2 * Copyright (C) 2008 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
22 #include <linux/loop.h>
28 static const int LOOP_MAX = 4096;
30 static int lookupActive(const char *id, char *buffer, size_t len);
31 static int lookupInfo(const char *loopDevice, struct asec_superblock *sb, unsigned long *nr_sec);
32 static int create(const char *id, const char *loopFile, char *loopDeviceBuffer, size_t len);
33 static int create(const std::string& file, std::string& out_device);
34 static int destroyByDevice(const char *loopDevice);
35 static int destroyByFile(const char *loopFile);
36 static int createImageFile(const char *file, unsigned long numSectors);
37 static int resizeImageFile(const char *file, unsigned long numSectors);
39 static int dumpState(SocketClient *c);