mirror of https://github.com/vitalif/e2fsprogs
207 lines
5.6 KiB
C
207 lines
5.6 KiB
C
/*
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* e2fsck.h
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*
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* Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
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* redistributed under the terms of the GNU Public License.
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/time.h>
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#ifdef HAVE_LINUX_FS_H
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#include <linux/fs.h>
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#endif
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#include <linux/ext2_fs.h>
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#include "ext2fs/ext2fs.h"
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#ifdef __STDC__
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#define NOARGS void
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#else
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#define NOARGS
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#define const
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#endif
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/*
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* Exit codes used by fsck-type programs
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*/
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#define FSCK_OK 0 /* No errors */
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#define FSCK_NONDESTRUCT 1 /* File system errors corrected */
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#define FSCK_REBOOT 2 /* System should be rebooted */
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#define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */
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#define FSCK_ERROR 8 /* Operational error */
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#define FSCK_USAGE 16 /* Usage or syntax error */
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#define FSCK_LIBRARY 128 /* Shared library error */
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/*
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* The last ext2fs revision level that this version of e2fsck is able to
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* support
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*/
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#define E2FSCK_CURRENT_REV 1
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/*
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* Inode count arrays
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*/
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extern ext2_icount_t inode_count;
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extern ext2_icount_t inode_link_info;
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/*
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* The directory information structure; stores directory information
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* collected in earlier passes, to avoid disk i/o in fetching the
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* directory information.
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*/
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struct dir_info {
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ino_t ino; /* Inode number */
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ino_t dotdot; /* Parent according to '..' */
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ino_t parent; /* Parent according to treewalk */
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};
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/*
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* This structure is used for keeping track of how much resources have
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* been used for a particular pass of e2fsck.
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*/
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struct resource_track {
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struct timeval time_start;
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struct timeval user_start;
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struct timeval system_start;
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void *brk_start;
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};
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/*
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* Variables
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*/
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extern const char * program_name;
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extern const char * device_name;
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extern ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
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extern ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
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extern ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
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extern ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
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extern ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
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extern ext2fs_block_bitmap block_dup_map; /* Blocks which are used by more than once */
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extern const char *fix_msg[2]; /* Fixed or ignored! */
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extern const char *clear_msg[2]; /* Cleared or ignored! */
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extern int *invalid_inode_bitmap;
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extern int *invalid_block_bitmap;
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extern int *invalid_inode_table;
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extern int restart_e2fsck;
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/* Command line options */
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extern int nflag;
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extern int yflag;
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extern int tflag;
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extern int preen;
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extern int verbose;
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extern int list;
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extern int debug;
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extern int force;
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extern int rwflag;
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extern int inode_buffer_blocks;
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extern int process_inode_size;
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extern int directory_blocks;
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extern int no_bad_inode;
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extern int no_lpf;
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extern int lpf_corrupted;
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/* Files counts */
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extern int fs_directory_count;
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extern int fs_regular_count;
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extern int fs_blockdev_count;
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extern int fs_chardev_count;
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extern int fs_links_count;
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extern int fs_symlinks_count;
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extern int fs_fast_symlinks_count;
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extern int fs_fifo_count;
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extern int fs_total_count;
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extern int fs_badblocks_count;
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extern int fs_sockets_count;
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extern int fs_ind_count;
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extern int fs_dind_count;
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extern int fs_tind_count;
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extern int fs_fragmented;
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extern struct resource_track global_rtrack;
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extern int invalid_bitmaps;
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/*
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* For pass1_check_directory and pass1_get_blocks
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*/
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extern ino_t stashed_ino;
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extern struct ext2_inode *stashed_inode;
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/*
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* Procedure declarations
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*/
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extern void pass1(ext2_filsys fs);
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extern void pass1_dupblocks(ext2_filsys fs, char *block_buf);
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extern void pass2(ext2_filsys fs);
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extern void pass3(ext2_filsys fs);
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extern void pass4(ext2_filsys fs);
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extern void pass5(ext2_filsys fs);
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/* pass1.c */
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extern errcode_t pass1_check_directory(ext2_filsys fs, ino_t ino);
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extern errcode_t pass1_get_blocks(ext2_filsys fs, ino_t ino, blk_t *blocks);
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extern errcode_t pass1_read_inode(ext2_filsys fs, ino_t ino,
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struct ext2_inode *inode);
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extern errcode_t pass1_write_inode(ext2_filsys fs, ino_t ino,
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struct ext2_inode *inode);
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/* badblock.c */
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extern void read_bad_blocks_file(ext2_filsys fs, const char *bad_blocks_file,
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int replace_bad_blocks);
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extern void test_disk(ext2_filsys fs);
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/* dirinfo.c */
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extern void add_dir_info(ext2_filsys fs, ino_t ino, ino_t parent);
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extern struct dir_info *get_dir_info(ino_t ino);
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extern void free_dir_info(ext2_filsys fs);
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extern int get_num_dirs(ext2_filsys fs);
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extern struct dir_info *dir_info_iter(int *control);
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/* ehandler.c */
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extern const char *ehandler_operation(const char *op);
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extern void ehandler_init(io_channel channel);
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/* swapfs.c */
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void swap_filesys(ext2_filsys fs);
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/* util.c */
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extern void *allocate_memory(int size, const char *description);
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extern int ask(const char * string, int def);
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extern int ask_yn(const char * string, int def);
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extern void fatal_error (const char * fmt_string);
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extern void read_bitmaps(ext2_filsys fs);
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extern void write_bitmaps(ext2_filsys fs);
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extern void preenhalt(ext2_filsys fs);
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extern void print_resource_track(struct resource_track *track);
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extern void init_resource_track(struct resource_track *track);
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extern int inode_has_valid_blocks(struct ext2_inode *inode);
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extern void e2fsck_read_inode(ext2_filsys fs, unsigned long ino,
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struct ext2_inode * inode, const char * proc);
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extern void e2fsck_write_inode(ext2_filsys fs, unsigned long ino,
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struct ext2_inode * inode, const char * proc);
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#ifdef MTRACE
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extern void mtrace_print(char *mesg);
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#endif
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#define die(str) fatal_error(str)
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/*
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* pass3.c
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*/
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extern int reconnect_file(ext2_filsys fs, ino_t inode);
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