| /** |
| * 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" |
| |
| struct quota_ctx; |
| |
| #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; |
| u32 i_namelen; /* dentry namelen */ |
| }; |
| |
| 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; |
| |
| struct quota_ctx *qctx; |
| }; |
| |
| #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_quota_node(struct f2fs_sb_info *); |
| extern int fsck_chk_quota_files(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 *, struct child_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_sb_info *, struct f2fs_node *, int); |
| extern void print_inode_info(struct f2fs_sb_info *, struct f2fs_node *, 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 int f2fs_set_main_bitmap(struct f2fs_sb_info *, u32, int); |
| extern int f2fs_set_sit_bitmap(struct f2fs_sb_info *, u32); |
| 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 *); |
| |
| /* segment.c */ |
| 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, u8 *, u64, pgoff_t); |
| u64 f2fs_write(struct f2fs_sb_info *, nid_t, u8 *, 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 *); |
| |
| /* xattr.c */ |
| void *read_all_xattrs(struct f2fs_sb_info *, struct f2fs_node *); |
| |
| #endif /* _FSCK_H_ */ |