[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.
 * 
 */

#ifndef _E2FSCK_H
#define _E2FSCK_H

#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

#include "profile.h"
#include "prof_err.h"

#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	0x0200 /* E2fsck has been restarted */
#define E2F_FLAG_RESIZE_INODE	0x0400 /* Request to recreate resize inode */
#define E2F_FLAG_GOT_DEVSIZE	0x0800 /* Device size has been fetched */

/*
 * 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;
	char *io_options;
	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
	 */
	struct dir_info_db	*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;
	int interactive;	/* Are we connected directly to a tty? */
	char start_meta[2], stop_meta[2];
	
	/* File counts */
	__u32 fs_directory_count;
	__u32 fs_regular_count;
	__u32 fs_blockdev_count;
	__u32 fs_chardev_count;
	__u32 fs_links_count;
	__u32 fs_symlinks_count;
	__u32 fs_fast_symlinks_count;
	__u32 fs_fifo_count;
	__u32 fs_total_count;
	__u32 fs_badblocks_count;
	__u32 fs_sockets_count;
	__u32 fs_ind_count;
	__u32 fs_dind_count;
	__u32 fs_tind_count;
	__u32 fs_fragmented;
	__u32 large_files;
	__u32 fs_ext_attr_inodes;
	__u32 fs_ext_attr_blocks;

	/* misc fields */
	time_t now;
	time_t time_fudge;	/* For working around buggy init scripts */
	int ext_attr_ver;
	profile_t	profile;
	int blocks_per_page;

	/*
	 * 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);

/* dirinfo.c */
extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
extern void e2fsck_free_dir_info(e2fsck_t ctx);
extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx);
extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx, 
					     struct dir_info_iter *);
extern void e2fsck_dir_info_iter_end(e2fsck_t ctx, struct dir_info_iter *);
extern int e2fsck_dir_info_set_parent(e2fsck_t ctx, ext2_ino_t ino, 
				      ext2_ino_t parent);
extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx, ext2_ino_t ino, 
				      ext2_ino_t dotdot);
extern int e2fsck_dir_info_get_parent(e2fsck_t ctx, ext2_ino_t ino, 
				      ext2_ino_t *parent);
extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx, ext2_ino_t ino, 
				      ext2_ino_t *dotdot);

/* 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);
extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx);

/* pass1.c */
extern void e2fsck_setup_tdb_icount(e2fsck_t ctx, int flags, 
				    ext2_icount_t *ret);
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);

