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Commit | Line | Data |
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3839e657 TT |
1 | /* |
2 | * ext2fs.h --- ext2fs | |
3 | * | |
19c78dc0 TT |
4 | * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. |
5 | * | |
6 | * %Begin-Header% | |
7 | * This file may be redistributed under the terms of the GNU Public | |
8 | * License. | |
9 | * %End-Header% | |
3839e657 TT |
10 | */ |
11 | ||
9abd2ce9 TT |
12 | #ifndef _EXT2FS_EXT2FS_H |
13 | #define _EXT2FS_EXT2FS_H | |
14 | ||
54434927 TT |
15 | #ifdef __GNUC__ |
16 | #define EXT2FS_ATTR(x) __attribute__(x) | |
17 | #else | |
18 | #define EXT2FS_ATTR(x) | |
19 | #endif | |
20 | ||
fa7ef717 TT |
21 | #ifdef __cplusplus |
22 | extern "C" { | |
23 | #endif | |
24 | ||
19c78dc0 TT |
25 | /* |
26 | * Non-GNU C compilers won't necessarily understand inline | |
27 | */ | |
76f875da | 28 | #if (!defined(__GNUC__) && !defined(__WATCOMC__)) |
19c78dc0 TT |
29 | #define NO_INLINE_FUNCS |
30 | #endif | |
31 | ||
5df55d7f TT |
32 | /* |
33 | * Build in support for byte-swapping filesystems if we the feature | |
34 | * has been configured or if we're being built on a CPU architecture | |
35 | * with a non-native byte order. | |
36 | */ | |
37 | #if defined(ENABLE_SWAPFS) || defined(WORDS_BIGENDIAN) | |
38 | #define EXT2FS_ENABLE_SWAPFS | |
39 | #endif | |
40 | ||
3839e657 TT |
41 | /* |
42 | * Where the master copy of the superblock is located, and how big | |
43 | * superblocks are supposed to be. We define SUPERBLOCK_SIZE because | |
44 | * the size of the superblock structure is not necessarily trustworthy | |
45 | * (some versions have the padding set up so that the superblock is | |
46 | * 1032 bytes long). | |
47 | */ | |
48 | #define SUPERBLOCK_OFFSET 1024 | |
49 | #define SUPERBLOCK_SIZE 1024 | |
50 | ||
f3db3566 TT |
51 | /* |
52 | * The last ext2fs revision level that this version of the library is | |
53 | * able to support. | |
54 | */ | |
e5b38a5f | 55 | #define EXT2_LIB_CURRENT_REV EXT2_DYNAMIC_REV |
f3db3566 | 56 | |
d40259fd | 57 | #ifdef HAVE_SYS_TYPES_H |
1e3472c5 | 58 | #include <sys/types.h> |
d40259fd TT |
59 | #endif |
60 | ||
3e699064 | 61 | #include <stdio.h> |
5be8dc21 | 62 | #include <stdlib.h> |
5953b9de TT |
63 | |
64 | #if EXT2_FLAT_INCLUDES | |
65 | #include "e2_types.h" | |
3e699064 | 66 | #include "ext2_fs.h" |
5953b9de | 67 | #else |
797f5ef1 | 68 | #include <ext2fs/ext2_types.h> |
3e699064 | 69 | #include <ext2fs/ext2_fs.h> |
e589f678 | 70 | #endif /* EXT2_FLAT_INCLUDES */ |
50e1e10f | 71 | |
31dbecd4 | 72 | typedef __u32 ext2_ino_t; |
50e1e10f | 73 | typedef __u32 blk_t; |
2eb374c9 | 74 | typedef __u32 dgrp_t; |
30fab293 | 75 | typedef __u32 ext2_off_t; |
03673dbb | 76 | typedef __s64 e2_blkcnt_t; |
52783e0c | 77 | typedef __u32 ext2_dirhash_t; |
3839e657 | 78 | |
b5abe6fa TT |
79 | #if EXT2_FLAT_INCLUDES |
80 | #include "com_err.h" | |
81 | #include "ext2_io.h" | |
82 | #include "ext2_err.h" | |
83 | #else | |
7c2d2569 TT |
84 | #include <et/com_err.h> |
85 | #include <ext2fs/ext2_io.h> | |
86 | #include <ext2fs/ext2_err.h> | |
b5abe6fa | 87 | #endif |
3839e657 | 88 | |
4c77fe50 TT |
89 | /* |
90 | * Portability help for Microsoft Visual C++ | |
91 | */ | |
92 | #ifdef _MSC_VER | |
93 | #define EXT2_QSORT_TYPE int __cdecl | |
94 | #else | |
95 | #define EXT2_QSORT_TYPE int | |
96 | #endif | |
97 | ||
f3db3566 TT |
98 | typedef struct struct_ext2_filsys *ext2_filsys; |
99 | ||
1e3472c5 | 100 | struct ext2fs_struct_generic_bitmap { |
4cbe8af4 | 101 | errcode_t magic; |
1e3472c5 TT |
102 | ext2_filsys fs; |
103 | __u32 start, end; | |
104 | __u32 real_end; | |
105 | char * description; | |
106 | char * bitmap; | |
107 | errcode_t base_error_code; | |
108 | __u32 reserved[7]; | |
f3db3566 TT |
109 | }; |
110 | ||
1e3472c5 TT |
111 | #define EXT2FS_MARK_ERROR 0 |
112 | #define EXT2FS_UNMARK_ERROR 1 | |
113 | #define EXT2FS_TEST_ERROR 2 | |
f3db3566 | 114 | |
1e3472c5 | 115 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_generic_bitmap; |
1e3472c5 | 116 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_inode_bitmap; |
1e3472c5 | 117 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_block_bitmap; |
f3db3566 | 118 | |
7f88b043 TT |
119 | #ifdef EXT2_DYNAMIC_REV |
120 | #define EXT2_FIRST_INODE(s) EXT2_FIRST_INO(s) | |
121 | #else | |
122 | #define EXT2_FIRST_INODE(s) EXT2_FIRST_INO | |
123 | #define EXT2_INODE_SIZE(s) sizeof(struct ext2_inode) | |
124 | #endif | |
125 | ||
19c78dc0 TT |
126 | /* |
127 | * badblocks list definitions | |
128 | */ | |
129 | ||
b7a00563 TT |
130 | typedef struct ext2_struct_u32_list *ext2_badblocks_list; |
131 | typedef struct ext2_struct_u32_iterate *ext2_badblocks_iterate; | |
132 | ||
133 | typedef struct ext2_struct_u32_list *ext2_u32_list; | |
134 | typedef struct ext2_struct_u32_iterate *ext2_u32_iterate; | |
19c78dc0 TT |
135 | |
136 | /* old */ | |
b7a00563 TT |
137 | typedef struct ext2_struct_u32_list *badblocks_list; |
138 | typedef struct ext2_struct_u32_iterate *badblocks_iterate; | |
19c78dc0 TT |
139 | |
140 | #define BADBLOCKS_FLAG_DIRTY 1 | |
141 | ||
142 | /* | |
143 | * ext2_dblist structure and abstractions (see dblist.c) | |
144 | */ | |
145 | struct ext2_db_entry { | |
31dbecd4 | 146 | ext2_ino_t ino; |
19c78dc0 TT |
147 | blk_t blk; |
148 | int blockcnt; | |
149 | }; | |
150 | ||
151 | typedef struct ext2_struct_dblist *ext2_dblist; | |
152 | ||
153 | #define DBLIST_ABORT 1 | |
154 | ||
30fab293 TT |
155 | /* |
156 | * ext2_fileio definitions | |
157 | */ | |
158 | ||
159 | #define EXT2_FILE_WRITE 0x0001 | |
160 | #define EXT2_FILE_CREATE 0x0002 | |
161 | ||
162 | #define EXT2_FILE_MASK 0x00FF | |
163 | ||
164 | #define EXT2_FILE_BUF_DIRTY 0x4000 | |
