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Fix broken Makefile dependencies.
[thirdparty/e2fsprogs.git] / e2fsck / e2fsck.h
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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>
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18#endif
19#ifdef HAVE_SYS_TIME_H
3839e657 20#include <sys/time.h>
b2da22d1 21#endif
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22#ifdef HAVE_SETJMP_H
23#include <setjmp.h>
24#endif
3839e657 25
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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"
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32#endif
33
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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
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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 */
61#define FSCK_LIBRARY 128 /* Shared library error */
62
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63/*
64 * The last ext2fs revision level that this version of e2fsck is able to
65 * support
66 */
1e3472c5 67#define E2FSCK_CURRENT_REV 1
f3db3566 68
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69/*
70 * The directory information structure; stores directory information
71 * collected in earlier passes, to avoid disk i/o in fetching the
21c84b71 72 * directory information.
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73 */
74struct dir_info {
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75 ext2_ino_t ino; /* Inode number */
76 ext2_ino_t dotdot; /* Parent according to '..' */
77 ext2_ino_t parent; /* Parent according to treewalk */
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78};
79
8bf191e8 80#ifdef RESOURCE_TRACK
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81/*
82 * This structure is used for keeping track of how much resources have
83 * been used for a particular pass of e2fsck.
84 */
85struct resource_track {
86 struct timeval time_start;
87 struct timeval user_start;
88 struct timeval system_start;
89 void *brk_start;
90};
8bf191e8 91#endif
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92
93/*
1b6bf175 94 * E2fsck options
3839e657 95 */
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96#define E2F_OPT_READONLY 0x0001
97#define E2F_OPT_PREEN 0x0002
98#define E2F_OPT_YES 0x0004
99#define E2F_OPT_NO 0x0008
100#define E2F_OPT_TIME 0x0010
101#define E2F_OPT_TIME2 0x0020
102#define E2F_OPT_CHECKBLOCKS 0x0040
103#define E2F_OPT_DEBUG 0x0080
d37066a9 104#define E2F_OPT_FORCE 0x0100
3839e657 105
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106/*
107 * E2fsck flags
108 */
109#define E2F_FLAG_ABORT 0x0001 /* Abort signaled */
110#define E2F_FLAG_CANCEL 0x0002 /* Cancel signaled */
2df1f6aa 111#define E2F_FLAG_SIGNAL_MASK 0x0003
08b21301 112#define E2F_FLAG_RESTART 0x0004 /* Restart signaled */
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113
114#define E2F_FLAG_SETJMP_OK 0x0010 /* Setjmp valid for abort */
115
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116#define E2F_FLAG_PROG_BAR 0x0020 /* Progress bar on screen */
117#define E2F_FLAG_PROG_SUPPRESS 0x0040 /* Progress suspended */
424cd2be 118#define E2F_FLAG_JOURNAL_INODE 0x0080 /* Create a new ext3 journal inode */
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119#define E2F_FLAG_SB_SPECIFIED 0x0100 /* The superblock was explicitly
120 * specified by the user */
5596defa 121
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122/*
123 * Defines for indicating the e2fsck pass number
124 */
125#define E2F_PASS_1 1
126#define E2F_PASS_2 2
127#define E2F_PASS_3 3
128#define E2F_PASS_4 4
129#define E2F_PASS_5 5
130#define E2F_PASS_1B 6
131
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132/*
133 * Define the extended attribute refcount structure
134 */
135typedef struct ea_refcount *ext2_refcount_t;
136
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137/*
138 * This is the global e2fsck structure.
