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68593f4981
third_party_f2fs-tools/fsck/fsck.h
Hyojun Kim 68593f4981 f2fs-tools: f2fs_read() and f2fs_filesize_update() are added 
This patch adds f2fs_read() and f2fs_filesize_update(). It also refactors
f2fs_write_block() and renamed as f2fs_write().

Signed-off-by: Hyojun Kim <hyojun@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
2017-10-30 20:41:49 -07:00

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/**
* fsck.h
*
* Copyright (c) 2013 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _FSCK_H_
#define _FSCK_H_
#include "f2fs.h"
#define FSCK_UNMATCHED_EXTENT 0x00000001
enum {
PREEN_MODE_0,
PREEN_MODE_1,
PREEN_MODE_MAX
};
enum {
NOERROR,
EWRONG_OPT,
ENEED_ARG,
EUNKNOWN_OPT,
EUNKNOWN_ARG,
};
/* fsck.c */
struct orphan_info {
u32 nr_inodes;
u32 *ino_list;
};
struct extent_info {
u32 fofs; /* start offset in a file */
u32 blk; /* start block address of the extent */
u32 len; /* length of the extent */
};
struct child_info {
u32 state;
u32 links;
u32 files;
u32 pgofs;
u8 dots;
u8 dir_level;
u32 p_ino; /*parent ino*/
u32 pp_ino; /*parent parent ino*/
struct extent_info ei;
u32 last_blk;
};
struct f2fs_fsck {
struct f2fs_sb_info sbi;
struct orphan_info orphani;
struct chk_result {
u64 valid_blk_cnt;
u32 valid_nat_entry_cnt;
u32 valid_node_cnt;
u32 valid_inode_cnt;
u32 multi_hard_link_files;
u64 sit_valid_blocks;
u32 sit_free_segs;
} chk;
struct hard_link_node *hard_link_list_head;
char *main_seg_usage;
char *main_area_bitmap;
char *nat_area_bitmap;
char *sit_area_bitmap;
u64 main_area_bitmap_sz;
u32 nat_area_bitmap_sz;
u32 sit_area_bitmap_sz;
u64 nr_main_blks;
u32 nr_nat_entries;
u32 dentry_depth;
struct f2fs_nat_entry *entries;
u32 nat_valid_inode_cnt;
};
#define BLOCK_SZ 4096
struct block {
unsigned char buf[BLOCK_SZ];
};
enum NODE_TYPE {
TYPE_INODE = 37,
TYPE_DIRECT_NODE = 43,
TYPE_INDIRECT_NODE = 53,
TYPE_DOUBLE_INDIRECT_NODE = 67,
TYPE_XATTR = 77
};
struct hard_link_node {
u32 nid;
u32 links;
u32 actual_links;
struct hard_link_node *next;
};
enum seg_type {
SEG_TYPE_DATA,
SEG_TYPE_CUR_DATA,
SEG_TYPE_NODE,
SEG_TYPE_CUR_NODE,
SEG_TYPE_MAX,
};
struct selabel_handle;
extern int fsck_chk_orphan_node(struct f2fs_sb_info *);
extern int fsck_chk_node_blk(struct f2fs_sb_info *, struct f2fs_inode *, u32,
enum FILE_TYPE, enum NODE_TYPE, u32 *,
struct child_info *);
extern void fsck_chk_inode_blk(struct f2fs_sb_info *, u32, enum FILE_TYPE,
struct f2fs_node *, u32 *, struct node_info *);
extern int fsck_chk_dnode_blk(struct f2fs_sb_info *, struct f2fs_inode *,
u32, enum FILE_TYPE, struct f2fs_node *, u32 *,
struct child_info *, struct node_info *);
extern int fsck_chk_idnode_blk(struct f2fs_sb_info *, struct f2fs_inode *,
enum FILE_TYPE, struct f2fs_node *, u32 *, struct child_info *);
extern int fsck_chk_didnode_blk(struct f2fs_sb_info *, struct f2fs_inode *,
enum FILE_TYPE, struct f2fs_node *, u32 *, struct child_info *);
extern int fsck_chk_data_blk(struct f2fs_sb_info *sbi, u32, struct child_info *,
int, enum FILE_TYPE, u32, u16, u8, int);
extern int fsck_chk_dentry_blk(struct f2fs_sb_info *, u32, struct child_info *,
int, int);
int fsck_chk_inline_dentries(struct f2fs_sb_info *, struct f2fs_node *,
struct child_info *);
int fsck_chk_meta(struct f2fs_sb_info *sbi);
int convert_encrypted_name(unsigned char *, int, unsigned char *, int);
extern void update_free_segments(struct f2fs_sb_info *);
void print_cp_state(u32);
extern void print_node_info(struct f2fs_node *, int);
extern void print_inode_info(struct f2fs_inode *, int);
extern struct seg_entry *get_seg_entry(struct f2fs_sb_info *, unsigned int);
extern struct f2fs_summary_block *get_sum_block(struct f2fs_sb_info *,
