[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 <linux/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

/* For Linux/i386, define BLKFLSBUF */
#if (!defined(BLKFLSBUF) && defined(__i386__))
#define BLKFLSBUF  0x1261	/* flush buffer cache */
#endif

/* Everything is STDC, these days */
#define NOARGS void

/*
 * Exit codes used by fsck-type programs
 */
#define FSCK_OK          0	/* No errors */
#define FSCK_NONDESTRUCT 1	/* File system errors corrected */
#define FSCK_REBOOT      2	/* System should be rebooted */
#define FSCK_UNCORRECTED 4	/* File system errors left uncorrected */
#define FSCK_ERROR       8	/* Operational error */
#define FSCK_USAGE       16	/* Usage or syntax error */
#define FSCK_LIBRARY     128	/* Shared library error */

/*
 * The last ext2fs revision level that this version of e2fsck is able to
 * support
 */
#define E2FSCK_CURRENT_REV	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 {
	ino_t			ino;	/* Inode number */
	ino_t			dotdot;	/* Parent according to '..' */
	ino_t			parent; /* Parent according to treewalk */
};

#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

/*
 * 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 */

/*
 * 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

/*
 * 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 */
	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 */

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

	/*
	 * 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
	 */
	ino_t stashed_ino;
	struct ext2_inode *stashed_inode;

	/*
	 * Directory information
	 */
	int		dir_info_count;
	int		dir_info_size;
	struct dir_info	*dir_info;

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

#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;

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


/*
 * 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, ino_t ino, ino_t parent);
extern struct dir_info *e2fsck_get_dir_info(e2fsck_t ctx, ino_t ino);
extern void e2fsck_free_dir_info(e2fsck_t ctx);
extern int e2fsck_get_num_dirs(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);

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

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

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

/* pass3.c */
extern int e2fsck_reconnect_file(e2fsck_t ctx, ino_t inode);

