[thirdparty/e2fsprogs.git] / e2fsck / e2fsck.h

/*
 * 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>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdlib.h>
#include <time.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_SETJMP_H
#include <setjmp.h>
#endif

#if EXT2_FLAT_INCLUDES
#include "ext2_fs.h"
#include "ext2fs.h"
#include "blkid.h"
#else
#include "ext2fs/ext2_fs.h"
#include "ext2fs/ext2fs.h"
#include "blkid/blkid.h"
#endif

#ifdef ENABLE_NLS
#include <libintl.h>
#include <locale.h>
#define _(a) (gettext (a))
#ifdef gettext_noop
#define N_(a) gettext_noop (a)
#else
#define N_(a) (a)
#endif
#define P_(singular, plural, n) (ngettext (singular, plural, n))
#ifndef NLS_CAT_NAME
#define NLS_CAT_NAME "e2fsprogs"
#endif
#ifndef LOCALEDIR
#define LOCALEDIR "/usr/share/locale"
#endif
#else
#define _(a) (a)
#define N_(a) a
#define P_(singular, plural, n) ((n) == 1 ? (singular) : (plural))
#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_CANCELED	 32	/* Aborted with a signal or ^C */
#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	1

/*
 * The directory information structure; stores directory information
 * collected in earlier passes, to avoid disk i/o in fetching the
 * directory information.
 */
struct dir_info {
	ext2_ino_t		ino;	/* Inode number */
	ext2_ino_t		dotdot;	/* Parent according to '..' */
	ext2_ino_t		parent; /* Parent according to treewalk */
};


/*
 * The indexed directory information structure; stores information for
 * directories which contain a hash tree index.
 */
struct dx_dir_info {
	ext2_ino_t		ino; 		/* Inode number */
	int			numblocks;	/* number of blocks */
	int			hashversion;
	short			depth;		/* depth of tree */
	struct dx_dirblock_info	*dx_block; 	/* Array of size numblocks */
};

#define DX_DIRBLOCK_ROOT	1
#define DX_DIRBLOCK_LEAF	2
#define DX_DIRBLOCK_NODE	3
#define DX_DIRBLOCK_CORRUPT	4
#define DX_DIRBLOCK_CLEARED	8

struct dx_dirblock_info {
	int		type;
	blk_t		phys;
	int		flags;
	blk_t		parent;
	ext2_dirhash_t	min_hash; 
	ext2_dirhash_t	max_hash;
	ext2_dirhash_t	node_min_hash; 
	ext2_dirhash_t	node_max_hash;
};

#define DX_FLAG_REFERENCED	1
#define DX_FLAG_DUP_REF		2
#define DX_FLAG_FIRST		4
#define DX_FLAG_LAST		8

#ifdef RESOURCE_TRACK
/*
 * 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;
};
#endif

/*
 * E2fsck options
 */
#define E2F_OPT_READONLY	0x0001
#define E2F_OPT_PREEN		0x0002
#define E2F_OPT_YES		0x0004
#define E2F_OPT_NO		0x0008
#define E2F_OPT_TIME		0x0010
#define E2F_OPT_TIME2		0x0020
#define E2F_OPT_CHECKBLOCKS	0x0040
#define E2F_OPT_DEBUG		0x0080
#define E2F_OPT_FORCE		0x0100
#define E2F_OPT_WRITECHECK	0x0200
#define E2F_OPT_COMPRESS_DIRS	0x0400

/*
 * E2fsck flags
 */
#define E2F_FLAG_ABORT		0x0001 /* Abort signaled */
#define E2F_FLAG_CANCEL		0x0002 /* Cancel signaled */
#define E2F_FLAG_SIGNAL_MASK	0x0003
#define E2F_FLAG_RESTART	0x0004 /* Restart signaled */

#define E2F_FLAG_SETJMP_OK	0x0010 /* Setjmp valid for abort */

#define E2F_FLAG_PROG_BAR	0x0020 /* Progress bar on screen */
#define E2F_FLAG_PROG_SUPPRESS	0x0040 /* Progress suspended */
#define E2F_FLAG_JOURNAL_INODE	0x0080 /* Create a new ext3 journal inode */
#define E2F_FLAG_SB_SPECIFIED	0x0100 /* The superblock was explicitly 
					* specified by the user */
#define E2F_FLAG_RESTARTED	0x0100 /* E2fsck has been restarted */

