fsck.h

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#ifndef _FSCK_H_
#define _FSCK_H_
 
#include "f2fs.h"
 
enum {
    FSCK_SUCCESS                 = 0,
    FSCK_ERROR_CORRECTED         = 1 << 0,
    FSCK_SYSTEM_SHOULD_REBOOT    = 1 << 1,
    FSCK_ERRORS_LEFT_UNCORRECTED = 1 << 2,
    FSCK_OPERATIONAL_ERROR       = 1 << 3,
    FSCK_USAGE_OR_SYNTAX_ERROR   = 1 << 4,
    FSCK_USER_CANCELLED          = 1 << 5,
    FSCK_SHARED_LIB_ERROR        = 1 << 7,
};
 
struct quota_ctx;
 
#define FSCK_UNMATCHED_EXTENT       0x00000001
#define FSCK_INLINE_INODE       0x00000002
 
enum {
    PREEN_MODE_0,
    PREEN_MODE_1,
    PREEN_MODE_2,
    PREEN_MODE_MAX
};
 
enum {
    NOERROR,
    EWRONG_OPT,
    ENEED_ARG,
    EUNKNOWN_OPT,
    EUNKNOWN_ARG,
};
 
enum SB_ADDR {
    SB0_ADDR = 0,
    SB1_ADDR,
    SB_MAX_ADDR,
};
 
#define SB_MASK(i)  (1 << (i))
#define SB_MASK_ALL (SB_MASK(SB0_ADDR) | SB_MASK(SB1_ADDR))
 
/* 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 dot;
    u8 dotdot;
    u8 dir_level;
    u32 p_ino;      /* parent ino */
    char p_name[F2FS_NAME_LEN + 1]; /* parent name */
    u32 pp_ino;     /* parent parent ino*/
    struct extent_info ei;
    u32 last_blk;
    u32 i_namelen;  /* dentry namelen */
};
 
struct f2fs_dentry {
    char name[F2FS_NAME_LEN + 1];
    int depth;
    struct f2fs_dentry *next;
};
 
struct f2fs_fsck {
    struct f2fs_sb_info sbi;
 
    struct orphan_info orphani;
    struct chk_result {
        u64 checked_node_cnt;
        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;
        u32 wp_fixed;
        u32 wp_inconsistent_zones;
    } 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_dentry *dentry;
    struct f2fs_dentry *dentry_end;
    struct f2fs_nat_entry *entries;
    u32 nat_valid_inode_cnt;
 
    struct quota_ctx *qctx;
};
 
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;
 
static inline bool need_fsync_data_record(struct f2fs_sb_info *sbi)
{
    return !is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG);
}
 
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_sanity_check_nid(struct f2fs_sb_info *, u32,
                    enum FILE_TYPE, enum NODE_TYPE);
extern int fsck_sanity_check_nat(struct f2fs_sb_info *sbi, u32 nid);
extern int fsck_chk_node_blk(struct f2fs_sb_info *, struct f2fs_inode *, u32,
        enum FILE_TYPE, enum NODE_TYPE, u32 *,
        struct f2fs_compr_blk_cnt *, struct child_info *);
extern int fsck_chk_root_inode(struct f2fs_sb_info *);
extern void fsck_chk_inode_blk(struct f2fs_sb_info *, u32, enum FILE_TYPE,
        struct f2fs_node *, u32 *, struct f2fs_compr_blk_cnt *,
        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 f2fs_compr_blk_cnt *, 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 f2fs_compr_blk_cnt *, struct child_info *);
extern int fsck_chk_didnode_blk(struct f2fs_sb_info *, struct f2fs_inode *,
        enum FILE_TYPE, struct f2fs_node *, u32 *,
        struct f2fs_compr_blk_cnt *, struct child_info *);
extern int fsck_chk_data_blk(struct f2fs_sb_info *, struct f2fs_inode *,
        u32, struct child_info *, int, enum FILE_TYPE, u32, u16, u8,
        struct f2fs_node *);
extern int fsck_chk_dentry_blk(struct f2fs_sb_info *, int,
        u32, struct child_info *, int, int, struct f2fs_node *);
int fsck_chk_inline_dentries(struct f2fs_sb_info *, struct f2fs_node *,
        struct child_info *);
void fsck_chk_checkpoint(struct f2fs_sb_info *sbi);
void fsck_update_sb_flags(struct f2fs_sb_info *sbi);
int fsck_chk_meta(struct f2fs_sb_info *sbi);
void fsck_chk_and_fix_write_pointers(struct f2fs_sb_info *);
int fsck_chk_curseg_info(struct f2fs_sb_info *);
void pretty_print_filename(const u8 *raw_name, u32 len,
               char out[F2FS_PRINT_NAMELEN], int enc_name);
 
