| /* |
| * Copyright (C) 2014 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. |
| */ |
| |
| #ifndef F2FS_UTILS_F2F2_UTILS_H_ |
| #define F2FS_UTILS_F2F2_UTILS_H_ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| |
| |
| |
| #define ver_after(a, b) (typecheck(unsigned long long, a) && \ |
| typecheck(unsigned long long, b) && \ |
| ((long long)((a) - (b)) > 0)) |
| |
| #define ver_equal(a, b) (typecheck(unsigned long long, a) && \ |
| typecheck(unsigned long long, b) && \ |
| ((long long)((a) - (b)) == 0)) |
| |
| struct f2fs_sit_block; |
| struct f2fs_summary_block; |
| |
| struct f2fs_info { |
| u_int64_t blocks_per_segment; |
| u_int32_t block_size; |
| |
| char *sit_bmp; |
| u_int32_t sit_bmp_size; |
| u_int64_t blocks_per_sit; |
| struct f2fs_sit_block *sit_blocks; |
| struct f2fs_summary_block *sit_sums; |
| |
| u_int64_t cp_blkaddr; |
| u_int64_t cp_valid_cp_blkaddr; |
| |
| u_int64_t sit_blkaddr; |
| |
| u_int64_t nat_blkaddr; |
| |
| u_int64_t ssa_blkaddr; |
| |
| u_int64_t main_blkaddr; |
| |
| u_int64_t total_user_used; |
| u_int64_t total_blocks; |
| }; |
| |
| u64 get_num_blocks_used(struct f2fs_info *info); |
| struct f2fs_info *generate_f2fs_info(int fd); |
| void free_f2fs_info(struct f2fs_info *info); |
| unsigned int get_f2fs_filesystem_size_sec(char *dev); |
| int run_on_used_blocks(u64 startblock, struct f2fs_info *info, int (*func)(u64 pos, void *data), void *data); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // F2FS_UTILS_F2F2_UTILS_H_ |