75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
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/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef F2FS_UTILS_F2F2_UTILS_H_
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#define F2FS_UTILS_F2F2_UTILS_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ver_after(a, b) (typecheck(unsigned long long, a) && \
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typecheck(unsigned long long, b) && \
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((long long)((a) - (b)) > 0))
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#define ver_equal(a, b) (typecheck(unsigned long long, a) && \
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typecheck(unsigned long long, b) && \
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((long long)((a) - (b)) == 0))
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struct f2fs_sit_block;
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struct f2fs_summary_block;
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struct f2fs_info {
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u_int64_t blocks_per_segment;
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u_int32_t block_size;
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char *sit_bmp;
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u_int32_t sit_bmp_size;
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u_int64_t blocks_per_sit;
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struct f2fs_sit_block *sit_blocks;
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struct f2fs_summary_block *sit_sums;
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u_int64_t cp_blkaddr;
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u_int64_t cp_valid_cp_blkaddr;
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u_int64_t sit_blkaddr;
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u_int64_t nat_blkaddr;
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u_int64_t ssa_blkaddr;
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u_int64_t main_blkaddr;
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u_int64_t total_user_used;
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u_int64_t total_blocks;
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};
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u64 get_num_blocks_used(struct f2fs_info *info);
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struct f2fs_info *generate_f2fs_info(int fd);
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void free_f2fs_info(struct f2fs_info *info);
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unsigned int get_f2fs_filesystem_size_sec(char *dev);
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int run_on_used_blocks(u64 startblock, struct f2fs_info *info, int (*func)(u64 pos, void *data), void *data);
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#ifdef __cplusplus
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}
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#endif
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#endif // F2FS_UTILS_F2F2_UTILS_H_
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