165 | #define EXT2_FILE_BUF_VALID 0x2000 | |
166 | ||
167 | typedef struct ext2_file *ext2_file_t; | |
168 | ||
169 | #define EXT2_SEEK_SET 0 | |
170 | #define EXT2_SEEK_CUR 1 | |
171 | #define EXT2_SEEK_END 2 | |
172 | ||
3839e657 | 173 | /* |
a112847b | 174 | * Flags for the ext2_filsys structure and for ext2fs_open() |
3839e657 | 175 | */ |
19c78dc0 TT |
176 | #define EXT2_FLAG_RW 0x01 |
177 | #define EXT2_FLAG_CHANGED 0x02 | |
178 | #define EXT2_FLAG_DIRTY 0x04 | |
179 | #define EXT2_FLAG_VALID 0x08 | |
180 | #define EXT2_FLAG_IB_DIRTY 0x10 | |
181 | #define EXT2_FLAG_BB_DIRTY 0x20 | |
5c576477 TT |
182 | #define EXT2_FLAG_SWAP_BYTES 0x40 |
183 | #define EXT2_FLAG_SWAP_BYTES_READ 0x80 | |
184 | #define EXT2_FLAG_SWAP_BYTES_WRITE 0x100 | |
185 | #define EXT2_FLAG_MASTER_SB_ONLY 0x200 | |
19c78dc0 | 186 | #define EXT2_FLAG_FORCE 0x400 |
43ec8734 | 187 | #define EXT2_FLAG_SUPER_ONLY 0x800 |
a112847b | 188 | #define EXT2_FLAG_JOURNAL_DEV_OK 0x1000 |
a78926ef | 189 | #define EXT2_FLAG_IMAGE_FILE 0x2000 |
3839e657 | 190 | |
7f88b043 TT |
191 | /* |
192 | * Special flag in the ext2 inode i_flag field that means that this is | |
193 | * a new inode. (So that ext2_write_inode() can clear extra fields.) | |
194 | */ | |
195 | #define EXT2_NEW_INODE_FL 0x80000000 | |
196 | ||
4e246704 TT |
197 | /* |
198 | * Flags for mkjournal | |
199 | * | |
200 | * EXT2_MKJOURNAL_V1_SUPER Make a (deprecated) V1 journal superblock | |
201 | */ | |
202 | #define EXT2_MKJOURNAL_V1_SUPER 0x0000001 | |
203 | ||
3839e657 | 204 | struct struct_ext2_filsys { |
4cbe8af4 | 205 | errcode_t magic; |
3839e657 TT |
206 | io_channel io; |
207 | int flags; | |
208 | char * device_name; | |
209 | struct ext2_super_block * super; | |
54434927 | 210 | unsigned int blocksize; |
3839e657 | 211 | int fragsize; |
2eb374c9 | 212 | dgrp_t group_desc_count; |
3839e657 TT |
213 | unsigned long desc_blocks; |
214 | struct ext2_group_desc * group_desc; | |
215 | int inode_blocks_per_group; | |
f3db3566 TT |
216 | ext2fs_inode_bitmap inode_map; |
217 | ext2fs_block_bitmap block_map; | |
31dbecd4 TT |
218 | errcode_t (*get_blocks)(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
219 | errcode_t (*check_directory)(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 220 | errcode_t (*write_bitmaps)(ext2_filsys fs); |
31dbecd4 | 221 | errcode_t (*read_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 222 | struct ext2_inode *inode); |
31dbecd4 | 223 | errcode_t (*write_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 224 | struct ext2_inode *inode); |
b7a00563 | 225 | ext2_badblocks_list badblocks; |
19c78dc0 | 226 | ext2_dblist dblist; |
a29f4d30 | 227 | __u32 stride; /* for mke2fs */ |
c180ac86 | 228 | struct ext2_super_block * orig_super; |
a78926ef | 229 | struct ext2_image_hdr * image_header; |
6a525069 | 230 | __u32 umask; |
19c78dc0 TT |
231 | /* |
232 | * Reserved for future expansion | |
233 | */ | |
6a525069 | 234 | __u32 reserved[8]; |
3839e657 TT |
235 | |
236 | /* | |
a29f4d30 | 237 | * Reserved for the use of the calling application. |
3839e657 | 238 | */ |
b5abe6fa | 239 | void * priv_data; |
a29f4d30 TT |
240 | |
241 | /* | |
242 | * Inode cache | |
243 | */ | |
244 | struct ext2_inode_cache *icache; | |
1ad54a94 | 245 | io_channel image_io; |
3839e657 TT |
246 | }; |
247 | ||
5953b9de TT |
248 | #if EXT2_FLAT_INCLUDES |
249 | #include "e2_bitops.h" | |
250 | #else | |
7c2d2569 | 251 | #include <ext2fs/bitops.h> |
5953b9de | 252 | #endif |
d40259fd | 253 | |
3839e657 TT |
254 | /* |
255 | * Return flags for the block iterator functions | |
256 | */ | |
257 | #define BLOCK_CHANGED 1 | |
258 | #define BLOCK_ABORT 2 | |
259 | #define BLOCK_ERROR 4 | |
260 | ||
261 | /* | |
262 | * Block interate flags | |
50e1e10f TT |
263 | * |
264 | * BLOCK_FLAG_APPEND, or BLOCK_FLAG_HOLE, indicates that the interator | |
265 | * function should be called on blocks where the block number is zero. | |
266 | * This is used by ext2fs_expand_dir() to be able to add a new block | |
267 | * to an inode. It can also be used for programs that want to be able | |
268 | * to deal with files that contain "holes". | |
269 | * | |
270 | * BLOCK_FLAG_TRAVERSE indicates that the iterator function for the | |
271 | * indirect, doubly indirect, etc. blocks should be called after all | |
272 | * of the blocks containined in the indirect blocks are processed. | |
273 | * This is useful if you are going to be deallocating blocks from an | |
274 | * inode. | |
1e3472c5 TT |
275 | * |
276 | * BLOCK_FLAG_DATA_ONLY indicates that the iterator function should be | |
277 | * called for data blocks only. | |
674a4ee1 TT |
278 | * |
279 | * BLOCK_FLAG_NO_LARGE is for internal use only. It informs | |
36a43d67 | 280 | * ext2fs_block_iterate2 that large files won't be accepted. |
3839e657 TT |
281 | */ |
282 | #define BLOCK_FLAG_APPEND 1 | |
50e1e10f | 283 | #define BLOCK_FLAG_HOLE 1 |
3839e657 | 284 | #define BLOCK_FLAG_DEPTH_TRAVERSE 2 |
1e3472c5 TT |
285 | #define BLOCK_FLAG_DATA_ONLY 4 |
286 | ||
674a4ee1 TT |
287 | #define BLOCK_FLAG_NO_LARGE 0x1000 |
288 | ||
1e3472c5 TT |
289 | /* |
290 | * Magic "block count" return values for the block iterator function. | |
291 | */ | |
292 | #define BLOCK_COUNT_IND (-1) | |
293 | #define BLOCK_COUNT_DIND (-2) | |
294 | #define BLOCK_COUNT_TIND (-3) | |
295 | #define BLOCK_COUNT_TRANSLATOR (-4) | |
3839e657 | 296 | |
4a31c48b | 297 | #if 0 |
1e1da29f TT |
298 | /* |
299 | * Flags for ext2fs_move_blocks | |
300 | */ | |
301 | #define EXT2_BMOVE_GET_DBLIST 0x0001 | |
36f21439 | 302 | #define EXT2_BMOVE_DEBUG 0x0002 |
4a31c48b | 303 | #endif |
1e1da29f | 304 | |
f9190c8a TT |
305 | /* |
306 | * Flags for directory block reading and writing functions | |
307 | */ | |