/* 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(ext2_filsys fs);
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
	30	#include <linux/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
28ffafb0 TT	52	/* For Linux/i386, define BLKFLSBUF */
	53	#if (!defined(BLKFLSBUF) && defined(__i386__))
	54	#define BLKFLSBUF 0x1261 /* flush buffer cache */
	55	#endif
3839e657	56
08b21301	57	/* Everything is STDC, these days */
3839e657	58	#define NOARGS void
3839e657 TT	59
	60	/*
	61	* Exit codes used by fsck-type programs
	62	*/
	63	#define FSCK_OK 0 /* No errors */
	64	#define FSCK_NONDESTRUCT 1 /* File system errors corrected */
	65	#define FSCK_REBOOT 2 /* System should be rebooted */
	66	#define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */
	67	#define FSCK_ERROR 8 /* Operational error */
	68	#define FSCK_USAGE 16 /* Usage or syntax error */
	69	#define FSCK_LIBRARY 128 /* Shared library error */
	70
f3db3566 TT	71	/*
	72	* The last ext2fs revision level that this version of e2fsck is able to
	73	* support
	74	*/
1e3472c5	75	#define E2FSCK_CURRENT_REV 1
f3db3566	76
3839e657 TT	77	/*
	78	* The directory information structure; stores directory information
	79	* collected in earlier passes, to avoid disk i/o in fetching the
21c84b71	80	* directory information.
3839e657 TT	81	*/
	82	struct dir_info {
	83	ino_t ino; /* Inode number */
	84	ino_t dotdot; /* Parent according to '..' */
	85	ino_t parent; /* Parent according to treewalk */
	86	};
	87
8bf191e8	88	#ifdef RESOURCE_TRACK
3839e657 TT	89	/*
	90	* This structure is used for keeping track of how much resources have
	91	* been used for a particular pass of e2fsck.
	92	*/
	93	struct resource_track {
	94	struct timeval time_start;
	95	struct timeval user_start;
	96	struct timeval system_start;
	97	void *brk_start;
	98	};
8bf191e8	99	#endif
3839e657 TT	100
3839e657 TT	101	/*
1b6bf175	102	* E2fsck options
3839e657	103	*/
1b6bf175 TT	104	#define E2F_OPT_READONLY 0x0001
	105	#define E2F_OPT_PREEN 0x0002
	106	#define E2F_OPT_YES 0x0004
	107	#define E2F_OPT_NO 0x0008
	108	#define E2F_OPT_TIME 0x0010
	109	#define E2F_OPT_TIME2 0x0020
	110	#define E2F_OPT_CHECKBLOCKS 0x0040
	111	#define E2F_OPT_DEBUG 0x0080
3839e657	112
08b21301 TT	113	/*
	114	* E2fsck flags
	115	*/
	116	#define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
	117	#define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
2df1f6aa	118	#define E2F_FLAG_SIGNAL_MASK 0x0003
08b21301	119	#define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
08b21301 TT	120
	121	#define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
	122
5596defa TT	123	#define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
	124	#define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
	125
08b21301 TT	126	/*
	127	* Defines for indicating the e2fsck pass number
	128	*/
	129	#define E2F_PASS_1 1
	130	#define E2F_PASS_2 2
	131	#define E2F_PASS_3 3
	132	#define E2F_PASS_4 4
	133	#define E2F_PASS_5 5
	134	#define E2F_PASS_1B 6
	135
1b6bf175 TT	136	/*
	137	* This is the global e2fsck structure.
	138	*/
08b21301 TT	139	typedef struct e2fsck_struct *e2fsck_t;
08b21301 TT	140
1b6bf175 TT	141	struct e2fsck_struct {
	142	ext2_filsys fs;
	143	const char *program_name;
	144	const char *filesystem_name;
	145	const char *device_name;
08b21301	146	int flags; /* E2fsck internal flags */
1b6bf175 TT	147	int options;
	148	blk_t use_superblock; /* sb requested by user */
	149	blk_t superblock; /* sb used to open fs */
f8188fff	150	blk_t num_blocks; /* Total number of blocks */
1b6bf175	151
08b21301 TT	152	#ifdef HAVE_SETJMP_H
	153	jmp_buf abort_loc;
	154	#endif
f8188fff	155	unsigned long abort_code;
08b21301	156
a02ce9df TT	157	int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
a02ce9df TT	158	unsigned long max);
08b21301	159
1b6bf175 TT	160	ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
	161	ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
	162	ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
	163	ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
aa4115a4 TT	164	ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
aa4115a4 TT	165	ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
1b6bf175 TT	166
	167	ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
	168	ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
1b6bf175 TT	169
	170	/*
	171	* Inode count arrays
	172	*/
	173	ext2_icount_t inode_count;
	174	ext2_icount_t inode_link_info;
	175
	176	/*
	177	* Array of flags indicating whether an inode bitmap, block
	178	* bitmap, or inode table is invalid
	179	*/
	180	int *invalid_inode_bitmap_flag;
	181	int *invalid_block_bitmap_flag;
	182	int *invalid_inode_table_flag;
	183	int invalid_bitmaps; /* There are invalid bitmaps/itable */
	184
08b21301 TT	185	/*
	186	* Block buffer
	187	*/
	188	char *block_buf;
	189
1b6bf175 TT	190	/*
	191	* For pass1_check_directory and pass1_get_blocks
