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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"
/* fsck.c */
struct orphan_info {
u32 nr_inodes;
u32 *ino_list;
};
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;
};
#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
};
struct hard_link_node {
u32 nid;
u32 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,
};
extern int fsck_chk_xattr_blk(struct f2fs_sb_info *sbi, u32 ino, u32 x_nid, u32 *blk_cnt);
extern int fsck_chk_orphan_node(struct f2fs_sb_info *sbi);
extern int fsck_chk_node_blk(struct f2fs_sb_info *sbi,
struct f2fs_inode *inode,
u32 nid,
enum FILE_TYPE ftype,
enum NODE_TYPE ntype,
u32 *blk_cnt);
extern int fsck_chk_inode_blk(struct f2fs_sb_info *sbi,
u32 nid,
enum FILE_TYPE ftype,
struct f2fs_node *node_blk,
u32 *blk_cnt,
struct node_info *ni);
extern int fsck_chk_dnode_blk(struct f2fs_sb_info *sbi,
struct f2fs_inode *inode,
u32 nid,
enum FILE_TYPE ftype,
struct f2fs_node *node_blk,
u32 *blk_cnt,
struct node_info *ni);
extern int fsck_chk_idnode_blk(struct f2fs_sb_info *sbi,
struct f2fs_inode *inode,
u32 nid,
enum FILE_TYPE ftype,
struct f2fs_node *node_blk,
u32 *blk_cnt);
extern int fsck_chk_didnode_blk(struct f2fs_sb_info *sbi,
struct f2fs_inode *inode,
u32 nid,
enum FILE_TYPE ftype,
struct f2fs_node *node_blk,
u32 *blk_cnt);
extern int fsck_chk_data_blk(struct f2fs_sb_info *sbi,
struct f2fs_inode *inode,
u32 blk_addr,
u32 *child_cnt,
u32 *child_files,
int last_blk,
enum FILE_TYPE ftype,
u32 parent_nid,
u16 idx_in_node,
u8 ver);
extern int fsck_chk_dentry_blk(struct f2fs_sb_info *sbi,
struct f2fs_inode *inode,
u32 blk_addr,
u32 *child_cnt,
u32 *child_files,
int last_blk);
extern void print_node_info(struct f2fs_node *node_block);
extern void print_inode_info(struct f2fs_inode *inode);
extern struct seg_entry *get_seg_entry(struct f2fs_sb_info *sbi, unsigned int segno);
extern int get_sum_block(struct f2fs_sb_info *sbi, unsigned int segno, struct f2fs_summary_block *sum_blk);
extern int get_sum_entry(struct f2fs_sb_info *sbi, u32 blk_addr, struct f2fs_summary *sum_entry);
extern int get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni);
extern void build_nat_area_bitmap(struct f2fs_sb_info *sbi);
extern int build_sit_area_bitmap(struct f2fs_sb_info *sbi);
extern int fsck_init(struct f2fs_sb_info *sbi);
extern int fsck_verify(struct f2fs_sb_info *sbi);
extern void fsck_free(struct f2fs_sb_info *sbi);
extern int f2fs_do_mount(struct f2fs_sb_info *sbi);
extern void f2fs_do_umount(struct f2fs_sb_info *sbi);
/* dump.c */
struct dump_option {
nid_t nid;
int start_sit;
int end_sit;
int start_ssa;
int end_ssa;
u32 blk_addr;
};
extern void sit_dump(struct f2fs_sb_info *sbi, int start_sit, int end_sit);
extern void ssa_dump(struct f2fs_sb_info *sbi, int start_ssa, int end_ssa);
extern int dump_node(struct f2fs_sb_info *sbi, nid_t nid);
extern int dump_inode_from_blkaddr(struct f2fs_sb_info *sbi, u32 blk_addr);
#endif /* _FSCK_H_ */
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