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Commit | Line | Data |
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3839e657 TT |
1 | /* |
2 | * ext2fs.h --- ext2fs | |
efc6f628 | 3 | * |
19c78dc0 TT |
4 | * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. |
5 | * | |
6 | * %Begin-Header% | |
543547a5 TT |
7 | * This file may be redistributed under the terms of the GNU Library |
8 | * General Public License, version 2. | |
19c78dc0 | 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 | ||
3839e657 TT |
32 | /* |
33 | * Where the master copy of the superblock is located, and how big | |
34 | * superblocks are supposed to be. We define SUPERBLOCK_SIZE because | |
35 | * the size of the superblock structure is not necessarily trustworthy | |
36 | * (some versions have the padding set up so that the superblock is | |
37 | * 1032 bytes long). | |
38 | */ | |
39 | #define SUPERBLOCK_OFFSET 1024 | |
1ac2aa23 | 40 | #define SUPERBLOCK_SIZE 1024 |
3839e657 | 41 | |
f3db3566 TT |
42 | /* |
43 | * The last ext2fs revision level that this version of the library is | |
44 | * able to support. | |
45 | */ | |
e5b38a5f | 46 | #define EXT2_LIB_CURRENT_REV EXT2_DYNAMIC_REV |
f3db3566 | 47 | |
d40259fd | 48 | #ifdef HAVE_SYS_TYPES_H |
1e3472c5 | 49 | #include <sys/types.h> |
d40259fd TT |
50 | #endif |
51 | ||
3e699064 | 52 | #include <stdio.h> |
5be8dc21 | 53 | #include <stdlib.h> |
a82a5702 | 54 | #include <string.h> |
023a1df0 | 55 | #include <errno.h> |
1ac2aa23 | 56 | |
5953b9de TT |
57 | #if EXT2_FLAT_INCLUDES |
58 | #include "e2_types.h" | |
3e699064 | 59 | #include "ext2_fs.h" |
89dd6570 | 60 | #include "ext3_extents.h" |
5953b9de | 61 | #else |
797f5ef1 | 62 | #include <ext2fs/ext2_types.h> |
3e699064 | 63 | #include <ext2fs/ext2_fs.h> |
89dd6570 | 64 | #include <ext2fs/ext3_extents.h> |
e589f678 | 65 | #endif /* EXT2_FLAT_INCLUDES */ |
50e1e10f | 66 | |
832cb612 DW |
67 | #ifdef __CHECK_ENDIAN__ |
68 | #define __bitwise __attribute__((bitwise)) | |
69 | #else | |
70 | #define __bitwise | |
71 | #endif | |
72 | ||
73 | typedef __u32 __bitwise ext2_ino_t; | |
74 | typedef __u32 __bitwise blk_t; | |
75 | typedef __u64 __bitwise blk64_t; | |
76 | typedef __u32 __bitwise dgrp_t; | |
77 | typedef __u32 __bitwise ext2_off_t; | |
78 | typedef __u64 __bitwise ext2_off64_t; | |
79 | typedef __s64 __bitwise e2_blkcnt_t; | |
80 | typedef __u32 __bitwise ext2_dirhash_t; | |
3839e657 | 81 | |
b5abe6fa TT |
82 | #if EXT2_FLAT_INCLUDES |
83 | #include "com_err.h" | |
84 | #include "ext2_io.h" | |
85 | #include "ext2_err.h" | |
fefaef39 | 86 | #include "ext2_ext_attr.h" |
b5abe6fa | 87 | #else |
7c2d2569 TT |
88 | #include <et/com_err.h> |
89 | #include <ext2fs/ext2_io.h> | |
90 | #include <ext2fs/ext2_err.h> | |
fefaef39 | 91 | #include <ext2fs/ext2_ext_attr.h> |
b5abe6fa | 92 | #endif |
3839e657 | 93 | |
4c77fe50 TT |
94 | /* |
95 | * Portability help for Microsoft Visual C++ | |
96 | */ | |
97 | #ifdef _MSC_VER | |
98 | #define EXT2_QSORT_TYPE int __cdecl | |
99 | #else | |
100 | #define EXT2_QSORT_TYPE int | |
101 | #endif | |
102 | ||
f3db3566 TT |
103 | typedef struct struct_ext2_filsys *ext2_filsys; |
104 | ||
1e3472c5 TT |
105 | #define EXT2FS_MARK_ERROR 0 |
106 | #define EXT2FS_UNMARK_ERROR 1 | |
107 | #define EXT2FS_TEST_ERROR 2 | |
f3db3566 | 108 | |
1e3472c5 | 109 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_generic_bitmap; |
1e3472c5 | 110 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_inode_bitmap; |
1e3472c5 | 111 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_block_bitmap; |
f3db3566 | 112 | |
7f88b043 | 113 | #define EXT2_FIRST_INODE(s) EXT2_FIRST_INO(s) |
067911ae | 114 | |
7f88b043 | 115 | |
19c78dc0 | 116 | /* |
067911ae | 117 | * Badblocks list definitions |
19c78dc0 TT |
118 | */ |
119 | ||
b7a00563 TT |
120 | typedef struct ext2_struct_u32_list *ext2_badblocks_list; |
121 | typedef struct ext2_struct_u32_iterate *ext2_badblocks_iterate; | |
122 | ||
123 | typedef struct ext2_struct_u32_list *ext2_u32_list; | |
124 | typedef struct ext2_struct_u32_iterate *ext2_u32_iterate; | |
19c78dc0 TT |
125 | |
126 | /* old */ | |
b7a00563 TT |
127 | typedef struct ext2_struct_u32_list *badblocks_list; |
128 | typedef struct ext2_struct_u32_iterate *badblocks_iterate; | |
19c78dc0 TT |
129 | |
130 | #define BADBLOCKS_FLAG_DIRTY 1 | |
131 | ||
132 | /* | |
133 | * ext2_dblist structure and abstractions (see dblist.c) | |
134 | */ | |
ab13b5a9 TT |
135 | struct ext2_db_entry2 { |
136 | ext2_ino_t ino; | |
137 | blk64_t blk; | |
138 | e2_blkcnt_t blockcnt; | |
139 | }; | |
140 | ||
141 | /* Ye Olde 32-bit version */ | |
19c78dc0 | 142 | struct ext2_db_entry { |
31dbecd4 | 143 | ext2_ino_t ino; |
19c78dc0 TT |
144 | blk_t blk; |
145 | int blockcnt; | |
146 | }; | |
147 | ||
148 | typedef struct ext2_struct_dblist *ext2_dblist; | |
149 | ||
150 | #define DBLIST_ABORT 1 | |
151 | ||
30fab293 TT |
152 | /* |
153 | * ext2_fileio definitions | |
154 | */ | |
155 | ||
156 | #define EXT2_FILE_WRITE 0x0001 | |
157 | #define EXT2_FILE_CREATE 0x0002 | |
158 | ||
159 | #define EXT2_FILE_MASK 0x00FF | |
160 | ||
161 | #define EXT2_FILE_BUF_DIRTY 0x4000 | |
162 | #define EXT2_FILE_BUF_VALID 0x2000 | |
163 | ||
164 | typedef struct ext2_file *ext2_file_t; | |
165 | ||
166 | #define EXT2_SEEK_SET 0 | |
167 | #define EXT2_SEEK_CUR 1 | |
168 | #define EXT2_SEEK_END 2 | |
169 | ||
3839e657 | 170 | /* |
a112847b | 171 | * Flags for the ext2_filsys structure and for ext2fs_open() |
3839e657 | 172 | */ |
19c78dc0 TT |
173 | #define EXT2_FLAG_RW 0x01 |
174 | #define EXT2_FLAG_CHANGED 0x02 | |
175 | #define EXT2_FLAG_DIRTY 0x04 | |
176 | #define EXT2_FLAG_VALID 0x08 | |
177 | #define EXT2_FLAG_IB_DIRTY 0x10 | |
178 | #define EXT2_FLAG_BB_DIRTY 0x20 | |
5c576477 TT |
179 | #define EXT2_FLAG_SWAP_BYTES 0x40 |
180 | #define EXT2_FLAG_SWAP_BYTES_READ 0x80 | |
181 | #define EXT2_FLAG_SWAP_BYTES_WRITE 0x100 | |
182 | #define EXT2_FLAG_MASTER_SB_ONLY 0x200 | |
19c78dc0 | 183 | #define EXT2_FLAG_FORCE 0x400 |
43ec8734 | 184 | #define EXT2_FLAG_SUPER_ONLY 0x800 |
a112847b | 185 | #define EXT2_FLAG_JOURNAL_DEV_OK 0x1000 |
a78926ef | 186 | #define EXT2_FLAG_IMAGE_FILE 0x2000 |
39c47ce6 | 187 | #define EXT2_FLAG_EXCLUSIVE 0x4000 |
cf8272e1 | 188 | #define EXT2_FLAG_SOFTSUPP_FEATURES 0x8000 |
ab52e12a | 189 | #define EXT2_FLAG_NOFREE_ON_ERROR 0x10000 |
69365c68 | 190 | #define EXT2_FLAG_64BITS 0x20000 |
95fd65bb | 191 | #define EXT2_FLAG_PRINT_PROGRESS 0x40000 |
73fbe232 | 192 | #define EXT2_FLAG_DIRECT_IO 0x80000 |
0f5eba75 | 193 | #define EXT2_FLAG_SKIP_MMP 0x100000 |
5d914d72 | 194 | #define EXT2_FLAG_IGNORE_CSUM_ERRORS 0x200000 |
3839e657 | 195 | |
7f88b043 TT |
196 | /* |
197 | * Special flag in the ext2 inode i_flag field that means that this is | |
198 | * a new inode. (So that ext2_write_inode() can clear extra fields.) | |
199 | */ | |
200 | #define EXT2_NEW_INODE_FL 0x80000000 | |
201 | ||
4e246704 TT |
202 | /* |
203 | * Flags for mkjournal | |
4e246704 | 204 | */ |
6c54689f AD |
205 | #define EXT2_MKJOURNAL_V1_SUPER 0x0000001 /* create V1 superblock (deprecated) */ |
206 | #define EXT2_MKJOURNAL_LAZYINIT 0x0000002 /* don't zero journal inode before use*/ | |
304e11c2 | 207 | #define EXT2_MKJOURNAL_NO_MNT_CHECK 0x0000004 /* don't check mount status */ |
4e246704 | 208 | |
efe0b401 ES |
209 | struct opaque_ext2_group_desc; |
210 | ||
3839e657 | 211 | struct struct_ext2_filsys { |
4cbe8af4 | 212 | errcode_t magic; |
3839e657 TT |
213 | io_channel io; |
214 | int flags; | |
215 | char * device_name; | |
216 | struct ext2_super_block * super; | |
54434927 | 217 | unsigned int blocksize; |
3fbfad55 | 218 | int fragsize; |
2eb374c9 | 219 | dgrp_t group_desc_count; |
3839e657 | 220 | unsigned long desc_blocks; |
efe0b401 | 221 | struct opaque_ext2_group_desc * group_desc; |
d32c915a | 222 | unsigned int inode_blocks_per_group; |
f3db3566 TT |
223 | ext2fs_inode_bitmap inode_map; |
224 | ext2fs_block_bitmap block_map; | |
6d8b37fa | 225 | /* XXX FIXME-64: not 64-bit safe, but not used? */ |
31dbecd4 TT |
226 | errcode_t (*get_blocks)(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
227 | errcode_t (*check_directory)(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 228 | errcode_t (*write_bitmaps)(ext2_filsys fs); |
31dbecd4 | 229 | errcode_t (*read_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 230 | struct ext2_inode *inode); |
31dbecd4 | 231 | errcode_t (*write_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 232 | struct ext2_inode *inode); |
b7a00563 | 233 | ext2_badblocks_list badblocks; |
19c78dc0 | 234 | ext2_dblist dblist; |
a29f4d30 | 235 | __u32 stride; /* for mke2fs */ |
c180ac86 | 236 | struct ext2_super_block * orig_super; |
a78926ef | 237 | struct ext2_image_hdr * image_header; |
6a525069 | 238 | __u32 umask; |
9b9a780f | 239 | time_t now; |
3fbfad55 | 240 | int cluster_ratio_bits; |
67861e5b TT |
241 | __u16 default_bitmap_type; |
242 | __u16 pad; | |
19c78dc0 TT |
243 | /* |
244 | * Reserved for future expansion | |
245 | */ | |
67861e5b | 246 | __u32 reserved[5]; |
3839e657 TT |
247 | |
248 | /* | |
a29f4d30 | 249 | * Reserved for the use of the calling application. |
3839e657 | 250 | */ |
b5abe6fa | 251 | void * priv_data; |
a29f4d30 TT |
252 | |
253 | /* | |
254 | * Inode cache | |
255 | */ | |
256 | struct ext2_inode_cache *icache; | |
1ad54a94 | 257 | io_channel image_io; |
f5c562e2 | 258 | |
5fff8636 TT |
259 | /* |
260 | * More callback functions | |
261 | */ | |
262 | errcode_t (*get_alloc_block)(ext2_filsys fs, blk64_t goal, | |
263 | blk64_t *ret); | |
264 | void (*block_alloc_stats)(ext2_filsys fs, blk64_t blk, int inuse); | |
265 | ||
0f5eba75 AD |
266 | /* |
267 | * Buffers for Multiple mount protection(MMP) block. | |
268 | */ | |
269 | void *mmp_buf; | |
270 | void *mmp_cmp; | |
271 | int mmp_fd; | |
272 | ||
273 | /* | |
274 | * Time at which e2fsck last updated the MMP block. | |
275 | */ | |
276 | long mmp_last_written; | |
dfe74c5c TT |
277 | |
278 | /* progress operation functions */ | |
279 | struct ext2fs_progress_ops *progress_ops; | |
4ffbe3af DW |
280 | |
281 | /* Precomputed FS UUID checksum for seeding other checksums */ | |
282 | __u32 csum_seed; | |
3839e657 TT |
283 | }; |
284 | ||
5953b9de TT |
285 | #if EXT2_FLAT_INCLUDES |
286 | #include "e2_bitops.h" | |
287 | #else | |
7c2d2569 | 288 | #include <ext2fs/bitops.h> |