/*
 * Defines for indicating the e2fsck pass number
 */
#define E2F_PASS_1	1
#define E2F_PASS_2	2
#define E2F_PASS_3	3
#define E2F_PASS_4	4
#define E2F_PASS_5	5
#define E2F_PASS_1B	6

/*
 * Define the extended attribute refcount structure
 */
typedef struct ea_refcount *ext2_refcount_t;

/*
 * This is the global e2fsck structure.
 */
typedef struct e2fsck_struct *e2fsck_t;

struct e2fsck_struct {
	ext2_filsys fs;
	const char *program_name;
	char *filesystem_name;
	char *device_name;
	int	flags;		/* E2fsck internal flags */
	int	options;
	blk_t	use_superblock;	/* sb requested by user */
	blk_t	superblock;	/* sb used to open fs */
	int	blocksize;	/* blocksize */
	blk_t	num_blocks;	/* Total number of blocks */
	int	mount_flags;
	blkid_cache blkid;	/* blkid cache */

#ifdef HAVE_SETJMP_H
	jmp_buf	abort_loc;
#endif
	unsigned long abort_code;

	int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
			unsigned long max);

	ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
	ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
	ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
	ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
	ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
	ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/

	ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
	ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
	ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */

	/*
	 * Inode count arrays
	 */
	ext2_icount_t	inode_count;
	ext2_icount_t inode_link_info;

	ext2_refcount_t	refcount;
	ext2_refcount_t refcount_extra;

	/*
	 * Array of flags indicating whether an inode bitmap, block
	 * bitmap, or inode table is invalid
	 */
	int *invalid_inode_bitmap_flag;
	int *invalid_block_bitmap_flag;
	int *invalid_inode_table_flag;
	int invalid_bitmaps;	/* There are invalid bitmaps/itable */

	/*
	 * Block buffer
	 */
	char *block_buf;

	/*
	 * For pass1_check_directory and pass1_get_blocks
	 */
	ext2_ino_t stashed_ino;
	struct ext2_inode *stashed_inode;

	/*
	 * Location of the lost and found directory
	 */
	ext2_ino_t lost_and_found;
	int bad_lost_and_found;
	
	/*
	 * Directory information
	 */
	int		dir_info_count;
	int		dir_info_size;
	struct dir_info	*dir_info;

	/*
	 * Indexed directory information
	 */
	int		dx_dir_info_count;
	int		dx_dir_info_size;
	struct dx_dir_info *dx_dir_info;

	/*
	 * Directories to hash
	 */
	ext2_u32_list	dirs_to_hash;

	/*
	 * Tuning parameters
	 */
	int process_inode_size;
	int inode_buffer_blocks;

	/*
	 * ext3 journal support
	 */
	io_channel	journal_io;
	char	*journal_name;

#ifdef RESOURCE_TRACK
	/*
	 * For timing purposes
	 */
	struct resource_track	global_rtrack;
#endif

	/*
	 * How we display the progress update (for unix)
	 */
	int progress_fd;
	int progress_pos;
	int progress_last_percent;
	unsigned int progress_last_time;

	/* File counts */
	int fs_directory_count;
	int fs_regular_count;
	int fs_blockdev_count;
	int fs_chardev_count;
	int fs_links_count;
	int fs_symlinks_count;
	int fs_fast_symlinks_count;
	int fs_fifo_count;
	int fs_total_count;
	int fs_badblocks_count;
	int fs_sockets_count;
	int fs_ind_count;
	int fs_dind_count;
	int fs_tind_count;
	int fs_fragmented;
	int large_files;
	int fs_ext_attr_inodes;
	int fs_ext_attr_blocks;

	int ext_attr_ver;

	/*
	 * For the use of callers of the e2fsck functions; not used by
	 * e2fsck functions themselves.
	 */
	void *priv_data;
};