/* 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);
extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
                               struct ext2_inode * inode, int bufsize,
                               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);
#endif /* _E2FSCK_H */
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
56566129 AD	9	#ifndef _E2FSCK_H
	10	#define _E2FSCK_H
	11
3839e657 TT	12	#include <stdio.h>
3839e657 TT	13	#include <string.h>
4c77fe50	14	#ifdef HAVE_UNISTD_H
3839e657	15	#include <unistd.h>
4c77fe50	16	#endif
3839e657	17	#include <stdlib.h>
54be2ccc	18	#include <time.h>
b2da22d1	19	#ifdef HAVE_SYS_TYPES_H
3839e657	20	#include <sys/types.h>
b2da22d1 TT	21	#endif
b2da22d1 TT	22	#ifdef HAVE_SYS_TIME_H
3839e657	23	#include <sys/time.h>
b2da22d1	24	#endif
08b21301 TT	25	#ifdef HAVE_SETJMP_H
	26	#include <setjmp.h>
	27	#endif
3839e657	28
54dc7ca2 TT	29	#if EXT2_FLAT_INCLUDES
	30	#include "ext2_fs.h"
	31	#include "ext2fs.h"
f364093b	32	#include "blkid.h"
54dc7ca2	33	#else
54c637d4	34	#include "ext2fs/ext2_fs.h"
3839e657	35	#include "ext2fs/ext2fs.h"
f364093b	36	#include "blkid/blkid.h"
54dc7ca2 TT	37	#endif
54dc7ca2 TT	38
1017f651 TT	39	#include "profile.h"
	40	#include "prof_err.h"
	41
0c4a0726 TT	42	#ifdef ENABLE_NLS
	43	#include <libintl.h>
	44	#include <locale.h>
	45	#define _(a) (gettext (a))
	46	#ifdef gettext_noop
	47	#define N_(a) gettext_noop (a)
	48	#else
	49	#define N_(a) (a)
	50	#endif
113e405b	51	#define P_(singular, plural, n) (ngettext (singular, plural, n))
a04eba3f	52	#ifndef NLS_CAT_NAME
0c4a0726	53	#define NLS_CAT_NAME "e2fsprogs"
a04eba3f TT	54	#endif
a04eba3f TT	55	#ifndef LOCALEDIR
0c4a0726	56	#define LOCALEDIR "/usr/share/locale"
a04eba3f	57	#endif
0c4a0726 TT	58	#else
	59	#define _(a) (a)
	60	#define N_(a) a
113e405b	61	#define P_(singular, plural, n) ((n) == 1 ? (singular) : (plural))
0c4a0726 TT	62	#endif
0c4a0726 TT	63
3839e657 TT	64	/*
	65	* Exit codes used by fsck-type programs
	66	*/
	67	#define FSCK_OK 0 /* No errors */
	68	#define FSCK_NONDESTRUCT 1 /* File system errors corrected */
	69	#define FSCK_REBOOT 2 /* System should be rebooted */
	70	#define FSCK_UNCORRECTED 4 /* File system errors left uncorrected */
	71	#define FSCK_ERROR 8 /* Operational error */
	72	#define FSCK_USAGE 16 /* Usage or syntax error */
4cae0452	73	#define FSCK_CANCELED 32 /* Aborted with a signal or ^C */
3839e657 TT	74	#define FSCK_LIBRARY 128 /* Shared library error */
3839e657 TT	75
f3db3566 TT	76	/*
	77	* The last ext2fs revision level that this version of e2fsck is able to
	78	* support
	79	*/
1e3472c5	80	#define E2FSCK_CURRENT_REV 1
f3db3566	81
3839e657 TT	82	/*
	83	* The directory information structure; stores directory information
	84	* collected in earlier passes, to avoid disk i/o in fetching the
21c84b71	85	* directory information.
3839e657 TT	86	*/
3839e657 TT	87	struct dir_info {
86c627ec TT	88	ext2_ino_t ino; /* Inode number */
	89	ext2_ino_t dotdot; /* Parent according to '..' */
	90	ext2_ino_t parent; /* Parent according to treewalk */
3839e657 TT	91	};
3839e657 TT	92
8fdc9985 TT	93
	94	/*
	95	* The indexed directory information structure; stores information for
	96	* directories which contain a hash tree index.
	97	*/
	98	struct dx_dir_info {
	99	ext2_ino_t ino; /* Inode number */
	100	int numblocks; /* number of blocks */
	101	int hashversion;
ad4fa466	102	short depth; /* depth of tree */
8fdc9985 TT	103	struct dx_dirblock_info dx_block; / Array of size numblocks */
	104	};
	105
	106	#define DX_DIRBLOCK_ROOT 1
	107	#define DX_DIRBLOCK_LEAF 2
	108	#define DX_DIRBLOCK_NODE 3
