mirror of https://github.com/vitalif/e2fsprogs
582 lines
17 KiB
C
582 lines
17 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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#ifndef _E2FSCK_H
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#define _E2FSCK_H
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#include <stdio.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <stdlib.h>
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#include <time.h>
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_SETJMP_H
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#include <setjmp.h>
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#endif
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#if EXT2_FLAT_INCLUDES
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#include "ext2_fs.h"
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#include "ext2fs.h"
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#include "blkid.h"
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#else
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#include "ext2fs/ext2_fs.h"
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#include "ext2fs/ext2fs.h"
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#include "blkid/blkid.h"
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#endif
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#include "profile.h"
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#include "prof_err.h"
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#ifdef ENABLE_NLS
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#include <libintl.h>
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#include <locale.h>
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#define _(a) (gettext (a))
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#ifdef gettext_noop
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#define N_(a) gettext_noop (a)
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#else
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#define N_(a) (a)
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#endif
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#define P_(singular, plural, n) (ngettext (singular, plural, n))
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#ifndef NLS_CAT_NAME
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#define NLS_CAT_NAME "e2fsprogs"
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#endif
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#ifndef LOCALEDIR
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#define LOCALEDIR "/usr/share/locale"
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#endif
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#else
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#define _(a) (a)
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#define N_(a) a
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#define P_(singular, plural, n) ((n) == 1 ? (singular) : (plural))
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#endif
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#ifdef __GNUC__
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#define E2FSCK_ATTR(x) __attribute__(x)
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#else
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#define E2FSCK_ATTR(x)
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#endif
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#include "quota/mkquota.h"
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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_CANCELED 32 /* Aborted with a signal or ^C */
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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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* 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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ext2_ino_t ino; /* Inode number */
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ext2_ino_t dotdot; /* Parent according to '..' */
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ext2_ino_t parent; /* Parent according to treewalk */
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};
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/*
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* The indexed directory information structure; stores information for
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* directories which contain a hash tree index.
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*/
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struct dx_dir_info {
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ext2_ino_t ino; /* Inode number */
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int numblocks; /* number of blocks */
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int hashversion;
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short depth; /* depth of tree */
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struct dx_dirblock_info *dx_block; /* Array of size numblocks */
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};
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#define DX_DIRBLOCK_ROOT 1
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#define DX_DIRBLOCK_LEAF 2
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#define DX_DIRBLOCK_NODE 3
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#define DX_DIRBLOCK_CORRUPT 4
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#define DX_DIRBLOCK_CLEARED 8
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struct dx_dirblock_info {
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int type;
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blk_t phys;
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int flags;
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blk_t parent;
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ext2_dirhash_t min_hash;
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ext2_dirhash_t max_hash;
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ext2_dirhash_t node_min_hash;
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ext2_dirhash_t node_max_hash;
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};
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#define DX_FLAG_REFERENCED 1
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#define DX_FLAG_DUP_REF 2
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#define DX_FLAG_FIRST 4
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#define DX_FLAG_LAST 8
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#define RESOURCE_TRACK
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#ifdef RESOURCE_TRACK
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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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unsigned long long bytes_read;
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unsigned long long bytes_written;
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};
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#endif
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/*
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* E2fsck options
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*/
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#define E2F_OPT_READONLY 0x0001
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#define E2F_OPT_PREEN 0x0002
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#define E2F_OPT_YES 0x0004
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#define E2F_OPT_NO 0x0008
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#define E2F_OPT_TIME 0x0010
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#define E2F_OPT_TIME2 0x0020
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#define E2F_OPT_CHECKBLOCKS 0x0040
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#define E2F_OPT_DEBUG 0x0080
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#define E2F_OPT_FORCE 0x0100
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#define E2F_OPT_WRITECHECK 0x0200
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#define E2F_OPT_COMPRESS_DIRS 0x0400
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#define E2F_OPT_FRAGCHECK 0x0800
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#define E2F_OPT_JOURNAL_ONLY 0x1000 /* only replay the journal */
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#define E2F_OPT_DISCARD 0x2000
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/*
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* E2fsck flags
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*/
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#define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
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#define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
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#define E2F_FLAG_SIGNAL_MASK 0x0003
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#define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
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#define E2F_FLAG_RESTART_LATER 0x0008 /* Restart after all iterations done */
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#define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
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#define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
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#define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
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#define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
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#define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
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* specified by the user */
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#define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
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#define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
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#define E2F_FLAG_GOT_DEVSIZE 0x0800 /* Device size has been fetched */
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#define E2F_FLAG_EXITING 0x1000 /* E2fsck exiting due to errors */
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#define E2F_FLAG_TIME_INSANE 0x2000 /* Time is insane */
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#define E2F_RESET_FLAGS (E2F_FLAG_TIME_INSANE)
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/*
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* Defines for indicating the e2fsck pass number
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*/
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#define E2F_PASS_1 1
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#define E2F_PASS_2 2
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#define E2F_PASS_3 3
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#define E2F_PASS_4 4
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#define E2F_PASS_5 5
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#define E2F_PASS_1B 6
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/*
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* Define the extended attribute refcount structure
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*/
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typedef struct ea_refcount *ext2_refcount_t;
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/*
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* This is the global e2fsck structure.
