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 */ 17 struct orphan_info { 18 u32 nr_inodes; 19 u32 *ino_list; 20 }; 21 22 struct 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 u32 free_segs; 35 } chk; 36 37 struct hard_link_node *hard_link_list_head; 38 39 char *main_seg_usage; 40 char *main_area_bitmap; 41 char *nat_area_bitmap; 42 char *sit_area_bitmap; 43 44 u64 main_area_bitmap_sz; 45 u32 nat_area_bitmap_sz; 46 u32 sit_area_bitmap_sz; 47 48 u64 nr_main_blks; 49 u32 nr_nat_entries; 50 51 u32 dentry_depth; 52 }; 53 54 #define BLOCK_SZ 4096 55 struct block { 56 unsigned char buf[BLOCK_SZ]; 57 }; 58 59 enum NODE_TYPE { 60 TYPE_INODE = 37, 61 TYPE_DIRECT_NODE = 43, 62 TYPE_INDIRECT_NODE = 53, 63 TYPE_DOUBLE_INDIRECT_NODE = 67, 64 TYPE_XATTR = 77 65 }; 66 67 struct hard_link_node { 68 u32 nid; 69 u32 links; 70 struct hard_link_node *next; 71 }; 72 73 enum seg_type { 74 SEG_TYPE_DATA, 75 SEG_TYPE_CUR_DATA, 76 SEG_TYPE_NODE, 77 SEG_TYPE_CUR_NODE, 78 SEG_TYPE_MAX, 79 }; 80 81 extern void fsck_chk_orphan_node(struct f2fs_sb_info *); 82 extern int fsck_chk_node_blk(struct f2fs_sb_info *, struct f2fs_inode *, u32, 83 enum FILE_TYPE, enum NODE_TYPE, u32 *); 84 extern void fsck_chk_inode_blk(struct f2fs_sb_info *, u32, enum FILE_TYPE, 85 struct f2fs_node *, u32 *, struct node_info *); 86 extern 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 *); 89 extern int fsck_chk_idnode_blk(struct f2fs_sb_info *, struct f2fs_inode *, 90 enum FILE_TYPE, struct f2fs_node *, u32 *); 91 extern int fsck_chk_didnode_blk(struct f2fs_sb_info *, struct f2fs_inode *, 92 enum FILE_TYPE, struct f2fs_node *, u32 *); 93 extern int fsck_chk_data_blk(struct f2fs_sb_info *sbi, u32, u32 *, u32 *, 94 int, enum FILE_TYPE, u32, u16, u8); 95 extern int fsck_chk_dentry_blk(struct f2fs_sb_info *, u32, u32 *, u32 *, int); 96 int fsck_chk_inline_dentries(struct f2fs_sb_info *, struct f2fs_node *, 97 u32 *, u32 *); 98 99 extern void print_node_info(struct f2fs_node *); 100 extern void print_inode_info(struct f2fs_inode *, int); 101 extern struct seg_entry *get_seg_entry(struct f2fs_sb_info *, unsigned int); 102 extern int get_sum_block(struct f2fs_sb_info *, unsigned int, 103 struct f2fs_summary_block *); 104 extern int get_sum_entry(struct f2fs_sb_info *, u32, struct f2fs_summary *); 105 extern void get_node_info(struct f2fs_sb_info *, nid_t, struct node_info *); 106 extern void nullify_nat_entry(struct f2fs_sb_info *, u32); 107 extern void rewrite_sit_area_bitmap(struct f2fs_sb_info *); 108 extern void build_nat_area_bitmap(struct f2fs_sb_info *); 109 extern void build_sit_area_bitmap(struct f2fs_sb_info *); 110 extern void fsck_init(struct f2fs_sb_info *); 111 extern int fsck_verify(struct f2fs_sb_info *); 112 extern void fsck_free(struct f2fs_sb_info *); 113 extern int f2fs_do_mount(struct f2fs_sb_info *); 114 extern void f2fs_do_umount(struct f2fs_sb_info *); 115 116 /* dump.c */ 117 struct dump_option { 118 nid_t nid; 119 int start_sit; 120 int end_sit; 121 int start_ssa; 122 int end_ssa; 123 int32_t blk_addr; 124 }; 125 126 extern void sit_dump(struct f2fs_sb_info *, int, int); 127 extern void ssa_dump(struct f2fs_sb_info *, int, int); 128 extern void dump_node(struct f2fs_sb_info *, nid_t); 129 extern int dump_info_from_blkaddr(struct f2fs_sb_info *, u32); 130 131 #endif /* _FSCK_H_ */ 132