5953b9de | 289 | #endif |
d40259fd | 290 | |
67861e5b TT |
291 | /* |
292 | * 64-bit bitmap backend types | |
293 | */ | |
67861e5b | 294 | #define EXT2FS_BMAP64_BITARRAY 1 |
c1359d91 | 295 | #define EXT2FS_BMAP64_RBTREE 2 |
d182831a | 296 | #define EXT2FS_BMAP64_AUTODIR 3 |
67861e5b | 297 | |
3839e657 TT |
298 | /* |
299 | * Return flags for the block iterator functions | |
300 | */ | |
301 | #define BLOCK_CHANGED 1 | |
302 | #define BLOCK_ABORT 2 | |
303 | #define BLOCK_ERROR 4 | |
304 | ||
305 | /* | |
306 | * Block interate flags | |
50e1e10f TT |
307 | * |
308 | * BLOCK_FLAG_APPEND, or BLOCK_FLAG_HOLE, indicates that the interator | |
309 | * function should be called on blocks where the block number is zero. | |
310 | * This is used by ext2fs_expand_dir() to be able to add a new block | |
311 | * to an inode. It can also be used for programs that want to be able | |
312 | * to deal with files that contain "holes". | |
efc6f628 | 313 | * |
7447921d TT |
314 | * BLOCK_FLAG_DEPTH_TRAVERSE indicates that the iterator function for |
315 | * the indirect, doubly indirect, etc. blocks should be called after | |
316 | * all of the blocks containined in the indirect blocks are processed. | |
50e1e10f TT |
317 | * This is useful if you are going to be deallocating blocks from an |
318 | * inode. | |
1e3472c5 TT |
319 | * |
320 | * BLOCK_FLAG_DATA_ONLY indicates that the iterator function should be | |
321 | * called for data blocks only. | |
674a4ee1 | 322 | * |
efc6f628 | 323 | * BLOCK_FLAG_READ_ONLY is a promise by the caller that it will not |
357d1863 TT |
324 | * modify returned block number. |
325 | * | |
674a4ee1 | 326 | * BLOCK_FLAG_NO_LARGE is for internal use only. It informs |
36a43d67 | 327 | * ext2fs_block_iterate2 that large files won't be accepted. |
3839e657 TT |
328 | */ |
329 | #define BLOCK_FLAG_APPEND 1 | |
50e1e10f | 330 | #define BLOCK_FLAG_HOLE 1 |
3839e657 | 331 | #define BLOCK_FLAG_DEPTH_TRAVERSE 2 |
1e3472c5 | 332 | #define BLOCK_FLAG_DATA_ONLY 4 |
357d1863 | 333 | #define BLOCK_FLAG_READ_ONLY 8 |
1e3472c5 | 334 | |
674a4ee1 TT |
335 | #define BLOCK_FLAG_NO_LARGE 0x1000 |
336 | ||
1e3472c5 TT |
337 | /* |
338 | * Magic "block count" return values for the block iterator function. | |
339 | */ | |
340 | #define BLOCK_COUNT_IND (-1) | |
341 | #define BLOCK_COUNT_DIND (-2) | |
342 | #define BLOCK_COUNT_TIND (-3) | |
343 | #define BLOCK_COUNT_TRANSLATOR (-4) | |
3839e657 | 344 | |
4a31c48b | 345 | #if 0 |
1e1da29f TT |
346 | /* |
347 | * Flags for ext2fs_move_blocks | |
348 | */ | |
efc6f628 | 349 | #define EXT2_BMOVE_GET_DBLIST 0x0001 |
36f21439 | 350 | #define EXT2_BMOVE_DEBUG 0x0002 |
4a31c48b | 351 | #endif |
1e1da29f | 352 | |
3eb07f64 TT |
353 | /* |
354 | * Generic (non-filesystem layout specific) extents structure | |
355 | */ | |
356 | ||
357 | #define EXT2_EXTENT_FLAGS_LEAF 0x0001 | |
358 | #define EXT2_EXTENT_FLAGS_UNINIT 0x0002 | |
359 | #define EXT2_EXTENT_FLAGS_SECOND_VISIT 0x0004 | |
360 | ||
361 | struct ext2fs_extent { | |
362 | blk64_t e_pblk; /* first physical block */ | |
363 | blk64_t e_lblk; /* first logical block extent covers */ | |
364 | __u32 e_len; /* number of blocks covered by extent */ | |
365 | __u32 e_flags; /* extent flags */ | |
366 | }; | |
367 | ||
368 | typedef struct ext2_extent_handle *ext2_extent_handle_t; | |
369 | typedef struct ext2_extent_path *ext2_extent_path_t; | |
370 | ||
371 | /* | |
372 | * Flags used by ext2fs_extent_get() | |
373 | */ | |
374 | #define EXT2_EXTENT_CURRENT 0x0000 | |
375 | #define EXT2_EXTENT_MOVE_MASK 0x000F | |
376 | #define EXT2_EXTENT_ROOT 0x0001 | |
377 | #define EXT2_EXTENT_LAST_LEAF 0x0002 | |
378 | #define EXT2_EXTENT_FIRST_SIB 0x0003 | |
379 | #define EXT2_EXTENT_LAST_SIB 0x0004 | |
380 | #define EXT2_EXTENT_NEXT_SIB 0x0005 | |
381 | #define EXT2_EXTENT_PREV_SIB 0x0006 | |
382 | #define EXT2_EXTENT_NEXT_LEAF 0x0007 | |
383 | #define EXT2_EXTENT_PREV_LEAF 0x0008 | |
384 | #define EXT2_EXTENT_NEXT 0x0009 | |
385 | #define EXT2_EXTENT_PREV 0x000A | |
386 | #define EXT2_EXTENT_UP 0x000B | |
387 | #define EXT2_EXTENT_DOWN 0x000C | |
388 | #define EXT2_EXTENT_DOWN_AND_LAST 0x000D | |
389 | ||
390 | /* | |
391 | * Flags used by ext2fs_extent_insert() | |
392 | */ | |
01229db5 ES |
393 | #define EXT2_EXTENT_INSERT_AFTER 0x0001 /* insert after handle loc'n */ |
394 | #define EXT2_EXTENT_INSERT_NOSPLIT 0x0002 /* insert may not cause split */ | |
3eb07f64 | 395 | |
c802ad9e ES |
396 | /* |
397 | * Flags used by ext2fs_extent_delete() | |
398 | */ | |
399 | #define EXT2_EXTENT_DELETE_KEEP_EMPTY 0x001 /* keep node if last extnt gone */ | |
400 | ||
f4e9963c ES |
401 | /* |
402 | * Flags used by ext2fs_extent_set_bmap() | |
403 | */ | |
404 | #define EXT2_EXTENT_SET_BMAP_UNINIT 0x0001 | |
405 | ||
3eb07f64 TT |
406 | /* |
407 | * Data structure returned by ext2fs_extent_get_info() | |
408 | */ | |
409 | struct ext2_extent_info { | |
410 | int curr_entry; | |
411 | int curr_level; | |
412 | int num_entries; | |
413 | int max_entries; | |
414 | int max_depth; | |
415 | int bytes_avail; | |
416 | blk64_t max_lblk; | |
417 | blk64_t max_pblk; | |
418 | __u32 max_len; | |
419 | __u32 max_uninit_len; | |
420 | }; | |
421 | ||
f9190c8a TT |
422 | /* |
423 | * Flags for directory block reading and writing functions | |
424 | */ | |
425 | #define EXT2_DIRBLOCK_V2_STRUCT 0x0001 | |
426 | ||
3839e657 TT |
427 | /* |
428 | * Return flags for the directory iterator functions | |
429 | */ | |
430 | #define DIRENT_CHANGED 1 | |
431 | #define DIRENT_ABORT 2 | |
432 | #define DIRENT_ERROR 3 | |
433 | ||
434 | /* | |
435 | * Directory iterator flags | |
436 | */ | |
437 | ||
438 | #define DIRENT_FLAG_INCLUDE_EMPTY 1 | |
8bd0c959 | 439 | #define DIRENT_FLAG_INCLUDE_REMOVED 2 |
41bf5993 | 440 | #define DIRENT_FLAG_INCLUDE_CSUM 4 |
19c78dc0 TT |
441 | |
442 | #define DIRENT_DOT_FILE 1 | |
443 | #define DIRENT_DOT_DOT_FILE 2 | |
444 | #define DIRENT_OTHER_FILE 3 | |
8bd0c959 | 445 | #define DIRENT_DELETED_FILE 4 |
41bf5993 | 446 | #define DIRENT_CHECKSUM 5 |
19c78dc0 | 447 | |
3839e657 TT |
448 | /* |
449 | * Inode scan definitions | |
450 | */ | |
f3db3566 TT |
451 | typedef struct ext2_struct_inode_scan *ext2_inode_scan; |
452 | ||
19c78dc0 TT |
453 | /* |
454 | * ext2fs_scan flags | |
455 | */ | |
456 | #define EXT2_SF_CHK_BADBLOCKS 0x0001 | |
457 | #define EXT2_SF_BAD_INODE_BLK 0x0002 | |
458 | #define EXT2_SF_BAD_EXTRA_BYTES 0x0004 | |
459 | #define EXT2_SF_SKIP_MISSING_ITABLE 0x0008 | |
f5fa2007 | 460 | #define EXT2_SF_DO_LAZY 0x0010 |
3839e657 | 461 | |
50e1e10f TT |
462 | /* |
463 | * ext2fs_check_if_mounted flags | |
464 | */ | |
465 | #define EXT2_MF_MOUNTED 1 | |
466 | #define EXT2_MF_ISROOT 2 | |
19c78dc0 | 467 | #define EXT2_MF_READONLY 4 |
07cefe7a | 468 | #define EXT2_MF_SWAP 8 |
2fa8f37f | 469 | #define EXT2_MF_BUSY 16 |
50e1e10f TT |
470 | |
471 | /* | |
472 | * Ext2/linux mode flags. We define them here so that we don't need | |
473 | * to depend on the OS's sys/stat.h, since we may be compiling on a | |
474 | * non-Linux system. | |
475 | */ | |
476 | #define LINUX_S_IFMT 00170000 | |
477 | #define LINUX_S_IFSOCK 0140000 | |
478 | #define LINUX_S_IFLNK 0120000 | |
479 | #define LINUX_S_IFREG 0100000 | |
480 | #define LINUX_S_IFBLK 0060000 | |
481 | #define LINUX_S_IFDIR 0040000 | |
482 | #define LINUX_S_IFCHR 0020000 | |
483 | #define LINUX_S_IFIFO 0010000 | |
484 | #define LINUX_S_ISUID 0004000 | |
485 | #define LINUX_S_ISGID 0002000 | |
486 | #define LINUX_S_ISVTX 0001000 | |
487 | ||
1e3472c5 TT |
488 | #define LINUX_S_IRWXU 00700 |
489 | #define LINUX_S_IRUSR 00400 | |
490 | #define LINUX_S_IWUSR 00200 | |
491 | #define LINUX_S_IXUSR 00100 | |
492 | ||
493 | #define LINUX_S_IRWXG 00070 | |
494 | #define LINUX_S_IRGRP 00040 | |
495 | #define LINUX_S_IWGRP 00020 | |
496 | #define LINUX_S_IXGRP 00010 | |
497 | ||
498 | #define LINUX_S_IRWXO 00007 | |
499 | #define LINUX_S_IROTH 00004 | |
500 | #define LINUX_S_IWOTH 00002 | |
501 | #define LINUX_S_IXOTH 00001 | |
502 | ||
50e1e10f TT |
503 | #define LINUX_S_ISLNK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFLNK) |
504 | #define LINUX_S_ISREG(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFREG) | |
505 | #define LINUX_S_ISDIR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFDIR) | |
506 | #define LINUX_S_ISCHR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFCHR) | |
507 | #define LINUX_S_ISBLK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFBLK) | |
508 | #define LINUX_S_ISFIFO(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFIFO) | |
509 | #define LINUX_S_ISSOCK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK) | |
510 | ||
819157db TT |
511 | /* |
512 | * ext2 size of an inode | |
513 | */ | |
514 | #define EXT2_I_SIZE(i) ((i)->i_size | ((__u64) (i)->i_size_high << 32)) | |
515 | ||
19c78dc0 TT |
516 | /* |
517 | * ext2_icount_t abstraction | |
518 | */ | |
519 | #define EXT2_ICOUNT_OPT_INCREMENT 0x01 | |
520 | ||
521 | typedef struct ext2_icount *ext2_icount_t; | |
522 | ||
30fab293 TT |
523 | /* |
524 | * Flags for ext2fs_bmap | |
525 | */ | |
1d667534 TT |
526 | #define BMAP_ALLOC 0x0001 |
527 | #define BMAP_SET 0x0002 | |
30fab293 | 528 | |
cc9bf5d2 TT |
529 | /* |
530 | * Returned flags from ext2fs_bmap | |
531 | */ | |
532 | #define BMAP_RET_UNINIT 0x0001 | |
533 | ||
72ed1264 TT |
534 | /* |
535 | * Flags for imager.c functions | |
536 | */ | |
537 | #define IMAGER_FLAG_INODEMAP 1 | |
538 | #define IMAGER_FLAG_SPARSEWRITE 2 | |
539 | ||
f3db3566 TT |
540 | /* |
541 | * For checking structure magic numbers... | |
542 | */ | |
3839e657 | 543 | |
f3db3566 TT |
544 | #define EXT2_CHECK_MAGIC(struct, code) \ |
545 | if ((struct)->magic != (code)) return (code) | |
1e3472c5 TT |
546 | |
547 | ||
548 | /* | |
e5b38a5f | 549 | * For ext2 compression support |
1e3472c5 | 550 | */ |
5d38ef1d | 551 | #define EXT2FS_COMPRESSED_BLKADDR ((blk_t) -1) |
5a63dd28 TT |
552 | #define HOLE_BLKADDR(_b) ((_b) == 0 || (_b) == EXT2FS_COMPRESSED_BLKADDR) |
553 | ||
521e3685 | 554 | /* |
426d734f | 555 | * Features supported by this version of the library |
521e3685 | 556 | */ |
3a5f8eaa TT |
557 | #define EXT2_LIB_FEATURE_COMPAT_SUPP (EXT2_FEATURE_COMPAT_DIR_PREALLOC|\ |
558 | EXT2_FEATURE_COMPAT_IMAGIC_INODES|\ | |
342d847d | 559 | EXT3_FEATURE_COMPAT_HAS_JOURNAL|\ |
d323f8fb | 560 | EXT2_FEATURE_COMPAT_RESIZE_INODE|\ |
