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315 lines
9.9 KiB
315 lines
9.9 KiB
/**
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* fsck.h
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*
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* Copyright (c) 2013 Samsung Electronics Co., Ltd.
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* http://www.samsung.com/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef _FSCK_H_
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#define _FSCK_H_
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#include "f2fs.h"
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enum {
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FSCK_SUCCESS = 0,
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FSCK_ERROR_CORRECTED = 1 << 0,
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FSCK_SYSTEM_SHOULD_REBOOT = 1 << 1,
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FSCK_ERRORS_LEFT_UNCORRECTED = 1 << 2,
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FSCK_OPERATIONAL_ERROR = 1 << 3,
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FSCK_USAGE_OR_SYNTAX_ERROR = 1 << 4,
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FSCK_USER_CANCELLED = 1 << 5,
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FSCK_SHARED_LIB_ERROR = 1 << 7,
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};
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struct quota_ctx;
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#define FSCK_UNMATCHED_EXTENT 0x00000001
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#define FSCK_INLINE_INODE 0x00000002
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enum {
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PREEN_MODE_0,
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PREEN_MODE_1,
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PREEN_MODE_2,
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PREEN_MODE_MAX
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};
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enum {
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NOERROR,
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EWRONG_OPT,
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ENEED_ARG,
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EUNKNOWN_OPT,
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EUNKNOWN_ARG,
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};
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enum SB_ADDR {
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SB0_ADDR = 0,
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SB1_ADDR,
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SB_MAX_ADDR,
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};
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#define SB_MASK(i) (1 << i)
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#define SB_MASK_ALL (SB_MASK(SB0_ADDR) | SB_MASK(SB1_ADDR))
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/* fsck.c */
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struct orphan_info {
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u32 nr_inodes;
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u32 *ino_list;
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};
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struct extent_info {
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u32 fofs; /* start offset in a file */
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u32 blk; /* start block address of the extent */
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u32 len; /* length of the extent */
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};
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struct child_info {
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u32 state;
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u32 links;
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u32 files;
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u32 pgofs;
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u8 dots;
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u8 dir_level;
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u32 p_ino; /*parent ino*/
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u32 pp_ino; /*parent parent ino*/
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struct extent_info ei;
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u32 last_blk;
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u32 i_namelen; /* dentry namelen */
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};
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struct f2fs_fsck {
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struct f2fs_sb_info sbi;
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struct orphan_info orphani;
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struct chk_result {
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u64 valid_blk_cnt;
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u32 valid_nat_entry_cnt;
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u32 valid_node_cnt;
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u32 valid_inode_cnt;
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u32 multi_hard_link_files;
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u64 sit_valid_blocks;
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u32 sit_free_segs;
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u32 wp_fixed;
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u32 wp_inconsistent_zones;
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} chk;
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struct hard_link_node *hard_link_list_head;
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char *main_seg_usage;
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char *main_area_bitmap;
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char *nat_area_bitmap;
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char *sit_area_bitmap;
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u64 main_area_bitmap_sz;
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u32 nat_area_bitmap_sz;
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u32 sit_area_bitmap_sz;
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u64 nr_main_blks;
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u32 nr_nat_entries;
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u32 dentry_depth;
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struct f2fs_nat_entry *entries;
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u32 nat_valid_inode_cnt;
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struct quota_ctx *qctx;
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};
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#define BLOCK_SZ 4096
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struct block {
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unsigned char buf[BLOCK_SZ];
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};
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enum NODE_TYPE {
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TYPE_INODE = 37,
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TYPE_DIRECT_NODE = 43,
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TYPE_INDIRECT_NODE = 53,
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TYPE_DOUBLE_INDIRECT_NODE = 67,
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TYPE_XATTR = 77
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};
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struct hard_link_node {
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u32 nid;
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u32 links;
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u32 actual_links;
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struct hard_link_node *next;
