fsck.h revision 3b4b82634489b2f9d367b1f897d51a341208d163
1/** 2 * fsck.h 3 * 4 * Copyright (c) 2013 Samsung Electronics Co., Ltd. 5 * http://www.samsung.com/ 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11#ifndef _FSCK_H_ 12#define _FSCK_H_ 13 14#include "f2fs.h" 15 16/* fsck.c */ 17struct orphan_info { 18 u32 nr_inodes; 19 u32 *ino_list; 20}; 21 22struct f2fs_fsck { 23 struct f2fs_sb_info sbi; 24 25 struct orphan_info orphani; 26 struct chk_result { 27 u64 valid_blk_cnt; 28 u32 valid_nat_entry_cnt; 29 u32 valid_node_cnt; 30 u32 valid_inode_cnt; 31 u32 multi_hard_link_files; 32 u64 sit_valid_blocks; 33 u32 sit_free_segs; 34 } chk; 35 36 struct hard_link_node *hard_link_list_head; 37 38 char *main_seg_usage; 39 char *main_area_bitmap; 40 char *nat_area_bitmap; 41 char *sit_area_bitmap; 42 43 u64 main_area_bitmap_sz; 44 u32 nat_area_bitmap_sz; 45 u32 sit_area_bitmap_sz; 46 47 u64 nr_main_blks; 48 u32 nr_nat_entries; 49 50 u32 dentry_depth; 51}; 52 53#define BLOCK_SZ 4096 54struct block { 55 unsigned char buf[BLOCK_SZ]; 56}; 57 58enum NODE_TYPE { 59 TYPE_INODE = 37, 60 TYPE_DIRECT_NODE = 43, 61 TYPE_INDIRECT_NODE = 53, 62 TYPE_DOUBLE_INDIRECT_NODE = 67, 63 TYPE_XATTR = 77 64}; 65 66struct hard_link_node { 67 u32 nid; 68 u32 links; 69 struct hard_link_node *next; 70}; 71 72enum seg_type { 73 SEG_TYPE_DATA, 74 SEG_TYPE_CUR_DATA, 75 SEG_TYPE_NODE, 76 SEG_TYPE_CUR_NODE, 77 SEG_TYPE_MAX, 78}; 79 80extern void fsck_chk_xattr_blk(struct f2fs_sb_info *, u32, u32, u32 *); 81extern void fsck_chk_orphan_node(struct f2fs_sb_info *); 82extern int fsck_chk_node_blk(struct f2fs_sb_info *, struct f2fs_inode *, u32, 83 enum FILE_TYPE, enum NODE_TYPE, u32 *); 84extern void fsck_chk_inode_blk(struct f2fs_sb_info *, u32, enum FILE_TYPE, 85 struct f2fs_node *, u32 *, struct node_info *); 86extern int fsck_chk_dnode_blk(struct f2fs_sb_info *, struct f2fs_inode *, 87 u32, enum FILE_TYPE, struct f2fs_node *, u32 *, 88 struct node_info *); 89extern int fsck_chk_idnode_blk(struct f2fs_sb_info *, struct f2fs_inode *, 90 enum FILE_TYPE, struct f2fs_node *, u32 *); 91extern int fsck_chk_didnode_blk(struct f2fs_sb_info *, struct f2fs_inode *, 92 enum FILE_TYPE, struct f2fs_node *, u32 *); 93extern int fsck_chk_data_blk(struct f2fs_sb_info *sbi, u32, u32 *, u32 *, 94 int, enum FILE_TYPE, u32, u16, u8); 95extern int fsck_chk_dentry_blk(struct f2fs_sb_info *, u32, u32 *, u32 *, int); 96 97extern void print_node_info(struct f2fs_node *); 98extern void print_inode_info(struct f2fs_inode *); 99extern struct seg_entry *get_seg_entry(struct f2fs_sb_info *, unsigned int); 100extern int get_sum_block(struct f2fs_sb_info *, unsigned int, 101 struct f2fs_summary_block *); 102extern int get_sum_entry(struct f2fs_sb_info *, u32, struct f2fs_summary *); 103extern void get_node_info(struct f2fs_sb_info *, nid_t, struct node_info *); 104extern void build_nat_area_bitmap(struct f2fs_sb_info *); 105extern int build_sit_area_bitmap(struct f2fs_sb_info *); 106extern void fsck_init(struct f2fs_sb_info *); 107extern int fsck_verify(struct f2fs_sb_info *); 108extern void fsck_free(struct f2fs_sb_info *); 109extern int f2fs_do_mount(struct f2fs_sb_info *); 110extern void f2fs_do_umount(struct f2fs_sb_info *); 111 112/* dump.c */ 113struct dump_option { 114 nid_t nid; 115 int start_sit; 116 int end_sit; 117 int start_ssa; 118 int end_ssa; 119 int32_t blk_addr; 120}; 121 122extern void sit_dump(struct f2fs_sb_info *, int, int); 123extern void ssa_dump(struct f2fs_sb_info *, int, int); 124extern void dump_node(struct f2fs_sb_info *, nid_t); 125extern int dump_inode_from_blkaddr(struct f2fs_sb_info *, u32); 126 127#endif /* _FSCK_H_ */ 128