52783e0c | 561 | EXT2_FEATURE_COMPAT_DIR_INDEX|\ |
342d847d | 562 | EXT2_FEATURE_COMPAT_EXT_ATTR) |
2fe1efe2 | 563 | |
5a63dd28 TT |
564 | /* This #ifdef is temporary until compression is fully supported */ |
565 | #ifdef ENABLE_COMPRESSION | |
e589f678 TT |
566 | #ifndef I_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL |
567 | /* If the below warning bugs you, then have | |
568 | `CPPFLAGS=-DI_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL' in your | |
569 | environment at configure time. */ | |
cdaf1fa7 | 570 | #warning "Compression support is experimental" |
e589f678 | 571 | #endif |
119f1ad8 | 572 | #define EXT2_LIB_INCOMPAT_COMPRESSION EXT2_FEATURE_INCOMPAT_COMPRESSION |
5a63dd28 | 573 | #else |
119f1ad8 TB |
574 | #define EXT2_LIB_INCOMPAT_COMPRESSION (0) |
575 | #endif | |
576 | ||
d6a4bcb5 TB |
577 | #ifdef CONFIG_MMP |
578 | #define EXT4_LIB_INCOMPAT_MMP EXT4_FEATURE_INCOMPAT_MMP | |
579 | #else | |
580 | #define EXT4_LIB_INCOMPAT_MMP (0) | |
581 | #endif | |
582 | ||
2aac4777 TT |
583 | #ifdef CONFIG_QUOTA |
584 | #define EXT4_LIB_RO_COMPAT_QUOTA EXT4_FEATURE_RO_COMPAT_QUOTA | |
585 | #else | |
586 | #define EXT4_LIB_RO_COMPAT_QUOTA (0) | |
587 | #endif | |
588 | ||
ab146766 | 589 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ |
119f1ad8 | 590 | EXT2_LIB_INCOMPAT_COMPRESSION|\ |
a112847b | 591 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ |
c046ac7f | 592 | EXT2_FEATURE_INCOMPAT_META_BG|\ |
c2d4300b | 593 | EXT3_FEATURE_INCOMPAT_RECOVER|\ |
15d482ba | 594 | EXT3_FEATURE_INCOMPAT_EXTENTS|\ |
02d6f47e | 595 | EXT4_FEATURE_INCOMPAT_FLEX_BG|\ |
d6a4bcb5 | 596 | EXT4_LIB_INCOMPAT_MMP|\ |
02d6f47e | 597 | EXT4_FEATURE_INCOMPAT_64BIT) |
2aac4777 | 598 | |
7becb206 TT |
599 | #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\ |
600 | EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\ | |
601 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\ | |
602 | EXT4_FEATURE_RO_COMPAT_DIR_NLINK|\ | |
603 | EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\ | |
604 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\ | |
3e752286 | 605 | EXT4_FEATURE_RO_COMPAT_BIGALLOC|\ |
2aac4777 | 606 | EXT4_LIB_RO_COMPAT_QUOTA|\ |
3e752286 | 607 | EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) |
cf8272e1 TT |
608 | |
609 | /* | |
610 | * These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed | |
611 | * to ext2fs_openfs() | |
612 | */ | |
1ca1059f | 613 | #define EXT2_LIB_SOFTSUPP_INCOMPAT (0) |
991211f6 | 614 | #define EXT2_LIB_SOFTSUPP_RO_COMPAT (EXT4_FEATURE_RO_COMPAT_REPLICA) |
cf8272e1 | 615 | |
1da5ef70 TT |
616 | |
617 | /* Translate a block number to a cluster number */ | |
618 | #define EXT2FS_CLUSTER_RATIO(fs) (1 << (fs)->cluster_ratio_bits) | |
619 | #define EXT2FS_CLUSTER_MASK(fs) (EXT2FS_CLUSTER_RATIO(fs) - 1) | |
620 | #define EXT2FS_B2C(fs, blk) ((blk) >> (fs)->cluster_ratio_bits) | |
621 | /* Translate a cluster number to a block number */ | |
622 | #define EXT2FS_C2B(fs, cluster) ((cluster) << (fs)->cluster_ratio_bits) | |
623 | /* Translate # of blks to # of clusters */ | |
624 | #define EXT2FS_NUM_B2C(fs, blks) (((blks) + EXT2FS_CLUSTER_MASK(fs)) >> \ | |
625 | (fs)->cluster_ratio_bits) | |
626 | ||
a9f46078 | 627 | #if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED) |
c859cb1d LC |
628 | typedef struct stat64 ext2fs_struct_stat; |
629 | #else | |
630 | typedef struct stat ext2fs_struct_stat; | |
631 | #endif | |
632 | ||
9d9a53e6 RJ |
633 | /* |
634 | * For ext2fs_close2() and ext2fs_flush2(), this flag allows you to | |
635 | * avoid the fsync call. | |
636 | */ | |
637 | #define EXT2_FLAG_FLUSH_NO_SYNC 1 | |
638 | ||
3839e657 TT |
639 | /* |
640 | * function prototypes | |
641 | */ | |
5b58dc23 DW |
642 | static inline int ext2fs_has_group_desc_csum(ext2_filsys fs) |
643 | { | |
644 | return EXT2_HAS_RO_COMPAT_FEATURE(fs->super, | |
645 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM | | |
646 | EXT4_FEATURE_RO_COMPAT_METADATA_CSUM); | |
647 | } | |
3839e657 TT |
648 | |
649 | /* alloc.c */ | |
31dbecd4 TT |
650 | extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode, |
651 | ext2fs_inode_bitmap map, ext2_ino_t *ret); | |
3839e657 | 652 | extern errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal, |
f3db3566 | 653 | ext2fs_block_bitmap map, blk_t *ret); |
8a5e1812 JS |
654 | extern errcode_t ext2fs_new_block2(ext2_filsys fs, blk64_t goal, |
655 | ext2fs_block_bitmap map, blk64_t *ret); | |
3839e657 | 656 | extern errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, |
f3db3566 TT |
657 | blk_t finish, int num, |
658 | ext2fs_block_bitmap map, | |
3839e657 | 659 | blk_t *ret); |
8a5e1812 JS |
660 | extern errcode_t ext2fs_get_free_blocks2(ext2_filsys fs, blk64_t start, |
661 | blk64_t finish, int num, | |
662 | ext2fs_block_bitmap map, | |
663 | blk64_t *ret); | |
30fab293 TT |
664 | extern errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal, |
665 | char *block_buf, blk_t *ret); | |
8a5e1812 JS |
666 | extern errcode_t ext2fs_alloc_block2(ext2_filsys fs, blk64_t goal, |
667 | char *block_buf, blk64_t *ret); | |
efc6f628 | 668 | extern void ext2fs_set_alloc_block_callback(ext2_filsys fs, |
f5c562e2 TT |
669 | errcode_t (*func)(ext2_filsys fs, |
670 | blk64_t goal, | |
671 | blk64_t *ret), | |
672 | errcode_t (**old)(ext2_filsys fs, | |
673 | blk64_t goal, | |
674 | blk64_t *ret)); | |
3839e657 | 675 | |
ef344e13 | 676 | /* alloc_sb.c */ |
efc6f628 | 677 | extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs, |
ef344e13 TT |
678 | dgrp_t group, |
679 | ext2fs_block_bitmap bmap); | |
efc6f628 | 680 | extern void ext2fs_set_block_alloc_stats_callback(ext2_filsys fs, |
f5c562e2 TT |
681 | void (*func)(ext2_filsys fs, |
682 | blk64_t blk, | |
683 | int inuse), | |
684 | void (**old)(ext2_filsys fs, | |
685 | blk64_t blk, | |
686 | int inuse)); | |
ef344e13 | 687 | |
8bd0c959 TT |
688 | /* alloc_stats.c */ |
689 | void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse); | |
7f961d42 TT |
690 | void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, |
691 | int inuse, int isdir); | |
8bd0c959 | 692 | void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse); |
e8328e31 | 693 | void ext2fs_block_alloc_stats2(ext2_filsys fs, blk64_t blk, int inuse); |
8bd0c959 | 694 | |
1e1da29f TT |
695 | /* alloc_tables.c */ |
696 | extern errcode_t ext2fs_allocate_tables(ext2_filsys fs); | |
2eb374c9 | 697 | extern errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, |
1e1da29f | 698 | ext2fs_block_bitmap bmap); |
19c78dc0 | 699 | |
3839e657 | 700 | /* badblocks.c */ |
b7a00563 TT |
701 | extern errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size); |
702 | extern errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk); | |
54434927 | 703 | extern int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk); |
b7a00563 TT |
704 | extern int ext2fs_u32_list_test(ext2_u32_list bb, blk_t blk); |
705 | extern errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, | |
706 | ext2_u32_iterate *ret); | |
707 | extern int ext2fs_u32_list_iterate(ext2_u32_iterate iter, blk_t *blk); | |
708 | extern void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter); | |
709 | extern errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest); | |
710 | extern int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2); | |
711 | ||
19c78dc0 TT |
712 | extern errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, |
713 | int size); | |
19c78dc0 TT |
714 | extern errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, |
715 | blk_t blk); | |
716 | extern int ext2fs_badblocks_list_test(ext2_badblocks_list bb, | |
717 | blk_t blk); | |
7d7bdd57 TT |
718 | extern int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk); |
719 | extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk); | |
19c78dc0 TT |
720 | extern errcode_t |
721 | ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, | |
722 | ext2_badblocks_iterate *ret); | |
723 | extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, | |
724 | blk_t *blk); | |
725 | extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter); | |
a29f4d30 TT |
726 | extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, |
727 | ext2_badblocks_list *dest); | |
57dca854 TT |
728 | extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1, |
729 | ext2_badblocks_list bb2); | |
220c0040 | 730 | extern int ext2fs_u32_list_count(ext2_u32_list bb); |
19c78dc0 TT |
731 | |
732 | /* bb_compat */ | |
3839e657 | 733 | extern errcode_t badblocks_list_create(badblocks_list *ret, int size); |
3839e657 TT |
734 | extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk); |
735 | extern int badblocks_list_test(badblocks_list bb, blk_t blk); | |
736 | extern errcode_t badblocks_list_iterate_begin(badblocks_list bb, | |
737 | badblocks_iterate *ret); | |
738 | extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk); | |
739 | extern void badblocks_list_iterate_end(badblocks_iterate iter); | |
a29f4d30 | 740 | extern void badblocks_list_free(badblocks_list bb); |
3839e657 TT |
741 | |
742 | /* bb_inode.c */ | |
743 | extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs, | |
19c78dc0 | 744 | ext2_badblocks_list bb_list); |
3839e657 TT |
745 | |
746 | /* bitmaps.c */ | |
a0553c9d TT |
747 | extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap); |
748 | extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap); | |
f1f115a7 TT |
749 | extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, |
750 | ext2fs_generic_bitmap *dest); | |
3839e657 TT |
751 | extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs); |
752 | extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs); | |
753 | extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs); | |
754 | extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs); | |
50e1e10f TT |
755 | extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, |
756 | const char *descr, | |
757 | ext2fs_block_bitmap *ret); | |
94968e74 TT |
758 | extern errcode_t ext2fs_allocate_subcluster_bitmap(ext2_filsys fs, |
759 | const char *descr, | |
760 | ext2fs_block_bitmap *ret); | |
761 | extern int ext2fs_get_bitmap_granularity(ext2fs_block_bitmap bitmap); | |
50e1e10f TT |
762 | extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, |
763 | const char *descr, | |
764 | ext2fs_inode_bitmap *ret); | |