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_clear_main_bitmap(struct f2fs_sb_info *, u32);
extern int f2fs_set_sit_bitmap(struct f2fs_sb_info *, u32);
extern int f2fs_clear_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 bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi,
                    block_t blkaddr, int type);
extern int f2fs_ra_meta_pages(struct f2fs_sb_info *, block_t, int, int);
extern int f2fs_do_mount(struct f2fs_sb_info *);
extern void f2fs_do_umount(struct f2fs_sb_info *);
extern int f2fs_sparse_initialize_meta(struct f2fs_sb_info *);
 
extern void flush_journal_entries(struct f2fs_sb_info *);
extern void update_curseg_info(struct f2fs_sb_info *, int);
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, int);
extern void move_one_curseg_info(struct f2fs_sb_info *sbi, u64 from, int left,
                 int i);
extern void write_curseg_info(struct f2fs_sb_info *);
extern void save_curseg_warm_node_info(struct f2fs_sb_info *);
extern void restore_curseg_warm_node_info(struct f2fs_sb_info *);
extern int find_next_free_block(struct f2fs_sb_info *, u64 *, int, int, bool);
extern void duplicate_checkpoint(struct f2fs_sb_info *);
extern void write_checkpoint(struct f2fs_sb_info *);
extern void write_checkpoints(struct f2fs_sb_info *);
extern void write_raw_cp_blocks(struct f2fs_sb_info *sbi,
            struct f2fs_checkpoint *cp, int which);
extern void update_superblock(struct f2fs_super_block *, int);
extern void update_data_blkaddr(struct f2fs_sb_info *, nid_t, u16, block_t,
            struct f2fs_node *);
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 void print_ckpt_info(struct f2fs_sb_info *);
extern bool is_checkpoint_stop(struct f2fs_super_block *, bool);
extern bool is_inconsistent_error(struct f2fs_super_block *);
extern pgoff_t current_nat_addr(struct f2fs_sb_info *, nid_t, int *);
 
extern u32 get_free_segments(struct f2fs_sb_info *);
extern void get_current_sit_page(struct f2fs_sb_info *,
            unsigned int, struct f2fs_sit_block *);
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);
extern unsigned int get_usable_seg_count(struct f2fs_sb_info *);
extern bool is_usable_seg(struct f2fs_sb_info *, unsigned int);
 
/* dump.c */
struct dump_option {
    nid_t nid;
    nid_t start_nat;
    nid_t end_nat;
    int start_sit;
    int end_sit;
    int start_ssa;
    int end_ssa;
    int32_t blk_addr;
    nid_t scan_nid;
    int use_root_nid;
    char *base_path;
};
 
extern void nat_dump(struct f2fs_sb_info *, nid_t, nid_t);
extern void sit_dump(struct f2fs_sb_info *, unsigned int, unsigned int);
extern void ssa_dump(struct f2fs_sb_info *, int, int);
extern int dump_node(struct f2fs_sb_info *, nid_t, int, char *, int, int, char *);
extern int dump_info_from_blkaddr(struct f2fs_sb_info *, u32);
extern unsigned int start_bidx_of_node(unsigned int, struct f2fs_node *);
extern void dump_node_scan_disk(struct f2fs_sb_info *sbi, nid_t nid);
extern bool is_sit_bitmap_set(struct f2fs_sb_info *sbi, u32 blk_addr);
 
/* 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 */
int reserve_new_block(struct f2fs_sb_info *, block_t *,
                    struct f2fs_summary *, int, bool);
int 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 *);
void set_data_blkaddr(struct dnode_of_data *);
block_t new_node_block(struct f2fs_sb_info *,
                    struct dnode_of_data *, unsigned int);
int f2fs_rebuild_qf_inode(struct f2fs_sb_info *sbi, int qtype);
int update_block(struct f2fs_sb_info *sbi, void *buf, u32 *blkaddr,
                    struct f2fs_node *node_blk);
 
/* segment.c */
struct quota_file;
u64 f2fs_quota_size(struct quota_file *);
u64 f2fs_read(struct f2fs_sb_info *, nid_t, u8 *, u64, pgoff_t);
enum wr_addr_type {
    WR_NORMAL = 1,
    WR_COMPRESS_DATA = 2,
    WR_NULL_ADDR = NULL_ADDR,       /* 0 */
    WR_NEW_ADDR = NEW_ADDR,         /* -1U */
    WR_COMPRESS_ADDR = COMPRESS_ADDR,   /* -2U */
};
u64 f2fs_write(struct f2fs_sb_info *, nid_t, u8 *, u64, pgoff_t);
u64 f2fs_write_compress_data(struct f2fs_sb_info *, nid_t, u8 *, u64, pgoff_t);
u64 f2fs_write_addrtag(struct f2fs_sb_info *, nid_t, pgoff_t, unsigned int);
void f2fs_filesize_update(struct f2fs_sb_info *, nid_t, u64);
 
int 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 *);
nid_t f2fs_lookup(struct f2fs_sb_info *, struct f2fs_node *, u8 *, int);
int f2fs_add_link(struct f2fs_sb_info *, struct f2fs_node *,
        const unsigned char *, int, nid_t, int, block_t *, int);
struct hardlink_cache_entry *f2fs_search_hardlink(struct f2fs_sb_info *sbi,
                        struct dentry *de);
 
/* xattr.c */
void *read_all_xattrs(struct f2fs_sb_info *, struct f2fs_node *, bool);
void write_all_xattrs(struct f2fs_sb_info *sbi,
        struct f2fs_node *inode, __u32 hsize, void *txattr_addr);
 
/* dir.c */
int convert_inline_dentry(struct f2fs_sb_info *sbi, struct f2fs_node *node,
        block_t *p_blkaddr);
 
/* node.c */
int update_inode(struct f2fs_sb_info *sbi, struct f2fs_node *inode,
        u32 *blkaddr);
 
/* mount.c */
int flush_nat_journal_entries(struct f2fs_sb_info *sbi);
int flush_sit_journal_entries(struct f2fs_sb_info *sbi);
 
/* main.c */
int is_digits(char *optarg);
 
#endif /* _FSCK_H_ */