/* Used by the region allocation code */
typedef __u32 region_addr_t;
typedef struct region_struct *region_t;

#ifndef HAVE_STRNLEN
#define strnlen(str, x) e2fsck_strnlen((str),(x))
extern int e2fsck_strnlen(const char * s, int count);
#endif

/*
 * Procedure declarations
 */

extern void e2fsck_pass1(e2fsck_t ctx);
extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
extern void e2fsck_pass2(e2fsck_t ctx);
extern void e2fsck_pass3(e2fsck_t ctx);
extern void e2fsck_pass4(e2fsck_t ctx);
extern void e2fsck_pass5(e2fsck_t ctx);

/* e2fsck.c */
extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
extern void e2fsck_free_context(e2fsck_t ctx);
extern int e2fsck_run(e2fsck_t ctx);


/* badblock.c */
extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
				 int replace_bad_blocks);
extern void test_disk(e2fsck_t ctx);

/* dirinfo.c */
extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
extern struct dir_info *e2fsck_get_dir_info(e2fsck_t ctx, ext2_ino_t ino);
extern void e2fsck_free_dir_info(e2fsck_t ctx);
extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx, int *control);

/* dx_dirinfo.c */
extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino, int num_blocks);
extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino);
extern void e2fsck_free_dx_dir_info(e2fsck_t ctx);
extern int e2fsck_get_num_dx_dirinfo(e2fsck_t ctx);
extern struct dx_dir_info *e2fsck_dx_dir_info_iter(e2fsck_t ctx, int *control);

/* ea_refcount.c */
extern errcode_t ea_refcount_create(int size, ext2_refcount_t *ret);
extern void ea_refcount_free(ext2_refcount_t refcount);
extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, blk_t blk,
				   int *ret);
extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
				       blk_t blk, int *ret);
extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
				       blk_t blk, int *ret);
extern errcode_t ea_refcount_store(ext2_refcount_t refcount,
				   blk_t blk, int count);
extern blk_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
extern blk_t ea_refcount_intr_next(ext2_refcount_t refcount, int *ret);

/* ehandler.c */
extern const char *ehandler_operation(const char *op);
extern void ehandler_init(io_channel channel);

/* journal.c */
extern int e2fsck_check_ext3_journal(e2fsck_t ctx);
extern int e2fsck_run_ext3_journal(e2fsck_t ctx);
extern void e2fsck_move_ext3_journal(e2fsck_t ctx);

/* pass1.c */
extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int bool);
extern int e2fsck_pass1_check_device_inode(ext2_filsys fs,
					   struct ext2_inode *inode);
extern int e2fsck_pass1_check_symlink(ext2_filsys fs,
				      struct ext2_inode *inode, char *buf);

/* pass2.c */
extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
				    ext2_ino_t ino, char *buf);

/* pass3.c */
extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir,
					 int num, int gauranteed_size);
extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix);
extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino, 
					   int adj);


/* region.c */
extern region_t region_create(region_addr_t min, region_addr_t max);
extern void region_free(region_t region);
extern int region_allocate(region_t region, region_addr_t start, int n);

/* rehash.c */
errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino);
void e2fsck_rehash_directories(e2fsck_t ctx);

/* super.c */
void check_super_block(e2fsck_t ctx);
errcode_t e2fsck_get_device_size(e2fsck_t ctx);

/* swapfs.c */
void swap_filesys(e2fsck_t ctx);

/* util.c */
extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
				    const char *description);
extern int ask(e2fsck_t ctx, const char * string, int def);
extern int ask_yn(const char * string, int def);
extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
extern void e2fsck_read_bitmaps(e2fsck_t ctx);
extern void e2fsck_write_bitmaps(e2fsck_t ctx);
extern void preenhalt(e2fsck_t ctx);
extern char *string_copy(e2fsck_t ctx, const char *str, int len);
#ifdef RESOURCE_TRACK
extern void print_resource_track(const char *desc,
				 struct resource_track *track);
extern void init_resource_track(struct resource_track *track);
#endif
extern int inode_has_valid_blocks(struct ext2_inode *inode);
extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
			      struct ext2_inode * inode, const char * proc);
extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
			       struct ext2_inode * inode, const char * proc);
#ifdef MTRACE
extern void mtrace_print(char *mesg);
#endif
extern blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
			   const char *name, io_manager manager);
extern int ext2_file_type(unsigned int mode);