308 | #define EXT2_DIRBLOCK_V2_STRUCT 0x0001 | |
309 | ||
3839e657 TT |
310 | /* |
311 | * Return flags for the directory iterator functions | |
312 | */ | |
313 | #define DIRENT_CHANGED 1 | |
314 | #define DIRENT_ABORT 2 | |
315 | #define DIRENT_ERROR 3 | |
316 | ||
317 | /* | |
318 | * Directory iterator flags | |
319 | */ | |
320 | ||
321 | #define DIRENT_FLAG_INCLUDE_EMPTY 1 | |
8bd0c959 | 322 | #define DIRENT_FLAG_INCLUDE_REMOVED 2 |
19c78dc0 TT |
323 | |
324 | #define DIRENT_DOT_FILE 1 | |
325 | #define DIRENT_DOT_DOT_FILE 2 | |
326 | #define DIRENT_OTHER_FILE 3 | |
8bd0c959 | 327 | #define DIRENT_DELETED_FILE 4 |
19c78dc0 | 328 | |
3839e657 TT |
329 | /* |
330 | * Inode scan definitions | |
331 | */ | |
f3db3566 TT |
332 | typedef struct ext2_struct_inode_scan *ext2_inode_scan; |
333 | ||
19c78dc0 TT |
334 | /* |
335 | * ext2fs_scan flags | |
336 | */ | |
337 | #define EXT2_SF_CHK_BADBLOCKS 0x0001 | |
338 | #define EXT2_SF_BAD_INODE_BLK 0x0002 | |
339 | #define EXT2_SF_BAD_EXTRA_BYTES 0x0004 | |
340 | #define EXT2_SF_SKIP_MISSING_ITABLE 0x0008 | |
3839e657 | 341 | |
50e1e10f TT |
342 | /* |
343 | * ext2fs_check_if_mounted flags | |
344 | */ | |
345 | #define EXT2_MF_MOUNTED 1 | |
346 | #define EXT2_MF_ISROOT 2 | |
19c78dc0 | 347 | #define EXT2_MF_READONLY 4 |
07cefe7a | 348 | #define EXT2_MF_SWAP 8 |
50e1e10f TT |
349 | |
350 | /* | |
351 | * Ext2/linux mode flags. We define them here so that we don't need | |
352 | * to depend on the OS's sys/stat.h, since we may be compiling on a | |
353 | * non-Linux system. | |
354 | */ | |
355 | #define LINUX_S_IFMT 00170000 | |
356 | #define LINUX_S_IFSOCK 0140000 | |
357 | #define LINUX_S_IFLNK 0120000 | |
358 | #define LINUX_S_IFREG 0100000 | |
359 | #define LINUX_S_IFBLK 0060000 | |
360 | #define LINUX_S_IFDIR 0040000 | |
361 | #define LINUX_S_IFCHR 0020000 | |
362 | #define LINUX_S_IFIFO 0010000 | |
363 | #define LINUX_S_ISUID 0004000 | |
364 | #define LINUX_S_ISGID 0002000 | |
365 | #define LINUX_S_ISVTX 0001000 | |
366 | ||
1e3472c5 TT |
367 | #define LINUX_S_IRWXU 00700 |
368 | #define LINUX_S_IRUSR 00400 | |
369 | #define LINUX_S_IWUSR 00200 | |
370 | #define LINUX_S_IXUSR 00100 | |
371 | ||
372 | #define LINUX_S_IRWXG 00070 | |
373 | #define LINUX_S_IRGRP 00040 | |
374 | #define LINUX_S_IWGRP 00020 | |
375 | #define LINUX_S_IXGRP 00010 | |
376 | ||
377 | #define LINUX_S_IRWXO 00007 | |
378 | #define LINUX_S_IROTH 00004 | |
379 | #define LINUX_S_IWOTH 00002 | |
380 | #define LINUX_S_IXOTH 00001 | |
381 | ||
50e1e10f TT |
382 | #define LINUX_S_ISLNK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFLNK) |
383 | #define LINUX_S_ISREG(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFREG) | |
384 | #define LINUX_S_ISDIR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFDIR) | |
385 | #define LINUX_S_ISCHR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFCHR) | |
386 | #define LINUX_S_ISBLK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFBLK) | |
387 | #define LINUX_S_ISFIFO(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFIFO) | |
388 | #define LINUX_S_ISSOCK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK) | |
389 | ||
819157db TT |
390 | /* |
391 | * ext2 size of an inode | |
392 | */ | |
393 | #define EXT2_I_SIZE(i) ((i)->i_size | ((__u64) (i)->i_size_high << 32)) | |
394 | ||
19c78dc0 TT |
395 | /* |
396 | * ext2_icount_t abstraction | |
397 | */ | |
398 | #define EXT2_ICOUNT_OPT_INCREMENT 0x01 | |
399 | ||
400 | typedef struct ext2_icount *ext2_icount_t; | |
401 | ||
30fab293 TT |
402 | /* |
403 | * Flags for ext2fs_bmap | |
404 | */ | |
405 | #define BMAP_ALLOC 1 | |
406 | ||
72ed1264 TT |
407 | /* |
408 | * Flags for imager.c functions | |
409 | */ | |
410 | #define IMAGER_FLAG_INODEMAP 1 | |
411 | #define IMAGER_FLAG_SPARSEWRITE 2 | |
412 | ||
f3db3566 TT |
413 | /* |
414 | * For checking structure magic numbers... | |
415 | */ | |
3839e657 | 416 | |
f3db3566 TT |
417 | #define EXT2_CHECK_MAGIC(struct, code) \ |
418 | if ((struct)->magic != (code)) return (code) | |
1e3472c5 TT |
419 | |
420 | ||
421 | /* | |
e5b38a5f | 422 | * For ext2 compression support |
1e3472c5 | 423 | */ |
5a63dd28 TT |
424 | #define EXT2FS_COMPRESSED_BLKADDR ((blk_t) 0xffffffff) |
425 | #define HOLE_BLKADDR(_b) ((_b) == 0 || (_b) == EXT2FS_COMPRESSED_BLKADDR) | |
426 | ||
521e3685 | 427 | /* |
426d734f | 428 | * Features supported by this version of the library |
521e3685 | 429 | */ |
3a5f8eaa TT |
430 | #define EXT2_LIB_FEATURE_COMPAT_SUPP (EXT2_FEATURE_COMPAT_DIR_PREALLOC|\ |
431 | EXT2_FEATURE_COMPAT_IMAGIC_INODES|\ | |
342d847d | 432 | EXT3_FEATURE_COMPAT_HAS_JOURNAL|\ |
d323f8fb | 433 | EXT2_FEATURE_COMPAT_RESIZE_INODE|\ |
52783e0c | 434 | EXT2_FEATURE_COMPAT_DIR_INDEX|\ |
342d847d | 435 | EXT2_FEATURE_COMPAT_EXT_ATTR) |
2fe1efe2 | 436 | |
5a63dd28 TT |
437 | /* This #ifdef is temporary until compression is fully supported */ |
438 | #ifdef ENABLE_COMPRESSION | |
e589f678 TT |
439 | #ifndef I_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL |
440 | /* If the below warning bugs you, then have | |
441 | `CPPFLAGS=-DI_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL' in your | |
442 | environment at configure time. */ | |
cdaf1fa7 | 443 | #warning "Compression support is experimental" |
e589f678 | 444 | #endif |
5a63dd28 | 445 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ |
ab146766 | 446 | EXT2_FEATURE_INCOMPAT_COMPRESSION|\ |
a112847b | 447 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ |
c046ac7f | 448 | EXT2_FEATURE_INCOMPAT_META_BG|\ |
ab146766 | 449 | EXT3_FEATURE_INCOMPAT_RECOVER) |
5a63dd28 | 450 | #else |
ab146766 | 451 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ |
a112847b | 452 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ |
