[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"
#else
#include "ext2fs/ext2_fs.h"
#include "ext2fs/ext2fs.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
/* FIXME */
#define NLS_CAT_NAME "e2fsprogs"
#define LOCALEDIR "/usr/share/locale"
/* FIXME */
#else
#define _(a) (a)
#define N_(a) a
#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;
	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

/*
 * 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 */

/*
 * 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;
	const char *filesystem_name;
	const 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 */

#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;

	/*
	 * 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;
	const 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;

	/*
	 * 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;

/*
 * 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(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);


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