUTILS_H 18 #define ANDROID_VOLD_FILEDEVICEUTILS_H 19 20 #include <linux/fiemap.h> 21 #include <string> 22 23 namespace android { 24 namespace vold { 25 26 // Given a file path, look for the corresponding block device in /proc/mount 27 std::string BlockDeviceForPath(const std::string& path); 28 29 // Read the file's FIEMAP 30 std::unique_ptr<struct fiemap> PathFiemap(const std::string& path, uint32_t extent_count); 31 32 } // namespace vold 33 } // namespace android 34 35 #endif 36