	192	*/
	193	ino_t stashed_ino;
	194	struct ext2_inode *stashed_inode;
	195
08b21301 TT	196	/*
	197	* Directory information
	198	*/
	199	int dir_info_count;
	200	int dir_info_size;
	201	struct dir_info *dir_info;
	202
1b6bf175 TT	203	/*
	204	* Tuning parameters
	205	*/
	206	int process_inode_size;
	207	int inode_buffer_blocks;
	208
8bf191e8	209	#ifdef RESOURCE_TRACK
1b6bf175 TT	210	/*
	211	* For timing purposes
	212	*/
	213	struct resource_track global_rtrack;
8bf191e8	214	#endif
1b6bf175	215
efac9a1b TT	216	/*
	217	* How we display the progress update (for unix)
	218	*/
	219	int progress_fd;
	220	int progress_pos;
5596defa	221	int progress_last_percent;
06012323	222	unsigned int progress_last_time;
efac9a1b	223
1b6bf175 TT	224	/* File counts */
	225	int fs_directory_count;
	226	int fs_regular_count;
	227	int fs_blockdev_count;
	228	int fs_chardev_count;
	229	int fs_links_count;
	230	int fs_symlinks_count;
	231	int fs_fast_symlinks_count;
	232	int fs_fifo_count;
	233	int fs_total_count;
	234	int fs_badblocks_count;
	235	int fs_sockets_count;
	236	int fs_ind_count;
	237	int fs_dind_count;
	238	int fs_tind_count;
	239	int fs_fragmented;
246501c6	240	int large_files;
4313932c TT	241
	242	/*
	243	* For the use of callers of the e2fsck functions; not used by
	244	* e2fsck functions themselves.
	245	*/
	246	void *priv_data;
1b6bf175	247	};
f3db3566	248
1e3472c5	249
3839e657 TT	250	/*
	251	* Procedure declarations
	252	*/
	253
08b21301 TT	254	extern void e2fsck_pass1(e2fsck_t ctx);
	255	extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
	256	extern void e2fsck_pass2(e2fsck_t ctx);
	257	extern void e2fsck_pass3(e2fsck_t ctx);
	258	extern void e2fsck_pass4(e2fsck_t ctx);
	259	extern void e2fsck_pass5(e2fsck_t ctx);
1b6bf175 TT	260
1b6bf175 TT	261	/* e2fsck.c */
08b21301 TT	262	extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
	263	extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
	264	extern void e2fsck_free_context(e2fsck_t ctx);
	265	extern int e2fsck_run(e2fsck_t ctx);
	266
3839e657 TT	267
3839e657 TT	268	/* badblock.c */
1b6bf175	269	extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
3839e657	270	int replace_bad_blocks);
1b6bf175	271	extern void test_disk(e2fsck_t ctx);
3839e657 TT	272
3839e657 TT	273	/* dirinfo.c */
08b21301 TT	274	extern void e2fsck_add_dir_info(e2fsck_t ctx, ino_t ino, ino_t parent);
	275	extern struct dir_info *e2fsck_get_dir_info(e2fsck_t ctx, ino_t ino);
	276	extern void e2fsck_free_dir_info(e2fsck_t ctx);
	277	extern int e2fsck_get_num_dirs(e2fsck_t ctx);
f8188fff	278	extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
08b21301	279	extern struct dir_info e2fsck_dir_info_iter(e2fsck_t ctx, int control);
3839e657 TT	280
	281	/* ehandler.c */
	282	extern const char ehandler_operation(const char op);
	283	extern void ehandler_init(io_channel channel);
	284
e72a9ba3 TT	285	/* pass1.c */
	286	extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int bool);
	287	extern int e2fsck_pass1_check_device_inode(struct ext2_inode *inode);
	288
	289	/* pass2.c */
	290	extern int e2fsck_process_bad_inode(e2fsck_t ctx, ino_t dir, ino_t ino);
	291
	292	/* pass3.c */
	293	extern int e2fsck_reconnect_file(e2fsck_t ctx, ino_t inode);
	294
1b6bf175 TT	295	/* super.c */
1b6bf175 TT	296	void check_super_block(e2fsck_t ctx);
17dba281	297	errcode_t e2fsck_get_device_size(e2fsck_t ctx);
1b6bf175	298
1e3472c5	299	/* swapfs.c */
1b6bf175	300	void swap_filesys(e2fsck_t ctx);
1e3472c5	301
3839e657	302	/* util.c */
f8188fff TT	303	extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
f8188fff TT	304	const char *description);
1b6bf175	305	extern int ask(e2fsck_t ctx, const char * string, int def);
3839e657	306	extern int ask_yn(const char * string, int def);
f8188fff TT	307	extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
	308	extern void e2fsck_read_bitmaps(e2fsck_t ctx);
	309	extern void e2fsck_write_bitmaps(e2fsck_t ctx);
1b6bf175	310	extern void preenhalt(e2fsck_t ctx);
8bf191e8	311	#ifdef RESOURCE_TRACK
1b6bf175 TT	312	extern void print_resource_track(const char *desc,
1b6bf175 TT	313	struct resource_track *track);
3839e657	314	extern void init_resource_track(struct resource_track *track);
8bf191e8	315	#endif
3839e657	316	extern int inode_has_valid_blocks(struct ext2_inode *inode);
08b21301	317	extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
f3db3566	318	struct ext2_inode * inode, const char * proc);
08b21301	319	extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
f3db3566	320	struct ext2_inode * inode, const char * proc);
3839e657 TT	321	#ifdef MTRACE
	322	extern void mtrace_print(char *mesg);
	323	#endif
1b6bf175	324	extern blk_t get_backup_sb(ext2_filsys fs);
6fdc7a32	325	extern int ext2_file_type(unsigned int mode);
3839e657	326
5596defa TT	327	/* unix.c */
5596defa TT	328	extern void e2fsck_clear_progbar(e2fsck_t ctx);