unsigned int, int *);
extern int get_sum_entry(struct f2fs_sb_info *, u32, struct f2fs_summary *);
extern void update_sum_entry(struct f2fs_sb_info *, block_t,
struct f2fs_summary *);
extern void get_node_info(struct f2fs_sb_info *, nid_t, struct node_info *);
extern void nullify_nat_entry(struct f2fs_sb_info *, u32);
extern void rewrite_sit_area_bitmap(struct f2fs_sb_info *);
extern void build_nat_area_bitmap(struct f2fs_sb_info *);
extern void build_sit_area_bitmap(struct f2fs_sb_info *);
extern void fsck_init(struct f2fs_sb_info *);
extern int fsck_verify(struct f2fs_sb_info *);
extern void fsck_free(struct f2fs_sb_info *);
extern int f2fs_do_mount(struct f2fs_sb_info *);
extern void f2fs_do_umount(struct f2fs_sb_info *);
extern void flush_journal_entries(struct f2fs_sb_info *);
extern void zero_journal_entries(struct f2fs_sb_info *);
extern void flush_sit_entries(struct f2fs_sb_info *);
extern void move_curseg_info(struct f2fs_sb_info *, u64);
extern void write_curseg_info(struct f2fs_sb_info *);
extern int find_next_free_block(struct f2fs_sb_info *, u64 *, int, int);
extern void write_checkpoint(struct f2fs_sb_info *);
extern void update_data_blkaddr(struct f2fs_sb_info *, nid_t, u16, block_t);
extern void update_nat_blkaddr(struct f2fs_sb_info *, nid_t, nid_t, block_t);
extern void print_raw_sb_info(struct f2fs_super_block *);
extern u32 get_free_segments(struct f2fs_sb_info *);
extern struct f2fs_sit_block *get_current_sit_page(struct f2fs_sb_info *,
unsigned int);
extern void rewrite_current_sit_page(struct f2fs_sb_info *, unsigned int,
struct f2fs_sit_block *);
extern u32 update_nat_bits_flags(struct f2fs_super_block *,
struct f2fs_checkpoint *, u32);
extern void write_nat_bits(struct f2fs_sb_info *, struct f2fs_super_block *,
struct f2fs_checkpoint *, int);
/* dump.c */
struct dump_option {
nid_t nid;
int start_nat;
int end_nat;
int start_sit;
int end_sit;
int start_ssa;
int end_ssa;
int32_t blk_addr;
};
extern void nat_dump(struct f2fs_sb_info *);
extern void sit_dump(struct f2fs_sb_info *, unsigned int, unsigned int);
extern void ssa_dump(struct f2fs_sb_info *, int, int);
extern void dump_node(struct f2fs_sb_info *, nid_t, int);
extern int dump_info_from_blkaddr(struct f2fs_sb_info *, u32);
/* defrag.c */
int f2fs_defragment(struct f2fs_sb_info *, u64, u64, u64, int);
/* resize.c */
int f2fs_resize(struct f2fs_sb_info *);
/* sload.c */
int f2fs_sload(struct f2fs_sb_info *, const char *, const char *,
const char *, struct selabel_handle *);
void reserve_new_block(struct f2fs_sb_info *, block_t *,
struct f2fs_summary *, int);
void new_data_block(struct f2fs_sb_info *, void *,
struct dnode_of_data *, int);
int f2fs_build_file(struct f2fs_sb_info *, struct dentry *);
void f2fs_alloc_nid(struct f2fs_sb_info *, nid_t *, int);
void set_data_blkaddr(struct dnode_of_data *);
block_t new_node_block(struct f2fs_sb_info *,
struct dnode_of_data *, unsigned int);
/* segment.c */
u64 f2fs_read(struct f2fs_sb_info *, nid_t, void *, u64, pgoff_t);
u64 f2fs_write(struct f2fs_sb_info *, nid_t, void *, u64, pgoff_t);
void f2fs_filesize_update(struct f2fs_sb_info *, nid_t, u64);
void get_dnode_of_data(struct f2fs_sb_info *, struct dnode_of_data *,
pgoff_t, int);
void make_dentry_ptr(struct f2fs_dentry_ptr *, struct f2fs_node *, void *, int);
int f2fs_create(struct f2fs_sb_info *, struct dentry *);
int f2fs_mkdir(struct f2fs_sb_info *, struct dentry *);
int f2fs_symlink(struct f2fs_sb_info *, struct dentry *);
int inode_set_selinux(struct f2fs_sb_info *, u32, const char *);
int f2fs_find_path(struct f2fs_sb_info *, char *, nid_t *);
#endif /* _FSCK_H_ */
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