	109	#define DX_DIRBLOCK_CORRUPT 4
	110	#define DX_DIRBLOCK_CLEARED 8
	111
	112	struct dx_dirblock_info {
	113	int type;
	114	blk_t phys;
	115	int flags;
	116	blk_t parent;
	117	ext2_dirhash_t min_hash;
	118	ext2_dirhash_t max_hash;
	119	ext2_dirhash_t node_min_hash;
	120	ext2_dirhash_t node_max_hash;
	121	};
	122
	123	#define DX_FLAG_REFERENCED 1
	124	#define DX_FLAG_DUP_REF 2
	125	#define DX_FLAG_FIRST 4
	126	#define DX_FLAG_LAST 8
	127
8bf191e8	128	#ifdef RESOURCE_TRACK
3839e657 TT	129	/*
	130	* This structure is used for keeping track of how much resources have
	131	* been used for a particular pass of e2fsck.
	132	*/
	133	struct resource_track {
	134	struct timeval time_start;
	135	struct timeval user_start;
	136	struct timeval system_start;
	137	void *brk_start;
	138	};
8bf191e8	139	#endif
3839e657 TT	140
3839e657 TT	141	/*
1b6bf175	142	* E2fsck options
3839e657	143	*/
1b6bf175 TT	144	#define E2F_OPT_READONLY 0x0001
	145	#define E2F_OPT_PREEN 0x0002
	146	#define E2F_OPT_YES 0x0004
	147	#define E2F_OPT_NO 0x0008
	148	#define E2F_OPT_TIME 0x0010
	149	#define E2F_OPT_TIME2 0x0020
	150	#define E2F_OPT_CHECKBLOCKS 0x0040
	151	#define E2F_OPT_DEBUG 0x0080
d37066a9	152	#define E2F_OPT_FORCE 0x0100
3ed57c27	153	#define E2F_OPT_WRITECHECK 0x0200
850d05e9	154	#define E2F_OPT_COMPRESS_DIRS 0x0400
3839e657	155
08b21301 TT	156	/*
	157	* E2fsck flags
	158	*/
	159	#define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
	160	#define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
2df1f6aa	161	#define E2F_FLAG_SIGNAL_MASK 0x0003
08b21301	162	#define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
08b21301 TT	163
	164	#define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
	165
5596defa TT	166	#define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
5596defa TT	167	#define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
424cd2be	168	#define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
ae6cdcf7 TT	169	#define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
ae6cdcf7 TT	170	* specified by the user */
6c7d61da	171	#define E2F_FLAG_RESTARTED 0x0200 /* E2fsck has been restarted */
c3ffaf83	172	#define E2F_FLAG_RESIZE_INODE 0x0400 /* Request to recreate resize inode */
d2af1bdd	173	#define E2F_FLAG_GOT_DEVSIZE 0x0800 /* Device size has been fetched */
5596defa	174
08b21301 TT	175	/*
	176	* Defines for indicating the e2fsck pass number
	177	*/
	178	#define E2F_PASS_1 1
	179	#define E2F_PASS_2 2
	180	#define E2F_PASS_3 3
	181	#define E2F_PASS_4 4
	182	#define E2F_PASS_5 5
	183	#define E2F_PASS_1B 6
	184
342d847d TT	185	/*
	186	* Define the extended attribute refcount structure
	187	*/
	188	typedef struct ea_refcount *ext2_refcount_t;
	189
1b6bf175 TT	190	/*
	191	* This is the global e2fsck structure.
	192	*/
08b21301 TT	193	typedef struct e2fsck_struct *e2fsck_t;
08b21301 TT	194
1b6bf175 TT	195	struct e2fsck_struct {
	196	ext2_filsys fs;
	197	const char *program_name;
f364093b TT	198	char *filesystem_name;
f364093b TT	199	char *device_name;
2e8ca9a2	200	char *io_options;
08b21301	201	int flags; /* E2fsck internal flags */
1b6bf175 TT	202	int options;
	203	blk_t use_superblock; /* sb requested by user */
	204	blk_t superblock; /* sb used to open fs */
f1a1761d	205	int blocksize; /* blocksize */
f8188fff	206	blk_t num_blocks; /* Total number of blocks */
ee895139	207	int mount_flags;
f364093b	208	blkid_cache blkid; /* blkid cache */
1b6bf175	209
08b21301 TT	210	#ifdef HAVE_SETJMP_H
	211	jmp_buf abort_loc;
	212	#endif
f8188fff	213	unsigned long abort_code;
08b21301	214
a02ce9df TT	215	int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