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};
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enum seg_type {
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SEG_TYPE_DATA,
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SEG_TYPE_CUR_DATA,
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SEG_TYPE_NODE,
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SEG_TYPE_CUR_NODE,
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SEG_TYPE_MAX,
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};
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struct selabel_handle;
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static inline bool need_fsync_data_record(struct f2fs_sb_info *sbi)
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{
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return !is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG) ||
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c.zoned_model == F2FS_ZONED_HM;
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}
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extern int fsck_chk_orphan_node(struct f2fs_sb_info *);
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extern int fsck_chk_quota_node(struct f2fs_sb_info *);
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extern int fsck_chk_quota_files(struct f2fs_sb_info *);
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extern int fsck_sanity_check_nid(struct f2fs_sb_info *, u32,
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struct f2fs_node *, enum FILE_TYPE, enum NODE_TYPE,
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struct node_info *);
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extern int fsck_chk_node_blk(struct f2fs_sb_info *, struct f2fs_inode *, u32,
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enum FILE_TYPE, enum NODE_TYPE, u32 *,
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struct child_info *);
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extern void fsck_chk_inode_blk(struct f2fs_sb_info *, u32, enum FILE_TYPE,
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struct f2fs_node *, u32 *, struct node_info *, struct child_info *);
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extern int fsck_chk_dnode_blk(struct f2fs_sb_info *, struct f2fs_inode *,
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u32, enum FILE_TYPE, struct f2fs_node *, u32 *,
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struct child_info *, struct node_info *);
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extern int fsck_chk_idnode_blk(struct f2fs_sb_info *, struct f2fs_inode *,
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enum FILE_TYPE, struct f2fs_node *, u32 *, struct child_info *);
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extern int fsck_chk_didnode_blk(struct f2fs_sb_info *, struct f2fs_inode *,
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enum FILE_TYPE, struct f2fs_node *, u32 *, struct child_info *);
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extern int fsck_chk_data_blk(struct f2fs_sb_info *, int,
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u32, struct child_info *, int, enum FILE_TYPE, u32, u16, u8, int);
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extern int fsck_chk_dentry_blk(struct f2fs_sb_info *, int,
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u32, struct child_info *, int, int);
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int fsck_chk_inline_dentries(struct f2fs_sb_info *, struct f2fs_node *,
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struct child_info *);
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void fsck_chk_checkpoint(struct f2fs_sb_info *sbi);
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int fsck_chk_meta(struct f2fs_sb_info *sbi);
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void fsck_chk_and_fix_write_pointers(struct f2fs_sb_info *);
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int fsck_chk_curseg_info(struct f2fs_sb_info *);
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void pretty_print_filename(const u8 *raw_name, u32 len,
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char out[F2FS_PRINT_NAMELEN], int enc_name);
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extern void update_free_segments(struct f2fs_sb_info *);
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void print_cp_state(u32);
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extern void print_node_info(struct f2fs_sb_info *, struct f2fs_node *, int);
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extern void print_inode_info(struct f2fs_sb_info *, struct f2fs_node *, int);
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extern struct seg_entry *get_seg_entry(struct f2fs_sb_info *, unsigned int);
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extern struct f2fs_summary_block *get_sum_block(struct f2fs_sb_info *,
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unsigned int, int *);
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extern int get_sum_entry(struct f2fs_sb_info *, u32, struct f2fs_summary *);
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extern void update_sum_entry(struct f2fs_sb_info *, block_t,
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struct f2fs_summary *);
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extern void get_node_info(struct f2fs_sb_info *, nid_t, struct node_info *);
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extern void nullify_nat_entry(struct f2fs_sb_info *, u32);
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extern void rewrite_sit_area_bitmap(struct f2fs_sb_info *);
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extern void build_nat_area_bitmap(struct f2fs_sb_info *);
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extern void build_sit_area_bitmap(struct f2fs_sb_info *);
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extern int f2fs_set_main_bitmap(struct f2fs_sb_info *, u32, int);
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extern int f2fs_set_sit_bitmap(struct f2fs_sb_info *, u32);
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extern void fsck_init(struct f2fs_sb_info *);
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extern int fsck_verify(struct f2fs_sb_info *);
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extern void fsck_free(struct f2fs_sb_info *);
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extern int f2fs_ra_meta_pages(struct f2fs_sb_info *, block_t, int, int);
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extern int f2fs_do_mount(struct f2fs_sb_info *);
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extern void f2fs_do_umount(struct f2fs_sb_info *);
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extern int f2fs_sparse_initialize_meta(struct f2fs_sb_info *);
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extern void flush_journal_entries(struct f2fs_sb_info *);
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extern void update_curseg_info(struct f2fs_sb_info *, int);
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extern void zero_journal_entries(struct f2fs_sb_info *);
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extern void flush_sit_entries(struct f2fs_sb_info *);
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extern void move_curseg_info(struct f2fs_sb_info *, u64, int);
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extern void write_curseg_info(struct f2fs_sb_info *);
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extern int find_next_free_block(struct f2fs_sb_info *, u64 *, int, int, bool);
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extern void duplicate_checkpoint(struct f2fs_sb_info *);
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extern void write_checkpoint(struct f2fs_sb_info *);