c046ac7f | 453 | EXT2_FEATURE_INCOMPAT_META_BG|\ |
ab146766 | 454 | EXT3_FEATURE_INCOMPAT_RECOVER) |
5a63dd28 | 455 | #endif |
674a4ee1 TT |
456 | #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\ |
457 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE) | |
3839e657 TT |
458 | /* |
459 | * function prototypes | |
460 | */ | |
461 | ||
462 | /* alloc.c */ | |
31dbecd4 TT |
463 | extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode, |
464 | ext2fs_inode_bitmap map, ext2_ino_t *ret); | |
3839e657 | 465 | extern errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal, |
f3db3566 | 466 | ext2fs_block_bitmap map, blk_t *ret); |
3839e657 | 467 | extern errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, |
f3db3566 TT |
468 | blk_t finish, int num, |
469 | ext2fs_block_bitmap map, | |
3839e657 | 470 | blk_t *ret); |
30fab293 TT |
471 | extern errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal, |
472 | char *block_buf, blk_t *ret); | |
3839e657 | 473 | |
ef344e13 TT |
474 | /* alloc_sb.c */ |
475 | extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs, | |
476 | dgrp_t group, | |
477 | ext2fs_block_bitmap bmap); | |
478 | ||
8bd0c959 TT |
479 | /* alloc_stats.c */ |
480 | void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse); | |
7f961d42 TT |
481 | void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, |
482 | int inuse, int isdir); | |
8bd0c959 TT |
483 | void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse); |
484 | ||
1e1da29f TT |
485 | /* alloc_tables.c */ |
486 | extern errcode_t ext2fs_allocate_tables(ext2_filsys fs); | |
2eb374c9 | 487 | extern errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, |
1e1da29f | 488 | ext2fs_block_bitmap bmap); |
19c78dc0 | 489 | |
3839e657 | 490 | /* badblocks.c */ |
b7a00563 TT |
491 | extern errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size); |
492 | extern errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk); | |
54434927 | 493 | extern int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk); |
b7a00563 TT |
494 | extern int ext2fs_u32_list_test(ext2_u32_list bb, blk_t blk); |
495 | extern errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, | |
496 | ext2_u32_iterate *ret); | |
497 | extern int ext2fs_u32_list_iterate(ext2_u32_iterate iter, blk_t *blk); | |
498 | extern void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter); | |
499 | extern errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest); | |
500 | extern int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2); | |
501 | ||
19c78dc0 TT |
502 | extern errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, |
503 | int size); | |
19c78dc0 TT |
504 | extern errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, |
505 | blk_t blk); | |
506 | extern int ext2fs_badblocks_list_test(ext2_badblocks_list bb, | |
507 | blk_t blk); | |
7d7bdd57 TT |
508 | extern int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk); |
509 | extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk); | |
19c78dc0 TT |
510 | extern errcode_t |
511 | ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, | |
512 | ext2_badblocks_iterate *ret); | |
513 | extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, | |
514 | blk_t *blk); | |
515 | extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter); | |
a29f4d30 TT |
516 | extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, |
517 | ext2_badblocks_list *dest); | |
57dca854 TT |
518 | extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1, |
519 | ext2_badblocks_list bb2); | |
220c0040 | 520 | extern int ext2fs_u32_list_count(ext2_u32_list bb); |
19c78dc0 TT |
521 | |
522 | /* bb_compat */ | |
3839e657 | 523 | extern errcode_t badblocks_list_create(badblocks_list *ret, int size); |
3839e657 TT |
524 | extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk); |
525 | extern int badblocks_list_test(badblocks_list bb, blk_t blk); | |
526 | extern errcode_t badblocks_list_iterate_begin(badblocks_list bb, | |
527 | badblocks_iterate *ret); | |
528 | extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk); | |
529 | extern void badblocks_list_iterate_end(badblocks_iterate iter); | |
a29f4d30 | 530 | extern void badblocks_list_free(badblocks_list bb); |
3839e657 TT |
531 | |
532 | /* bb_inode.c */ | |
533 | extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs, | |
19c78dc0 | 534 | ext2_badblocks_list bb_list); |
3839e657 TT |
535 | |
536 | /* bitmaps.c */ | |
537 | extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs); | |
538 | extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs); | |
539 | extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs); | |
540 | extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs); | |
1e3472c5 TT |
541 | extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start, |
542 | __u32 end, | |
543 | __u32 real_end, | |
544 | const char *descr, | |
545 | ext2fs_generic_bitmap *ret); | |
50e1e10f TT |
546 | extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, |
547 | const char *descr, | |
548 | ext2fs_block_bitmap *ret); | |
549 | extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, | |
550 | const char *descr, | |
551 | ext2fs_inode_bitmap *ret); | |
552 | extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, | |
31dbecd4 | 553 | ext2_ino_t end, ext2_ino_t *oend); |
50e1e10f TT |
554 | extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, |
555 | blk_t end, blk_t *oend); | |
556 | extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap); | |
557 | extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap); | |
3839e657 TT |
558 | extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs); |
559 | extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs); | |
