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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 | ||
749f0712 TT |
21 | #ifdef CONFIG_TDB |
22 | #define EXT2FS_NO_TDB_UNUSED | |
23 | #else | |
24 | #define EXT2FS_NO_TDB_UNUSED EXT2FS_ATTR((unused)) | |
25 | #endif | |
26 | ||
fa7ef717 TT |
27 | #ifdef __cplusplus |
28 | extern "C" { | |
29 | #endif | |
30 | ||
19c78dc0 TT |
31 | /* |
32 | * Non-GNU C compilers won't necessarily understand inline | |
33 | */ | |
76f875da | 34 | #if (!defined(__GNUC__) && !defined(__WATCOMC__)) |
19c78dc0 TT |
35 | #define NO_INLINE_FUNCS |
36 | #endif | |
37 | ||
3839e657 TT |
38 | /* |
39 | * Where the master copy of the superblock is located, and how big | |
40 | * superblocks are supposed to be. We define SUPERBLOCK_SIZE because | |
41 | * the size of the superblock structure is not necessarily trustworthy | |
42 | * (some versions have the padding set up so that the superblock is | |
43 | * 1032 bytes long). | |
44 | */ | |
45 | #define SUPERBLOCK_OFFSET 1024 | |
1ac2aa23 | 46 | #define SUPERBLOCK_SIZE 1024 |
3839e657 | 47 | |
9c2c1e9a AK |
48 | #define UUID_STR_SIZE 37 |
49 | ||
f3db3566 TT |
50 | /* |
51 | * The last ext2fs revision level that this version of the library is | |
52 | * able to support. | |
53 | */ | |
e5b38a5f | 54 | #define EXT2_LIB_CURRENT_REV EXT2_DYNAMIC_REV |
f3db3566 | 55 | |
d40259fd | 56 | #ifdef HAVE_SYS_TYPES_H |
1e3472c5 | 57 | #include <sys/types.h> |
d40259fd TT |
58 | #endif |
59 | ||
3e699064 | 60 | #include <stdio.h> |
5be8dc21 | 61 | #include <stdlib.h> |
a82a5702 | 62 | #include <string.h> |
05e7f37a | 63 | #include <time.h> |
023a1df0 | 64 | #include <errno.h> |
1ac2aa23 | 65 | |
5953b9de TT |
66 | #if EXT2_FLAT_INCLUDES |
67 | #include "e2_types.h" | |
3e699064 | 68 | #include "ext2_fs.h" |
89dd6570 | 69 | #include "ext3_extents.h" |
5953b9de | 70 | #else |
797f5ef1 | 71 | #include <ext2fs/ext2_types.h> |
3e699064 | 72 | #include <ext2fs/ext2_fs.h> |
89dd6570 | 73 | #include <ext2fs/ext3_extents.h> |
e589f678 | 74 | #endif /* EXT2_FLAT_INCLUDES */ |
50e1e10f | 75 | |
832cb612 DW |
76 | typedef __u32 __bitwise ext2_ino_t; |
77 | typedef __u32 __bitwise blk_t; | |
78 | typedef __u64 __bitwise blk64_t; | |
79 | typedef __u32 __bitwise dgrp_t; | |
80 | typedef __u32 __bitwise ext2_off_t; | |
81 | typedef __u64 __bitwise ext2_off64_t; | |
82 | typedef __s64 __bitwise e2_blkcnt_t; | |
83 | typedef __u32 __bitwise ext2_dirhash_t; | |
3839e657 | 84 | |
b5abe6fa TT |
85 | #if EXT2_FLAT_INCLUDES |
86 | #include "com_err.h" | |
87 | #include "ext2_io.h" | |
88 | #include "ext2_err.h" | |
fefaef39 | 89 | #include "ext2_ext_attr.h" |
b5abe6fa | 90 | #else |
7c2d2569 TT |
91 | #include <et/com_err.h> |
92 | #include <ext2fs/ext2_io.h> | |
93 | #include <ext2fs/ext2_err.h> | |
fefaef39 | 94 | #include <ext2fs/ext2_ext_attr.h> |
b5abe6fa | 95 | #endif |
3839e657 | 96 | |
4c77fe50 TT |
97 | /* |
98 | * Portability help for Microsoft Visual C++ | |
99 | */ | |
100 | #ifdef _MSC_VER | |
101 | #define EXT2_QSORT_TYPE int __cdecl | |
102 | #else | |
103 | #define EXT2_QSORT_TYPE int | |
104 | #endif | |
105 | ||
f3db3566 TT |
106 | typedef struct struct_ext2_filsys *ext2_filsys; |
107 | ||
1e3472c5 TT |
108 | #define EXT2FS_MARK_ERROR 0 |
109 | #define EXT2FS_UNMARK_ERROR 1 | |
110 | #define EXT2FS_TEST_ERROR 2 | |
f3db3566 | 111 | |
1e3472c5 | 112 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_generic_bitmap; |
1e3472c5 | 113 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_inode_bitmap; |
1e3472c5 | 114 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_block_bitmap; |
f3db3566 | 115 | |
7f88b043 | 116 | #define EXT2_FIRST_INODE(s) EXT2_FIRST_INO(s) |
067911ae | 117 | |
7f88b043 | 118 | |
19c78dc0 | 119 | /* |
067911ae | 120 | * Badblocks list definitions |
19c78dc0 TT |
121 | */ |
122 | ||
b7a00563 TT |
123 | typedef struct ext2_struct_u32_list *ext2_badblocks_list; |
124 | typedef struct ext2_struct_u32_iterate *ext2_badblocks_iterate; | |
125 | ||
126 | typedef struct ext2_struct_u32_list *ext2_u32_list; | |
127 | typedef struct ext2_struct_u32_iterate *ext2_u32_iterate; | |
19c78dc0 TT |
128 | |
129 | /* old */ | |
b7a00563 TT |
130 | typedef struct ext2_struct_u32_list *badblocks_list; |
131 | typedef struct ext2_struct_u32_iterate *badblocks_iterate; | |
19c78dc0 TT |
132 | |
133 | #define BADBLOCKS_FLAG_DIRTY 1 | |
134 | ||
135 | /* | |
136 | * ext2_dblist structure and abstractions (see dblist.c) | |
137 | */ | |
ab13b5a9 TT |
138 | struct ext2_db_entry2 { |
139 | ext2_ino_t ino; | |
140 | blk64_t blk; | |
141 | e2_blkcnt_t blockcnt; | |
142 | }; | |
143 | ||
144 | /* Ye Olde 32-bit version */ | |
19c78dc0 | 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 |
39c47ce6 | 190 | #define EXT2_FLAG_EXCLUSIVE 0x4000 |
cf8272e1 | 191 | #define EXT2_FLAG_SOFTSUPP_FEATURES 0x8000 |
ab52e12a | 192 | #define EXT2_FLAG_NOFREE_ON_ERROR 0x10000 |
69365c68 | 193 | #define EXT2_FLAG_64BITS 0x20000 |
95fd65bb | 194 | #define EXT2_FLAG_PRINT_PROGRESS 0x40000 |
73fbe232 | 195 | #define EXT2_FLAG_DIRECT_IO 0x80000 |
0f5eba75 | 196 | #define EXT2_FLAG_SKIP_MMP 0x100000 |
5d914d72 | 197 | #define EXT2_FLAG_IGNORE_CSUM_ERRORS 0x200000 |
3839e657 | 198 | |
7f88b043 TT |
199 | /* |
200 | * Special flag in the ext2 inode i_flag field that means that this is | |
201 | * a new inode. (So that ext2_write_inode() can clear extra fields.) | |
202 | */ | |
203 | #define EXT2_NEW_INODE_FL 0x80000000 | |
204 | ||
4e246704 TT |
205 | /* |
206 | * Flags for mkjournal | |
4e246704 | 207 | */ |
6c54689f AD |
208 | #define EXT2_MKJOURNAL_V1_SUPER 0x0000001 /* create V1 superblock (deprecated) */ |
209 | #define EXT2_MKJOURNAL_LAZYINIT 0x0000002 /* don't zero journal inode before use*/ | |
304e11c2 | 210 | #define EXT2_MKJOURNAL_NO_MNT_CHECK 0x0000004 /* don't check mount status */ |
4e246704 | 211 | |
efe0b401 ES |
212 | struct opaque_ext2_group_desc; |
213 | ||
3839e657 | 214 | struct struct_ext2_filsys { |
4cbe8af4 | 215 | errcode_t magic; |
3839e657 TT |
216 | io_channel io; |
217 | int flags; | |
218 | char * device_name; | |
219 | struct ext2_super_block * super; | |
54434927 | 220 | unsigned int blocksize; |
3fbfad55 | 221 | int fragsize; |
2eb374c9 | 222 | dgrp_t group_desc_count; |
3839e657 | 223 | unsigned long desc_blocks; |
efe0b401 | 224 | struct opaque_ext2_group_desc * group_desc; |
d32c915a | 225 | unsigned int inode_blocks_per_group; |
f3db3566 TT |
226 | ext2fs_inode_bitmap inode_map; |
227 | ext2fs_block_bitmap block_map; | |
6d8b37fa | 228 | /* XXX FIXME-64: not 64-bit safe, but not used? */ |
31dbecd4 TT |
229 | errcode_t (*get_blocks)(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
230 | errcode_t (*check_directory)(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 231 | errcode_t (*write_bitmaps)(ext2_filsys fs); |
31dbecd4 | 232 | errcode_t (*read_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 233 | struct ext2_inode *inode); |
31dbecd4 | 234 | errcode_t (*write_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 235 | struct ext2_inode *inode); |
b7a00563 | 236 | ext2_badblocks_list badblocks; |
19c78dc0 | 237 | ext2_dblist dblist; |
a29f4d30 | 238 | __u32 stride; /* for mke2fs */ |
c180ac86 | 239 | struct ext2_super_block * orig_super; |
a78926ef | 240 | struct ext2_image_hdr * image_header; |
6a525069 | 241 | __u32 umask; |
9b9a780f | 242 | time_t now; |
3fbfad55 | 243 | int cluster_ratio_bits; |
67861e5b TT |
244 | __u16 default_bitmap_type; |
245 | __u16 pad; | |
19c78dc0 TT |
246 | /* |
247 | * Reserved for future expansion | |
248 | */ | |
67861e5b | 249 | __u32 reserved[5]; |
3839e657 TT |
250 | |
251 | /* | |
a29f4d30 | 252 | * Reserved for the use of the calling application. |
3839e657 | 253 | */ |
b5abe6fa | 254 | void * priv_data; |
a29f4d30 TT |