139 */
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140typedef struct e2fsck_struct *e2fsck_t;
141
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142struct e2fsck_struct {
143 ext2_filsys fs;
144 const char *program_name;
145 const char *filesystem_name;
146 const char *device_name;
08b21301 147 int flags; /* E2fsck internal flags */
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148 int options;
149 blk_t use_superblock; /* sb requested by user */
150 blk_t superblock; /* sb used to open fs */
f1a1761d 151 int blocksize; /* blocksize */
f8188fff 152 blk_t num_blocks; /* Total number of blocks */
1b6bf175 153
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154#ifdef HAVE_SETJMP_H
155 jmp_buf abort_loc;
156#endif
f8188fff 157 unsigned long abort_code;
08b21301 158
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159 int (*progress)(e2fsck_t ctx, int pass, unsigned long cur,
160 unsigned long max);
08b21301 161
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162 ext2fs_inode_bitmap inode_used_map; /* Inodes which are in use */
163 ext2fs_inode_bitmap inode_bad_map; /* Inodes which are bad somehow */
164 ext2fs_inode_bitmap inode_dir_map; /* Inodes which are directories */
165 ext2fs_inode_bitmap inode_bb_map; /* Inodes which are in bad blocks */
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166 ext2fs_inode_bitmap inode_imagic_map; /* AFS inodes */
167 ext2fs_inode_bitmap inode_reg_map; /* Inodes which are regular files*/
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168
169 ext2fs_block_bitmap block_found_map; /* Blocks which are in use */
170 ext2fs_block_bitmap block_dup_map; /* Blks referenced more than once */
342d847d 171 ext2fs_block_bitmap block_ea_map; /* Blocks which are used by EA's */
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172
173 /*
174 * Inode count arrays
175 */
176 ext2_icount_t inode_count;
177 ext2_icount_t inode_link_info;
178
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179 ext2_refcount_t refcount;
180 ext2_refcount_t refcount_extra;
181
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182 /*
183 * Array of flags indicating whether an inode bitmap, block
184 * bitmap, or inode table is invalid
185 */
186 int *invalid_inode_bitmap_flag;
187 int *invalid_block_bitmap_flag;
188 int *invalid_inode_table_flag;
189 int invalid_bitmaps; /* There are invalid bitmaps/itable */
190
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191 /*
192 * Block buffer
193 */
194 char *block_buf;
195
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196 /*
197 * For pass1_check_directory and pass1_get_blocks
198 */
86c627ec 199 ext2_ino_t stashed_ino;
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200 struct ext2_inode *stashed_inode;
201
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202 /*
203 * Directory information
204 */
205 int dir_info_count;
206 int dir_info_size;
207 struct dir_info *dir_info;
208
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209 /*
210 * Tuning parameters
211 */
212 int process_inode_size;
213 int inode_buffer_blocks;
214
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215 /*
216 * ext3 journal support
217 */
218 io_channel journal_io;
219 const char *journal_name;
220
8bf191e8 221#ifdef RESOURCE_TRACK
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222 /*
223 * For timing purposes
224 */
225 struct resource_track global_rtrack;
8bf191e8 226#endif
1b6bf175 227
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228 /*
229 * How we display the progress update (for unix)
230 */
231 int progress_fd;
232 int progress_pos;
5596defa 233 int progress_last_percent;
06012323 234 unsigned int progress_last_time;
efac9a1b 235
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236 /* File counts */
237 int fs_directory_count;
238 int fs_regular_count;
239 int fs_blockdev_count;
240 int fs_chardev_count;
241 int fs_links_count;
242 int fs_symlinks_count;
243 int fs_fast_symlinks_count;
244 int fs_fifo_count;
245 int fs_total_count;
246 int fs_badblocks_count;
247 int fs_sockets_count;
248 int fs_ind_count;
249 int fs_dind_count;
250 int fs_tind_count;
251 int fs_fragmented;
246501c6 252 int large_files;
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253 int fs_ext_attr_inodes;
254 int fs_ext_attr_blocks;
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255
256 /*
257 * For the use of callers of the e2fsck functions; not used by
258 * e2fsck functions themselves.