560 | ||
561 | /* block.c */ | |
562 | extern errcode_t ext2fs_block_iterate(ext2_filsys fs, | |
31dbecd4 | 563 | ext2_ino_t ino, |
3839e657 TT |
564 | int flags, |
565 | char *block_buf, | |
566 | int (*func)(ext2_filsys fs, | |
567 | blk_t *blocknr, | |
568 | int blockcnt, | |
b5abe6fa TT |
569 | void *priv_data), |
570 | void *priv_data); | |
19c78dc0 | 571 | errcode_t ext2fs_block_iterate2(ext2_filsys fs, |
31dbecd4 | 572 | ext2_ino_t ino, |
674a4ee1 TT |
573 | int flags, |
574 | char *block_buf, | |
575 | int (*func)(ext2_filsys fs, | |
576 | blk_t *blocknr, | |
03673dbb | 577 | e2_blkcnt_t blockcnt, |
674a4ee1 TT |
578 | blk_t ref_blk, |
579 | int ref_offset, | |
580 | void *priv_data), | |
581 | void *priv_data); | |
19c78dc0 | 582 | |
30fab293 | 583 | /* bmap.c */ |
31dbecd4 | 584 | extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, |
30fab293 TT |
585 | struct ext2_inode *inode, |
586 | char *block_buf, int bmap_flags, | |
587 | blk_t block, blk_t *phys_blk); | |
588 | ||
589 | ||
4a31c48b | 590 | #if 0 |
1e1da29f TT |
591 | /* bmove.c */ |
592 | extern errcode_t ext2fs_move_blocks(ext2_filsys fs, | |
593 | ext2fs_block_bitmap reserve, | |
9941fb73 | 594 | ext2fs_block_bitmap alloc_map, |
1e1da29f | 595 | int flags); |
4a31c48b | 596 | #endif |
1e1da29f | 597 | |
f3db3566 TT |
598 | /* check_desc.c */ |
599 | extern errcode_t ext2fs_check_desc(ext2_filsys fs); | |
600 | ||
3839e657 TT |
601 | /* closefs.c */ |
602 | extern errcode_t ext2fs_close(ext2_filsys fs); | |
603 | extern errcode_t ext2fs_flush(ext2_filsys fs); | |
1b4cd9c7 | 604 | extern int ext2fs_bg_has_super(ext2_filsys fs, int group_block); |
ef344e13 TT |
605 | extern int ext2fs_super_and_bgd_loc(ext2_filsys fs, |
606 | dgrp_t group, | |
607 | blk_t *ret_super_blk, | |
608 | blk_t *ret_old_desc_blk, | |
609 | blk_t *ret_new_desc_blk, | |
610 | int *ret_meta_bg); | |
1b4cd9c7 | 611 | extern void ext2fs_update_dynamic_rev(ext2_filsys fs); |
3839e657 | 612 | |
50e1e10f TT |
613 | /* cmp_bitmaps.c */ |
614 | extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, | |
615 | ext2fs_block_bitmap bm2); | |
616 | extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, | |
617 | ext2fs_inode_bitmap bm2); | |
618 | ||
19c78dc0 TT |
619 | /* dblist.c */ |
620 | ||
31dbecd4 | 621 | extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs); |
a29f4d30 | 622 | extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist); |
31dbecd4 | 623 | extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 624 | blk_t blk, int blockcnt); |
ea1959f0 TT |
625 | extern void ext2fs_dblist_sort(ext2_dblist dblist, |
626 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
627 | const void *)); | |
a29f4d30 TT |
628 | extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist, |
629 | int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info, | |
b5abe6fa TT |
630 | void *priv_data), |
631 | void *priv_data); | |
31dbecd4 | 632 | extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 TT |
633 | blk_t blk, int blockcnt); |
634 | extern errcode_t ext2fs_copy_dblist(ext2_dblist src, | |
635 | ext2_dblist *dest); | |
549860c5 | 636 | extern int ext2fs_dblist_count(ext2_dblist dblist); |
19c78dc0 TT |
637 | |
638 | /* dblist_dir.c */ | |
639 | extern errcode_t | |
640 | ext2fs_dblist_dir_iterate(ext2_dblist dblist, | |
641 | int flags, | |
642 | char *block_buf, | |
31dbecd4 | 643 | int (*func)(ext2_ino_t dir, |
19c78dc0 TT |
644 | int entry, |
645 | struct ext2_dir_entry *dirent, | |
646 | int offset, | |
647 | int blocksize, | |
648 | char *buf, | |
b5abe6fa TT |
649 | void *priv_data), |
650 | void *priv_data); | |
50e1e10f TT |
651 | |
652 | /* dirblock.c */ | |
653 | extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block, | |
654 | void *buf); | |
f9190c8a TT |
655 | extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block, |
656 | void *buf, int flags); | |
50e1e10f TT |
657 | extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block, |
658 | void *buf); | |
f9190c8a TT |
659 | extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block, |
660 | void *buf, int flags); | |
50e1e10f | 661 | |
52783e0c TT |
662 | /* dirhash.c */ |
663 | extern errcode_t ext2fs_dirhash(int version, const char *name, int len, | |
b33278c4 | 664 | const __u32 *seed, |
503f9e7f TT |
665 | ext2_dirhash_t *ret_hash, |
666 | ext2_dirhash_t *ret_minor_hash); | |
52783e0c TT |
667 | |
668 | ||
19c78dc0 TT |
669 | /* dir_iterate.c */ |
670 | extern errcode_t ext2fs_dir_iterate(ext2_filsys fs, | |
31dbecd4 | 671 | ext2_ino_t dir, |
19c78dc0 TT |
672 | int flags, |
673 | char *block_buf, | |
674 | int (*func)(struct ext2_dir_entry *dirent, | |
675 | int offset, | |
676 | int blocksize, | |
677 | char *buf, | |
b5abe6fa TT |
678 | void *priv_data), |
679 | void *priv_data); | |
8bd0c959 TT |
680 | extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs, |
681 | ext2_ino_t dir, | |
682 | int flags, | |
683 | char *block_buf, | |
684 | int (*func)(ext2_ino_t dir, | |
685 | int entry, | |
686 | struct ext2_dir_entry *dirent, | |
687 | int offset, | |
688 | int blocksize, | |
689 | char *buf, | |
690 | void *priv_data), | |
691 | void *priv_data); | |
19c78dc0 | 692 | |
a29f4d30 TT |
693 | /* dupfs.c */ |
694 | extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest); | |
19c78dc0 | 695 | |
3839e657 | 696 | /* expanddir.c */ |
31dbecd4 | 697 | extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir); |
3839e657 | 698 | |
342d847d TT |
699 | /* ext_attr.c */ |
700 | void ext2fs_swap_ext_attr(ext2_filsys fs, char *to, char *from); | |
701 | extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf); | |
0684a4f3 TT |
702 | extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, |