a02ce9df TT	216	unsigned long max);
08b21301	217
1b6bf175 TT	218	ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
	219	ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
	220	ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
	221	ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
aa4115a4 TT	222	ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
aa4115a4 TT	223	ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
1b6bf175 TT	224
	225	ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
	226	ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
342d847d	227	ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
1b6bf175 TT	228
	229	/*
	230	* Inode count arrays
	231	*/
	232	ext2_icount_t inode_count;
	233	ext2_icount_t inode_link_info;
	234
342d847d TT	235	ext2_refcount_t refcount;
	236	ext2_refcount_t refcount_extra;
	237
1b6bf175 TT	238	/*
	239	* Array of flags indicating whether an inode bitmap, block
	240	* bitmap, or inode table is invalid
	241	*/
	242	int *invalid_inode_bitmap_flag;
	243	int *invalid_block_bitmap_flag;
	244	int *invalid_inode_table_flag;
	245	int invalid_bitmaps; /* There are invalid bitmaps/itable */
	246
08b21301 TT	247	/*
	248	* Block buffer
	249	*/
	250	char *block_buf;
	251
1b6bf175 TT	252	/*
	253	* For pass1_check_directory and pass1_get_blocks
	254	*/
86c627ec	255	ext2_ino_t stashed_ino;
1b6bf175 TT	256	struct ext2_inode *stashed_inode;
1b6bf175 TT	257
850d05e9 TT	258	/*
	259	* Location of the lost and found directory
	260	*/
	261	ext2_ino_t lost_and_found;
	262	int bad_lost_and_found;
	263
08b21301 TT	264	/*
	265	* Directory information
	266	*/
28db82a8	267	struct dir_info_db *dir_info;
08b21301	268
8fdc9985 TT	269	/*
	270	* Indexed directory information
	271	*/
	272	int dx_dir_info_count;
	273	int dx_dir_info_size;
	274	struct dx_dir_info *dx_dir_info;
	275
b7a00563 TT	276	/*
	277	* Directories to hash
	278	*/
	279	ext2_u32_list dirs_to_hash;
	280
1b6bf175 TT	281	/*
	282	* Tuning parameters
	283	*/
	284	int process_inode_size;
	285	int inode_buffer_blocks;
	286
adee8d75 TT	287	/*
	288	* ext3 journal support
	289	*/
	290	io_channel journal_io;
f364093b	291	char *journal_name;
adee8d75	292
8bf191e8	293	#ifdef RESOURCE_TRACK
1b6bf175 TT	294	/*
	295	* For timing purposes
	296	*/
	297	struct resource_track global_rtrack;
8bf191e8	298	#endif
1b6bf175	299
efac9a1b TT	300	/*
	301	* How we display the progress update (for unix)
	302	*/
	303	int progress_fd;
	304	int progress_pos;
5596defa	305	int progress_last_percent;
06012323	306	unsigned int progress_last_time;
54a31a3b TT	307	int interactive; /* Are we connected directly to a tty? */
	308	char start_meta[2], stop_meta[2];
	309
1b6bf175	310	/* File counts */
d0ff90d5 ES	311	__u32 fs_directory_count;
	312	__u32 fs_regular_count;
	313	__u32 fs_blockdev_count;
	314	__u32 fs_chardev_count;
	315	__u32 fs_links_count;
	316	__u32 fs_symlinks_count;
	317	__u32 fs_fast_symlinks_count;
	318	__u32 fs_fifo_count;
	319	__u32 fs_total_count;
	320	__u32 fs_badblocks_count;
	321	__u32 fs_sockets_count;
	322	__u32 fs_ind_count;
	323	__u32 fs_dind_count;
	324	__u32 fs_tind_count;
	325	__u32 fs_fragmented;
	326	__u32 large_files;
	327	__u32 fs_ext_attr_inodes;
	328	__u32 fs_ext_attr_blocks;
4313932c	329
9f0288d3	330	/* misc fields */
1f3ad14a	331	time_t now;
60702c26	332	time_t time_fudge; /* For working around buggy init scripts */
0684a4f3	333	int ext_attr_ver;
1017f651	334	profile_t profile;
9f0288d3	335	int blocks_per_page;
1017f651	336
4313932c TT	337	/*
	338	* For the use of callers of the e2fsck functions; not used by
	339	* e2fsck functions themselves.