765 | extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, | |
31dbecd4 | 766 | ext2_ino_t end, ext2_ino_t *oend); |
50e1e10f TT |
767 | extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, |
768 | blk_t end, blk_t *oend); | |
8f82ef98 VAH |
769 | extern errcode_t ext2fs_fudge_block_bitmap_end2(ext2fs_block_bitmap bitmap, |
770 | blk64_t end, blk64_t *oend); | |
50e1e10f TT |
771 | extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap); |
772 | extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap); | |
3839e657 TT |
773 | extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs); |
774 | extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs); | |
50448d3d TT |
775 | extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, |
776 | ext2fs_inode_bitmap bmap); | |
8f82ef98 VAH |
777 | extern errcode_t ext2fs_resize_inode_bitmap2(__u64 new_end, |
778 | __u64 new_real_end, | |
779 | ext2fs_inode_bitmap bmap); | |
50448d3d TT |
780 | extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, |
781 | ext2fs_block_bitmap bmap); | |
8f82ef98 VAH |
782 | extern errcode_t ext2fs_resize_block_bitmap2(__u64 new_end, |
783 | __u64 new_real_end, | |
784 | ext2fs_block_bitmap bmap); | |
50448d3d TT |
785 | extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, |
786 | ext2fs_block_bitmap bm2); | |
787 | extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, | |
788 | ext2fs_inode_bitmap bm2); | |
f1f115a7 TT |
789 | extern errcode_t ext2fs_set_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
790 | ext2_ino_t start, unsigned int num, | |
791 | void *in); | |
8f82ef98 VAH |
792 | extern errcode_t ext2fs_set_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
793 | __u64 start, size_t num, | |
794 | void *in); | |
f1f115a7 TT |
795 | extern errcode_t ext2fs_get_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
796 | ext2_ino_t start, unsigned int num, | |
797 | void *out); | |
8f82ef98 VAH |
798 | extern errcode_t ext2fs_get_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
799 | __u64 start, size_t num, | |
800 | void *out); | |
f1f115a7 TT |
801 | extern errcode_t ext2fs_set_block_bitmap_range(ext2fs_block_bitmap bmap, |
802 | blk_t start, unsigned int num, | |
803 | void *in); | |
8f82ef98 VAH |
804 | extern errcode_t ext2fs_set_block_bitmap_range2(ext2fs_block_bitmap bmap, |
805 | blk64_t start, size_t num, | |
806 | void *in); | |
f1f115a7 TT |
807 | extern errcode_t ext2fs_get_block_bitmap_range(ext2fs_block_bitmap bmap, |
808 | blk_t start, unsigned int num, | |
809 | void *out); | |
8f82ef98 VAH |
810 | extern errcode_t ext2fs_get_block_bitmap_range2(ext2fs_block_bitmap bmap, |
811 | blk64_t start, size_t num, | |
812 | void *out); | |
50448d3d | 813 | |
e3854b3b | 814 | /* blknum.c */ |
a80ea340 | 815 | extern __u32 ext2fs_inode_bitmap_checksum(ext2_filsys fs, dgrp_t group); |
e7dc95c6 | 816 | extern __u32 ext2fs_block_bitmap_checksum(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
817 | extern dgrp_t ext2fs_group_of_blk2(ext2_filsys fs, blk64_t); |
818 | extern blk64_t ext2fs_group_first_block2(ext2_filsys fs, dgrp_t group); | |
819 | extern blk64_t ext2fs_group_last_block2(ext2_filsys fs, dgrp_t group); | |
98f45471 | 820 | extern int ext2fs_group_blocks_count(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
821 | extern blk64_t ext2fs_inode_data_blocks2(ext2_filsys fs, |
822 | struct ext2_inode *inode); | |
823 | extern blk64_t ext2fs_inode_i_blocks(ext2_filsys fs, | |
824 | struct ext2_inode *inode); | |
825 | extern blk64_t ext2fs_blocks_count(struct ext2_super_block *super); | |
826 | extern void ext2fs_blocks_count_set(struct ext2_super_block *super, | |
827 | blk64_t blk); | |
828 | extern void ext2fs_blocks_count_add(struct ext2_super_block *super, | |
829 | blk64_t blk); | |
830 | extern blk64_t ext2fs_r_blocks_count(struct ext2_super_block *super); | |
831 | extern void ext2fs_r_blocks_count_set(struct ext2_super_block *super, | |
832 | blk64_t blk); | |
833 | extern void ext2fs_r_blocks_count_add(struct ext2_super_block *super, | |
834 | blk64_t blk); | |
835 | extern blk64_t ext2fs_free_blocks_count(struct ext2_super_block *super); | |
836 | extern void ext2fs_free_blocks_count_set(struct ext2_super_block *super, | |
837 | blk64_t blk); | |
838 | extern void ext2fs_free_blocks_count_add(struct ext2_super_block *super, | |
839 | blk64_t blk); | |
840 | /* Block group descriptor accessor functions */ | |
841 | extern struct ext2_group_desc *ext2fs_group_desc(ext2_filsys fs, | |
efe0b401 | 842 | struct opaque_ext2_group_desc *gdp, |
e3854b3b | 843 | dgrp_t group); |
e7dc95c6 | 844 | extern blk64_t ext2fs_block_bitmap_csum(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
845 | extern blk64_t ext2fs_block_bitmap_loc(ext2_filsys fs, dgrp_t group); |
846 | extern void ext2fs_block_bitmap_loc_set(ext2_filsys fs, dgrp_t group, | |
847 | blk64_t blk); | |
a80ea340 | 848 | extern __u32 ext2fs_inode_bitmap_csum(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
849 | extern blk64_t ext2fs_inode_bitmap_loc(ext2_filsys fs, dgrp_t group); |
850 | extern void ext2fs_inode_bitmap_loc_set(ext2_filsys fs, dgrp_t group, | |
851 | blk64_t blk); | |
852 | extern blk64_t ext2fs_inode_table_loc(ext2_filsys fs, dgrp_t group); | |
853 | extern void ext2fs_inode_table_loc_set(ext2_filsys fs, dgrp_t group, | |
854 | blk64_t blk); | |
d62d218f | 855 | extern __u32 ext2fs_bg_free_blocks_count(ext2_filsys fs, dgrp_t group); |
e3854b3b | 856 | extern void ext2fs_bg_free_blocks_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
857 | __u32 n); |
858 | extern __u32 ext2fs_bg_free_inodes_count(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 859 | extern void ext2fs_bg_free_inodes_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
860 | __u32 n); |
861 | extern __u32 ext2fs_bg_used_dirs_count(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 862 | extern void ext2fs_bg_used_dirs_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
863 | __u32 n); |
864 | extern __u32 ext2fs_bg_itable_unused(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 865 | extern void ext2fs_bg_itable_unused_set(ext2_filsys fs, dgrp_t group, |
d62d218f | 866 | __u32 n); |
e3854b3b | 867 | extern __u16 ext2fs_bg_flags(ext2_filsys fs, dgrp_t group); |
e633b58a | 868 | extern void ext2fs_bg_flags_zap(ext2_filsys fs, dgrp_t group); |
cd65a24e | 869 | extern int ext2fs_bg_flags_test(ext2_filsys fs, dgrp_t group, __u16 bg_flag); |
e633b58a ES |
870 | extern void ext2fs_bg_flags_set(ext2_filsys fs, dgrp_t group, __u16 bg_flags); |
871 | extern void ext2fs_bg_flags_clear(ext2_filsys fs, dgrp_t group, __u16 bg_flags); | |
e3854b3b JS |
872 | extern __u16 ext2fs_bg_checksum(ext2_filsys fs, dgrp_t group); |
873 | extern void ext2fs_bg_checksum_set(ext2_filsys fs, dgrp_t group, __u16 checksum); | |
0c80c44b TT |
874 | extern blk64_t ext2fs_file_acl_block(ext2_filsys fs, |
875 | const struct ext2_inode *inode); | |
876 | extern void ext2fs_file_acl_block_set(ext2_filsys fs, | |
877 | struct ext2_inode *inode, blk64_t blk); | |
3839e657 TT |
878 | |
879 | /* block.c */ | |
880 | extern errcode_t ext2fs_block_iterate(ext2_filsys fs, | |
31dbecd4 | 881 | ext2_ino_t ino, |
3839e657 TT |
882 | int flags, |
883 | char *block_buf, | |
884 | int (*func)(ext2_filsys fs, | |
885 | blk_t *blocknr, | |
886 | int blockcnt, | |
b5abe6fa TT |
887 | void *priv_data), |
888 | void *priv_data); | |
19c78dc0 | 889 | errcode_t ext2fs_block_iterate2(ext2_filsys fs, |
31dbecd4 | 890 | ext2_ino_t ino, |
674a4ee1 TT |
891 | int flags, |
892 | char *block_buf, | |
893 | int (*func)(ext2_filsys fs, | |
894 | blk_t *blocknr, | |
03673dbb | 895 | e2_blkcnt_t blockcnt, |
674a4ee1 TT |
896 | blk_t ref_blk, |
897 | int ref_offset, | |
898 | void *priv_data), | |
899 | void *priv_data); | |
272631e4 TT |
900 | errcode_t ext2fs_block_iterate3(ext2_filsys fs, |
901 | ext2_ino_t ino, | |
902 | int flags, | |
903 | char *block_buf, | |
904 | int (*func)(ext2_filsys fs, | |
905 | blk64_t *blocknr, | |
906 | e2_blkcnt_t blockcnt, | |
907 | blk64_t ref_blk, | |
908 | int ref_offset, | |
909 | void *priv_data), | |
910 | void *priv_data); | |
19c78dc0 | 911 | |
30fab293 | 912 | /* bmap.c */ |
31dbecd4 | 913 | extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 914 | struct ext2_inode *inode, |
30fab293 TT |
915 | char *block_buf, int bmap_flags, |
916 | blk_t block, blk_t *phys_blk); | |
efc6f628 | 917 | extern errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, |
cc9bf5d2 TT |
918 | struct ext2_inode *inode, |
919 | char *block_buf, int bmap_flags, blk64_t block, | |
920 | int *ret_flags, blk64_t *phys_blk); | |
30fab293 | 921 | |
4a31c48b | 922 | #if 0 |
1e1da29f TT |
923 | /* bmove.c */ |
924 | extern errcode_t ext2fs_move_blocks(ext2_filsys fs, | |
925 | ext2fs_block_bitmap reserve, | |
9941fb73 | 926 | ext2fs_block_bitmap alloc_map, |
1e1da29f | 927 | int flags); |
4a31c48b | 928 | #endif |
1e1da29f | 929 | |
f3db3566 TT |
930 | /* check_desc.c */ |
931 | extern errcode_t ext2fs_check_desc(ext2_filsys fs); | |
932 | ||
3839e657 TT |
933 | /* closefs.c */ |
934 | extern errcode_t ext2fs_close(ext2_filsys fs); | |
9d9a53e6 | 935 | extern errcode_t ext2fs_close2(ext2_filsys fs, int flags); |
3839e657 | 936 | extern errcode_t ext2fs_flush(ext2_filsys fs); |
9d9a53e6 | 937 | extern errcode_t ext2fs_flush2(ext2_filsys fs, int flags); |
47183951 | 938 | extern int ext2fs_bg_has_super(ext2_filsys fs, dgrp_t group_block); |
71300f35 JS |
939 | extern errcode_t ext2fs_super_and_bgd_loc2(ext2_filsys fs, |
940 | dgrp_t group, | |
941 | blk64_t *ret_super_blk, | |
942 | blk64_t *ret_old_desc_blk, | |
943 | blk64_t *ret_new_desc_blk, | |
944 | blk_t *ret_used_blks); | |
efc6f628 | 945 | extern int ext2fs_super_and_bgd_loc(ext2_filsys fs, |
ef344e13 TT |
946 | dgrp_t group, |
947 | blk_t *ret_super_blk, | |
948 | blk_t *ret_old_desc_blk, | |
949 | blk_t *ret_new_desc_blk, | |
950 | int *ret_meta_bg); | |
1b4cd9c7 | 951 | extern void ext2fs_update_dynamic_rev(ext2_filsys fs); |
3839e657 | 952 | |
db8bbf27 | 953 | /* crc32c.c */ |
033c3384 | 954 | extern __u32 ext2fs_crc32_be(__u32 crc, unsigned char const *p, size_t len); |
a7a63675 | 955 | extern __u32 ext2fs_crc32c_le(__u32 crc, unsigned char const *p, size_t len); |
db8bbf27 | 956 | |
ca2634a4 | 957 | /* csum.c */ |
a9620d8b DW |
958 | extern errcode_t ext2fs_mmp_csum_set(ext2_filsys fs, struct mmp_struct *mmp); |