703 | void *buf); | |
704 | extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk, | |
705 | char *block_buf, | |
706 | int adjust, __u32 *newcount); | |
707 | ||
30fab293 | 708 | /* fileio.c */ |
a435ec34 TT |
709 | extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino, |
710 | struct ext2_inode *inode, | |
711 | int flags, ext2_file_t *ret); | |
31dbecd4 | 712 | extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino, |
30fab293 | 713 | int flags, ext2_file_t *ret); |
79a90bda | 714 | extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file); |
30fab293 | 715 | extern errcode_t ext2fs_file_close(ext2_file_t file); |
f12e285f | 716 | extern errcode_t ext2fs_file_flush(ext2_file_t file); |
30fab293 | 717 | extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf, |
79a90bda | 718 | unsigned int wanted, unsigned int *got); |
f12e285f | 719 | extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf, |
79a90bda | 720 | unsigned int nbytes, unsigned int *written); |
819157db TT |
721 | extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset, |
722 | int whence, __u64 *ret_pos); | |
674a4ee1 TT |
723 | extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset, |
724 | int whence, ext2_off_t *ret_pos); | |
819157db | 725 | errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size); |
79a90bda TT |
726 | extern ext2_off_t ext2fs_file_get_size(ext2_file_t file); |
727 | extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size); | |
30fab293 | 728 | |
de23aa1d TT |
729 | /* finddev.c */ |
730 | extern char *ext2fs_find_block_device(dev_t device); | |
731 | ||
4d0f3e17 TT |
732 | /* flushb.c */ |
733 | extern errcode_t ext2fs_sync_device(int fd, int flushb); | |
734 | ||
3839e657 TT |
735 | /* freefs.c */ |
736 | extern void ext2fs_free(ext2_filsys fs); | |
1e3472c5 | 737 | extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap); |
50e1e10f TT |
738 | extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap); |
739 | extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap); | |
a29f4d30 | 740 | extern void ext2fs_free_dblist(ext2_dblist dblist); |
b7a00563 TT |
741 | extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb); |
742 | extern void ext2fs_u32_list_free(ext2_u32_list bb); | |
50e1e10f TT |
743 | |
744 | /* getsize.c */ | |
745 | extern errcode_t ext2fs_get_device_size(const char *file, int blocksize, | |
746 | blk_t *retblocks); | |
3839e657 | 747 | |
93d5c387 TT |
748 | /* getsectsize.c */ |
749 | errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize); | |
750 | ||
72ed1264 TT |
751 | /* imager.c */ |
752 | extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags); | |
753 | extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags); | |
754 | extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags); | |
755 | extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags); | |
756 | extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags); | |
757 | extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags); | |
758 | ||
3839e657 TT |
759 | /* initialize.c */ |
760 | extern errcode_t ext2fs_initialize(const char *name, int flags, | |
761 | struct ext2_super_block *param, | |
762 | io_manager manager, ext2_filsys *ret_fs); | |
763 | ||
f12e285f TT |
764 | /* icount.c */ |
765 | extern void ext2fs_free_icount(ext2_icount_t icount); | |
54434927 TT |
766 | extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags, |
767 | unsigned int size, | |
f12e285f | 768 | ext2_icount_t hint, ext2_icount_t *ret); |
54434927 TT |
769 | extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags, |
770 | unsigned int size, | |
f12e285f TT |
771 | ext2_icount_t *ret); |
772 | extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino, | |
773 | __u16 *ret); | |
774 | extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino, | |
775 | __u16 *ret); | |
776 | extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino, | |
777 | __u16 *ret); | |
778 | extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino, | |
779 | __u16 count); | |
780 | extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount); | |
781 | errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *); | |
782 | ||
3839e657 | 783 | /* inode.c */ |
72ed1264 | 784 | extern errcode_t ext2fs_flush_icache(ext2_filsys fs); |
3839e657 TT |
785 | extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, |
786 | ext2_inode_scan *ret_scan); | |
787 | extern void ext2fs_close_inode_scan(ext2_inode_scan scan); | |
31dbecd4 | 788 | extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, |
3839e657 | 789 | struct ext2_inode *inode); |
19c78dc0 TT |
790 | extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, |
791 | int group); | |
792 | extern void ext2fs_set_inode_callback | |
793 | (ext2_inode_scan scan, | |
794 | errcode_t (*done_group)(ext2_filsys fs, | |
795 | ext2_inode_scan scan, | |
796 | dgrp_t group, | |
b5abe6fa | 797 | void * priv_data), |
19c78dc0 TT |
798 | void *done_group_data); |
799 | extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, | |
800 | int clear_flags); | |
31dbecd4 | 801 | extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 802 | struct ext2_inode * inode); |
31dbecd4 | 803 | extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 804 | struct ext2_inode * inode); |
31dbecd4 TT |
805 | extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
806 | extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 807 | |
f12e285f TT |
808 | /* inode_io.c */ |
809 | extern io_manager inode_io_manager; | |
546a1ff1 TT |
810 | extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino, |
811 | char **name); | |
a435ec34 TT |
812 | extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino, |