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extern void write_checkpoints(struct f2fs_sb_info *);
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extern void update_superblock(struct f2fs_super_block *, int);
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extern void update_data_blkaddr(struct f2fs_sb_info *, nid_t, u16, block_t);
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extern void update_nat_blkaddr(struct f2fs_sb_info *, nid_t, nid_t, block_t);
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extern void print_raw_sb_info(struct f2fs_super_block *);
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extern pgoff_t current_nat_addr(struct f2fs_sb_info *, nid_t, int *);
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extern u32 get_free_segments(struct f2fs_sb_info *);
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extern void get_current_sit_page(struct f2fs_sb_info *,
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unsigned int, struct f2fs_sit_block *);
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extern void rewrite_current_sit_page(struct f2fs_sb_info *, unsigned int,
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struct f2fs_sit_block *);
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extern u32 update_nat_bits_flags(struct f2fs_super_block *,
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struct f2fs_checkpoint *, u32);
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extern void write_nat_bits(struct f2fs_sb_info *, struct f2fs_super_block *,
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struct f2fs_checkpoint *, int);
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extern unsigned int get_usable_seg_count(struct f2fs_sb_info *);
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extern bool is_usable_seg(struct f2fs_sb_info *, unsigned int);
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/* dump.c */
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struct dump_option {
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nid_t nid;
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nid_t start_nat;
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nid_t end_nat;
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int start_sit;
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int end_sit;
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int start_ssa;
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int end_ssa;
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int32_t blk_addr;
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};
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extern void nat_dump(struct f2fs_sb_info *, nid_t, nid_t);
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extern void sit_dump(struct f2fs_sb_info *, unsigned int, unsigned int);
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extern void ssa_dump(struct f2fs_sb_info *, int, int);
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extern void dump_node(struct f2fs_sb_info *, nid_t, int);
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extern int dump_info_from_blkaddr(struct f2fs_sb_info *, u32);
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extern unsigned int start_bidx_of_node(unsigned int, struct f2fs_node *);
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/* defrag.c */
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int f2fs_defragment(struct f2fs_sb_info *, u64, u64, u64, int);
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/* resize.c */
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int f2fs_resize(struct f2fs_sb_info *);
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/* sload.c */
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int f2fs_sload(struct f2fs_sb_info *);
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/* segment.c */
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int reserve_new_block(struct f2fs_sb_info *, block_t *,
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struct f2fs_summary *, int, bool);
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int new_data_block(struct f2fs_sb_info *, void *,
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struct dnode_of_data *, int);
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int f2fs_build_file(struct f2fs_sb_info *, struct dentry *);
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void f2fs_alloc_nid(struct f2fs_sb_info *, nid_t *);
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void set_data_blkaddr(struct dnode_of_data *);
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block_t new_node_block(struct f2fs_sb_info *,
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struct dnode_of_data *, unsigned int);
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/* segment.c */
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struct quota_file;
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u64 f2fs_quota_size(struct quota_file *);
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u64 f2fs_read(struct f2fs_sb_info *, nid_t, u8 *, u64, pgoff_t);
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enum wr_addr_type {
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WR_NORMAL = 1,
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WR_COMPRESS_DATA = 2,
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WR_NULL_ADDR = NULL_ADDR, /* 0 */
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WR_NEW_ADDR = NEW_ADDR, /* -1U */
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WR_COMPRESS_ADDR = COMPRESS_ADDR, /* -2U */
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};
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u64 f2fs_write(struct f2fs_sb_info *, nid_t, u8 *, u64, pgoff_t);
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u64 f2fs_write_compress_data(struct f2fs_sb_info *, nid_t, u8 *, u64, pgoff_t);
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u64 f2fs_write_addrtag(struct f2fs_sb_info *, nid_t, pgoff_t, unsigned int);
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void f2fs_filesize_update(struct f2fs_sb_info *, nid_t, u64);
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int get_dnode_of_data(struct f2fs_sb_info *, struct dnode_of_data *,
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pgoff_t, int);
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void make_dentry_ptr(struct f2fs_dentry_ptr *, struct f2fs_node *, void *, int);
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int f2fs_create(struct f2fs_sb_info *, struct dentry *);
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int f2fs_mkdir(struct f2fs_sb_info *, struct dentry *);
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int f2fs_symlink(struct f2fs_sb_info *, struct dentry *);
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int inode_set_selinux(struct f2fs_sb_info *, u32, const char *);
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int f2fs_find_path(struct f2fs_sb_info *, char *, nid_t *);
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nid_t f2fs_lookup(struct f2fs_sb_info *, struct f2fs_node *, u8 *, int);
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int f2fs_add_link(struct f2fs_sb_info *, struct f2fs_node *,
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const unsigned char *, int, nid_t, int, block_t, int);
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struct hardlink_cache_entry *f2fs_search_hardlink(struct f2fs_sb_info *sbi,
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struct dentry *de);
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/* xattr.c */
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void *read_all_xattrs(struct f2fs_sb_info *, struct f2fs_node *);
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#endif /* _FSCK_H_ */
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