/* unix.c */
extern void e2fsck_clear_progbar(e2fsck_t ctx);
extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
				  float percent, unsigned int dpynum);
Commit	Line	Data
3839e657 TT	1	/*
	2	* e2fsck.h
	3	*
	4	* Copyright (C) 1993, 1994 Theodore Ts'o. This file may be
	5	* redistributed under the terms of the GNU Public License.
	6	*
	7	*/
	8
	9	#include <stdio.h>
	10	#include <string.h>
4c77fe50	11	#ifdef HAVE_UNISTD_H
3839e657	12	#include <unistd.h>
4c77fe50	13	#endif
3839e657	14	#include <stdlib.h>
54be2ccc	15	#include <time.h>
b2da22d1	16	#ifdef HAVE_SYS_TYPES_H
3839e657	17	#include <sys/types.h>
b2da22d1 TT	18	#endif
b2da22d1 TT	19	#ifdef HAVE_SYS_TIME_H
3839e657	20	#include <sys/time.h>
b2da22d1	21	#endif
08b21301 TT	22	#ifdef HAVE_SETJMP_H
	23	#include <setjmp.h>
	24	#endif
3839e657	25
54dc7ca2 TT	26	#if EXT2_FLAT_INCLUDES
	27	#include "ext2_fs.h"
	28	#include "ext2fs.h"
f364093b	29	#include "blkid.h"
54dc7ca2	30	#else
54c637d4	31	#include "ext2fs/ext2_fs.h"
3839e657	32	#include "ext2fs/ext2fs.h"
f364093b	33	#include "blkid/blkid.h"
54dc7ca2 TT	34	#endif
54dc7ca2 TT	35
0c4a0726 TT	36	#ifdef ENABLE_NLS
	37	#include <libintl.h>
	38	#include <locale.h>
	39	#define _(a) (gettext (a))
	40	#ifdef gettext_noop
	41	#define N_(a) gettext_noop (a)
	42	#else
	43	#define N_(a) (a)
	44	#endif
113e405b	45	#define P_(singular, plural, n) (ngettext (singular, plural, n))
a04eba3f	46	#ifndef NLS_CAT_NAME
0c4a0726	47	#define NLS_CAT_NAME "e2fsprogs"
a04eba3f TT	48	#endif
a04eba3f TT	49	#ifndef LOCALEDIR
0c4a0726	50	#define LOCALEDIR "/usr/share/locale"
a04eba3f	51	#endif
0c4a0726 TT	52	#else
	53	#define _(a) (a)
	54	#define N_(a) a
113e405b	55	#define P_(singular, plural, n) ((n) == 1 ? (singular) : (plural))
0c4a0726 TT	56	#endif
0c4a0726 TT	57
3839e657 TT	58	/*
	59	* Exit codes used by fsck-type programs
	60	*/
	61	#define FSCK_OK 0 /* No errors */
	62	#define FSCK_NONDESTRUCT 1 /* File system errors corrected */
	63	#define FSCK_REBOOT 2 /* System should be rebooted */
	64	#define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */
	65	#define FSCK_ERROR 8 /* Operational error */
	66	#define FSCK_USAGE 16 /* Usage or syntax error */
4cae0452	67	#define FSCK_CANCELED 32 /* Aborted with a signal or ^C */
3839e657 TT	68	#define FSCK_LIBRARY 128 /* Shared library error */
3839e657 TT	69
f3db3566 TT	70	/*
	71	* The last ext2fs revision level that this version of e2fsck is able to
	72	* support
	73	*/
1e3472c5	74	#define E2FSCK_CURRENT_REV 1
f3db3566	75
3839e657 TT	76	/*
	77	* The directory information structure; stores directory information
	78	* collected in earlier passes, to avoid disk i/o in fetching the
21c84b71	79	* directory information.
3839e657 TT	80	*/
3839e657 TT	81	struct dir_info {
86c627ec TT	82	ext2_ino_t ino; /* Inode number */
	83	ext2_ino_t dotdot; /* Parent according to '..' */
	84	ext2_ino_t parent; /* Parent according to treewalk */
3839e657 TT	85	};
3839e657 TT	86
8fdc9985 TT	87
	88	/*
	89	* The indexed directory information structure; stores information for
	90	* directories which contain a hash tree index.
	91	*/
	92	struct dx_dir_info {
	93	ext2_ino_t ino; /* Inode number */
	94	int numblocks; /* number of blocks */
	95	int hashversion;
ad4fa466	96	short depth; /* depth of tree */
8fdc9985 TT	97	struct dx_dirblock_info dx_block; / Array of size numblocks */
