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/*
* e2fsck.h
*
* Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
* redistributed under the terms of the GNU Public License.
*
*/
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/time.h>
#ifdef HAVE_LINUX_FS_H
#include <linux/fs.h>
#endif
#include <linux/ext2_fs.h>
#include "ext2fs/ext2fs.h"
#ifdef __STDC__
#define NOARGS void
#else
#define NOARGS
#define const
#endif
/*
* Exit codes used by fsck-type programs
*/
#define FSCK_OK 0 /* No errors */
#define FSCK_NONDESTRUCT 1 /* File system errors corrected */
#define FSCK_REBOOT 2 /* System should be rebooted */
#define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */
#define FSCK_ERROR 8 /* Operational error */
#define FSCK_USAGE 16 /* Usage or syntax error */
#define FSCK_LIBRARY 128 /* Shared library error */
/*
* The last ext2fs revision level that this version of e2fsck is able to
* support
*/
#define E2FSCK_CURRENT_REV 0
/*
* Inode count arrays
*/
extern unsigned short * inode_count;
extern unsigned short * inode_link_info;
/*
* The directory information structure; stores directory information
* collected in earlier passes, to avoid disk i/o in fetching the
* directoryt information.
*/
struct dir_info {
ino_t ino; /* Inode number */
ino_t dotdot; /* Parent according to '..' */
ino_t parent; /* Parent according to treewalk */
};
struct dir_block_struct {
ino_t ino;
blk_t blk;
int blockcnt;
};
struct dir_block_struct *dir_blocks;
int dir_block_count;
int dir_block_size;
/*
* This structure is used for keeping track of how much resources have
* been used for a particular pass of e2fsck.
*/
struct resource_track {
struct timeval time_start;
struct timeval user_start;
struct timeval system_start;
void *brk_start;
};
/*
* Variables
*/
extern const char * program_name;
extern const char * device_name;
extern ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
extern ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
extern ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
extern ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
extern ext2fs_block_bitmap block_dup_map; /* Blocks which are used by more than once */
extern const char *fix_msg[2]; /* Fixed or ignored! */
extern const char *clear_msg[2]; /* Cleared or ignored! */
extern int *invalid_inode_bitmap;
extern int *invalid_block_bitmap;
extern int *invalid_inode_table;
extern int restart_e2fsck;
/* Command line options */
extern int nflag;
extern int yflag;
extern int tflag;
extern int preen;
extern int verbose;
extern int list;
extern int debug;
extern int force;
extern int rwflag;
extern int inode_buffer_blocks;
extern int process_inode_size;
extern int directory_blocks;
extern int no_bad_inode;
extern int no_lpf;
extern int lpf_corrupted;
/* Files counts */
extern int fs_directory_count;
extern int fs_regular_count;
extern int fs_blockdev_count;
extern int fs_chardev_count;
extern int fs_links_count;
extern int fs_symlinks_count;
extern int fs_fast_symlinks_count;
extern int fs_fifo_count;
extern int fs_total_count;
extern int fs_badblocks_count;
extern int fs_sockets_count;
extern int fs_ind_count;
extern int fs_dind_count;
extern int fs_tind_count;
extern int fs_fragmented;
extern struct resource_track global_rtrack;
extern int invalid_bitmaps;
/*
* Procedure declarations
*/
extern void pass1(ext2_filsys fs);
extern void pass1_dupblocks(ext2_filsys fs, char *block_buf);
extern void pass2(ext2_filsys fs);
extern void pass3(ext2_filsys fs);
extern void pass4(ext2_filsys fs);
extern void pass5(ext2_filsys fs);
/* badblock.c */
extern void read_bad_blocks_file(ext2_filsys fs, const char *bad_blocks_file,
int replace_bad_blocks);
extern void test_disk(ext2_filsys fs);
/* dirinfo.c */
extern void add_dir_info(ext2_filsys fs, ino_t ino, ino_t parent,
struct ext2_inode *inode);
extern struct dir_info *get_dir_info(ino_t ino);
extern void free_dir_info(ext2_filsys fs);
extern int get_num_dirs(ext2_filsys fs);
/* ehandler.c */
extern const char *ehandler_operation(const char *op);
extern void ehandler_init(io_channel channel);
/* util.c */
extern void *allocate_memory(int size, const char *description);
extern int ask(const char * string, int def);
extern int ask_yn(const char * string, int def);
extern void fatal_error (const char * fmt_string);
extern void read_bitmaps(ext2_filsys fs);
extern void write_bitmaps(ext2_filsys fs);
extern void preenhalt(ext2_filsys fs);
extern void print_resource_track(struct resource_track *track);
extern void init_resource_track(struct resource_track *track);
extern int inode_has_valid_blocks(struct ext2_inode *inode);
extern void e2fsck_read_inode(ext2_filsys fs, unsigned long ino,
struct ext2_inode * inode, const char * proc);
extern void e2fsck_write_inode(ext2_filsys fs, unsigned long ino,
struct ext2_inode * inode, const char * proc);
#ifdef MTRACE
extern void mtrace_print(char *mesg);
#endif
#define die(str) fatal_error(str)
/*
* pass3.c
*/
extern int reconnect_file(ext2_filsys fs, ino_t inode);
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