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*/
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typedef struct e2fsck_struct *e2fsck_t;
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#define MAX_EXTENT_DEPTH_COUNT 5
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struct e2fsck_struct {
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ext2_filsys fs;
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const char *program_name;
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char *filesystem_name;
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char *device_name;
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char *io_options;
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FILE *logf;
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char *log_fn;
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int flags; /* E2fsck internal flags */
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int options;
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int blocksize; /* blocksize */
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blk64_t use_superblock; /* sb requested by user */
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blk64_t superblock; /* sb used to open fs */
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blk64_t num_blocks; /* Total number of blocks */
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blk64_t free_blocks;
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ino_t free_inodes;
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int mount_flags;
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blkid_cache blkid; /* blkid cache */
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#ifdef HAVE_SETJMP_H
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jmp_buf abort_loc;
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#endif
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unsigned long abort_code;
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int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
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unsigned long max);
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ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
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ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
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ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
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ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
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ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
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ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
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ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
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ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
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ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
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/*
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* Inode count arrays
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*/
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ext2_icount_t inode_count;
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ext2_icount_t inode_link_info;
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ext2_refcount_t refcount;
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ext2_refcount_t refcount_extra;
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/*
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* Array of flags indicating whether an inode bitmap, block
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* bitmap, or inode table is invalid
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*/
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int *invalid_inode_bitmap_flag;
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int *invalid_block_bitmap_flag;
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int *invalid_inode_table_flag;
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int invalid_bitmaps; /* There are invalid bitmaps/itable */
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/*
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* Block buffer
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*/
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char *block_buf;
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/*
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* For pass1_check_directory and pass1_get_blocks
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*/
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ext2_ino_t stashed_ino;
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struct ext2_inode *stashed_inode;
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/*
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* Location of the lost and found directory
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*/
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ext2_ino_t lost_and_found;
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int bad_lost_and_found;
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/*
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* Directory information
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*/
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struct dir_info_db *dir_info;
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/*
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* Indexed directory information
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*/
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int dx_dir_info_count;
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int dx_dir_info_size;
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struct dx_dir_info *dx_dir_info;
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/*
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* Directories to hash
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*/
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ext2_u32_list dirs_to_hash;
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/*
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* Tuning parameters
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*/
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int process_inode_size;
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int inode_buffer_blocks;
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unsigned int htree_slack_percentage;
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/*
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* ext3 journal support
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*/
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io_channel journal_io;
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char *journal_name;
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/*
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* Ext4 quota support
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*/
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quota_ctx_t qctx;
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#ifdef RESOURCE_TRACK
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/*
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* For timing purposes
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*/
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struct resource_track global_rtrack;
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#endif
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/*
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* How we display the progress update (for unix)
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*/
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int progress_fd;
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int progress_pos;
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int progress_last_percent;
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unsigned int progress_last_time;
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int interactive; /* Are we connected directly to a tty? */
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char start_meta[2], stop_meta[2];
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/* File counts */
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__u32 fs_directory_count;
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__u32 fs_regular_count;
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__u32 fs_blockdev_count;
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__u32 fs_chardev_count;
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__u32 fs_links_count;
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__u32 fs_symlinks_count;
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__u32 fs_fast_symlinks_count;
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__u32 fs_fifo_count;
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__u32 fs_total_count;
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__u32 fs_badblocks_count;
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__u32 fs_sockets_count;
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__u32 fs_ind_count;
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__u32 fs_dind_count;
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__u32 fs_tind_count;
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__u32 fs_fragmented;
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__u32 fs_fragmented_dir;
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__u32 large_files;
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__u32 fs_ext_attr_inodes;
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__u32 fs_ext_attr_blocks;
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__u32 extent_depth_count[MAX_EXTENT_DEPTH_COUNT];
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/* misc fields */
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time_t now;
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time_t time_fudge; /* For working around buggy init scripts */
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int ext_attr_ver;
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profile_t profile;
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int blocks_per_page;
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/*
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* For the use of callers of the e2fsck functions; not used by
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* e2fsck functions themselves.