	98	};
	99
	100	#define DX_DIRBLOCK_ROOT 1
	101	#define DX_DIRBLOCK_LEAF 2
	102	#define DX_DIRBLOCK_NODE 3
	103	#define DX_DIRBLOCK_CORRUPT 4
	104	#define DX_DIRBLOCK_CLEARED 8
	105
	106	struct dx_dirblock_info {
	107	int type;
	108	blk_t phys;
	109	int flags;
	110	blk_t parent;
	111	ext2_dirhash_t min_hash;
	112	ext2_dirhash_t max_hash;
	113	ext2_dirhash_t node_min_hash;
	114	ext2_dirhash_t node_max_hash;
	115	};
	116
	117	#define DX_FLAG_REFERENCED 1
	118	#define DX_FLAG_DUP_REF 2
	119	#define DX_FLAG_FIRST 4
	120	#define DX_FLAG_LAST 8
	121
8bf191e8	122	#ifdef RESOURCE_TRACK
3839e657 TT	123	/*
	124	* This structure is used for keeping track of how much resources have
	125	* been used for a particular pass of e2fsck.
	126	*/
	127	struct resource_track {
	128	struct timeval time_start;
	129	struct timeval user_start;
	130	struct timeval system_start;
	131	void *brk_start;
	132	};
8bf191e8	133	#endif
3839e657 TT	134
3839e657 TT	135	/*
1b6bf175	136	* E2fsck options
3839e657	137	*/
1b6bf175 TT	138	#define E2F_OPT_READONLY 0x0001
	139	#define E2F_OPT_PREEN 0x0002
	140	#define E2F_OPT_YES 0x0004
	141	#define E2F_OPT_NO 0x0008
	142	#define E2F_OPT_TIME 0x0010
	143	#define E2F_OPT_TIME2 0x0020
	144	#define E2F_OPT_CHECKBLOCKS 0x0040
	145	#define E2F_OPT_DEBUG 0x0080
d37066a9	146	#define E2F_OPT_FORCE 0x0100
3ed57c27	147	#define E2F_OPT_WRITECHECK 0x0200
850d05e9	148	#define E2F_OPT_COMPRESS_DIRS 0x0400
3839e657	149
08b21301 TT	150	/*
	151	* E2fsck flags
	152	*/
	153	#define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
	154	#define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
2df1f6aa	155	#define E2F_FLAG_SIGNAL_MASK 0x0003
08b21301	156	#define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
08b21301 TT	157
	158	#define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
	159
5596defa TT	160	#define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
5596defa TT	161	#define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
424cd2be	162	#define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
ae6cdcf7 TT	163	#define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
ae6cdcf7 TT	164	* specified by the user */
b92ae153	165	#define E2F_FLAG_RESTARTED 0x0100 /* E2fsck has been restarted */
5596defa	166
08b21301 TT	167	/*
	168	* Defines for indicating the e2fsck pass number
	169	*/
	170	#define E2F_PASS_1 1
	171	#define E2F_PASS_2 2
	172	#define E2F_PASS_3 3
	173	#define E2F_PASS_4 4
	174	#define E2F_PASS_5 5
	175	#define E2F_PASS_1B 6
	176
342d847d TT	177	/*
	178	* Define the extended attribute refcount structure
	179	*/
	180	typedef struct ea_refcount *ext2_refcount_t;
	181
1b6bf175 TT	182	/*
	183	* This is the global e2fsck structure.
	184	*/
08b21301 TT	185	typedef struct e2fsck_struct *e2fsck_t;
08b21301 TT	186
1b6bf175 TT	187	struct e2fsck_struct {
	188	ext2_filsys fs;
	189	const char *program_name;
f364093b TT	190	char *filesystem_name;
f364093b TT	191	char *device_name;
08b21301	192	int flags; /* E2fsck internal flags */
1b6bf175 TT	193	int options;
	194	blk_t use_superblock; /* sb requested by user */
	195	blk_t superblock; /* sb used to open fs */
f1a1761d	196	int blocksize; /* blocksize */
f8188fff	197	blk_t num_blocks; /* Total number of blocks */
ee895139	198	int mount_flags;
f364093b	199	blkid_cache blkid; /* blkid cache */