255 | |
256 | /* | |
257 | * Inode cache | |
258 | */ | |
259 | struct ext2_inode_cache *icache; | |
1ad54a94 | 260 | io_channel image_io; |
f5c562e2 | 261 | |
5fff8636 TT |
262 | /* |
263 | * More callback functions | |
264 | */ | |
265 | errcode_t (*get_alloc_block)(ext2_filsys fs, blk64_t goal, | |
266 | blk64_t *ret); | |
267 | void (*block_alloc_stats)(ext2_filsys fs, blk64_t blk, int inuse); | |
268 | ||
0f5eba75 AD |
269 | /* |
270 | * Buffers for Multiple mount protection(MMP) block. | |
271 | */ | |
272 | void *mmp_buf; | |
273 | void *mmp_cmp; | |
274 | int mmp_fd; | |
275 | ||
276 | /* | |
277 | * Time at which e2fsck last updated the MMP block. | |
278 | */ | |
279 | long mmp_last_written; | |
dfe74c5c TT |
280 | |
281 | /* progress operation functions */ | |
282 | struct ext2fs_progress_ops *progress_ops; | |
4ffbe3af DW |
283 | |
284 | /* Precomputed FS UUID checksum for seeding other checksums */ | |
285 | __u32 csum_seed; | |
759c46cf DW |
286 | |
287 | io_channel journal_io; | |
288 | char *journal_name; | |
647e8786 DW |
289 | |
290 | /* New block range allocation hooks */ | |
291 | errcode_t (*new_range)(ext2_filsys fs, int flags, blk64_t goal, | |
292 | blk64_t len, blk64_t *pblk, blk64_t *plen); | |
293 | void (*block_alloc_stats_range)(ext2_filsys fs, blk64_t blk, blk_t num, | |
294 | int inuse); | |
3839e657 TT |
295 | }; |
296 | ||
5953b9de TT |
297 | #if EXT2_FLAT_INCLUDES |
298 | #include "e2_bitops.h" | |
299 | #else | |
7c2d2569 | 300 | #include <ext2fs/bitops.h> |
5953b9de | 301 | #endif |
d40259fd | 302 | |
67861e5b TT |
303 | /* |
304 | * 64-bit bitmap backend types | |
305 | */ | |
67861e5b | 306 | #define EXT2FS_BMAP64_BITARRAY 1 |
c1359d91 | 307 | #define EXT2FS_BMAP64_RBTREE 2 |
d182831a | 308 | #define EXT2FS_BMAP64_AUTODIR 3 |
67861e5b | 309 | |
3839e657 TT |
310 | /* |
311 | * Return flags for the block iterator functions | |
312 | */ | |
416c1de9 ZL |
313 | #define BLOCK_CHANGED 1 |
314 | #define BLOCK_ABORT 2 | |
315 | #define BLOCK_ERROR 4 | |
316 | #define BLOCK_INLINE_DATA_CHANGED 8 | |
3839e657 TT |
317 | |
318 | /* | |
319 | * Block interate flags | |
50e1e10f TT |
320 | * |
321 | * BLOCK_FLAG_APPEND, or BLOCK_FLAG_HOLE, indicates that the interator | |
322 | * function should be called on blocks where the block number is zero. | |
323 | * This is used by ext2fs_expand_dir() to be able to add a new block | |
324 | * to an inode. It can also be used for programs that want to be able | |
325 | * to deal with files that contain "holes". | |
efc6f628 | 326 | * |
7447921d TT |
327 | * BLOCK_FLAG_DEPTH_TRAVERSE indicates that the iterator function for |
328 | * the indirect, doubly indirect, etc. blocks should be called after | |
055866d8 | 329 | * all of the blocks contained in the indirect blocks are processed. |
50e1e10f TT |
330 | * This is useful if you are going to be deallocating blocks from an |
331 | * inode. | |
1e3472c5 TT |
332 | * |
333 | * BLOCK_FLAG_DATA_ONLY indicates that the iterator function should be | |
334 | * called for data blocks only. | |
674a4ee1 | 335 | * |
efc6f628 | 336 | * BLOCK_FLAG_READ_ONLY is a promise by the caller that it will not |
357d1863 TT |
337 | * modify returned block number. |
338 | * | |
674a4ee1 | 339 | * BLOCK_FLAG_NO_LARGE is for internal use only. It informs |
36a43d67 | 340 | * ext2fs_block_iterate2 that large files won't be accepted. |
3839e657 TT |
341 | */ |
342 | #define BLOCK_FLAG_APPEND 1 | |
50e1e10f | 343 | #define BLOCK_FLAG_HOLE 1 |
3839e657 | 344 | #define BLOCK_FLAG_DEPTH_TRAVERSE 2 |
1e3472c5 | 345 | #define BLOCK_FLAG_DATA_ONLY 4 |
357d1863 | 346 | #define BLOCK_FLAG_READ_ONLY 8 |
1e3472c5 | 347 | |
674a4ee1 TT |
348 | #define BLOCK_FLAG_NO_LARGE 0x1000 |
349 | ||
1e3472c5 TT |
350 | /* |
351 | * Magic "block count" return values for the block iterator function. | |
352 | */ | |
353 | #define BLOCK_COUNT_IND (-1) | |
354 | #define BLOCK_COUNT_DIND (-2) | |
355 | #define BLOCK_COUNT_TIND (-3) | |
356 | #define BLOCK_COUNT_TRANSLATOR (-4) | |
3839e657 | 357 | |
4a31c48b | 358 | #if 0 |
1e1da29f TT |
359 | /* |
360 | * Flags for ext2fs_move_blocks | |
361 | */ | |
efc6f628 | 362 | #define EXT2_BMOVE_GET_DBLIST 0x0001 |
36f21439 | 363 | #define EXT2_BMOVE_DEBUG 0x0002 |
4a31c48b | 364 | #endif |
1e1da29f | 365 | |
3eb07f64 TT |
366 | /* |
367 | * Generic (non-filesystem layout specific) extents structure | |
368 | */ | |
369 | ||
370 | #define EXT2_EXTENT_FLAGS_LEAF 0x0001 | |
371 | #define EXT2_EXTENT_FLAGS_UNINIT 0x0002 | |
372 | #define EXT2_EXTENT_FLAGS_SECOND_VISIT 0x0004 | |
373 | ||
374 | struct ext2fs_extent { | |
375 | blk64_t e_pblk; /* first physical block */ | |
376 | blk64_t e_lblk; /* first logical block extent covers */ | |
377 | __u32 e_len; /* number of blocks covered by extent */ | |
378 | __u32 e_flags; /* extent flags */ | |
379 | }; | |
380 | ||
381 | typedef struct ext2_extent_handle *ext2_extent_handle_t; | |
382 | typedef struct ext2_extent_path *ext2_extent_path_t; | |
383 | ||
384 | /* | |
385 | * Flags used by ext2fs_extent_get() | |
386 | */ | |
387 | #define EXT2_EXTENT_CURRENT 0x0000 | |
388 | #define EXT2_EXTENT_MOVE_MASK 0x000F | |
389 | #define EXT2_EXTENT_ROOT 0x0001 | |
390 | #define EXT2_EXTENT_LAST_LEAF 0x0002 | |
391 | #define EXT2_EXTENT_FIRST_SIB 0x0003 | |
392 | #define EXT2_EXTENT_LAST_SIB 0x0004 | |
393 | #define EXT2_EXTENT_NEXT_SIB 0x0005 | |
394 | #define EXT2_EXTENT_PREV_SIB 0x0006 | |
395 | #define EXT2_EXTENT_NEXT_LEAF 0x0007 | |
396 | #define EXT2_EXTENT_PREV_LEAF 0x0008 | |
397 | #define EXT2_EXTENT_NEXT 0x0009 | |
398 | #define EXT2_EXTENT_PREV 0x000A | |
399 | #define EXT2_EXTENT_UP 0x000B | |
400 | #define EXT2_EXTENT_DOWN 0x000C | |
401 | #define EXT2_EXTENT_DOWN_AND_LAST 0x000D | |
402 | ||
403 | /* | |
404 | * Flags used by ext2fs_extent_insert() | |
405 | */ | |
01229db5 ES |
406 | #define EXT2_EXTENT_INSERT_AFTER 0x0001 /* insert after handle loc'n */ |
407 | #define EXT2_EXTENT_INSERT_NOSPLIT 0x0002 /* insert may not cause split */ | |
3eb07f64 | 408 | |
c802ad9e ES |
409 | /* |
410 | * Flags used by ext2fs_extent_delete() | |
411 | */ | |
055866d8 | 412 | #define EXT2_EXTENT_DELETE_KEEP_EMPTY 0x001 /* keep node if last extent gone */ |
c802ad9e | 413 | |
f4e9963c ES |
414 | /* |
415 | * Flags used by ext2fs_extent_set_bmap() | |
416 | */ | |
417 | #define EXT2_EXTENT_SET_BMAP_UNINIT 0x0001 | |
418 | ||
3eb07f64 TT |
419 | /* |
420 | * Data structure returned by ext2fs_extent_get_info() | |
421 | */ | |
422 | struct ext2_extent_info { | |
423 | int curr_entry; | |
424 | int curr_level; | |
425 | int num_entries; | |
426 | int max_entries; | |
427 | int max_depth; | |
428 | int bytes_avail; | |
429 | blk64_t max_lblk; | |
430 | blk64_t max_pblk; | |
431 | __u32 max_len; | |
432 | __u32 max_uninit_len; | |
433 | }; | |
434 | ||
f9190c8a TT |
435 | /* |
436 | * Flags for directory block reading and writing functions | |
437 | */ | |
438 | #define EXT2_DIRBLOCK_V2_STRUCT 0x0001 | |
439 | ||
3839e657 TT |
440 | /* |
441 | * Return flags for the directory iterator functions | |
442 | */ | |
443 | #define DIRENT_CHANGED 1 | |
444 | #define DIRENT_ABORT 2 | |
445 | #define DIRENT_ERROR 3 | |
446 | ||
447 | /* | |
448 | * Directory iterator flags | |
449 | */ | |
450 | ||
451 | #define DIRENT_FLAG_INCLUDE_EMPTY 1 | |
8bd0c959 | 452 | #define DIRENT_FLAG_INCLUDE_REMOVED 2 |
41bf5993 | 453 | #define DIRENT_FLAG_INCLUDE_CSUM 4 |
416c1de9 | 454 | #define DIRENT_FLAG_INCLUDE_INLINE_DATA 8 |
19c78dc0 TT |
455 | |
456 | #define DIRENT_DOT_FILE 1 | |
457 | #define DIRENT_DOT_DOT_FILE 2 | |
458 | #define DIRENT_OTHER_FILE 3 | |
8bd0c959 | 459 | #define DIRENT_DELETED_FILE 4 |
41bf5993 | 460 | #define DIRENT_CHECKSUM 5 |
19c78dc0 | 461 | |
3839e657 TT |
462 | /* |
463 | * Inode scan definitions | |
464 | */ | |