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*/
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void *priv_data;
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};
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/* Used by the region allocation code */
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typedef __u32 region_addr_t;
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typedef struct region_struct *region_t;
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#ifndef HAVE_STRNLEN
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#define strnlen(str, x) e2fsck_strnlen((str),(x))
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extern int e2fsck_strnlen(const char * s, int count);
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#endif
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/*
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* Procedure declarations
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*/
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extern void e2fsck_pass1(e2fsck_t ctx);
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extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
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extern void e2fsck_pass2(e2fsck_t ctx);
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extern void e2fsck_pass3(e2fsck_t ctx);
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extern void e2fsck_pass4(e2fsck_t ctx);
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extern void e2fsck_pass5(e2fsck_t ctx);
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/* e2fsck.c */
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extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
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extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
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extern void e2fsck_free_context(e2fsck_t ctx);
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extern int e2fsck_run(e2fsck_t ctx);
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/* badblock.c */
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extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
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int replace_bad_blocks);
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/* dirinfo.c */
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extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
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extern void e2fsck_free_dir_info(e2fsck_t ctx);
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extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
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extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx);
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extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx,
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struct dir_info_iter *);
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extern void e2fsck_dir_info_iter_end(e2fsck_t ctx, struct dir_info_iter *);
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extern int e2fsck_dir_info_set_parent(e2fsck_t ctx, ext2_ino_t ino,
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ext2_ino_t parent);
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extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx, ext2_ino_t ino,
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ext2_ino_t dotdot);
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extern int e2fsck_dir_info_get_parent(e2fsck_t ctx, ext2_ino_t ino,
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ext2_ino_t *parent);
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extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx, ext2_ino_t ino,
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ext2_ino_t *dotdot);
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/* dx_dirinfo.c */
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extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino, int num_blocks);
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extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino);
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extern void e2fsck_free_dx_dir_info(e2fsck_t ctx);
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extern int e2fsck_get_num_dx_dirinfo(e2fsck_t ctx);
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extern struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx, int *control);
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/* ea_refcount.c */
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extern errcode_t ea_refcount_create(int size, ext2_refcount_t *ret);
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extern void ea_refcount_free(ext2_refcount_t refcount);
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extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, blk_t blk,
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int *ret);
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extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
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blk_t blk, int *ret);
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extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
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blk_t blk, int *ret);
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extern errcode_t ea_refcount_store(ext2_refcount_t refcount,
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blk_t blk, int count);
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extern blk_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
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extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
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extern blk_t ea_refcount_intr_next(ext2_refcount_t refcount, int *ret);
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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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/* journal.c */
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extern int e2fsck_check_ext3_journal(e2fsck_t ctx);
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extern int e2fsck_run_ext3_journal(e2fsck_t ctx);
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extern void e2fsck_move_ext3_journal(e2fsck_t ctx);
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extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx);
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/* logfile.c */
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extern void set_up_logging(e2fsck_t ctx);
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/* quota.c */
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extern void e2fsck_hide_quota(e2fsck_t ctx);
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/* pass1.c */
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extern void e2fsck_setup_tdb_icount(e2fsck_t ctx, int flags,
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ext2_icount_t *ret);
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extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int use_shortcuts);
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extern int e2fsck_pass1_check_device_inode(ext2_filsys fs,
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struct ext2_inode *inode);
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extern int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino,
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struct ext2_inode *inode, char *buf);
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extern void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino,
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struct ext2_inode *inode, int restart_flag,
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const char *source);
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/* pass2.c */
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extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
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ext2_ino_t ino, char *buf);
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/* pass3.c */
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extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
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extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir,
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int num, int gauranteed_size);
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extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix);
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extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino,
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int adj);
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/* region.c */
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extern region_t region_create(region_addr_t min, region_addr_t max);
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extern void region_free(region_t region);
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extern int region_allocate(region_t region, region_addr_t start, int n);
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/* rehash.c */
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void e2fsck_rehash_dir_later(e2fsck_t ctx, ext2_ino_t ino);
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int e2fsck_dir_will_be_rehashed(e2fsck_t ctx, ext2_ino_t ino);
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errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino);
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void e2fsck_rehash_directories(e2fsck_t ctx);
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/* sigcatcher.c */
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void sigcatcher_setup(void);
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/* super.c */
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void check_super_block(e2fsck_t ctx);
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int check_backup_super_block(e2fsck_t ctx);
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void check_resize_inode(e2fsck_t ctx);
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/* util.c */
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extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
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const char *description);
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extern int ask(e2fsck_t ctx, const char * string, int def);
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extern int ask_yn(e2fsck_t ctx, const char * string, int def);
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extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
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extern void log_out(e2fsck_t ctx, const char *fmt, ...)