813 | struct ext2_inode *inode, | |
814 | char **name); | |
f12e285f | 815 | |
50e1e10f TT |
816 | /* ismounted.c */ |
817 | extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags); | |
43ec8734 TT |
818 | extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags, |
819 | char *mtpt, int mtlen); | |
50e1e10f | 820 | |
3839e657 | 821 | /* namei.c */ |
31dbecd4 TT |
822 | extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name, |
823 | int namelen, char *buf, ext2_ino_t *inode); | |
824 | extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
825 | const char *name, ext2_ino_t *inode); | |
826 | errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
827 | const char *name, ext2_ino_t *inode); | |
828 | extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
829 | ext2_ino_t inode, ext2_ino_t *res_inode); | |
1e3472c5 TT |
830 | |
831 | /* native.c */ | |
832 | int ext2fs_native_flag(void); | |
3839e657 TT |
833 | |
834 | /* newdir.c */ | |
31dbecd4 TT |
835 | extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino, |
836 | ext2_ino_t parent_ino, char **block); | |
3839e657 TT |
837 | |
838 | /* mkdir.c */ | |
31dbecd4 | 839 | extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, |
3839e657 TT |
840 | const char *name); |
841 | ||
d3cd93ca | 842 | /* mkjournal.c */ |
a112847b TT |
843 | extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs, |
844 | __u32 size, int flags, | |
845 | char **ret_jsb); | |
846 | extern errcode_t ext2fs_add_journal_device(ext2_filsys fs, | |
847 | ext2_filsys journal_dev); | |
31a17b36 TT |
848 | extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t size, |
849 | int flags); | |
d3cd93ca | 850 | |
3839e657 TT |
851 | /* openfs.c */ |
852 | extern errcode_t ext2fs_open(const char *name, int flags, int superblock, | |
54434927 | 853 | unsigned int block_size, io_manager manager, |
3839e657 | 854 | ext2_filsys *ret_fs); |
2e8ca9a2 TT |
855 | extern errcode_t ext2fs_open2(const char *name, const char *io_options, |
856 | int flags, int superblock, | |
857 | unsigned int block_size, io_manager manager, | |
858 | ext2_filsys *ret_fs); | |
c046ac7f TT |
859 | extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, |
860 | dgrp_t i); | |
1ad54a94 TT |
861 | errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io); |
862 | errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io); | |
863 | errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io); | |
3839e657 TT |
864 | |
865 | /* get_pathname.c */ | |
31dbecd4 | 866 | extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, |
3839e657 TT |
867 | char **name); |
868 | ||
869 | /* link.c */ | |
31dbecd4 TT |
870 | errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name, |
871 | ext2_ino_t ino, int flags); | |
872 | errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name, | |
873 | ext2_ino_t ino, int flags); | |
3839e657 TT |
874 | |
875 | /* read_bb.c */ | |
19c78dc0 TT |
876 | extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs, |
877 | ext2_badblocks_list *bb_list); | |
3839e657 TT |
878 | |
879 | /* read_bb_file.c */ | |
57dca854 TT |
880 | extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, |
881 | ext2_badblocks_list *bb_list, | |
50cd7e06 | 882 | void *priv_data, |
57dca854 TT |
883 | void (*invalid)(ext2_filsys fs, |
884 | blk_t blk, | |
885 | char *badstr, | |
50cd7e06 | 886 | void *priv_data)); |
3839e657 | 887 | extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, |
19c78dc0 | 888 | ext2_badblocks_list *bb_list, |
3839e657 TT |
889 | void (*invalid)(ext2_filsys fs, |
890 | blk_t blk)); | |
891 | ||
d323f8fb TT |
892 | /* res_gdt.c */ |
893 | extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs); | |
894 | ||
19c78dc0 TT |
895 | /* rs_bitmap.c */ |
896 | extern errcode_t ext2fs_resize_generic_bitmap(__u32 new_end, | |
897 | __u32 new_real_end, | |
898 | ext2fs_generic_bitmap bmap); | |
899 | extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, | |
900 | ext2fs_inode_bitmap bmap); | |
901 | extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, | |
902 | ext2fs_block_bitmap bmap); | |
a29f4d30 TT |
903 | extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, |
904 | ext2fs_generic_bitmap *dest); | |
19c78dc0 | 905 | |
50e1e10f TT |
906 | /* swapfs.c */ |
907 | extern void ext2fs_swap_super(struct ext2_super_block * super); | |
908 | extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp); | |
1e3472c5 TT |
909 | extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t, |
910 | struct ext2_inode *f, int hostorder); | |
911 | ||
19c78dc0 | 912 | /* valid_blk.c */ |
521e3685 TT |
913 | extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode); |
914 | ||
915 | /* version.c */ | |
916 | extern int ext2fs_parse_version_string(const char *ver_string); | |
917 | extern int ext2fs_get_library_version(const char **ver_string, | |
918 | const char **date_string); | |
50e1e10f | 919 | |
31dbecd4 TT |
920 | /* write_bb_file.c */ |
921 | extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list, | |
922 | unsigned int flags, | |
923 | FILE *f); | |
924 | ||
925 | ||
3839e657 | 926 | /* inline functions */ |
c4e3d3f3 TT |
927 | extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr); |
928 | extern errcode_t ext2fs_free_mem(void *ptr); | |
76f875da | 929 | extern errcode_t ext2fs_resize_mem(unsigned long old_size, |
c4e3d3f3 | 930 | unsigned long size, void *ptr); |
3839e657 TT |
931 | extern void ext2fs_mark_super_dirty(ext2_filsys fs); |
932 | extern void ext2fs_mark_changed(ext2_filsys fs); | |
933 | extern int ext2fs_test_changed(ext2_filsys fs); | |
934 | extern void ext2fs_mark_valid(ext2_filsys fs); | |
935 | extern void ext2fs_unmark_valid(ext2_filsys fs); | |