f3db3566 TT |
465 | typedef struct ext2_struct_inode_scan *ext2_inode_scan; |
466 | ||
19c78dc0 TT |
467 | /* |
468 | * ext2fs_scan flags | |
469 | */ | |
470 | #define EXT2_SF_CHK_BADBLOCKS 0x0001 | |
471 | #define EXT2_SF_BAD_INODE_BLK 0x0002 | |
472 | #define EXT2_SF_BAD_EXTRA_BYTES 0x0004 | |
473 | #define EXT2_SF_SKIP_MISSING_ITABLE 0x0008 | |
f5fa2007 | 474 | #define EXT2_SF_DO_LAZY 0x0010 |
68d70624 | 475 | #define EXT2_SF_WARN_GARBAGE_INODES 0x0020 |
3839e657 | 476 | |
50e1e10f TT |
477 | /* |
478 | * ext2fs_check_if_mounted flags | |
479 | */ | |
480 | #define EXT2_MF_MOUNTED 1 | |
481 | #define EXT2_MF_ISROOT 2 | |
19c78dc0 | 482 | #define EXT2_MF_READONLY 4 |
07cefe7a | 483 | #define EXT2_MF_SWAP 8 |
2fa8f37f | 484 | #define EXT2_MF_BUSY 16 |
50e1e10f TT |
485 | |
486 | /* | |
487 | * Ext2/linux mode flags. We define them here so that we don't need | |
488 | * to depend on the OS's sys/stat.h, since we may be compiling on a | |
489 | * non-Linux system. | |
490 | */ | |
491 | #define LINUX_S_IFMT 00170000 | |
492 | #define LINUX_S_IFSOCK 0140000 | |
493 | #define LINUX_S_IFLNK 0120000 | |
494 | #define LINUX_S_IFREG 0100000 | |
495 | #define LINUX_S_IFBLK 0060000 | |
496 | #define LINUX_S_IFDIR 0040000 | |
497 | #define LINUX_S_IFCHR 0020000 | |
498 | #define LINUX_S_IFIFO 0010000 | |
499 | #define LINUX_S_ISUID 0004000 | |
500 | #define LINUX_S_ISGID 0002000 | |
501 | #define LINUX_S_ISVTX 0001000 | |
502 | ||
1e3472c5 TT |
503 | #define LINUX_S_IRWXU 00700 |
504 | #define LINUX_S_IRUSR 00400 | |
505 | #define LINUX_S_IWUSR 00200 | |
506 | #define LINUX_S_IXUSR 00100 | |
507 | ||
508 | #define LINUX_S_IRWXG 00070 | |
509 | #define LINUX_S_IRGRP 00040 | |
510 | #define LINUX_S_IWGRP 00020 | |
511 | #define LINUX_S_IXGRP 00010 | |
512 | ||
513 | #define LINUX_S_IRWXO 00007 | |
514 | #define LINUX_S_IROTH 00004 | |
515 | #define LINUX_S_IWOTH 00002 | |
516 | #define LINUX_S_IXOTH 00001 | |
517 | ||
50e1e10f TT |
518 | #define LINUX_S_ISLNK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFLNK) |
519 | #define LINUX_S_ISREG(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFREG) | |
520 | #define LINUX_S_ISDIR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFDIR) | |
521 | #define LINUX_S_ISCHR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFCHR) | |
522 | #define LINUX_S_ISBLK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFBLK) | |
523 | #define LINUX_S_ISFIFO(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFIFO) | |
524 | #define LINUX_S_ISSOCK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK) | |
525 | ||
819157db TT |
526 | /* |
527 | * ext2 size of an inode | |
528 | */ | |
529 | #define EXT2_I_SIZE(i) ((i)->i_size | ((__u64) (i)->i_size_high << 32)) | |
530 | ||
19c78dc0 TT |
531 | /* |
532 | * ext2_icount_t abstraction | |
533 | */ | |
534 | #define EXT2_ICOUNT_OPT_INCREMENT 0x01 | |
6304d212 | 535 | #define EXT2_ICOUNT_OPT_FULLMAP 0x02 |
19c78dc0 TT |
536 | |
537 | typedef struct ext2_icount *ext2_icount_t; | |
538 | ||
30fab293 TT |
539 | /* |
540 | * Flags for ext2fs_bmap | |
541 | */ | |
1d667534 TT |
542 | #define BMAP_ALLOC 0x0001 |
543 | #define BMAP_SET 0x0002 | |
60a212f7 DW |
544 | #define BMAP_UNINIT 0x0004 |
545 | #define BMAP_ZERO 0x0008 | |
30fab293 | 546 | |
cc9bf5d2 TT |
547 | /* |
548 | * Returned flags from ext2fs_bmap | |
549 | */ | |
550 | #define BMAP_RET_UNINIT 0x0001 | |
551 | ||
72ed1264 TT |
552 | /* |
553 | * Flags for imager.c functions | |
554 | */ | |
555 | #define IMAGER_FLAG_INODEMAP 1 | |
556 | #define IMAGER_FLAG_SPARSEWRITE 2 | |
557 | ||
f3db3566 TT |
558 | /* |
559 | * For checking structure magic numbers... | |
560 | */ | |
3839e657 | 561 | |
f3db3566 TT |
562 | #define EXT2_CHECK_MAGIC(struct, code) \ |
563 | if ((struct)->magic != (code)) return (code) | |
1e3472c5 | 564 | |
521e3685 | 565 | /* |
426d734f | 566 | * Features supported by this version of the library |
521e3685 | 567 | */ |
3a5f8eaa TT |
568 | #define EXT2_LIB_FEATURE_COMPAT_SUPP (EXT2_FEATURE_COMPAT_DIR_PREALLOC|\ |
569 | EXT2_FEATURE_COMPAT_IMAGIC_INODES|\ | |
342d847d | 570 | EXT3_FEATURE_COMPAT_HAS_JOURNAL|\ |
d323f8fb | 571 | EXT2_FEATURE_COMPAT_RESIZE_INODE|\ |
52783e0c | 572 | EXT2_FEATURE_COMPAT_DIR_INDEX|\ |
65c6c3e0 TT |
573 | EXT2_FEATURE_COMPAT_EXT_ATTR|\ |
574 | EXT4_FEATURE_COMPAT_SPARSE_SUPER2) | |
2fe1efe2 | 575 | |
d6a4bcb5 TB |
576 | #ifdef CONFIG_MMP |
577 | #define EXT4_LIB_INCOMPAT_MMP EXT4_FEATURE_INCOMPAT_MMP | |
578 | #else | |
579 | #define EXT4_LIB_INCOMPAT_MMP (0) | |
580 | #endif | |
581 | ||
ab146766 | 582 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ |
a112847b | 583 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ |
c046ac7f | 584 | EXT2_FEATURE_INCOMPAT_META_BG|\ |
c2d4300b | 585 | EXT3_FEATURE_INCOMPAT_RECOVER|\ |
15d482ba | 586 | EXT3_FEATURE_INCOMPAT_EXTENTS|\ |
02d6f47e | 587 | EXT4_FEATURE_INCOMPAT_FLEX_BG|\ |
d6a4bcb5 | 588 | EXT4_LIB_INCOMPAT_MMP|\ |
448cc0e4 | 589 | EXT4_FEATURE_INCOMPAT_64BIT|\ |
bbb85949 | 590 | EXT4_FEATURE_INCOMPAT_INLINE_DATA|\ |
2ed0adbc DW |
591 | EXT4_FEATURE_INCOMPAT_ENCRYPT|\ |
592 | EXT4_FEATURE_INCOMPAT_CSUM_SEED) | |
2aac4777 | 593 | |
7becb206 TT |
594 | #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\ |
595 | EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\ | |
596 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\ | |
597 | EXT4_FEATURE_RO_COMPAT_DIR_NLINK|\ | |
598 | EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\ | |
599 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\ | |
3e752286 | 600 | EXT4_FEATURE_RO_COMPAT_BIGALLOC|\ |
9e8fcd6e | 601 | EXT4_FEATURE_RO_COMPAT_QUOTA|\ |
8b39e4cf | 602 | EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|\ |
0c18d036 LX |
603 | EXT4_FEATURE_RO_COMPAT_READONLY |\ |
604 | EXT4_FEATURE_RO_COMPAT_PROJECT) | |
cf8272e1 TT |
605 | |
606 | /* | |
607 | * These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed | |
608 | * to ext2fs_openfs() | |
609 | */ | |
bbb85949 | 610 | #define EXT2_LIB_SOFTSUPP_INCOMPAT (0) |
991211f6 | 611 | #define EXT2_LIB_SOFTSUPP_RO_COMPAT (EXT4_FEATURE_RO_COMPAT_REPLICA) |
cf8272e1 | 612 | |
1da5ef70 TT |
613 | |
614 | /* Translate a block number to a cluster number */ | |
615 | #define EXT2FS_CLUSTER_RATIO(fs) (1 << (fs)->cluster_ratio_bits) | |
616 | #define EXT2FS_CLUSTER_MASK(fs) (EXT2FS_CLUSTER_RATIO(fs) - 1) | |
617 | #define EXT2FS_B2C(fs, blk) ((blk) >> (fs)->cluster_ratio_bits) | |
618 | /* Translate a cluster number to a block number */ | |
619 | #define EXT2FS_C2B(fs, cluster) ((cluster) << (fs)->cluster_ratio_bits) | |
620 | /* Translate # of blks to # of clusters */ | |
621 | #define EXT2FS_NUM_B2C(fs, blks) (((blks) + EXT2FS_CLUSTER_MASK(fs)) >> \ | |
622 | (fs)->cluster_ratio_bits) | |
623 | ||
a9f46078 | 624 | #if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED) |
c859cb1d LC |
625 | typedef struct stat64 ext2fs_struct_stat; |
626 | #else | |
627 | typedef struct stat ext2fs_struct_stat; | |
628 | #endif | |
629 | ||
9d9a53e6 RJ |
630 | /* |
631 | * For ext2fs_close2() and ext2fs_flush2(), this flag allows you to | |
632 | * avoid the fsync call. | |
633 | */ | |
634 | #define EXT2_FLAG_FLUSH_NO_SYNC 1 | |
635 | ||
2077c208 DW |
636 | /* |
637 | * Modify and iterate extended attributes | |
638 | */ | |
639 | struct ext2_xattr_handle; | |
640 | #define XATTR_ABORT 1 | |
641 | #define XATTR_CHANGED 2 | |
642 | ||
3839e657 TT |
643 | /* |
644 | * function prototypes | |
645 | */ | |
5b58dc23 DW |
646 | static inline int ext2fs_has_group_desc_csum(ext2_filsys fs) |
647 | { | |
77b3e987 DW |
648 | return ext2fs_has_feature_metadata_csum(fs->super) || |
649 | ext2fs_has_feature_gdt_csum(fs->super); | |
5b58dc23 | 650 | } |
3839e657 | 651 | |
3b6c0938 DW |
652 | /* The LARGE_FILE feature should be set if we have stored files 2GB+ in size */ |