	340	*/
	341	void *priv_data;
1b6bf175	342	};
f3db3566	343
55fd07ed TT	344	/* Used by the region allocation code */
	345	typedef __u32 region_addr_t;
	346	typedef struct region_struct *region_t;
1e3472c5	347
f364093b TT	348	#ifndef HAVE_STRNLEN
	349	#define strnlen(str, x) e2fsck_strnlen((str),(x))
	350	extern int e2fsck_strnlen(const char * s, int count);
	351	#endif
	352
3839e657 TT	353	/*
	354	* Procedure declarations
	355	*/
	356
08b21301 TT	357	extern void e2fsck_pass1(e2fsck_t ctx);
	358	extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
	359	extern void e2fsck_pass2(e2fsck_t ctx);
	360	extern void e2fsck_pass3(e2fsck_t ctx);
	361	extern void e2fsck_pass4(e2fsck_t ctx);
	362	extern void e2fsck_pass5(e2fsck_t ctx);
1b6bf175 TT	363
1b6bf175 TT	364	/* e2fsck.c */
08b21301 TT	365	extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
	366	extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
	367	extern void e2fsck_free_context(e2fsck_t ctx);
	368	extern int e2fsck_run(e2fsck_t ctx);
	369
3839e657 TT	370
3839e657 TT	371	/* badblock.c */
1b6bf175	372	extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
3839e657	373	int replace_bad_blocks);
3839e657 TT	374
3839e657 TT	375	/* dirinfo.c */
86c627ec	376	extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
08b21301	377	extern void e2fsck_free_dir_info(e2fsck_t ctx);
f8188fff	378	extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
28db82a8 TT	379	extern struct dir_info_iter *e2fsck_dir_info_iter_begin(e2fsck_t ctx);
	380	extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx,
	381	struct dir_info_iter *);
	382	extern void e2fsck_dir_info_iter_end(e2fsck_t ctx, struct dir_info_iter *);
	383	extern int e2fsck_dir_info_set_parent(e2fsck_t ctx, ext2_ino_t ino,
	384	ext2_ino_t parent);
	385	extern int e2fsck_dir_info_set_dotdot(e2fsck_t ctx, ext2_ino_t ino,
	386	ext2_ino_t dotdot);
	387	extern int e2fsck_dir_info_get_parent(e2fsck_t ctx, ext2_ino_t ino,
	388	ext2_ino_t *parent);
	389	extern int e2fsck_dir_info_get_dotdot(e2fsck_t ctx, ext2_ino_t ino,
	390	ext2_ino_t *dotdot);
3839e657	391
8fdc9985 TT	392	/* dx_dirinfo.c */
	393	extern void e2fsck_add_dx_dir(e2fsck_t ctx, ext2_ino_t ino, int num_blocks);
	394	extern struct dx_dir_info *e2fsck_get_dx_dir_info(e2fsck_t ctx, ext2_ino_t ino);
	395	extern void e2fsck_free_dx_dir_info(e2fsck_t ctx);
	396	extern int e2fsck_get_num_dx_dirinfo(e2fsck_t ctx);
	397	extern struct dx_dir_info e2fsck_dx_dir_info_iter(e2fsck_t ctx, int control);
	398
342d847d TT	399	/* ea_refcount.c */
	400	extern errcode_t ea_refcount_create(int size, ext2_refcount_t *ret);
	401	extern void ea_refcount_free(ext2_refcount_t refcount);
	402	extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, blk_t blk,
	403	int *ret);
	404	extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
	405	blk_t blk, int *ret);
	406	extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
	407	blk_t blk, int *ret);
	408	extern errcode_t ea_refcount_store(ext2_refcount_t refcount,
	409	blk_t blk, int count);
4ea7bd04	410	extern blk_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
342d847d TT	411	extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
	412	extern blk_t ea_refcount_intr_next(ext2_refcount_t refcount, int *ret);
	413
3839e657 TT	414	/* ehandler.c */
	415	extern const char ehandler_operation(const char op);
	416	extern void ehandler_init(io_channel channel);
	417
17390c04	418	/* journal.c */
3b5386dc TT	419	extern int e2fsck_check_ext3_journal(e2fsck_t ctx);
3b5386dc TT	420	extern int e2fsck_run_ext3_journal(e2fsck_t ctx);
773fd8a1	421	extern void e2fsck_move_ext3_journal(e2fsck_t ctx);