1b6bf175	200
08b21301 TT	201	#ifdef HAVE_SETJMP_H
	202	jmp_buf abort_loc;
	203	#endif
f8188fff	204	unsigned long abort_code;
08b21301	205
a02ce9df TT	206	int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
a02ce9df TT	207	unsigned long max);
08b21301	208
1b6bf175 TT	209	ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
	210	ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
	211	ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
	212	ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
aa4115a4 TT	213	ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
aa4115a4 TT	214	ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
1b6bf175 TT	215
	216	ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
	217	ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
342d847d	218	ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
1b6bf175 TT	219
	220	/*
	221	* Inode count arrays
	222	*/
	223	ext2_icount_t inode_count;
	224	ext2_icount_t inode_link_info;
	225
342d847d TT	226	ext2_refcount_t refcount;
	227	ext2_refcount_t refcount_extra;
	228
1b6bf175 TT	229	/*
	230	* Array of flags indicating whether an inode bitmap, block
	231	* bitmap, or inode table is invalid
	232	*/
	233	int *invalid_inode_bitmap_flag;
	234	int *invalid_block_bitmap_flag;
	235	int *invalid_inode_table_flag;
	236	int invalid_bitmaps; /* There are invalid bitmaps/itable */
	237
08b21301 TT	238	/*
	239	* Block buffer
	240	*/
	241	char *block_buf;
	242
1b6bf175 TT	243	/*
	244	* For pass1_check_directory and pass1_get_blocks
	245	*/
86c627ec	246	ext2_ino_t stashed_ino;
1b6bf175 TT	247	struct ext2_inode *stashed_inode;
1b6bf175 TT	248
850d05e9 TT	249	/*
	250	* Location of the lost and found directory
	251	*/
	252	ext2_ino_t lost_and_found;
	253	int bad_lost_and_found;
	254
08b21301 TT	255	/*
	256	* Directory information
	257	*/
	258	int dir_info_count;
	259	int dir_info_size;
	260	struct dir_info *dir_info;
	261
8fdc9985 TT	262	/*
	263	* Indexed directory information
	264	*/
	265	int dx_dir_info_count;
	266	int dx_dir_info_size;
	267	struct dx_dir_info *dx_dir_info;
	268
b7a00563 TT	269	/*
	270	* Directories to hash
	271	*/
	272	ext2_u32_list dirs_to_hash;
	273
1b6bf175 TT	274	/*
	275	* Tuning parameters
	276	*/
	277	int process_inode_size;
	278	int inode_buffer_blocks;
	279
adee8d75 TT	280	/*
	281	* ext3 journal support
	282	*/
	283	io_channel journal_io;
f364093b	284	char *journal_name;
adee8d75	285
8bf191e8	286	#ifdef RESOURCE_TRACK
1b6bf175 TT	287	/*
	288	* For timing purposes
	289	*/
	290	struct resource_track global_rtrack;
8bf191e8	291	#endif
1b6bf175	292
efac9a1b TT	293	/*
	294	* How we display the progress update (for unix)
	295	*/
	296	int progress_fd;
	297	int progress_pos;
5596defa	298	int progress_last_percent;
06012323	299	unsigned int progress_last_time;
efac9a1b	300
1b6bf175 TT	301	/* File counts */
	302	int fs_directory_count;
	303	int fs_regular_count;
	304	int fs_blockdev_count;
	305	int fs_chardev_count;
	306	int fs_links_count;
	307	int fs_symlinks_count;
	308	int fs_fast_symlinks_count;
	309	int fs_fifo_count;
	310	int fs_total_count;
	311	int fs_badblocks_count;
	312	int fs_sockets_count;
	313	int fs_ind_count;
	314	int fs_dind_count;
	315	int fs_tind_count;
	316	int fs_fragmented;
246501c6	317	int large_files;
342d847d TT	318	int fs_ext_attr_inodes;
342d847d TT	319	int fs_ext_attr_blocks;