653 | static inline int ext2fs_needs_large_file_feature(unsigned long long file_size) | |
654 | { | |
655 | return file_size >= 0x80000000ULL; | |
656 | } | |
657 | ||
3839e657 | 658 | /* alloc.c */ |
f3745728 | 659 | extern void ext2fs_clear_block_uninit(ext2_filsys fs, dgrp_t group); |
31dbecd4 TT |
660 | extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode, |
661 | ext2fs_inode_bitmap map, ext2_ino_t *ret); | |
3839e657 | 662 | extern errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal, |
f3db3566 | 663 | ext2fs_block_bitmap map, blk_t *ret); |
8a5e1812 JS |
664 | extern errcode_t ext2fs_new_block2(ext2_filsys fs, blk64_t goal, |
665 | ext2fs_block_bitmap map, blk64_t *ret); | |
3839e657 | 666 | extern errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, |
f3db3566 TT |
667 | blk_t finish, int num, |
668 | ext2fs_block_bitmap map, | |
3839e657 | 669 | blk_t *ret); |
8a5e1812 JS |
670 | extern errcode_t ext2fs_get_free_blocks2(ext2_filsys fs, blk64_t start, |
671 | blk64_t finish, int num, | |
672 | ext2fs_block_bitmap map, | |
673 | blk64_t *ret); | |
30fab293 TT |
674 | extern errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal, |
675 | char *block_buf, blk_t *ret); | |
8a5e1812 JS |
676 | extern errcode_t ext2fs_alloc_block2(ext2_filsys fs, blk64_t goal, |
677 | char *block_buf, blk64_t *ret); | |
efc6f628 | 678 | extern void ext2fs_set_alloc_block_callback(ext2_filsys fs, |
f5c562e2 TT |
679 | errcode_t (*func)(ext2_filsys fs, |
680 | blk64_t goal, | |
681 | blk64_t *ret), | |
682 | errcode_t (**old)(ext2_filsys fs, | |
683 | blk64_t goal, | |
684 | blk64_t *ret)); | |
7b486ec0 DW |
685 | blk64_t ext2fs_find_inode_goal(ext2_filsys fs, ext2_ino_t ino, |
686 | struct ext2_inode *inode, blk64_t lblk); | |
647e8786 DW |
687 | extern void ext2fs_set_new_range_callback(ext2_filsys fs, |
688 | errcode_t (*func)(ext2_filsys fs, int flags, blk64_t goal, | |
689 | blk64_t len, blk64_t *pblk, blk64_t *plen), | |
690 | errcode_t (**old)(ext2_filsys fs, int flags, blk64_t goal, | |
691 | blk64_t len, blk64_t *pblk, blk64_t *plen)); | |
692 | extern void ext2fs_set_block_alloc_stats_range_callback(ext2_filsys fs, | |
693 | void (*func)(ext2_filsys fs, blk64_t blk, | |
694 | blk_t num, int inuse), | |
695 | void (**old)(ext2_filsys fs, blk64_t blk, | |
696 | blk_t num, int inuse)); | |
5a980264 DW |
697 | #define EXT2_NEWRANGE_FIXED_GOAL (0x1) |
698 | #define EXT2_NEWRANGE_MIN_LENGTH (0x2) | |
699 | #define EXT2_NEWRANGE_ALL_FLAGS (0x3) | |
700 | errcode_t ext2fs_new_range(ext2_filsys fs, int flags, blk64_t goal, | |
701 | blk64_t len, ext2fs_block_bitmap map, blk64_t *pblk, | |
702 | blk64_t *plen); | |
703 | #define EXT2_ALLOCRANGE_FIXED_GOAL (0x1) | |
704 | #define EXT2_ALLOCRANGE_ZERO_BLOCKS (0x2) | |
705 | #define EXT2_ALLOCRANGE_ALL_FLAGS (0x3) | |
706 | errcode_t ext2fs_alloc_range(ext2_filsys fs, int flags, blk64_t goal, | |
707 | blk_t len, blk64_t *ret); | |
3839e657 | 708 | |
ef344e13 | 709 | /* alloc_sb.c */ |
efc6f628 | 710 | extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs, |
ef344e13 TT |
711 | dgrp_t group, |
712 | ext2fs_block_bitmap bmap); | |
efc6f628 | 713 | extern void ext2fs_set_block_alloc_stats_callback(ext2_filsys fs, |
f5c562e2 TT |
714 | void (*func)(ext2_filsys fs, |
715 | blk64_t blk, | |
716 | int inuse), | |
717 | void (**old)(ext2_filsys fs, | |
718 | blk64_t blk, | |
719 | int inuse)); | |
ef344e13 | 720 | |
8bd0c959 TT |
721 | /* alloc_stats.c */ |
722 | void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse); | |
7f961d42 TT |
723 | void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, |
724 | int inuse, int isdir); | |
8bd0c959 | 725 | void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse); |
e8328e31 | 726 | void ext2fs_block_alloc_stats2(ext2_filsys fs, blk64_t blk, int inuse); |
5c41451e TT |
727 | void ext2fs_block_alloc_stats_range(ext2_filsys fs, blk64_t blk, |
728 | blk_t num, int inuse); | |
8bd0c959 | 729 | |
1e1da29f TT |
730 | /* alloc_tables.c */ |
731 | extern errcode_t ext2fs_allocate_tables(ext2_filsys fs); | |
2eb374c9 | 732 | extern errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, |
1e1da29f | 733 | ext2fs_block_bitmap bmap); |
19c78dc0 | 734 | |
3839e657 | 735 | /* badblocks.c */ |
b7a00563 TT |
736 | extern errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size); |
737 | extern errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk); | |
54434927 | 738 | extern int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk); |
b7a00563 TT |
739 | extern int ext2fs_u32_list_test(ext2_u32_list bb, blk_t blk); |
740 | extern errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, | |
741 | ext2_u32_iterate *ret); | |
742 | extern int ext2fs_u32_list_iterate(ext2_u32_iterate iter, blk_t *blk); | |
743 | extern void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter); | |
744 | extern errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest); | |
745 | extern int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2); | |
746 | ||
19c78dc0 TT |
747 | extern errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, |
748 | int size); | |
19c78dc0 TT |
749 | extern errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, |
750 | blk_t blk); | |
751 | extern int ext2fs_badblocks_list_test(ext2_badblocks_list bb, | |
752 | blk_t blk); | |
7d7bdd57 TT |
753 | extern int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk); |
754 | extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk); | |
19c78dc0 TT |
755 | extern errcode_t |
756 | ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, | |
757 | ext2_badblocks_iterate *ret); | |
758 | extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, | |
759 | blk_t *blk); | |
760 | extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter); | |
a29f4d30 TT |
761 | extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, |
762 | ext2_badblocks_list *dest); | |
57dca854 TT |
763 | extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1, |
764 | ext2_badblocks_list bb2); | |
220c0040 | 765 | extern int ext2fs_u32_list_count(ext2_u32_list bb); |
19c78dc0 TT |
766 | |
767 | /* bb_compat */ | |
3839e657 | 768 | extern errcode_t badblocks_list_create(badblocks_list *ret, int size); |
3839e657 TT |
769 | extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk); |
770 | extern int badblocks_list_test(badblocks_list bb, blk_t blk); | |
771 | extern errcode_t badblocks_list_iterate_begin(badblocks_list bb, | |
772 | badblocks_iterate *ret); | |
773 | extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk); | |
774 | extern void badblocks_list_iterate_end(badblocks_iterate iter); | |
a29f4d30 | 775 | extern void badblocks_list_free(badblocks_list bb); |
3839e657 TT |
776 | |
777 | /* bb_inode.c */ | |
778 | extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs, | |
19c78dc0 | 779 | ext2_badblocks_list bb_list); |
3839e657 TT |
780 | |
781 | /* bitmaps.c */ | |
a0553c9d TT |
782 | extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap); |
783 | extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap); | |
f1f115a7 TT |
784 | extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, |
785 | ext2fs_generic_bitmap *dest); | |
3839e657 TT |
786 | extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs); |
787 | extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs); | |
788 | extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs); | |
789 | extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs); | |
50e1e10f TT |
790 | extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, |
791 | const char *descr, | |
792 | ext2fs_block_bitmap *ret); | |
94968e74 TT |
793 | extern errcode_t ext2fs_allocate_subcluster_bitmap(ext2_filsys fs, |