936 | extern int ext2fs_test_valid(ext2_filsys fs); | |
937 | extern void ext2fs_mark_ib_dirty(ext2_filsys fs); | |
938 | extern void ext2fs_mark_bb_dirty(ext2_filsys fs); | |
939 | extern int ext2fs_test_ib_dirty(ext2_filsys fs); | |
940 | extern int ext2fs_test_bb_dirty(ext2_filsys fs); | |
941 | extern int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk); | |
31dbecd4 | 942 | extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino); |
0684a4f3 TT |
943 | extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
944 | struct ext2_inode *inode); | |
3839e657 TT |
945 | |
946 | /* | |
947 | * The actual inlined functions definitions themselves... | |
948 | * | |
949 | * If NO_INLINE_FUNCS is defined, then we won't try to do inline | |
950 | * functions at all! | |
951 | */ | |
952 | #if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS)) | |
953 | #ifdef INCLUDE_INLINE_FUNCS | |
954 | #define _INLINE_ extern | |
955 | #else | |
76f875da | 956 | #ifdef __GNUC__ |
3839e657 | 957 | #define _INLINE_ extern __inline__ |
76f875da TT |
958 | #else /* For Watcom C */ |
959 | #define _INLINE_ extern inline | |
960 | #endif | |
3839e657 TT |
961 | #endif |
962 | ||
7b4e4534 TT |
963 | #ifndef EXT2_CUSTOM_MEMORY_ROUTINES |
964 | /* | |
965 | * Allocate memory | |
966 | */ | |
c4e3d3f3 | 967 | _INLINE_ errcode_t ext2fs_get_mem(unsigned long size, void *ptr) |
7b4e4534 | 968 | { |
c4e3d3f3 TT |
969 | void **pp = (void **)ptr; |
970 | ||
971 | *pp = malloc(size); | |
972 | if (!*pp) | |
291c9049 | 973 | return EXT2_ET_NO_MEMORY; |
7b4e4534 TT |
974 | return 0; |
975 | } | |
976 | ||
977 | /* | |
978 | * Free memory | |
979 | */ | |
c4e3d3f3 | 980 | _INLINE_ errcode_t ext2fs_free_mem(void *ptr) |
7b4e4534 | 981 | { |
c4e3d3f3 TT |
982 | void **pp = (void **)ptr; |
983 | ||
984 | free(*pp); | |
985 | *pp = 0; | |
7b4e4534 TT |
986 | return 0; |
987 | } | |
988 | ||
989 | /* | |
990 | * Resize memory | |
991 | */ | |
e47fd841 | 992 | _INLINE_ errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size, |
c4e3d3f3 | 993 | unsigned long size, void *ptr) |
7b4e4534 TT |
994 | { |
995 | void *p; | |
c4e3d3f3 | 996 | void **pp = (void **)ptr; |
7b4e4534 | 997 | |
c4e3d3f3 | 998 | p = realloc(*pp, size); |
7b4e4534 | 999 | if (!p) |
291c9049 | 1000 | return EXT2_ET_NO_MEMORY; |
c4e3d3f3 | 1001 | *pp = p; |
7b4e4534 TT |
1002 | return 0; |
1003 | } | |
1004 | #endif /* Custom memory routines */ | |
1005 | ||
3839e657 TT |
1006 | /* |
1007 | * Mark a filesystem superblock as dirty | |
1008 | */ | |
1009 | _INLINE_ void ext2fs_mark_super_dirty(ext2_filsys fs) | |
1010 | { | |
1011 | fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_CHANGED; | |
1012 | } | |
1013 | ||
1014 | /* | |
1015 | * Mark a filesystem as changed | |
1016 | */ | |
1017 | _INLINE_ void ext2fs_mark_changed(ext2_filsys fs) | |
1018 | { | |
1019 | fs->flags |= EXT2_FLAG_CHANGED; | |
1020 | } | |
1021 | ||
1022 | /* | |
1023 | * Check to see if a filesystem has changed | |
1024 | */ | |
1025 | _INLINE_ int ext2fs_test_changed(ext2_filsys fs) | |
1026 | { | |
1027 | return (fs->flags & EXT2_FLAG_CHANGED); | |
1028 | } | |
1029 | ||
1030 | /* | |
1031 | * Mark a filesystem as valid | |
1032 | */ | |
1033 | _INLINE_ void ext2fs_mark_valid(ext2_filsys fs) | |
1034 | { | |
1035 | fs->flags |= EXT2_FLAG_VALID; | |
1036 | } | |
1037 | ||
1038 | /* | |
1039 | * Mark a filesystem as NOT valid | |
1040 | */ | |
1041 | _INLINE_ void ext2fs_unmark_valid(ext2_filsys fs) | |
1042 | { | |
1043 | fs->flags &= ~EXT2_FLAG_VALID; | |
1044 | } | |
1045 | ||
1046 | /* | |
1047 | * Check to see if a filesystem is valid | |
1048 | */ | |
1049 | _INLINE_ int ext2fs_test_valid(ext2_filsys fs) | |
1050 | { | |
1051 | return (fs->flags & EXT2_FLAG_VALID); | |
1052 | } | |
1053 | ||
1054 | /* | |
1055 | * Mark the inode bitmap as dirty | |
1056 | */ | |
1057 | _INLINE_ void ext2fs_mark_ib_dirty(ext2_filsys fs) | |
1058 | { | |
1059 | fs->flags |= EXT2_FLAG_IB_DIRTY | EXT2_FLAG_CHANGED; | |
1060 | } | |
1061 | ||
1062 | /* | |
1063 | * Mark the block bitmap as dirty | |
1064 | */ | |
1065 | _INLINE_ void ext2fs_mark_bb_dirty(ext2_filsys fs) | |
1066 | { | |
1067 | fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_CHANGED; | |
1068 | } | |
1069 | ||
1070 | /* | |
1071 | * Check to see if a filesystem's inode bitmap is dirty | |
1072 | */ | |
1073 | _INLINE_ int ext2fs_test_ib_dirty(ext2_filsys fs) | |
1074 | { | |
1075 | return (fs->flags & EXT2_FLAG_IB_DIRTY); | |
1076 | } | |
1077 | ||
1078 | /* | |
1079 | * Check to see if a filesystem's block bitmap is dirty | |
1080 | */ | |
1081 | _INLINE_ int ext2fs_test_bb_dirty(ext2_filsys fs) | |
1082 | { | |
1083 | return (fs->flags & EXT2_FLAG_BB_DIRTY); | |
1084 | } | |
1085 | ||
1086 | /* | |
1087 | * Return the group # of a block | |
1088 | */ | |
1089 | _INLINE_ int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk) | |
1090 | { | |
1091 | return (blk - fs->super->s_first_data_block) / | |
1092 | fs->super->s_blocks_per_group; | |
1093 | } | |
1094 | ||
1095 | /* | |
1096 | * Return the group # of an inode number | |
1097 | */ | |
31dbecd4 | 1098 | _INLINE_ int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino) |
3839e657 TT |
1099 | { |
1100 | return (ino - 1) / fs->super->s_inodes_per_group; | |
1101 | } | |
0684a4f3 TT |
1102 | |
1103 | _INLINE_ blk_t ext2fs_inode_data_blocks(ext2_filsys fs, | |
1104 | struct ext2_inode *inode) | |
1105 | { | |
1106 | return inode->i_blocks - | |
1107 | (inode->i_file_acl ? fs->blocksize >> 9 : 0); | |
1108 | } | |
3839e657 TT |
1109 | #undef _INLINE_ |
1110 | #endif | |
1111 | ||
fa7ef717 TT |
1112 | #ifdef __cplusplus |
1113 | } | |
1114 | #endif | |
1115 | ||
9abd2ce9 | 1116 | #endif /* _EXT2FS_EXT2FS_H */ |