b1c52b26	422	extern int e2fsck_fix_ext3_journal_hint(e2fsck_t ctx);
17390c04	423
e72a9ba3	424	/* pass1.c */
34b9f796 TT	425	extern void e2fsck_setup_tdb_icount(e2fsck_t ctx, int flags,
34b9f796 TT	426	ext2_icount_t *ret);
e72a9ba3	427	extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int bool);
0684a4f3 TT	428	extern int e2fsck_pass1_check_device_inode(ext2_filsys fs,
0684a4f3 TT	429	struct ext2_inode *inode);
bcf9c5d4 TT	430	extern int e2fsck_pass1_check_symlink(ext2_filsys fs,
bcf9c5d4 TT	431	struct ext2_inode inode, char buf);
e72a9ba3 TT	432
e72a9ba3 TT	433	/* pass2.c */
bcf9c5d4 TT	434	extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
bcf9c5d4 TT	435	ext2_ino_t ino, char *buf);
e72a9ba3 TT	436
e72a9ba3 TT	437	/* pass3.c */
86c627ec	438	extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
b7a00563 TT	439	extern errcode_t e2fsck_expand_directory(e2fsck_t ctx, ext2_ino_t dir,
b7a00563 TT	440	int num, int gauranteed_size);
850d05e9	441	extern ext2_ino_t e2fsck_get_lost_and_found(e2fsck_t ctx, int fix);
b0700a1b TT	442	extern errcode_t e2fsck_adjust_inode_count(e2fsck_t ctx, ext2_ino_t ino,
b0700a1b TT	443	int adj);
b7a00563	444
e72a9ba3	445
55fd07ed TT	446	/* region.c */
	447	extern region_t region_create(region_addr_t min, region_addr_t max);
	448	extern void region_free(region_t region);
	449	extern int region_allocate(region_t region, region_addr_t start, int n);
	450
b7a00563 TT	451	/* rehash.c */
	452	errcode_t e2fsck_rehash_dir(e2fsck_t ctx, ext2_ino_t ino);
	453	void e2fsck_rehash_directories(e2fsck_t ctx);
	454
1b6bf175 TT	455	/* super.c */
	456	void check_super_block(e2fsck_t ctx);
	457
1e3472c5	458	/* swapfs.c */
1b6bf175	459	void swap_filesys(e2fsck_t ctx);
1e3472c5	460
3839e657	461	/* util.c */
f8188fff TT	462	extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
f8188fff TT	463	const char *description);
1b6bf175	464	extern int ask(e2fsck_t ctx, const char * string, int def);
3839e657	465	extern int ask_yn(const char * string, int def);
f8188fff TT	466	extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
	467	extern void e2fsck_read_bitmaps(e2fsck_t ctx);
	468	extern void e2fsck_write_bitmaps(e2fsck_t ctx);
1b6bf175	469	extern void preenhalt(e2fsck_t ctx);
f364093b	470	extern char string_copy(e2fsck_t ctx, const char str, int len);
8bf191e8	471	#ifdef RESOURCE_TRACK
1b6bf175 TT	472	extern void print_resource_track(const char *desc,
1b6bf175 TT	473	struct resource_track *track);
3839e657	474	extern void init_resource_track(struct resource_track *track);
8bf191e8	475	#endif
3839e657	476	extern int inode_has_valid_blocks(struct ext2_inode *inode);
08b21301	477	extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
f3db3566	478	struct ext2_inode * inode, const char * proc);
08b21301	479	extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
f3db3566	480	struct ext2_inode * inode, const char * proc);
9e0cbba8 MA	481	extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
	482	struct ext2_inode * inode, int bufsize,
	483	const char *proc);
3839e657 TT	484	#ifdef MTRACE
	485	extern void mtrace_print(char *mesg);
	486	#endif
f1a1761d TT	487	extern blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
f1a1761d TT	488	const char *name, io_manager manager);
6fdc7a32	489	extern int ext2_file_type(unsigned int mode);
3839e657	490
5596defa TT	491	/* unix.c */
5596defa TT	492	extern void e2fsck_clear_progbar(e2fsck_t ctx);
520ead37	493	extern int e2fsck_simple_progress(e2fsck_t ctx, const char *label,
b0700a1b	494	float percent, unsigned int dpynum);
56566129	495	#endif /* _E2FSCK_H */