794 | const char *descr, | |
795 | ext2fs_block_bitmap *ret); | |
796 | extern int ext2fs_get_bitmap_granularity(ext2fs_block_bitmap bitmap); | |
50e1e10f TT |
797 | extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, |
798 | const char *descr, | |
799 | ext2fs_inode_bitmap *ret); | |
800 | extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, | |
31dbecd4 | 801 | ext2_ino_t end, ext2_ino_t *oend); |
50e1e10f TT |
802 | extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, |
803 | blk_t end, blk_t *oend); | |
8f82ef98 VAH |
804 | extern errcode_t ext2fs_fudge_block_bitmap_end2(ext2fs_block_bitmap bitmap, |
805 | blk64_t end, blk64_t *oend); | |
50e1e10f TT |
806 | extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap); |
807 | extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap); | |
3839e657 TT |
808 | extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs); |
809 | extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs); | |
50448d3d TT |
810 | extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, |
811 | ext2fs_inode_bitmap bmap); | |
8f82ef98 VAH |
812 | extern errcode_t ext2fs_resize_inode_bitmap2(__u64 new_end, |
813 | __u64 new_real_end, | |
814 | ext2fs_inode_bitmap bmap); | |
50448d3d TT |
815 | extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, |
816 | ext2fs_block_bitmap bmap); | |
8f82ef98 VAH |
817 | extern errcode_t ext2fs_resize_block_bitmap2(__u64 new_end, |
818 | __u64 new_real_end, | |
819 | ext2fs_block_bitmap bmap); | |
50448d3d TT |
820 | extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, |
821 | ext2fs_block_bitmap bm2); | |
822 | extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, | |
823 | ext2fs_inode_bitmap bm2); | |
f1f115a7 TT |
824 | extern errcode_t ext2fs_set_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
825 | ext2_ino_t start, unsigned int num, | |
826 | void *in); | |
8f82ef98 VAH |
827 | extern errcode_t ext2fs_set_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
828 | __u64 start, size_t num, | |
829 | void *in); | |
f1f115a7 TT |
830 | extern errcode_t ext2fs_get_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
831 | ext2_ino_t start, unsigned int num, | |
832 | void *out); | |
8f82ef98 VAH |
833 | extern errcode_t ext2fs_get_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
834 | __u64 start, size_t num, | |
835 | void *out); | |
f1f115a7 TT |
836 | extern errcode_t ext2fs_set_block_bitmap_range(ext2fs_block_bitmap bmap, |
837 | blk_t start, unsigned int num, | |
838 | void *in); | |
8f82ef98 VAH |
839 | extern errcode_t ext2fs_set_block_bitmap_range2(ext2fs_block_bitmap bmap, |
840 | blk64_t start, size_t num, | |
841 | void *in); | |
f1f115a7 TT |
842 | extern errcode_t ext2fs_get_block_bitmap_range(ext2fs_block_bitmap bmap, |
843 | blk_t start, unsigned int num, | |
844 | void *out); | |
8f82ef98 VAH |
845 | extern errcode_t ext2fs_get_block_bitmap_range2(ext2fs_block_bitmap bmap, |
846 | blk64_t start, size_t num, | |
847 | void *out); | |
50448d3d | 848 | |
e3854b3b | 849 | /* blknum.c */ |
a80ea340 | 850 | extern __u32 ext2fs_inode_bitmap_checksum(ext2_filsys fs, dgrp_t group); |
e7dc95c6 | 851 | extern __u32 ext2fs_block_bitmap_checksum(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
852 | extern dgrp_t ext2fs_group_of_blk2(ext2_filsys fs, blk64_t); |
853 | extern blk64_t ext2fs_group_first_block2(ext2_filsys fs, dgrp_t group); | |
854 | extern blk64_t ext2fs_group_last_block2(ext2_filsys fs, dgrp_t group); | |
98f45471 | 855 | extern int ext2fs_group_blocks_count(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
856 | extern blk64_t ext2fs_inode_data_blocks2(ext2_filsys fs, |
857 | struct ext2_inode *inode); | |
858 | extern blk64_t ext2fs_inode_i_blocks(ext2_filsys fs, | |
859 | struct ext2_inode *inode); | |
860 | extern blk64_t ext2fs_blocks_count(struct ext2_super_block *super); | |
861 | extern void ext2fs_blocks_count_set(struct ext2_super_block *super, | |
862 | blk64_t blk); | |
863 | extern void ext2fs_blocks_count_add(struct ext2_super_block *super, | |
864 | blk64_t blk); | |
865 | extern blk64_t ext2fs_r_blocks_count(struct ext2_super_block *super); | |
866 | extern void ext2fs_r_blocks_count_set(struct ext2_super_block *super, | |
867 | blk64_t blk); | |
868 | extern void ext2fs_r_blocks_count_add(struct ext2_super_block *super, | |
869 | blk64_t blk); | |
870 | extern blk64_t ext2fs_free_blocks_count(struct ext2_super_block *super); | |
871 | extern void ext2fs_free_blocks_count_set(struct ext2_super_block *super, | |
872 | blk64_t blk); | |
873 | extern void ext2fs_free_blocks_count_add(struct ext2_super_block *super, | |
874 | blk64_t blk); | |
875 | /* Block group descriptor accessor functions */ | |
876 | extern struct ext2_group_desc *ext2fs_group_desc(ext2_filsys fs, | |
efe0b401 | 877 | struct opaque_ext2_group_desc *gdp, |
e3854b3b | 878 | dgrp_t group); |
e7dc95c6 | 879 | extern blk64_t ext2fs_block_bitmap_csum(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
880 | extern blk64_t ext2fs_block_bitmap_loc(ext2_filsys fs, dgrp_t group); |
881 | extern void ext2fs_block_bitmap_loc_set(ext2_filsys fs, dgrp_t group, | |
882 | blk64_t blk); | |
a80ea340 | 883 | extern __u32 ext2fs_inode_bitmap_csum(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
884 | extern blk64_t ext2fs_inode_bitmap_loc(ext2_filsys fs, dgrp_t group); |
885 | extern void ext2fs_inode_bitmap_loc_set(ext2_filsys fs, dgrp_t group, | |
886 | blk64_t blk); | |
887 | extern blk64_t ext2fs_inode_table_loc(ext2_filsys fs, dgrp_t group); | |
888 | extern void ext2fs_inode_table_loc_set(ext2_filsys fs, dgrp_t group, | |
889 | blk64_t blk); | |
d62d218f | 890 | extern __u32 ext2fs_bg_free_blocks_count(ext2_filsys fs, dgrp_t group); |
e3854b3b | 891 | extern void ext2fs_bg_free_blocks_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
892 | __u32 n); |
893 | extern __u32 ext2fs_bg_free_inodes_count(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 894 | extern void ext2fs_bg_free_inodes_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
895 | __u32 n); |
896 | extern __u32 ext2fs_bg_used_dirs_count(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 897 | extern void ext2fs_bg_used_dirs_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
898 | __u32 n); |
899 | extern __u32 ext2fs_bg_itable_unused(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 900 | extern void ext2fs_bg_itable_unused_set(ext2_filsys fs, dgrp_t group, |
d62d218f | 901 | __u32 n); |
e3854b3b | 902 | extern __u16 ext2fs_bg_flags(ext2_filsys fs, dgrp_t group); |
e633b58a | 903 | extern void ext2fs_bg_flags_zap(ext2_filsys fs, dgrp_t group); |
cd65a24e | 904 | extern int ext2fs_bg_flags_test(ext2_filsys fs, dgrp_t group, __u16 bg_flag); |
e633b58a ES |
905 | extern void ext2fs_bg_flags_set(ext2_filsys fs, dgrp_t group, __u16 bg_flags); |
906 | extern void ext2fs_bg_flags_clear(ext2_filsys fs, dgrp_t group, __u16 bg_flags); | |
e3854b3b JS |
907 | extern __u16 ext2fs_bg_checksum(ext2_filsys fs, dgrp_t group); |
908 | extern void ext2fs_bg_checksum_set(ext2_filsys fs, dgrp_t group, __u16 checksum); | |
0c80c44b TT |
909 | extern blk64_t ext2fs_file_acl_block(ext2_filsys fs, |
910 | const struct ext2_inode *inode); | |
911 | extern void ext2fs_file_acl_block_set(ext2_filsys fs, | |
912 | struct ext2_inode *inode, blk64_t blk); | |
97c607b1 DW |
913 | extern errcode_t ext2fs_inode_size_set(ext2_filsys fs, struct ext2_inode *inode, |
914 | ext2_off64_t size); | |
3839e657 TT |
915 | |
916 | /* block.c */ | |
917 | extern errcode_t ext2fs_block_iterate(ext2_filsys fs, | |
31dbecd4 | 918 | ext2_ino_t ino, |
3839e657 TT |
919 | int flags, |
920 | char *block_buf, | |
921 | int (*func)(ext2_filsys fs, | |
922 | blk_t *blocknr, | |
923 | int blockcnt, | |
b5abe6fa TT |
