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/*
* 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_
#include <stdint.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 {
uint64_t blocks_per_segment;
uint32_t block_size;
char* sit_bmp;
uint32_t sit_bmp_size;
uint64_t blocks_per_sit;
struct f2fs_sit_block* sit_blocks;
struct f2fs_summary_block* sit_sums;
uint64_t cp_blkaddr;
uint64_t cp_valid_cp_blkaddr;
uint64_t sit_blkaddr;
uint64_t nat_blkaddr;
uint64_t ssa_blkaddr;
uint64_t main_blkaddr;
uint64_t total_user_used;
uint64_t total_blocks;
};
uint64_t 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(uint64_t startblock, struct f2fs_info* info,
int (*func)(uint64_t pos, void* data), void* data);
#ifdef __cplusplus
}
#endif
#endif // F2FS_UTILS_F2F2_UTILS_H_
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