4313932c	320
0684a4f3 TT	321	int ext_attr_ver;
0684a4f3 TT	322
4313932c TT	323	/*
	324	* For the use of callers of the e2fsck functions; not used by
	325	* e2fsck functions themselves.
	326	*/
	327	void *priv_data;
1b6bf175	328	};
f3db3566	329
55fd07ed TT	330	/* Used by the region allocation code */
	331	typedef __u32 region_addr_t;
	332	typedef struct region_struct *region_t;
1e3472c5	333
f364093b TT	334	#ifndef HAVE_STRNLEN
	335	#define strnlen(str, x) e2fsck_strnlen((str),(x))
	336	extern int e2fsck_strnlen(const char * s, int count);
	337	#endif
	338
3839e657 TT	339	/*
	340	* Procedure declarations
	341	*/
	342
08b21301 TT	343	extern void e2fsck_pass1(e2fsck_t ctx);
	344	extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
	345	extern void e2fsck_pass2(e2fsck_t ctx);
	346	extern void e2fsck_pass3(e2fsck_t ctx);
	347	extern void e2fsck_pass4(e2fsck_t ctx);
	348	extern void e2fsck_pass5(e2fsck_t ctx);
1b6bf175 TT	349
1b6bf175 TT	350	/* e2fsck.c */
08b21301 TT	351	extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
	352	extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
	353	extern void e2fsck_free_context(e2fsck_t ctx);
	354	extern int e2fsck_run(e2fsck_t ctx);
	355
3839e657 TT	356
3839e657 TT	357	/* badblock.c */
1b6bf175	358	extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
3839e657	359	int replace_bad_blocks);
1b6bf175	360	extern void test_disk(e2fsck_t ctx);
3839e657 TT	361
3839e657 TT	362	/* dirinfo.c */
86c627ec TT	363	extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
86c627ec TT	364	extern struct dir_info *e2fsck_get_dir_info(e2fsck_t ctx, ext2_ino_t ino);
08b21301	365	extern void e2fsck_free_dir_info(e2fsck_t ctx);
f8188fff	366	extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
08b21301	367	extern struct dir_info e2fsck_dir_info_iter(e2fsck_t ctx, int control);
3839e657	368
8fdc9985 TT	369	/* dx_dirinfo.c */
	370	extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino, int num_blocks);
	371	extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino);
	372	extern void e2fsck_free_dx_dir_info(e2fsck_t ctx);
	373	extern int e2fsck_get_num_dx_dirinfo(e2fsck_t ctx);
	374	extern struct dx_dir_info e2fsck_dx_dir_info_iter(e2fsck_t ctx, int control);
	375
342d847d TT	376	/* ea_refcount.c */
	377	extern errcode_t ea_refcount_create(int size, ext2_refcount_t *ret);
	378	extern void ea_refcount_free(ext2_refcount_t refcount);
	379	extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, blk_t blk,
	380	int *ret);
	381	extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
	382	blk_t blk, int *ret);
	383	extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
	384	blk_t blk, int *ret);
	385	extern errcode_t ea_refcount_store(ext2_refcount_t refcount,
	386	blk_t blk, int count);
4ea7bd04	387	extern blk_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
342d847d TT	388	extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
	389	extern blk_t ea_refcount_intr_next(ext2_refcount_t refcount, int *ret);
	390
3839e657 TT	391	/* ehandler.c */
	392	extern const char ehandler_operation(const char op);
	393	extern void ehandler_init(io_channel channel);
	394
17390c04	395	/* journal.c */
3b5386dc TT	396	extern int e2fsck_check_ext3_journal(e2fsck_t ctx);
3b5386dc TT	397	extern int e2fsck_run_ext3_journal(e2fsck_t ctx);