924 | void *priv_data), |
925 | void *priv_data); | |
19c78dc0 | 926 | errcode_t ext2fs_block_iterate2(ext2_filsys fs, |
31dbecd4 | 927 | ext2_ino_t ino, |
674a4ee1 TT |
928 | int flags, |
929 | char *block_buf, | |
930 | int (*func)(ext2_filsys fs, | |
931 | blk_t *blocknr, | |
03673dbb | 932 | e2_blkcnt_t blockcnt, |
674a4ee1 TT |
933 | blk_t ref_blk, |
934 | int ref_offset, | |
935 | void *priv_data), | |
936 | void *priv_data); | |
272631e4 TT |
937 | errcode_t ext2fs_block_iterate3(ext2_filsys fs, |
938 | ext2_ino_t ino, | |
939 | int flags, | |
940 | char *block_buf, | |
941 | int (*func)(ext2_filsys fs, | |
942 | blk64_t *blocknr, | |
943 | e2_blkcnt_t blockcnt, | |
944 | blk64_t ref_blk, | |
945 | int ref_offset, | |
946 | void *priv_data), | |
947 | void *priv_data); | |
19c78dc0 | 948 | |
30fab293 | 949 | /* bmap.c */ |
31dbecd4 | 950 | extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 951 | struct ext2_inode *inode, |
30fab293 TT |
952 | char *block_buf, int bmap_flags, |
953 | blk_t block, blk_t *phys_blk); | |
efc6f628 | 954 | extern errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, |
cc9bf5d2 TT |
955 | struct ext2_inode *inode, |
956 | char *block_buf, int bmap_flags, blk64_t block, | |
957 | int *ret_flags, blk64_t *phys_blk); | |
84397754 DW |
958 | errcode_t ext2fs_map_cluster_block(ext2_filsys fs, ext2_ino_t ino, |
959 | struct ext2_inode *inode, blk64_t lblk, | |
960 | blk64_t *pblk); | |
30fab293 | 961 | |
4a31c48b | 962 | #if 0 |
1e1da29f TT |
963 | /* bmove.c */ |
964 | extern errcode_t ext2fs_move_blocks(ext2_filsys fs, | |
965 | ext2fs_block_bitmap reserve, | |
9941fb73 | 966 | ext2fs_block_bitmap alloc_map, |
1e1da29f | 967 | int flags); |
4a31c48b | 968 | #endif |
1e1da29f | 969 | |
f3db3566 TT |
970 | /* check_desc.c */ |
971 | extern errcode_t ext2fs_check_desc(ext2_filsys fs); | |
972 | ||
3839e657 TT |
973 | /* closefs.c */ |
974 | extern errcode_t ext2fs_close(ext2_filsys fs); | |
9d9a53e6 | 975 | extern errcode_t ext2fs_close2(ext2_filsys fs, int flags); |
47fee2ef | 976 | extern errcode_t ext2fs_close_free(ext2_filsys *fs); |
3839e657 | 977 | extern errcode_t ext2fs_flush(ext2_filsys fs); |
9d9a53e6 | 978 | extern errcode_t ext2fs_flush2(ext2_filsys fs, int flags); |
47183951 | 979 | extern int ext2fs_bg_has_super(ext2_filsys fs, dgrp_t group_block); |
71300f35 JS |
980 | extern errcode_t ext2fs_super_and_bgd_loc2(ext2_filsys fs, |
981 | dgrp_t group, | |
982 | blk64_t *ret_super_blk, | |
983 | blk64_t *ret_old_desc_blk, | |
984 | blk64_t *ret_new_desc_blk, | |
985 | blk_t *ret_used_blks); | |
efc6f628 | 986 | extern int ext2fs_super_and_bgd_loc(ext2_filsys fs, |
ef344e13 TT |
987 | dgrp_t group, |
988 | blk_t *ret_super_blk, | |
989 | blk_t *ret_old_desc_blk, | |
990 | blk_t *ret_new_desc_blk, | |
991 | int *ret_meta_bg); | |
1b4cd9c7 | 992 | extern void ext2fs_update_dynamic_rev(ext2_filsys fs); |
3839e657 | 993 | |
db8bbf27 | 994 | /* crc32c.c */ |
033c3384 | 995 | extern __u32 ext2fs_crc32_be(__u32 crc, unsigned char const *p, size_t len); |
a7a63675 | 996 | extern __u32 ext2fs_crc32c_le(__u32 crc, unsigned char const *p, size_t len); |
db8bbf27 | 997 | |
ca2634a4 | 998 | /* csum.c */ |
2ed0adbc | 999 | extern void ext2fs_init_csum_seed(ext2_filsys fs); |
a9620d8b DW |
1000 | extern errcode_t ext2fs_mmp_csum_set(ext2_filsys fs, struct mmp_struct *mmp); |
1001 | extern int ext2fs_mmp_csum_verify(ext2_filsys, struct mmp_struct *mmp); | |
1eedf3e5 | 1002 | extern int ext2fs_verify_csum_type(ext2_filsys fs, struct ext2_super_block *sb); |
d4ca3e40 DW |
1003 | extern errcode_t ext2fs_superblock_csum_set(ext2_filsys fs, |
1004 | struct ext2_super_block *sb); | |
1005 | extern int ext2fs_superblock_csum_verify(ext2_filsys fs, | |
1006 | struct ext2_super_block *sb); | |
39f5659a DW |
1007 | extern errcode_t ext2fs_ext_attr_block_csum_set(ext2_filsys fs, |
1008 | ext2_ino_t inum, blk64_t block, | |
1009 | struct ext2_ext_attr_header *hdr); | |
1010 | extern int ext2fs_ext_attr_block_csum_verify(ext2_filsys fs, ext2_ino_t inum, | |
1011 | blk64_t block, | |
1012 | struct ext2_ext_attr_header *hdr); | |
81683c6a | 1013 | #define EXT2_DIRENT_TAIL(block, blocksize) \ |
894eaf85 | 1014 | ((struct ext2_dir_entry_tail *)(((char *)(block)) + \ |
81683c6a DW |
1015 | (blocksize) - sizeof(struct ext2_dir_entry_tail))) |
1016 | ||
1017 | extern void ext2fs_initialize_dirent_tail(ext2_filsys fs, | |
1018 | struct ext2_dir_entry_tail *t); | |
1019 | extern int ext2fs_dirent_has_tail(ext2_filsys fs, | |
1020 | struct ext2_dir_entry *dirent); | |
894eaf85 TT |
1021 | extern int ext2fs_dirent_csum_verify(ext2_filsys fs, ext2_ino_t inum, |
1022 | struct ext2_dir_entry *dirent); | |
81683c6a DW |
1023 | extern int ext2fs_dir_block_csum_verify(ext2_filsys fs, ext2_ino_t inum, |
1024 | struct ext2_dir_entry *dirent); | |
1025 | extern errcode_t ext2fs_dir_block_csum_set(ext2_filsys fs, ext2_ino_t inum, | |
1026 | struct ext2_dir_entry *dirent); | |
dc96de09 DW |
1027 | extern errcode_t ext2fs_get_dx_countlimit(ext2_filsys fs, |
1028 | struct ext2_dir_entry *dirent, | |
1029 | struct ext2_dx_countlimit **cc, | |
1030 | int *offset); | |
41275efe DW |
1031 | extern errcode_t ext2fs_extent_block_csum_set(ext2_filsys fs, |
1032 | ext2_ino_t inum, | |
1033 | struct ext3_extent_header *eh); | |
1034 | extern int ext2fs_extent_block_csum_verify(ext2_filsys fs, | |
1035 | ext2_ino_t inum, | |
1036 | struct ext3_extent_header *eh); | |
e7dc95c6 DW |
1037 | extern errcode_t ext2fs_block_bitmap_csum_set(ext2_filsys fs, dgrp_t group, |
1038 | char *bitmap, int size); | |
1039 | extern int ext2fs_block_bitmap_csum_verify(ext2_filsys fs, dgrp_t group, | |
1040 | char *bitmap, int size); | |
a80ea340 DW |
1041 | extern errcode_t ext2fs_inode_bitmap_csum_set(ext2_filsys fs, dgrp_t group, |
1042 | char *bitmap, int size); | |
1043 | extern int ext2fs_inode_bitmap_csum_verify(ext2_filsys fs, dgrp_t group, | |
1044 | char *bitmap, int size); | |
37d82b6a DW |
1045 | extern errcode_t ext2fs_inode_csum_set(ext2_filsys fs, ext2_ino_t inum, |
1046 | struct ext2_inode_large *inode); | |
1047 | extern int ext2fs_inode_csum_verify(ext2_filsys fs, ext2_ino_t inum, | |
1048 | struct ext2_inode_large *inode); | |
ca2634a4 JS |
1049 | extern void ext2fs_group_desc_csum_set(ext2_filsys fs, dgrp_t group); |
1050 | extern int ext2fs_group_desc_csum_verify(ext2_filsys fs, dgrp_t group); | |
f628acea | 1051 | extern errcode_t ext2fs_set_gdt_csum(ext2_filsys fs); |
87141781 | 1052 | extern __u16 ext2fs_group_desc_csum(ext2_filsys fs, dgrp_t group); |
ca2634a4 | 1053 | |
19c78dc0 | 1054 | /* dblist.c */ |
a29f4d30 | 1055 | extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist); |
31dbecd4 | 1056 | extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 1057 | blk_t blk, int blockcnt); |
ab13b5a9 TT |
1058 | extern errcode_t ext2fs_add_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
1059 | blk64_t blk, e2_blkcnt_t blockcnt); | |
ea1959f0 TT |
1060 | extern void ext2fs_dblist_sort(ext2_dblist dblist, |
1061 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
1062 | const void *)); | |
ab13b5a9 TT |
1063 | extern void ext2fs_dblist_sort2(ext2_dblist dblist, |
1064 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
1065 | const void *)); | |
a29f4d30 TT |
1066 | extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist, |
1067 | int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info, | |
b5abe6fa | 1068 | void *priv_data), |
79614b27 | 1069 | void *priv_data); |
ab13b5a9 TT |
1070 | extern errcode_t ext2fs_dblist_iterate2(ext2_dblist dblist, |
1071 | int (*func)(ext2_filsys fs, struct ext2_db_entry2 *db_info, | |
1072 | void *priv_data), | |
79614b27 DW |
1073 | void *priv_data); |
1074 | extern errcode_t ext2fs_dblist_iterate3(ext2_dblist dblist, | |