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E2FSCK_ATTR((format(printf, 2, 3)));
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extern void log_err(e2fsck_t ctx, const char *fmt, ...)
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E2FSCK_ATTR((format(printf, 2, 3)));
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extern void e2fsck_read_bitmaps(e2fsck_t ctx);
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extern void e2fsck_write_bitmaps(e2fsck_t ctx);
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extern void preenhalt(e2fsck_t ctx);
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extern char *string_copy(e2fsck_t ctx, const char *str, int len);
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extern errcode_t e2fsck_zero_blocks(ext2_filsys fs, blk_t blk, int num,
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blk_t *ret_blk, int *ret_count);
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extern int fs_proc_check(const char *fs_name);
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extern int check_for_modules(const char *fs_name);
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#ifdef RESOURCE_TRACK
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extern void print_resource_track(e2fsck_t ctx,
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const char *desc,
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struct resource_track *track,
|
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io_channel channel);
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extern void init_resource_track(struct resource_track *track,
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io_channel channel);
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#else
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#define print_resource_track(ctx, desc, track, channel) do { } while (0)
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#define init_resource_track(track, channel) do { } while (0)
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#endif
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extern int inode_has_valid_blocks(struct ext2_inode *inode);
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extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
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struct ext2_inode * inode, const char * proc);
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extern void e2fsck_read_inode_full(e2fsck_t ctx, unsigned long ino,
|
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struct ext2_inode *inode,
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const int bufsize, const char *proc);
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extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
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struct ext2_inode * inode, const char * proc);
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extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
|
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struct ext2_inode * inode, int bufsize,
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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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extern blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
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const char *name, io_manager manager);
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extern int ext2_file_type(unsigned int mode);
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extern int write_all(int fd, char *buf, size_t count);
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void dump_mmp_msg(struct mmp_struct *mmp, const char *msg);
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errcode_t e2fsck_mmp_update(ext2_filsys fs);
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|
|
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extern void e2fsck_set_bitmap_type(ext2_filsys fs,
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unsigned int default_type,
|
|
const char *profile_name,
|
|
unsigned int *old_type);
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|
extern errcode_t e2fsck_allocate_inode_bitmap(ext2_filsys fs,
|
|
const char *descr,
|
|
int default_type,
|
|
const char *profile_name,
|
|
ext2fs_inode_bitmap *ret);
|
|
extern errcode_t e2fsck_allocate_block_bitmap(ext2_filsys fs,
|
|
const char *descr,
|
|
int default_type,
|
|
const char *profile_name,
|
|
ext2fs_block_bitmap *ret);
|
|
extern errcode_t e2fsck_allocate_subcluster_bitmap(ext2_filsys fs,
|
|
const char *descr,
|
|
int default_type,
|
|
const char *profile_name,
|
|
ext2fs_block_bitmap *ret);
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|
|
|
/* unix.c */
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|
extern void e2fsck_clear_progbar(e2fsck_t ctx);
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|
extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
|
|
float percent, unsigned int dpynum);
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|
#endif /* _E2FSCK_H */
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