773fd8a1	398	extern void e2fsck_move_ext3_journal(e2fsck_t ctx);
17390c04	399
e72a9ba3 TT	400	/* pass1.c */
e72a9ba3 TT	401	extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int bool);
0684a4f3 TT	402	extern int e2fsck_pass1_check_device_inode(ext2_filsys fs,
0684a4f3 TT	403	struct ext2_inode *inode);
bcf9c5d4 TT	404	extern int e2fsck_pass1_check_symlink(ext2_filsys fs,
bcf9c5d4 TT	405	struct ext2_inode inode, char buf);
e72a9ba3 TT	406
e72a9ba3 TT	407	/* pass2.c */
bcf9c5d4 TT	408	extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
bcf9c5d4 TT	409	ext2_ino_t ino, char *buf);
e72a9ba3 TT	410
e72a9ba3 TT	411	/* pass3.c */
86c627ec	412	extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
b7a00563 TT	413	extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir,
b7a00563 TT	414	int num, int gauranteed_size);
850d05e9	415	extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix);
b0700a1b TT	416	extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino,
b0700a1b TT	417	int adj);
b7a00563	418
e72a9ba3	419
55fd07ed TT	420	/* region.c */
	421	extern region_t region_create(region_addr_t min, region_addr_t max);
	422	extern void region_free(region_t region);
	423	extern int region_allocate(region_t region, region_addr_t start, int n);
	424
b7a00563 TT	425	/* rehash.c */
	426	errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino);
	427	void e2fsck_rehash_directories(e2fsck_t ctx);
	428
1b6bf175 TT	429	/* super.c */
1b6bf175 TT	430	void check_super_block(e2fsck_t ctx);
17dba281	431	errcode_t e2fsck_get_device_size(e2fsck_t ctx);
1b6bf175	432
1e3472c5	433	/* swapfs.c */
1b6bf175	434	void swap_filesys(e2fsck_t ctx);
1e3472c5	435
3839e657	436	/* util.c */
f8188fff TT	437	extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
f8188fff TT	438	const char *description);
1b6bf175	439	extern int ask(e2fsck_t ctx, const char * string, int def);
3839e657	440	extern int ask_yn(const char * string, int def);
f8188fff TT	441	extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
	442	extern void e2fsck_read_bitmaps(e2fsck_t ctx);
	443	extern void e2fsck_write_bitmaps(e2fsck_t ctx);
1b6bf175	444	extern void preenhalt(e2fsck_t ctx);
f364093b	445	extern char string_copy(e2fsck_t ctx, const char str, int len);
8bf191e8	446	#ifdef RESOURCE_TRACK
1b6bf175 TT	447	extern void print_resource_track(const char *desc,
1b6bf175 TT	448	struct resource_track *track);
3839e657	449	extern void init_resource_track(struct resource_track *track);
8bf191e8	450	#endif
3839e657	451	extern int inode_has_valid_blocks(struct ext2_inode *inode);
08b21301	452	extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
f3db3566	453	struct ext2_inode * inode, const char * proc);
08b21301	454	extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
f3db3566	455	struct ext2_inode * inode, const char * proc);
3839e657 TT	456	#ifdef MTRACE
	457	extern void mtrace_print(char *mesg);
	458	#endif
f1a1761d TT	459	extern blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
f1a1761d TT	460	const char *name, io_manager manager);
6fdc7a32	461	extern int ext2_file_type(unsigned int mode);
3839e657	462
5596defa TT	463	/* unix.c */
5596defa TT	464	extern void e2fsck_clear_progbar(e2fsck_t ctx);
520ead37	465	extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
b0700a1b	466	float percent, unsigned int dpynum);