1075 | int (*func)(ext2_filsys fs, struct ext2_db_entry2 *db_info, | |
1076 | void *priv_data), | |
1077 | unsigned long long start, | |
1078 | unsigned long long count, | |
1079 | void *priv_data); | |
31dbecd4 | 1080 | extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 1081 | blk_t blk, int blockcnt); |
ab13b5a9 TT |
1082 | extern errcode_t ext2fs_set_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
1083 | blk64_t blk, e2_blkcnt_t blockcnt); | |
a29f4d30 TT |
1084 | extern errcode_t ext2fs_copy_dblist(ext2_dblist src, |
1085 | ext2_dblist *dest); | |
549860c5 | 1086 | extern int ext2fs_dblist_count(ext2_dblist dblist); |
ab13b5a9 | 1087 | extern blk64_t ext2fs_dblist_count2(ext2_dblist dblist); |
efc6f628 | 1088 | extern errcode_t ext2fs_dblist_get_last(ext2_dblist dblist, |
52b1dd5e | 1089 | struct ext2_db_entry **entry); |
ab13b5a9 TT |
1090 | extern errcode_t ext2fs_dblist_get_last2(ext2_dblist dblist, |
1091 | struct ext2_db_entry2 **entry); | |
52b1dd5e | 1092 | extern errcode_t ext2fs_dblist_drop_last(ext2_dblist dblist); |
19c78dc0 TT |
1093 | |
1094 | /* dblist_dir.c */ | |
1095 | extern errcode_t | |
1096 | ext2fs_dblist_dir_iterate(ext2_dblist dblist, | |
1097 | int flags, | |
1098 | char *block_buf, | |
31dbecd4 | 1099 | int (*func)(ext2_ino_t dir, |
19c78dc0 TT |
1100 | int entry, |
1101 | struct ext2_dir_entry *dirent, | |
1102 | int offset, | |
1103 | int blocksize, | |
1104 | char *buf, | |
b5abe6fa TT |
1105 | void *priv_data), |
1106 | void *priv_data); | |
50e1e10f | 1107 | |
437651ad | 1108 | #if 0 |
bf34b4af TT |
1109 | /* digest_encode.c */ |
1110 | #define EXT2FS_DIGEST_SIZE EXT2FS_SHA256_LENGTH | |
437651ad TT |
1111 | extern int ext2fs_digest_encode(const char *src, int len, char *dst); |
1112 | extern int ext2fs_digest_decode(const char *src, int len, char *dst); | |
1113 | #endif | |
bf34b4af | 1114 | |
50e1e10f TT |
1115 | /* dirblock.c */ |
1116 | extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block, | |
1117 | void *buf); | |
f9190c8a TT |
1118 | extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block, |
1119 | void *buf, int flags); | |
57e2467d JS |
1120 | extern errcode_t ext2fs_read_dir_block3(ext2_filsys fs, blk64_t block, |
1121 | void *buf, int flags); | |
81683c6a DW |
1122 | extern errcode_t ext2fs_read_dir_block4(ext2_filsys fs, blk64_t block, |
1123 | void *buf, int flags, ext2_ino_t ino); | |
50e1e10f TT |
1124 | extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block, |
1125 | void *buf); | |
f9190c8a TT |
1126 | extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block, |
1127 | void *buf, int flags); | |
57e2467d JS |
1128 | extern errcode_t ext2fs_write_dir_block3(ext2_filsys fs, blk64_t block, |
1129 | void *buf, int flags); | |
81683c6a DW |
1130 | extern errcode_t ext2fs_write_dir_block4(ext2_filsys fs, blk64_t block, |
1131 | void *buf, int flags, ext2_ino_t ino); | |
50e1e10f | 1132 | |
52783e0c TT |
1133 | /* dirhash.c */ |
1134 | extern errcode_t ext2fs_dirhash(int version, const char *name, int len, | |
b33278c4 | 1135 | const __u32 *seed, |
503f9e7f TT |
1136 | ext2_dirhash_t *ret_hash, |
1137 | ext2_dirhash_t *ret_minor_hash); | |
52783e0c TT |
1138 | |
1139 | ||
19c78dc0 | 1140 | /* dir_iterate.c */ |
8a480350 TT |
1141 | extern errcode_t ext2fs_get_rec_len(ext2_filsys fs, |
1142 | struct ext2_dir_entry *dirent, | |
1143 | unsigned int *rec_len); | |
1144 | extern errcode_t ext2fs_set_rec_len(ext2_filsys fs, | |
1145 | unsigned int len, | |
1146 | struct ext2_dir_entry *dirent); | |
efc6f628 | 1147 | extern errcode_t ext2fs_dir_iterate(ext2_filsys fs, |
31dbecd4 | 1148 | ext2_ino_t dir, |
19c78dc0 TT |
1149 | int flags, |
1150 | char *block_buf, | |
1151 | int (*func)(struct ext2_dir_entry *dirent, | |
1152 | int offset, | |
1153 | int blocksize, | |
1154 | char *buf, | |
b5abe6fa TT |
1155 | void *priv_data), |
1156 | void *priv_data); | |
efc6f628 | 1157 | extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs, |
8bd0c959 TT |
1158 | ext2_ino_t dir, |
1159 | int flags, | |
1160 | char *block_buf, | |
1161 | int (*func)(ext2_ino_t dir, | |
1162 | int entry, | |
1163 | struct ext2_dir_entry *dirent, | |
1164 | int offset, | |
1165 | int blocksize, | |
1166 | char *buf, | |
1167 | void *priv_data), | |
1168 | void *priv_data); | |
19c78dc0 | 1169 | |
a29f4d30 TT |
1170 | /* dupfs.c */ |
1171 | extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest); | |
19c78dc0 | 1172 | |
3839e657 | 1173 | /* expanddir.c */ |
31dbecd4 | 1174 | extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir); |
3839e657 | 1175 | |
342d847d | 1176 | /* ext_attr.c */ |
fefaef39 AD |
1177 | extern __u32 ext2fs_ext_attr_hash_entry(struct ext2_ext_attr_entry *entry, |
1178 | void *data); | |
342d847d | 1179 | extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf); |
b91f14b8 JS |
1180 | extern errcode_t ext2fs_read_ext_attr2(ext2_filsys fs, blk64_t block, |
1181 | void *buf); | |
39f5659a DW |
1182 | extern errcode_t ext2fs_read_ext_attr3(ext2_filsys fs, blk64_t block, |
1183 | void *buf, ext2_ino_t inum); | |
0684a4f3 TT |
1184 | extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, |
1185 | void *buf); | |
b91f14b8 JS |
1186 | extern errcode_t ext2fs_write_ext_attr2(ext2_filsys fs, blk64_t block, |
1187 | void *buf); | |
39f5659a DW |
1188 | extern errcode_t ext2fs_write_ext_attr3(ext2_filsys fs, blk64_t block, |
1189 | void *buf, ext2_ino_t inum); | |
0684a4f3 TT |
1190 | extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk, |
1191 | char *block_buf, | |
1192 | int adjust, __u32 *newcount); | |
b91f14b8 JS |
1193 | extern errcode_t ext2fs_adjust_ea_refcount2(ext2_filsys fs, blk64_t blk, |
1194 | char *block_buf, | |
1195 | int adjust, __u32 *newcount); | |
39f5659a DW |
1196 | extern errcode_t ext2fs_adjust_ea_refcount3(ext2_filsys fs, blk64_t blk, |
1197 | char *block_buf, | |
1198 | int adjust, __u32 *newcount, | |
1199 | ext2_ino_t inum); | |
2077c208 DW |
1200 | errcode_t ext2fs_xattrs_write(struct ext2_xattr_handle *handle); |
1201 | errcode_t ext2fs_xattrs_read(struct ext2_xattr_handle *handle); | |
1202 | errcode_t ext2fs_xattrs_iterate(struct ext2_xattr_handle *h, | |
1203 | int (*func)(char *name, char *value, | |
68515695 | 1204 | size_t value_len, void *data), |
2077c208 DW |
1205 | void *data); |
1206 | errcode_t ext2fs_xattr_get(struct ext2_xattr_handle *h, const char *key, | |
68515695 | 1207 | void **value, size_t *value_len); |
2077c208 DW |
1208 | errcode_t ext2fs_xattr_set(struct ext2_xattr_handle *handle, |
1209 | const char *key, | |
1210 | const void *value, | |
68515695 | 1211 | size_t value_len); |
2077c208 DW |
1212 | errcode_t ext2fs_xattr_remove(struct ext2_xattr_handle *handle, |
1213 | const char *key); | |
1214 | errcode_t ext2fs_xattrs_open(ext2_filsys fs, ext2_ino_t ino, | |
1215 | struct ext2_xattr_handle **handle); | |
1216 | errcode_t ext2fs_xattrs_close(struct ext2_xattr_handle **handle); | |
1217 | errcode_t ext2fs_free_ext_attr(ext2_filsys fs, ext2_ino_t ino, | |
1218 | struct ext2_inode_large *inode); | |
2ddcee17 | 1219 | errcode_t ext2fs_xattrs_count(struct ext2_xattr_handle *handle, size_t *count); |
54e880b8 ZL |
1220 | errcode_t ext2fs_xattr_inode_max_size(ext2_filsys fs, ext2_ino_t ino, |
1221 | size_t *size); | |
0ee1eaf7 TT |
1222 | #define XATTR_HANDLE_FLAG_RAW 0x0001 |
1223 | errcode_t ext2fs_xattrs_flags(struct ext2_xattr_handle *handle, | |
1224 | unsigned int *new_flags, unsigned int *old_flags); | |
0684a4f3 | 1225 | |
3eb07f64 TT |
1226 | /* extent.c */ |
1227 | extern errcode_t ext2fs_extent_header_verify(void *ptr, int size); | |
1228 | extern errcode_t ext2fs_extent_open(ext2_filsys fs, ext2_ino_t ino, | |
1229 | ext2_extent_handle_t *handle); | |
84b239ae | 1230 | extern errcode_t ext2fs_extent_open2(ext2_filsys fs, ext2_ino_t ino, |