959 | extern int ext2fs_mmp_csum_verify(ext2_filsys, struct mmp_struct *mmp); | |
1eedf3e5 | 960 | extern int ext2fs_verify_csum_type(ext2_filsys fs, struct ext2_super_block *sb); |
d4ca3e40 DW |
961 | extern errcode_t ext2fs_superblock_csum_set(ext2_filsys fs, |
962 | struct ext2_super_block *sb); | |
963 | extern int ext2fs_superblock_csum_verify(ext2_filsys fs, | |
964 | struct ext2_super_block *sb); | |
39f5659a DW |
965 | extern errcode_t ext2fs_ext_attr_block_csum_set(ext2_filsys fs, |
966 | ext2_ino_t inum, blk64_t block, | |
967 | struct ext2_ext_attr_header *hdr); | |
968 | extern int ext2fs_ext_attr_block_csum_verify(ext2_filsys fs, ext2_ino_t inum, | |
969 | blk64_t block, | |
970 | struct ext2_ext_attr_header *hdr); | |
81683c6a | 971 | #define EXT2_DIRENT_TAIL(block, blocksize) \ |
894eaf85 | 972 | ((struct ext2_dir_entry_tail *)(((char *)(block)) + \ |
81683c6a DW |
973 | (blocksize) - sizeof(struct ext2_dir_entry_tail))) |
974 | ||
975 | extern void ext2fs_initialize_dirent_tail(ext2_filsys fs, | |
976 | struct ext2_dir_entry_tail *t); | |
977 | extern int ext2fs_dirent_has_tail(ext2_filsys fs, | |
978 | struct ext2_dir_entry *dirent); | |
894eaf85 TT |
979 | extern int ext2fs_dirent_csum_verify(ext2_filsys fs, ext2_ino_t inum, |
980 | struct ext2_dir_entry *dirent); | |
81683c6a DW |
981 | extern int ext2fs_dir_block_csum_verify(ext2_filsys fs, ext2_ino_t inum, |
982 | struct ext2_dir_entry *dirent); | |
983 | extern errcode_t ext2fs_dir_block_csum_set(ext2_filsys fs, ext2_ino_t inum, | |
984 | struct ext2_dir_entry *dirent); | |
dc96de09 DW |
985 | extern errcode_t ext2fs_get_dx_countlimit(ext2_filsys fs, |
986 | struct ext2_dir_entry *dirent, | |
987 | struct ext2_dx_countlimit **cc, | |
988 | int *offset); | |
41275efe DW |
989 | extern errcode_t ext2fs_extent_block_csum_set(ext2_filsys fs, |
990 | ext2_ino_t inum, | |
991 | struct ext3_extent_header *eh); | |
992 | extern int ext2fs_extent_block_csum_verify(ext2_filsys fs, | |
993 | ext2_ino_t inum, | |
994 | struct ext3_extent_header *eh); | |
e7dc95c6 DW |
995 | extern errcode_t ext2fs_block_bitmap_csum_set(ext2_filsys fs, dgrp_t group, |
996 | char *bitmap, int size); | |
997 | extern int ext2fs_block_bitmap_csum_verify(ext2_filsys fs, dgrp_t group, | |
998 | char *bitmap, int size); | |
a80ea340 DW |
999 | extern errcode_t ext2fs_inode_bitmap_csum_set(ext2_filsys fs, dgrp_t group, |
1000 | char *bitmap, int size); | |
1001 | extern int ext2fs_inode_bitmap_csum_verify(ext2_filsys fs, dgrp_t group, | |
1002 | char *bitmap, int size); | |
37d82b6a DW |
1003 | extern errcode_t ext2fs_inode_csum_set(ext2_filsys fs, ext2_ino_t inum, |
1004 | struct ext2_inode_large *inode); | |
1005 | extern int ext2fs_inode_csum_verify(ext2_filsys fs, ext2_ino_t inum, | |
1006 | struct ext2_inode_large *inode); | |
ca2634a4 JS |
1007 | extern void ext2fs_group_desc_csum_set(ext2_filsys fs, dgrp_t group); |
1008 | extern int ext2fs_group_desc_csum_verify(ext2_filsys fs, dgrp_t group); | |
f628acea | 1009 | extern errcode_t ext2fs_set_gdt_csum(ext2_filsys fs); |
87141781 | 1010 | extern __u16 ext2fs_group_desc_csum(ext2_filsys fs, dgrp_t group); |
ca2634a4 | 1011 | |
19c78dc0 | 1012 | /* dblist.c */ |
a29f4d30 | 1013 | extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist); |
31dbecd4 | 1014 | extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 1015 | blk_t blk, int blockcnt); |
ab13b5a9 TT |
1016 | extern errcode_t ext2fs_add_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
1017 | blk64_t blk, e2_blkcnt_t blockcnt); | |
ea1959f0 TT |
1018 | extern void ext2fs_dblist_sort(ext2_dblist dblist, |
1019 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
1020 | const void *)); | |
ab13b5a9 TT |
1021 | extern void ext2fs_dblist_sort2(ext2_dblist dblist, |
1022 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
1023 | const void *)); | |
a29f4d30 TT |
1024 | extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist, |
1025 | int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info, | |
b5abe6fa TT |
1026 | void *priv_data), |
1027 | void *priv_data); | |
ab13b5a9 TT |
1028 | extern errcode_t ext2fs_dblist_iterate2(ext2_dblist dblist, |
1029 | int (*func)(ext2_filsys fs, struct ext2_db_entry2 *db_info, | |
1030 | void *priv_data), | |
1031 | void *priv_data); | |
31dbecd4 | 1032 | extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 1033 | blk_t blk, int blockcnt); |
ab13b5a9 TT |
1034 | extern errcode_t ext2fs_set_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
1035 | blk64_t blk, e2_blkcnt_t blockcnt); | |
a29f4d30 TT |
1036 | extern errcode_t ext2fs_copy_dblist(ext2_dblist src, |
1037 | ext2_dblist *dest); | |
549860c5 | 1038 | extern int ext2fs_dblist_count(ext2_dblist dblist); |
ab13b5a9 | 1039 | extern blk64_t ext2fs_dblist_count2(ext2_dblist dblist); |
efc6f628 | 1040 | extern errcode_t ext2fs_dblist_get_last(ext2_dblist dblist, |
52b1dd5e | 1041 | struct ext2_db_entry **entry); |
ab13b5a9 TT |
1042 | extern errcode_t ext2fs_dblist_get_last2(ext2_dblist dblist, |
1043 | struct ext2_db_entry2 **entry); | |
52b1dd5e | 1044 | extern errcode_t ext2fs_dblist_drop_last(ext2_dblist dblist); |
19c78dc0 TT |
1045 | |
1046 | /* dblist_dir.c */ | |
1047 | extern errcode_t | |
1048 | ext2fs_dblist_dir_iterate(ext2_dblist dblist, | |
1049 | int flags, | |
1050 | char *block_buf, | |
31dbecd4 | 1051 | int (*func)(ext2_ino_t dir, |
19c78dc0 TT |
1052 | int entry, |
1053 | struct ext2_dir_entry *dirent, | |
1054 | int offset, | |
1055 | int blocksize, | |
1056 | char *buf, | |
b5abe6fa TT |
1057 | void *priv_data), |
1058 | void *priv_data); | |
50e1e10f TT |
1059 | |
1060 | /* dirblock.c */ | |
1061 | extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block, | |
1062 | void *buf); | |
f9190c8a TT |
1063 | extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block, |
1064 | void *buf, int flags); | |
57e2467d JS |
1065 | extern errcode_t ext2fs_read_dir_block3(ext2_filsys fs, blk64_t block, |
1066 | void *buf, int flags); | |
81683c6a DW |
1067 | extern errcode_t ext2fs_read_dir_block4(ext2_filsys fs, blk64_t block, |
1068 | void *buf, int flags, ext2_ino_t ino); | |
50e1e10f TT |
1069 | extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block, |
1070 | void *buf); | |
f9190c8a TT |
1071 | extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block, |
1072 | void *buf, int flags); | |
57e2467d JS |
1073 | extern errcode_t ext2fs_write_dir_block3(ext2_filsys fs, blk64_t block, |
1074 | void *buf, int flags); | |
81683c6a DW |
1075 | extern errcode_t ext2fs_write_dir_block4(ext2_filsys fs, blk64_t block, |
1076 | void *buf, int flags, ext2_ino_t ino); | |
50e1e10f | 1077 | |
52783e0c TT |
1078 | /* dirhash.c */ |
1079 | extern errcode_t ext2fs_dirhash(int version, const char *name, int len, | |
b33278c4 | 1080 | const __u32 *seed, |
503f9e7f TT |
1081 | ext2_dirhash_t *ret_hash, |
1082 | ext2_dirhash_t *ret_minor_hash); | |
52783e0c TT |
1083 | |
1084 | ||
19c78dc0 | 1085 | /* dir_iterate.c */ |
8a480350 TT |
1086 | extern errcode_t ext2fs_get_rec_len(ext2_filsys fs, |
1087 | struct ext2_dir_entry *dirent, | |
1088 | unsigned int *rec_len); | |
1089 | extern errcode_t ext2fs_set_rec_len(ext2_filsys fs, | |
1090 | unsigned int len, | |
1091 | struct ext2_dir_entry *dirent); | |
efc6f628 | 1092 | extern errcode_t ext2fs_dir_iterate(ext2_filsys fs, |
31dbecd4 | 1093 | ext2_ino_t dir, |
19c78dc0 TT |
1094 | int flags, |
1095 | char *block_buf, | |
1096 | int (*func)(struct ext2_dir_entry *dirent, | |
1097 | int offset, | |
1098 | int blocksize, | |
1099 | char *buf, | |
b5abe6fa TT |
1100 | void *priv_data), |
1101 | void *priv_data); | |
efc6f628 | 1102 | extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs, |
8bd0c959 TT |
1103 | ext2_ino_t dir, |
1104 | int flags, | |
1105 | char *block_buf, | |
1106 | int (*func)(ext2_ino_t dir, | |
1107 | int entry, | |
1108 | struct ext2_dir_entry *dirent, | |
1109 | int offset, | |
1110 | int blocksize, | |
1111 | char *buf, | |
1112 | void *priv_data), | |
1113 | void *priv_data); | |
19c78dc0 | 1114 | |
a29f4d30 TT |
1115 | /* dupfs.c */ |
1116 | extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest); | |
19c78dc0 | 1117 | |
3839e657 | 1118 | /* expanddir.c */ |
31dbecd4 | 1119 | extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir); |
3839e657 | 1120 | |
342d847d | 1121 | /* ext_attr.c */ |
fefaef39 AD |
1122 | extern __u32 ext2fs_ext_attr_hash_entry(struct ext2_ext_attr_entry *entry, |
1123 | void *data); | |
342d847d | 1124 | extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf); |
b91f14b8 JS |
1125 | extern errcode_t ext2fs_read_ext_attr2(ext2_filsys fs, blk64_t block, |
1126 | void *buf); | |
39f5659a DW |
1127 | extern errcode_t ext2fs_read_ext_attr3(ext2_filsys fs, blk64_t block, |
1128 | void *buf, ext2_ino_t inum); | |
0684a4f3 TT |
1129 | extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, |
1130 | void *buf); | |
b91f14b8 JS |
1131 | extern errcode_t ext2fs_write_ext_attr2(ext2_filsys fs, blk64_t block, |
1132 | void *buf); | |
39f5659a DW |
1133 | extern errcode_t ext2fs_write_ext_attr3(ext2_filsys fs, blk64_t block, |
1134 | void *buf, ext2_ino_t inum); | |
0684a4f3 TT |
1135 | extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk, |
1136 | char *block_buf, | |
1137 | int adjust, __u32 *newcount); | |
b91f14b8 JS |
1138 | extern errcode_t ext2fs_adjust_ea_refcount2(ext2_filsys fs, blk64_t blk, |
1139 | char *block_buf, | |
1140 | int adjust, __u32 *newcount); | |
39f5659a DW |
1141 | extern errcode_t ext2fs_adjust_ea_refcount3(ext2_filsys fs, blk64_t blk, |
1142 | char *block_buf, | |
1143 | int adjust, __u32 *newcount, | |
1144 | ext2_ino_t inum); | |
0684a4f3 | 1145 | |
3eb07f64 TT |
1146 | /* extent.c */ |
1147 | extern errcode_t ext2fs_extent_header_verify(void *ptr, int size); | |
1148 | extern errcode_t ext2fs_extent_open(ext2_filsys fs, ext2_ino_t ino, | |
1149 | ext2_extent_handle_t *handle); | |
84b239ae | 1150 | extern errcode_t ext2fs_extent_open2(ext2_filsys fs, ext2_ino_t ino, |
1151 | struct ext2_inode *inode, | |
1152 | ext2_extent_handle_t *ret_handle); | |
2d328bb7 | 1153 | extern void ext2fs_extent_free(ext2_extent_handle_t handle); |
3eb07f64 TT |
1154 | extern errcode_t ext2fs_extent_get(ext2_extent_handle_t handle, |
1155 | int flags, struct ext2fs_extent *extent); | |
