70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright 2019 Google LLC
|
|
*/
|
|
#include <stdbool.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <include/uapi/linux/incrementalfs.h>
|
|
|
|
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof(arr[0]))
|
|
|
|
#define __packed __attribute__((__packed__))
|
|
|
|
#ifdef __LP64__
|
|
#define ptr_to_u64(p) ((__u64)p)
|
|
#else
|
|
#define ptr_to_u64(p) ((__u64)(__u32)p)
|
|
#endif
|
|
|
|
#define SHA256_DIGEST_SIZE 32
|
|
#define INCFS_MAX_MTREE_LEVELS 8
|
|
|
|
unsigned int rnd(unsigned int max, unsigned int *seed);
|
|
|
|
int remove_dir(const char *dir);
|
|
|
|
int drop_caches(void);
|
|
|
|
int mount_fs(const char *mount_dir, const char *backing_dir,
|
|
int read_timeout_ms);
|
|
|
|
int mount_fs_opt(const char *mount_dir, const char *backing_dir,
|
|
const char *opt, bool remount);
|
|
|
|
int get_file_bmap(int cmd_fd, int ino, unsigned char *buf, int buf_size);
|
|
|
|
int get_file_signature(int fd, unsigned char *buf, int buf_size);
|
|
|
|
int emit_node(int fd, char *filename, int *ino_out, int parent_ino,
|
|
size_t size, mode_t mode, char *attr);
|
|
|
|
int emit_file(int fd, const char *dir, const char *filename,
|
|
incfs_uuid_t *id_out, size_t size, const char *attr);
|
|
|
|
int crypto_emit_file(int fd, const char *dir, const char *filename,
|
|
incfs_uuid_t *id_out, size_t size, const char *root_hash,
|
|
const char *add_data);
|
|
|
|
loff_t get_file_size(const char *name);
|
|
|
|
int open_commands_file(const char *mount_dir);
|
|
|
|
int open_log_file(const char *mount_dir);
|
|
|
|
int open_blocks_written_file(const char *mount_dir);
|
|
|
|
int wait_for_pending_reads(int fd, int timeout_ms,
|
|
struct incfs_pending_read_info *prs, int prs_count);
|
|
|
|
int wait_for_pending_reads2(int fd, int timeout_ms,
|
|
struct incfs_pending_read_info2 *prs, int prs_count);
|
|
|
|
char *concat_file_name(const char *dir, const char *file);
|
|
|
|
void sha256(const char *data, size_t dsize, char *hash);
|
|
|
|
void md5(const char *data, size_t dsize, char *hash);
|
|
|
|
int delete_dir_tree(const char *path);
|