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