bee7b67c | 1156 | extern errcode_t ext2fs_extent_node_split(ext2_extent_handle_t handle); |
3eb07f64 TT |
1157 | extern errcode_t ext2fs_extent_replace(ext2_extent_handle_t handle, int flags, |
1158 | struct ext2fs_extent *extent); | |
1159 | extern errcode_t ext2fs_extent_insert(ext2_extent_handle_t handle, int flags, | |
1160 | struct ext2fs_extent *extent); | |
f4e9963c ES |
1161 | extern errcode_t ext2fs_extent_set_bmap(ext2_extent_handle_t handle, |
1162 | blk64_t logical, blk64_t physical, | |
1163 | int flags); | |
3eb07f64 TT |
1164 | extern errcode_t ext2fs_extent_delete(ext2_extent_handle_t handle, int flags); |
1165 | extern errcode_t ext2fs_extent_get_info(ext2_extent_handle_t handle, | |
1166 | struct ext2_extent_info *info); | |
1167 | extern errcode_t ext2fs_extent_goto(ext2_extent_handle_t handle, | |
1168 | blk64_t blk); | |
bee7b67c TT |
1169 | extern errcode_t ext2fs_extent_goto2(ext2_extent_handle_t handle, |
1170 | int leaf_level, blk64_t blk); | |
789bd401 | 1171 | extern errcode_t ext2fs_extent_fix_parents(ext2_extent_handle_t handle); |
3eb07f64 | 1172 | |
30fab293 | 1173 | /* fileio.c */ |
a435ec34 TT |
1174 | extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino, |
1175 | struct ext2_inode *inode, | |
1176 | int flags, ext2_file_t *ret); | |
31dbecd4 | 1177 | extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino, |
30fab293 | 1178 | int flags, ext2_file_t *ret); |
79a90bda | 1179 | extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file); |
6dc058bd | 1180 | struct ext2_inode *ext2fs_file_get_inode(ext2_file_t file); |
3ae682bb | 1181 | extern ext2_ino_t ext2fs_file_get_inode_num(ext2_file_t file); |
30fab293 | 1182 | extern errcode_t ext2fs_file_close(ext2_file_t file); |
f12e285f | 1183 | extern errcode_t ext2fs_file_flush(ext2_file_t file); |
30fab293 | 1184 | extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf, |
79a90bda | 1185 | unsigned int wanted, unsigned int *got); |
f12e285f | 1186 | extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf, |
79a90bda | 1187 | unsigned int nbytes, unsigned int *written); |
819157db TT |
1188 | extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset, |
1189 | int whence, __u64 *ret_pos); | |
674a4ee1 TT |
1190 | extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset, |
1191 | int whence, ext2_off_t *ret_pos); | |
819157db | 1192 | errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size); |
79a90bda TT |
1193 | extern ext2_off_t ext2fs_file_get_size(ext2_file_t file); |
1194 | extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size); | |
27a0e958 | 1195 | extern errcode_t ext2fs_file_set_size2(ext2_file_t file, ext2_off64_t size); |
30fab293 | 1196 | |
de23aa1d TT |
1197 | /* finddev.c */ |
1198 | extern char *ext2fs_find_block_device(dev_t device); | |
1199 | ||
4d0f3e17 TT |
1200 | /* flushb.c */ |
1201 | extern errcode_t ext2fs_sync_device(int fd, int flushb); | |
1202 | ||
3839e657 TT |
1203 | /* freefs.c */ |
1204 | extern void ext2fs_free(ext2_filsys fs); | |
a29f4d30 | 1205 | extern void ext2fs_free_dblist(ext2_dblist dblist); |
b7a00563 TT |
1206 | extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb); |
1207 | extern void ext2fs_u32_list_free(ext2_u32_list bb); | |
50e1e10f | 1208 | |
a0553c9d TT |
1209 | /* gen_bitmap.c */ |
1210 | extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap); | |
efc6f628 TT |
1211 | extern errcode_t ext2fs_make_generic_bitmap(errcode_t magic, ext2_filsys fs, |
1212 | __u32 start, __u32 end, | |
a0553c9d TT |
1213 | __u32 real_end, |
1214 | const char *descr, char *init_map, | |
1215 | ext2fs_generic_bitmap *ret); | |
1216 | extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start, | |
1217 | __u32 end, | |
1218 | __u32 real_end, | |
1219 | const char *descr, | |
1220 | ext2fs_generic_bitmap *ret); | |
1221 | extern errcode_t ext2fs_copy_generic_bitmap(ext2fs_generic_bitmap src, | |
1222 | ext2fs_generic_bitmap *dest); | |
1223 | extern void ext2fs_clear_generic_bitmap(ext2fs_generic_bitmap bitmap); | |
1224 | extern errcode_t ext2fs_fudge_generic_bitmap_end(ext2fs_inode_bitmap bitmap, | |
efc6f628 | 1225 | errcode_t magic, |
a0553c9d | 1226 | errcode_t neq, |
efc6f628 | 1227 | ext2_ino_t end, |
a0553c9d TT |
1228 | ext2_ino_t *oend); |
1229 | extern void ext2fs_set_generic_bitmap_padding(ext2fs_generic_bitmap map); | |
50448d3d TT |
1230 | extern errcode_t ext2fs_resize_generic_bitmap(errcode_t magic, |
1231 | __u32 new_end, | |
1232 | __u32 new_real_end, | |
1233 | ext2fs_generic_bitmap bmap); | |
1234 | extern errcode_t ext2fs_compare_generic_bitmap(errcode_t magic, errcode_t neq, | |
1235 | ext2fs_generic_bitmap bm1, | |
1236 | ext2fs_generic_bitmap bm2); | |
f1f115a7 TT |
1237 | extern errcode_t ext2fs_get_generic_bitmap_range(ext2fs_generic_bitmap bmap, |
1238 | errcode_t magic, | |
1239 | __u32 start, __u32 num, | |
1240 | void *out); | |
1241 | extern errcode_t ext2fs_set_generic_bitmap_range(ext2fs_generic_bitmap bmap, | |
1242 | errcode_t magic, | |
1243 | __u32 start, __u32 num, | |
1244 | void *in); | |
664c3326 TT |
1245 | extern errcode_t ext2fs_find_first_zero_generic_bitmap(ext2fs_generic_bitmap bitmap, |
1246 | __u32 start, __u32 end, | |
1247 | __u32 *out); | |
a0553c9d | 1248 | |
8f82ef98 VAH |
1249 | /* gen_bitmap64.c */ |
1250 | void ext2fs_free_generic_bmap(ext2fs_generic_bitmap bmap); | |
1251 | errcode_t ext2fs_alloc_generic_bmap(ext2_filsys fs, errcode_t magic, | |
1252 | int type, __u64 start, __u64 end, | |
1253 | __u64 real_end, | |
1254 | const char *descr, | |
1255 | ext2fs_generic_bitmap *ret); | |
1256 | errcode_t ext2fs_copy_generic_bmap(ext2fs_generic_bitmap src, | |
1257 | ext2fs_generic_bitmap *dest); | |
1258 | void ext2fs_clear_generic_bmap(ext2fs_generic_bitmap bitmap); | |
1259 | errcode_t ext2fs_fudge_generic_bmap_end(ext2fs_generic_bitmap bitmap, | |
1260 | errcode_t neq, | |
1261 | __u64 end, __u64 *oend); | |
1262 | void ext2fs_set_generic_bmap_padding(ext2fs_generic_bitmap bmap); | |
1263 | errcode_t ext2fs_resize_generic_bmap(ext2fs_generic_bitmap bmap, | |
1264 | __u64 new_end, | |
1265 | __u64 new_real_end); | |
1266 | errcode_t ext2fs_compare_generic_bmap(errcode_t neq, | |
1267 | ext2fs_generic_bitmap bm1, | |
1268 | ext2fs_generic_bitmap bm2); | |
1269 | errcode_t ext2fs_get_generic_bmap_range(ext2fs_generic_bitmap bmap, | |
1270 | __u64 start, unsigned int num, | |
1271 | void *out); | |
1272 | errcode_t ext2fs_set_generic_bmap_range(ext2fs_generic_bitmap bmap, | |
1273 | __u64 start, unsigned int num, | |
1274 | void *in); | |
94968e74 TT |
1275 | errcode_t ext2fs_convert_subcluster_bitmap(ext2_filsys fs, |
1276 | ext2fs_block_bitmap *bitmap); | |
8f82ef98 | 1277 | |
bc0b1a89 TT |
1278 | /* get_num_dirs.c */ |
1279 | extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs); | |
1280 | ||
50e1e10f TT |
1281 | /* getsize.c */ |
1282 | extern errcode_t ext2fs_get_device_size(const char *file, int blocksize, | |
1283 | blk_t *retblocks); | |
beab8de4 JS |
1284 | extern errcode_t ext2fs_get_device_size2(const char *file, int blocksize, |
1285 | blk64_t *retblocks); | |
3839e657 | 1286 | |
93d5c387 | 1287 | /* getsectsize.c */ |
dd0a2679 | 1288 | extern int ext2fs_get_dio_alignment(int fd); |
93d5c387 | 1289 | errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize); |
bb1158b9 | 1290 | errcode_t ext2fs_get_device_phys_sectsize(const char *file, int *sectsize); |
93d5c387 | 1291 | |
1ca1059f TT |
1292 | /* i_block.c */ |
1293 | errcode_t ext2fs_iblk_add_blocks(ext2_filsys fs, struct ext2_inode *inode, | |
1294 | blk64_t num_blocks); | |
1295 | errcode_t ext2fs_iblk_sub_blocks(ext2_filsys fs, struct ext2_inode *inode, | |
1296 | blk64_t num_blocks); | |
1297 | errcode_t ext2fs_iblk_set(ext2_filsys fs, struct ext2_inode *inode, blk64_t b); | |
1298 | ||
72ed1264 TT |
1299 | /* imager.c */ |
1300 | extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags); | |
1301 | extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags); | |
1302 | extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags); | |
1303 | extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags); | |
1304 | extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags); | |
1305 | extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags); | |
1306 | ||
dc8ce346 TT |
1307 | /* ind_block.c */ |
1308 | errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf); | |
1309 | errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf); | |
1310 | ||
3839e657 TT |
1311 | /* initialize.c */ |
1312 | extern errcode_t ext2fs_initialize(const char *name, int flags, | |
1313 | struct ext2_super_block *param, | |
1314 | io_manager manager, ext2_filsys *ret_fs); | |
1315 | ||
f12e285f TT |
1316 | /* icount.c */ |
1317 | extern void ext2fs_free_icount(ext2_icount_t icount); | |
1b9d8cb7 TT |
1318 | extern errcode_t ext2fs_create_icount_tdb(ext2_filsys fs, char *tdb_dir, |
1319 | int flags, ext2_icount_t *ret); | |
efc6f628 | 1320 | extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags, |
54434927 | 1321 | unsigned int size, |
f12e285f | 1322 | ext2_icount_t hint, ext2_icount_t *ret); |
efc6f628 | 1323 | extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags, |
54434927 | 1324 | unsigned int size, |
f12e285f TT |
1325 | ext2_icount_t *ret); |
1326 | extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino, | |
1327 | __u16 *ret); | |
1328 | extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino, | |
1329 | __u16 *ret); | |
1330 | extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino, | |
1331 | __u16 *ret); | |
1332 | extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino, | |
1333 | __u16 count); | |
1334 | extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount); | |
1335 | errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *); | |
1336 | ||
ab3f5c5a TT |
1337 | /* inline.c */ |
1338 | ||
1339 | extern errcode_t ext2fs_get_memalign(unsigned long size, | |
1340 | unsigned long align, void *ptr); | |
1341 | ||
3839e657 | 1342 | /* inode.c */ |
603e5ebc | 1343 | extern void ext2fs_free_inode_cache(struct ext2_inode_cache *icache); |
72ed1264 | 1344 | extern errcode_t ext2fs_flush_icache(ext2_filsys fs); |
efc6f628 | 1345 | extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan, |
7331196a | 1346 | ext2_ino_t *ino, |
efc6f628 | 1347 | struct ext2_inode *inode, |
