| /** |
| * 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, |
| }; |
| |
| |
| extern int fsck_chk_xattr_blk(struct f2fs_sb_info *sbi, 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 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; |
| }; |
| |
| 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 void dump_cleanup(struct f2fs_sb_info *sbi); |
| |
| #endif /* _FSCK_H_ */ |