| // Copyright (C) 2015 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #pragma once |
| |
| #include "android/utils/compiler.h" |
| #include <stdint.h> |
| |
| ANDROID_BEGIN_HEADER |
| |
| // Resize the partition in |partitionPath| to be newSize. |
| // |
| // |partitionPath| should hold the full, null-terminated path to the |
| // desired partition. |
| // |newByteSize| should be the desired new size of the partition in bytes, |
| // no smaller than 128 MiB and no greater than 16 TiB. If the |newByteSize| |
| // is below the minimum allowed for the specified partition, resize2fs will |
| // still fail and the error code will be returned to the user |
| // |
| // Returns: |
| // 0 - indicating the resize was successful |
| // -1 - indicating that formatting the arguments failed |
| // -2 - indicating a system call went wrong |
| // Otherwise the exit code of the resize2fs process is returned. |
| int resizeExt4Partition(const char* partitionPath, int64_t newByteSize); |
| |
| // Returns true if |byteSize| is a valid ext4 partition size; i.e. within the |
| // range of 128 MiB and 16 TiB inclusive, false otherwise. |
| // |
| // ext4 partitions have a theoretical limit of 1 EiB, although on 32-bit |
| // systems the partition limit is reduced to 16 TiB due to the data range |
| // of 32-bits, so enforce 16 TiB to minimize differences between systems of |
| // different bitness. The minimum size of an ext4 partition is 128 MiB. |
| bool checkExt4PartitionSize(int64_t byteSize); |
| |
| ANDROID_END_HEADER |