7331196a | 1348 | int bufsize); |
3839e657 TT |
1349 | extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, |
1350 | ext2_inode_scan *ret_scan); | |
1351 | extern void ext2fs_close_inode_scan(ext2_inode_scan scan); | |
31dbecd4 | 1352 | extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, |
3839e657 | 1353 | struct ext2_inode *inode); |
19c78dc0 TT |
1354 | extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, |
1355 | int group); | |
1356 | extern void ext2fs_set_inode_callback | |
1357 | (ext2_inode_scan scan, | |
1358 | errcode_t (*done_group)(ext2_filsys fs, | |
1359 | ext2_inode_scan scan, | |
1360 | dgrp_t group, | |
b5abe6fa | 1361 | void * priv_data), |
19c78dc0 TT |
1362 | void *done_group_data); |
1363 | extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, | |
1364 | int clear_flags); | |
7331196a | 1365 | extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1366 | struct ext2_inode * inode, |
7331196a | 1367 | int bufsize); |
31dbecd4 | 1368 | extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 1369 | struct ext2_inode * inode); |
7331196a | 1370 | extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1371 | struct ext2_inode * inode, |
7331196a | 1372 | int bufsize); |
31dbecd4 | 1373 | extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 1374 | struct ext2_inode * inode); |
030970ed TT |
1375 | extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino, |
1376 | struct ext2_inode * inode); | |
31dbecd4 TT |
1377 | extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
1378 | extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 1379 | |
f12e285f TT |
1380 | /* inode_io.c */ |
1381 | extern io_manager inode_io_manager; | |
efc6f628 | 1382 | extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino, |
546a1ff1 | 1383 | char **name); |
a435ec34 TT |
1384 | extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino, |
1385 | struct ext2_inode *inode, | |
1386 | char **name); | |
efc6f628 | 1387 | |
50e1e10f TT |
1388 | /* ismounted.c */ |
1389 | extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags); | |
43ec8734 TT |
1390 | extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags, |
1391 | char *mtpt, int mtlen); | |
50e1e10f | 1392 | |
3adb9374 | 1393 | /* punch.c */ |
4ee4ad80 DW |
1394 | /* |
1395 | * NOTE: This function removes from an inode the blocks "start", "end", and | |
1396 | * every block in between. | |
1397 | */ | |
3adb9374 TT |
1398 | extern errcode_t ext2fs_punch(ext2_filsys fs, ext2_ino_t ino, |
1399 | struct ext2_inode *inode, | |
1400 | char *block_buf, blk64_t start, | |
1401 | blk64_t end); | |
1402 | ||
3839e657 | 1403 | /* namei.c */ |
31dbecd4 TT |
1404 | extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name, |
1405 | int namelen, char *buf, ext2_ino_t *inode); | |
1406 | extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1407 | const char *name, ext2_ino_t *inode); | |
1408 | errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1409 | const char *name, ext2_ino_t *inode); | |
1410 | extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1411 | ext2_ino_t inode, ext2_ino_t *res_inode); | |
1e3472c5 TT |
1412 | |
1413 | /* native.c */ | |
1414 | int ext2fs_native_flag(void); | |
3839e657 TT |
1415 | |
1416 | /* newdir.c */ | |
31dbecd4 TT |
1417 | extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino, |
1418 | ext2_ino_t parent_ino, char **block); | |
3839e657 TT |
1419 | |
1420 | /* mkdir.c */ | |
31dbecd4 | 1421 | extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, |
3839e657 TT |
1422 | const char *name); |
1423 | ||
d3cd93ca | 1424 | /* mkjournal.c */ |
c8608504 TT |
1425 | extern errcode_t ext2fs_zero_blocks(ext2_filsys fs, blk_t blk, int num, |
1426 | blk_t *ret_blk, int *ret_count); | |
73d0c4cc | 1427 | extern errcode_t ext2fs_zero_blocks2(ext2_filsys fs, blk64_t blk, int num, |
931b58e1 | 1428 | blk64_t *ret_blk, int *ret_count); |
a112847b | 1429 | extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs, |
931b58e1 | 1430 | __u32 num_blocks, int flags, |
a112847b TT |
1431 | char **ret_jsb); |
1432 | extern errcode_t ext2fs_add_journal_device(ext2_filsys fs, | |
1433 | ext2_filsys journal_dev); | |
931b58e1 | 1434 | extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t num_blocks, |
31a17b36 | 1435 | int flags); |
931b58e1 | 1436 | extern int ext2fs_default_journal_size(__u64 num_blocks); |
d3cd93ca | 1437 | |
3839e657 TT |
1438 | /* openfs.c */ |
1439 | extern errcode_t ext2fs_open(const char *name, int flags, int superblock, | |
54434927 | 1440 | unsigned int block_size, io_manager manager, |
3839e657 | 1441 | ext2_filsys *ret_fs); |
efc6f628 TT |
1442 | extern errcode_t ext2fs_open2(const char *name, const char *io_options, |
1443 | int flags, int superblock, | |
2e8ca9a2 TT |
1444 | unsigned int block_size, io_manager manager, |
1445 | ext2_filsys *ret_fs); | |
4f8d6ab2 JS |
1446 | extern blk64_t ext2fs_descriptor_block_loc2(ext2_filsys fs, |
1447 | blk64_t group_block, dgrp_t i); | |
efc6f628 | 1448 | extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, |
c046ac7f | 1449 | dgrp_t i); |
1ad54a94 TT |
1450 | errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io); |
1451 | errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io); | |
1452 | errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io); | |
3839e657 TT |
1453 | |
1454 | /* get_pathname.c */ | |
31dbecd4 | 1455 | extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, |
3839e657 TT |
1456 | char **name); |
1457 | ||
1458 | /* link.c */ | |
31dbecd4 TT |
1459 | errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name, |
1460 | ext2_ino_t ino, int flags); | |
1461 | errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name, | |
1462 | ext2_ino_t ino, int flags); | |
3839e657 | 1463 | |
50840882 JK |
1464 | /* symlink.c */ |
1465 | errcode_t ext2fs_symlink(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t ino, | |
1466 | const char *name, char *target); | |
1467 | ||
0f5eba75 AD |
1468 | /* mmp.c */ |
1469 | errcode_t ext2fs_mmp_read(ext2_filsys fs, blk64_t mmp_blk, void *buf); | |
1470 | errcode_t ext2fs_mmp_write(ext2_filsys fs, blk64_t mmp_blk, void *buf); | |
1471 | errcode_t ext2fs_mmp_clear(ext2_filsys fs); | |
1472 | errcode_t ext2fs_mmp_init(ext2_filsys fs); | |
1473 | errcode_t ext2fs_mmp_start(ext2_filsys fs); | |
1474 | errcode_t ext2fs_mmp_update(ext2_filsys fs); | |
a9620d8b | 1475 | errcode_t ext2fs_mmp_update2(ext2_filsys fs, int immediately); |
0f5eba75 | 1476 | errcode_t ext2fs_mmp_stop(ext2_filsys fs); |
edbfd75d | 1477 | unsigned ext2fs_mmp_new_seq(void); |
0f5eba75 | 1478 | |
3839e657 | 1479 | /* read_bb.c */ |
19c78dc0 TT |
1480 | extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs, |
1481 | ext2_badblocks_list *bb_list); | |
3839e657 TT |
1482 | |
1483 | /* read_bb_file.c */ | |
efc6f628 | 1484 | extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, |
57dca854 | 1485 | ext2_badblocks_list *bb_list, |
50cd7e06 | 1486 | void *priv_data, |
57dca854 TT |
1487 | void (*invalid)(ext2_filsys fs, |
1488 | blk_t blk, | |
1489 | char *badstr, | |
50cd7e06 | 1490 | void *priv_data)); |
efc6f628 | 1491 | extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, |
19c78dc0 | 1492 | ext2_badblocks_list *bb_list, |
3839e657 TT |
1493 | void (*invalid)(ext2_filsys fs, |
1494 | blk_t blk)); | |
1495 | ||
d323f8fb TT |
1496 | /* res_gdt.c */ |
1497 | extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs); | |
1498 | ||
50e1e10f | 1499 | /* swapfs.c */ |
81683c6a DW |
1500 | extern errcode_t ext2fs_dirent_swab_in(ext2_filsys fs, char *buf, int flags); |
1501 | extern errcode_t ext2fs_dirent_swab_out(ext2_filsys fs, char *buf, int flags); | |
efc6f628 | 1502 | extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, |
7331196a | 1503 | int has_header); |
fefaef39 AD |
1504 | extern void ext2fs_swap_ext_attr_header(struct ext2_ext_attr_header *to_header, |
1505 | struct ext2_ext_attr_header *from_hdr); | |
1506 | extern void ext2fs_swap_ext_attr_entry(struct ext2_ext_attr_entry *to_entry, | |
1507 | struct ext2_ext_attr_entry *from_entry); | |
50e1e10f TT |
1508 | extern void ext2fs_swap_super(struct ext2_super_block * super); |
1509 | extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp); | |
cf828f1a | 1510 | extern void ext2fs_swap_group_desc2(ext2_filsys, struct ext2_group_desc *gdp); |
7331196a TT |
1511 | extern void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t, |
1512 | struct ext2_inode_large *f, int hostorder, | |
1513 | int bufsize); | |
1e3472c5 TT |
1514 | extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t, |
1515 | struct ext2_inode *f, int hostorder); | |
0f5eba75 | 1516 | extern void ext2fs_swap_mmp(struct mmp_struct *mmp); |
1e3472c5 | 1517 | |
ab3f5c5a TT |
1518 | /* unix_io.c */ |
1519 | extern int ext2fs_open_file(const char *pathname, int flags, mode_t mode); | |
1520 | extern int ext2fs_stat(const char *path, ext2fs_struct_stat *buf); | |
1521 | extern int ext2fs_fstat(int fd, ext2fs_struct_stat *buf); | |
1522 | ||
19c78dc0 | 1523 | /* valid_blk.c */ |
521e3685 | 1524 | extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode); |
0c80c44b TT |
1525 | extern int ext2fs_inode_has_valid_blocks2(ext2_filsys fs, |
1526 | struct ext2_inode *inode); | |
521e3685 TT |
1527 | |
1528 | /* version.c */ | |
1529 | extern int ext2fs_parse_version_string(const char *ver_string); | |
1530 | extern int ext2fs_get_library_version(const char **ver_string, | |
1531 | const char **date_string); | |
50e1e10f | 1532 | |
31dbecd4 TT |
1533 | /* write_bb_file.c */ |
1534 | extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list, | |
1535 | unsigned int flags, | |
1536 | FILE *f); | |
1537 | ||
1538 | ||
3839e657 | 1539 | /* inline functions */ |
ab3f5c5a | 1540 | #ifdef NO_INLINE_FUNCS |
4ffbe3af | 1541 | extern void ext2fs_init_csum_seed(ext2_filsys fs); |
c4e3d3f3 | 1542 | extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr); |
d32c915a TT |
1543 | extern errcode_t ext2fs_get_memzero(unsigned long size, void *ptr); |
1544 | extern errcode_t ext2fs_get_array(unsigned long count, | |
1545 | unsigned long size, void *ptr); | |
1546 | extern errcode_t ext2fs_get_arrayzero(unsigned long count, | |
1547 | unsigned long size, void *ptr); | |
c4e3d3f3 | 1548 | extern errcode_t ext2fs_free_mem(void *ptr); |