259 */
260 void *priv_data;
1b6bf175 261};
f3db3566 262
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263/* Used by the region allocation code */
264typedef __u32 region_addr_t;
265typedef struct region_struct *region_t;
1e3472c5 266
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267/*
268 * Procedure declarations
269 */
270
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271extern void e2fsck_pass1(e2fsck_t ctx);
272extern void e2fsck_pass1_dupblocks(e2fsck_t ctx, char *block_buf);
273extern void e2fsck_pass2(e2fsck_t ctx);
274extern void e2fsck_pass3(e2fsck_t ctx);
275extern void e2fsck_pass4(e2fsck_t ctx);
276extern void e2fsck_pass5(e2fsck_t ctx);
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277
278/* e2fsck.c */
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279extern errcode_t e2fsck_allocate_context(e2fsck_t *ret);
280extern errcode_t e2fsck_reset_context(e2fsck_t ctx);
281extern void e2fsck_free_context(e2fsck_t ctx);
282extern int e2fsck_run(e2fsck_t ctx);
283
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284
285/* badblock.c */
1b6bf175 286extern void read_bad_blocks_file(e2fsck_t ctx, const char *bad_blocks_file,
3839e657 287 int replace_bad_blocks);
1b6bf175 288extern void test_disk(e2fsck_t ctx);
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289
290/* dirinfo.c */
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291extern void e2fsck_add_dir_info(e2fsck_t ctx, ext2_ino_t ino, ext2_ino_t parent);
292extern struct dir_info *e2fsck_get_dir_info(e2fsck_t ctx, ext2_ino_t ino);
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293extern void e2fsck_free_dir_info(e2fsck_t ctx);
294extern int e2fsck_get_num_dirs(e2fsck_t ctx);
f8188fff 295extern int e2fsck_get_num_dirinfo(e2fsck_t ctx);
08b21301 296extern struct dir_info *e2fsck_dir_info_iter(e2fsck_t ctx, int *control);
3839e657 297
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298/* ea_refcount.c */
299extern errcode_t ea_refcount_create(int size, ext2_refcount_t *ret);
300extern void ea_refcount_free(ext2_refcount_t refcount);
301extern errcode_t ea_refcount_fetch(ext2_refcount_t refcount, blk_t blk,
302 int *ret);
303extern errcode_t ea_refcount_increment(ext2_refcount_t refcount,
304 blk_t blk, int *ret);
305extern errcode_t ea_refcount_decrement(ext2_refcount_t refcount,
306 blk_t blk, int *ret);
307extern errcode_t ea_refcount_store(ext2_refcount_t refcount,
308 blk_t blk, int count);
4ea7bd04 309extern blk_t ext2fs_get_refcount_size(ext2_refcount_t refcount);
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310extern void ea_refcount_intr_begin(ext2_refcount_t refcount);
311extern blk_t ea_refcount_intr_next(ext2_refcount_t refcount, int *ret);
312
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313/* ehandler.c */
314extern const char *ehandler_operation(const char *op);
315extern void ehandler_init(io_channel channel);
316
17390c04 317/* journal.c */
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318extern int e2fsck_check_ext3_journal(e2fsck_t ctx);
319extern int e2fsck_run_ext3_journal(e2fsck_t ctx);
773fd8a1 320extern void e2fsck_move_ext3_journal(e2fsck_t ctx);
17390c04 321
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322/* pass1.c */
323extern void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int bool);
324extern int e2fsck_pass1_check_device_inode(struct ext2_inode *inode);
67052a8a 325extern int e2fsck_pass1_check_symlink(ext2_filsys fs, struct ext2_inode *inode);
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326
327/* pass2.c */
86c627ec 328extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir, ext2_ino_t ino);
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329
330/* pass3.c */
86c627ec 331extern int e2fsck_reconnect_file(e2fsck_t ctx, ext2_ino_t inode);
e72a9ba3 332
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333/* region.c */
334extern region_t region_create(region_addr_t min, region_addr_t max);
335extern void region_free(region_t region);
336extern int region_allocate(region_t region, region_addr_t start, int n);
337
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338/* super.c */
339void check_super_block(e2fsck_t ctx);
17dba281 340errcode_t e2fsck_get_device_size(e2fsck_t ctx);
1b6bf175 341
1e3472c5 342/* swapfs.c */
1b6bf175 343void swap_filesys(e2fsck_t ctx);
1e3472c5 344
3839e657 345/* util.c */
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346extern void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
347 const char *description);
1b6bf175 348extern int ask(e2fsck_t ctx, const char * string, int def);
3839e657 349extern int ask_yn(const char * string, int def);
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350extern void fatal_error(e2fsck_t ctx, const char * fmt_string);
351extern void e2fsck_read_bitmaps(e2fsck_t ctx);
352extern void e2fsck_write_bitmaps(e2fsck_t ctx);
1b6bf175 353extern void preenhalt(e2fsck_t ctx);
8bf191e8 354#ifdef RESOURCE_TRACK
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355extern void print_resource_track(const char *desc,
356 struct resource_track *track);
3839e657 357extern void init_resource_track(struct resource_track *track);
8bf191e8 358#endif
3839e657 359extern int inode_has_valid_blocks(struct ext2_inode *inode);
08b21301 360extern void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
f3db3566 361 struct ext2_inode * inode, const char * proc);
08b21301 362extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
f3db3566 363 struct ext2_inode * inode, const char * proc);
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364#ifdef MTRACE
365extern void mtrace_print(char *mesg);
366#endif
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367extern blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs,
368 const char *name, io_manager manager);
6fdc7a32 369extern int ext2_file_type(unsigned int mode);
3839e657 370
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371/* unix.c */
372extern void e2fsck_clear_progbar(e2fsck_t ctx);