76f875da | 1549 | extern errcode_t ext2fs_resize_mem(unsigned long old_size, |
c4e3d3f3 | 1550 | unsigned long size, void *ptr); |
3839e657 TT |
1551 | extern void ext2fs_mark_super_dirty(ext2_filsys fs); |
1552 | extern void ext2fs_mark_changed(ext2_filsys fs); | |
1553 | extern int ext2fs_test_changed(ext2_filsys fs); | |
1554 | extern void ext2fs_mark_valid(ext2_filsys fs); | |
1555 | extern void ext2fs_unmark_valid(ext2_filsys fs); | |
1556 | extern int ext2fs_test_valid(ext2_filsys fs); | |
1557 | extern void ext2fs_mark_ib_dirty(ext2_filsys fs); | |
1558 | extern void ext2fs_mark_bb_dirty(ext2_filsys fs); | |
1559 | extern int ext2fs_test_ib_dirty(ext2_filsys fs); | |
1560 | extern int ext2fs_test_bb_dirty(ext2_filsys fs); | |
1561 | extern int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk); | |
31dbecd4 | 1562 | extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino); |
abf23439 ES |
1563 | extern blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group); |
1564 | extern blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group); | |
0684a4f3 TT |
1565 | extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
1566 | struct ext2_inode *inode); | |
69022e02 | 1567 | extern unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b); |
743011fb | 1568 | extern __u64 ext2fs_div64_ceil(__u64 a, __u64 b); |
ab3f5c5a | 1569 | #endif |
3839e657 TT |
1570 | |
1571 | /* | |
1572 | * The actual inlined functions definitions themselves... | |
1573 | * | |
1574 | * If NO_INLINE_FUNCS is defined, then we won't try to do inline | |
1575 | * functions at all! | |
1576 | */ | |
1577 | #if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS)) | |
1578 | #ifdef INCLUDE_INLINE_FUNCS | |
1579 | #define _INLINE_ extern | |
1580 | #else | |
ab3f5c5a TT |
1581 | #if (__STDC_VERSION__ >= 199901L) |
1582 | #define _INLINE_ inline | |
1583 | #else | |
76f875da | 1584 | #ifdef __GNUC__ |
3839e657 | 1585 | #define _INLINE_ extern __inline__ |
76f875da TT |
1586 | #else /* For Watcom C */ |
1587 | #define _INLINE_ extern inline | |
ab3f5c5a TT |
1588 | #endif /* __GNUC__ */ |
1589 | #endif /* __STDC_VERSION__ >= 199901L */ | |
3839e657 TT |
1590 | #endif |
1591 | ||
4ffbe3af DW |
1592 | _INLINE_ void ext2fs_init_csum_seed(ext2_filsys fs) |
1593 | { | |
1594 | if (!EXT2_HAS_RO_COMPAT_FEATURE(fs->super, | |
1595 | EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) | |
1596 | return; | |
1597 | ||
1598 | fs->csum_seed = ext2fs_crc32c_le(~0, fs->super->s_uuid, | |
1599 | sizeof(fs->super->s_uuid)); | |
1600 | } | |
1601 | ||
daf57eaa TT |
1602 | #ifndef EXT2_CUSTOM_MEMORY_ROUTINES |
1603 | #include <string.h> | |
7b4e4534 TT |
1604 | /* |
1605 | * Allocate memory | |
1606 | */ | |
c4e3d3f3 | 1607 | _INLINE_ errcode_t ext2fs_get_mem(unsigned long size, void *ptr) |
7b4e4534 | 1608 | { |
2694f319 | 1609 | void *pp; |
c4e3d3f3 | 1610 | |
2694f319 TT |
1611 | pp = malloc(size); |
1612 | if (!pp) | |
291c9049 | 1613 | return EXT2_ET_NO_MEMORY; |
2694f319 | 1614 | memcpy(ptr, &pp, sizeof (pp)); |
7b4e4534 TT |
1615 | return 0; |
1616 | } | |
e5aace90 | 1617 | |
ffec46fe LC |
1618 | _INLINE_ errcode_t ext2fs_get_memzero(unsigned long size, void *ptr) |
1619 | { | |
1620 | void *pp; | |
1621 | ||
1622 | pp = malloc(size); | |
1623 | if (!pp) | |
1624 | return EXT2_ET_NO_MEMORY; | |
1625 | memset(pp, 0, size); | |
1626 | memcpy(ptr, &pp, sizeof(pp)); | |
1627 | return 0; | |
1628 | } | |
1629 | ||
ee01079a TT |
1630 | _INLINE_ errcode_t ext2fs_get_array(unsigned long count, unsigned long size, void *ptr) |
1631 | { | |
1632 | if (count && (-1UL)/count<size) | |
ffec46fe | 1633 | return EXT2_ET_NO_MEMORY; |
ee01079a TT |
1634 | return ext2fs_get_mem(count*size, ptr); |
1635 | } | |
7b4e4534 | 1636 | |
ffec46fe LC |
1637 | _INLINE_ errcode_t ext2fs_get_arrayzero(unsigned long count, |
1638 | unsigned long size, void *ptr) | |
1639 | { | |
1640 | void *pp; | |
1641 | ||
1642 | if (count && (-1UL)/count<size) | |
1643 | return EXT2_ET_NO_MEMORY; | |
1644 | pp = calloc(count, size); | |
1645 | if (!pp) | |
1646 | return EXT2_ET_NO_MEMORY; | |
1647 | memcpy(ptr, &pp, sizeof(pp)); | |
1648 | return 0; | |
1649 | } | |
1650 | ||
7b4e4534 TT |
1651 | /* |
1652 | * Free memory | |
1653 | */ | |
c4e3d3f3 | 1654 | _INLINE_ errcode_t ext2fs_free_mem(void *ptr) |
7b4e4534 | 1655 | { |
2694f319 | 1656 | void *p; |
c4e3d3f3 | 1657 | |
2694f319 TT |
1658 | memcpy(&p, ptr, sizeof(p)); |
1659 | free(p); | |
1660 | p = 0; | |
1661 | memcpy(ptr, &p, sizeof(p)); | |
7b4e4534 TT |
1662 | return 0; |
1663 | } | |
efc6f628 | 1664 | |
7b4e4534 TT |
1665 | /* |
1666 | * Resize memory | |
1667 | */ | |
e47fd841 | 1668 | _INLINE_ errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size, |
c4e3d3f3 | 1669 | unsigned long size, void *ptr) |
7b4e4534 TT |
1670 | { |
1671 | void *p; | |
1672 | ||
39c191f5 ST |
1673 | /* Use "memcpy" for pointer assignments here to avoid problems |
1674 | * with C99 strict type aliasing rules. */ | |
2694f319 | 1675 | memcpy(&p, ptr, sizeof(p)); |
39c191f5 | 1676 | p = realloc(p, size); |
7b4e4534 | 1677 | if (!p) |
291c9049 | 1678 | return EXT2_ET_NO_MEMORY; |
2694f319 | 1679 | memcpy(ptr, &p, sizeof(p)); |
7b4e4534 TT |
1680 | return 0; |
1681 | } | |
1682 | #endif /* Custom memory routines */ | |
1683 | ||
3839e657 TT |
1684 | /* |
1685 | * Mark a filesystem superblock as dirty | |
1686 | */ | |
1687 | _INLINE_ void ext2fs_mark_super_dirty(ext2_filsys fs) | |
1688 | { | |
1689 | fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_CHANGED; | |
1690 | } | |
1691 | ||
1692 | /* | |
1693 | * Mark a filesystem as changed | |
1694 | */ | |
1695 | _INLINE_ void ext2fs_mark_changed(ext2_filsys fs) | |
1696 | { | |
1697 | fs->flags |= EXT2_FLAG_CHANGED; | |
1698 | } | |
1699 | ||
1700 | /* | |
1701 | * Check to see if a filesystem has changed | |
1702 | */ | |
1703 | _INLINE_ int ext2fs_test_changed(ext2_filsys fs) | |
1704 | { | |
1705 | return (fs->flags & EXT2_FLAG_CHANGED); | |
1706 | } | |
1707 | ||
1708 | /* | |
1709 | * Mark a filesystem as valid | |
1710 | */ | |
1711 | _INLINE_ void ext2fs_mark_valid(ext2_filsys fs) | |
1712 | { | |
1713 | fs->flags |= EXT2_FLAG_VALID; | |
1714 | } | |
1715 | ||
1716 | /* | |
1717 | * Mark a filesystem as NOT valid | |
1718 | */ | |
1719 | _INLINE_ void ext2fs_unmark_valid(ext2_filsys fs) | |
1720 | { | |
1721 | fs->flags &= ~EXT2_FLAG_VALID; | |
1722 | } | |
1723 | ||
1724 | /* | |
1725 | * Check to see if a filesystem is valid | |
1726 | */ | |
1727 | _INLINE_ int ext2fs_test_valid(ext2_filsys fs) | |
1728 | { | |
1729 | return (fs->flags & EXT2_FLAG_VALID); | |
1730 | } | |
1731 | ||
1732 | /* | |
1733 | * Mark the inode bitmap as dirty | |
1734 | */ | |
1735 | _INLINE_ void ext2fs_mark_ib_dirty(ext2_filsys fs) | |
1736 | { | |
1737 | fs->flags |= EXT2_FLAG_IB_DIRTY | EXT2_FLAG_CHANGED; | |
1738 | } | |
1739 | ||
1740 | /* | |
1741 | * Mark the block bitmap as dirty | |
1742 | */ | |
1743 | _INLINE_ void ext2fs_mark_bb_dirty(ext2_filsys fs) | |
1744 | { | |
1745 | fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_CHANGED; | |
1746 | } | |
1747 | ||
1748 | /* | |
1749 | * Check to see if a filesystem's inode bitmap is dirty | |
1750 | */ | |
1751 | _INLINE_ int ext2fs_test_ib_dirty(ext2_filsys fs) | |
1752 | { | |
1753 | return (fs->flags & EXT2_FLAG_IB_DIRTY); | |
1754 | } | |
1755 | ||
1756 | /* | |
1757 | * Check to see if a filesystem's block bitmap is dirty | |
1758 | */ | |
1759 | _INLINE_ int ext2fs_test_bb_dirty(ext2_filsys fs) | |
1760 | { | |
1761 | return (fs->flags & EXT2_FLAG_BB_DIRTY); | |
1762 | } | |
1763 | ||
1764 | /* | |
1765 | * Return the group # of a block | |
1766 | */ | |
1767 | _INLINE_ int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk) | |
1768 | { | |
e3854b3b | 1769 | return ext2fs_group_of_blk2(fs, blk); |
3839e657 | 1770 | } |
3839e657 TT |
1771 | /* |
1772 | * Return the group # of an inode number | |
1773 | */ | |
31dbecd4 | 1774 | _INLINE_ int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino) |
3839e657 TT |
1775 | { |
1776 | return (ino - 1) / fs->super->s_inodes_per_group; | |
1777 | } | |
0684a4f3 | 1778 | |
abf23439 ES |
1779 | /* |
1780 | * Return the first block (inclusive) in a group | |
1781 | */ | |
1782 | _INLINE_ blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group) | |
1783 | { | |
e3854b3b | 1784 | return ext2fs_group_first_block2(fs, group); |
abf23439 ES |
1785 | } |
1786 | ||
1787 | /* | |
1788 | * Return the last block (inclusive) in a group | |
1789 | */ | |
1790 | _INLINE_ blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group) | |
1791 | { | |
e3854b3b | 1792 | return ext2fs_group_last_block2(fs, group); |
abf23439 ES |
1793 | } |
1794 | ||
0684a4f3 TT |
1795 | _INLINE_ blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
1796 | struct ext2_inode *inode) | |
1797 | { | |
e3854b3b | 1798 | return ext2fs_inode_data_blocks2(fs, inode); |
0684a4f3 | 1799 | } |
69022e02 TT |
1800 | |
1801 | /* | |
1802 | * This is an efficient, overflow safe way of calculating ceil((1.0 * a) / b) | |
1803 | */ | |
1804 | _INLINE_ unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b) | |
1805 | { | |
1806 | if (!a) | |
1807 | return 0; | |
1808 | return ((a - 1) / b) + 1; | |
1809 | } | |
743011fb JS |
1810 | |
1811 | _INLINE_ __u64 ext2fs_div64_ceil(__u64 a, __u64 b) | |
1812 | { | |
1813 | if (!a) | |
1814 | return 0; | |
1815 | return ((a - 1) / b) + 1; | |
1816 | } | |
1817 | ||
70f4632b JK |
1818 | _INLINE_ int ext2fs_dirent_name_len(const struct ext2_dir_entry *entry) |
1819 | { | |
1820 | return entry->name_len & 0xff; | |
1821 | } | |
1822 | ||
1823 | _INLINE_ void ext2fs_dirent_set_name_len(struct ext2_dir_entry *entry, int len) | |
1824 | { | |
1825 | entry->name_len = (entry->name_len & 0xff00) | (len & 0xff); | |
1826 | } | |
1827 | ||
1828 | _INLINE_ int ext2fs_dirent_file_type(const struct ext2_dir_entry *entry) | |
1829 | { | |
1830 | return entry->name_len >> 8; | |
1831 | } | |
1832 | ||
1833 | _INLINE_ void ext2fs_dirent_set_file_type(struct ext2_dir_entry *entry, int type) | |
1834 | { | |
1835 | entry->name_len = (entry->name_len & 0xff) | (type << 8); | |
1836 | } | |
1837 | ||
3839e657 TT |
1838 | #undef _INLINE_ |
1839 | #endif | |
1840 | ||
fa7ef717 TT |
1841 | #ifdef __cplusplus |
1842 | } | |
1843 | #endif | |
1844 | ||
9abd2ce9 | 1845 | #endif /* _EXT2FS_EXT2FS_H */ |