1231 | struct ext2_inode *inode, | |
1232 | ext2_extent_handle_t *ret_handle); | |
2d328bb7 | 1233 | extern void ext2fs_extent_free(ext2_extent_handle_t handle); |
3eb07f64 TT |
1234 | extern errcode_t ext2fs_extent_get(ext2_extent_handle_t handle, |
1235 | int flags, struct ext2fs_extent *extent); | |
bee7b67c | 1236 | extern errcode_t ext2fs_extent_node_split(ext2_extent_handle_t handle); |
3eb07f64 TT |
1237 | extern errcode_t ext2fs_extent_replace(ext2_extent_handle_t handle, int flags, |
1238 | struct ext2fs_extent *extent); | |
1239 | extern errcode_t ext2fs_extent_insert(ext2_extent_handle_t handle, int flags, | |
1240 | struct ext2fs_extent *extent); | |
f4e9963c ES |
1241 | extern errcode_t ext2fs_extent_set_bmap(ext2_extent_handle_t handle, |
1242 | blk64_t logical, blk64_t physical, | |
1243 | int flags); | |
3eb07f64 TT |
1244 | extern errcode_t ext2fs_extent_delete(ext2_extent_handle_t handle, int flags); |
1245 | extern errcode_t ext2fs_extent_get_info(ext2_extent_handle_t handle, | |
1246 | struct ext2_extent_info *info); | |
1247 | extern errcode_t ext2fs_extent_goto(ext2_extent_handle_t handle, | |
1248 | blk64_t blk); | |
bee7b67c TT |
1249 | extern errcode_t ext2fs_extent_goto2(ext2_extent_handle_t handle, |
1250 | int leaf_level, blk64_t blk); | |
789bd401 | 1251 | extern errcode_t ext2fs_extent_fix_parents(ext2_extent_handle_t handle); |
ffe1b28d | 1252 | size_t ext2fs_max_extent_depth(ext2_extent_handle_t handle); |
3eb07f64 | 1253 | |
5aad5b8e DW |
1254 | /* fallocate.c */ |
1255 | #define EXT2_FALLOCATE_ZERO_BLOCKS (0x1) | |
1256 | #define EXT2_FALLOCATE_FORCE_INIT (0x2) | |
1257 | #define EXT2_FALLOCATE_FORCE_UNINIT (0x4) | |
1258 | #define EXT2_FALLOCATE_INIT_BEYOND_EOF (0x8) | |
1259 | #define EXT2_FALLOCATE_ALL_FLAGS (0xF) | |
1260 | errcode_t ext2fs_fallocate(ext2_filsys fs, int flags, ext2_ino_t ino, | |
1261 | struct ext2_inode *inode, blk64_t goal, | |
1262 | blk64_t start, blk64_t len); | |
1263 | ||
30fab293 | 1264 | /* fileio.c */ |
a435ec34 TT |
1265 | extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino, |
1266 | struct ext2_inode *inode, | |
1267 | int flags, ext2_file_t *ret); | |
31dbecd4 | 1268 | extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino, |
30fab293 | 1269 | int flags, ext2_file_t *ret); |
79a90bda | 1270 | extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file); |
6dc058bd | 1271 | struct ext2_inode *ext2fs_file_get_inode(ext2_file_t file); |
3ae682bb | 1272 | extern ext2_ino_t ext2fs_file_get_inode_num(ext2_file_t file); |
30fab293 | 1273 | extern errcode_t ext2fs_file_close(ext2_file_t file); |
f12e285f | 1274 | extern errcode_t ext2fs_file_flush(ext2_file_t file); |
30fab293 | 1275 | extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf, |
79a90bda | 1276 | unsigned int wanted, unsigned int *got); |
f12e285f | 1277 | extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf, |
79a90bda | 1278 | unsigned int nbytes, unsigned int *written); |
819157db TT |
1279 | extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset, |
1280 | int whence, __u64 *ret_pos); | |
674a4ee1 TT |
1281 | extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset, |
1282 | int whence, ext2_off_t *ret_pos); | |
819157db | 1283 | errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size); |
79a90bda TT |
1284 | extern ext2_off_t ext2fs_file_get_size(ext2_file_t file); |
1285 | extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size); | |
27a0e958 | 1286 | extern errcode_t ext2fs_file_set_size2(ext2_file_t file, ext2_off64_t size); |
30fab293 | 1287 | |
de23aa1d TT |
1288 | /* finddev.c */ |
1289 | extern char *ext2fs_find_block_device(dev_t device); | |
1290 | ||
4d0f3e17 TT |
1291 | /* flushb.c */ |
1292 | extern errcode_t ext2fs_sync_device(int fd, int flushb); | |
1293 | ||
3839e657 TT |
1294 | /* freefs.c */ |
1295 | extern void ext2fs_free(ext2_filsys fs); | |
a29f4d30 | 1296 | extern void ext2fs_free_dblist(ext2_dblist dblist); |
b7a00563 TT |
1297 | extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb); |
1298 | extern void ext2fs_u32_list_free(ext2_u32_list bb); | |
50e1e10f | 1299 | |
a0553c9d TT |
1300 | /* gen_bitmap.c */ |
1301 | extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap); | |
efc6f628 TT |
1302 | extern errcode_t ext2fs_make_generic_bitmap(errcode_t magic, ext2_filsys fs, |
1303 | __u32 start, __u32 end, | |
a0553c9d TT |
1304 | __u32 real_end, |
1305 | const char *descr, char *init_map, | |
1306 | ext2fs_generic_bitmap *ret); | |
1307 | extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start, | |
1308 | __u32 end, | |
1309 | __u32 real_end, | |
1310 | const char *descr, | |
1311 | ext2fs_generic_bitmap *ret); | |
1312 | extern errcode_t ext2fs_copy_generic_bitmap(ext2fs_generic_bitmap src, | |
1313 | ext2fs_generic_bitmap *dest); | |
1314 | extern void ext2fs_clear_generic_bitmap(ext2fs_generic_bitmap bitmap); | |
1315 | extern errcode_t ext2fs_fudge_generic_bitmap_end(ext2fs_inode_bitmap bitmap, | |
efc6f628 | 1316 | errcode_t magic, |
a0553c9d | 1317 | errcode_t neq, |
efc6f628 | 1318 | ext2_ino_t end, |
a0553c9d TT |
1319 | ext2_ino_t *oend); |
1320 | extern void ext2fs_set_generic_bitmap_padding(ext2fs_generic_bitmap map); | |
50448d3d TT |
1321 | extern errcode_t ext2fs_resize_generic_bitmap(errcode_t magic, |
1322 | __u32 new_end, | |
1323 | __u32 new_real_end, | |
1324 | ext2fs_generic_bitmap bmap); | |
1325 | extern errcode_t ext2fs_compare_generic_bitmap(errcode_t magic, errcode_t neq, | |
1326 | ext2fs_generic_bitmap bm1, | |
1327 | ext2fs_generic_bitmap bm2); | |
f1f115a7 TT |
1328 | extern errcode_t ext2fs_get_generic_bitmap_range(ext2fs_generic_bitmap bmap, |
1329 | errcode_t magic, | |
1330 | __u32 start, __u32 num, | |
1331 | void *out); | |
1332 | extern errcode_t ext2fs_set_generic_bitmap_range(ext2fs_generic_bitmap bmap, | |
1333 | errcode_t magic, | |
1334 | __u32 start, __u32 num, | |
1335 | void *in); | |
664c3326 TT |
1336 | extern errcode_t ext2fs_find_first_zero_generic_bitmap(ext2fs_generic_bitmap bitmap, |
1337 | __u32 start, __u32 end, | |
1338 | __u32 *out); | |
dff0b6a3 TT |
1339 | extern errcode_t ext2fs_find_first_set_generic_bitmap(ext2fs_generic_bitmap bitmap, |
1340 | __u32 start, __u32 end, | |
1341 | __u32 *out); | |
a0553c9d | 1342 | |
8f82ef98 VAH |
1343 | /* gen_bitmap64.c */ |
1344 | void ext2fs_free_generic_bmap(ext2fs_generic_bitmap bmap); | |
1345 | errcode_t ext2fs_alloc_generic_bmap(ext2_filsys fs, errcode_t magic, | |
1346 | int type, __u64 start, __u64 end, | |
1347 | __u64 real_end, | |
1348 | const char *descr, | |
1349 | ext2fs_generic_bitmap *ret); | |
1350 | errcode_t ext2fs_copy_generic_bmap(ext2fs_generic_bitmap src, | |
1351 | ext2fs_generic_bitmap *dest); | |
1352 | void ext2fs_clear_generic_bmap(ext2fs_generic_bitmap bitmap); | |
1353 | errcode_t ext2fs_fudge_generic_bmap_end(ext2fs_generic_bitmap bitmap, | |
1354 | errcode_t neq, | |
1355 | __u64 end, __u64 *oend); | |
1356 | void ext2fs_set_generic_bmap_padding(ext2fs_generic_bitmap bmap); | |
1357 | errcode_t ext2fs_resize_generic_bmap(ext2fs_generic_bitmap bmap, | |
1358 | __u64 new_end, | |
1359 | __u64 new_real_end); | |
1360 | errcode_t ext2fs_compare_generic_bmap(errcode_t neq, | |
1361 | ext2fs_generic_bitmap bm1, | |
1362 | ext2fs_generic_bitmap bm2); | |
1363 | errcode_t ext2fs_get_generic_bmap_range(ext2fs_generic_bitmap bmap, | |
1364 | __u64 start, unsigned int num, | |
1365 | void *out); | |
1366 | errcode_t ext2fs_set_generic_bmap_range(ext2fs_generic_bitmap bmap, | |
1367 | __u64 start, unsigned int num, | |
1368 | void *in); | |
94968e74 TT |
1369 | errcode_t ext2fs_convert_subcluster_bitmap(ext2_filsys fs, |
1370 | ext2fs_block_bitmap *bitmap); | |
8f82ef98 | 1371 | |
bc0b1a89 TT |
1372 | /* get_num_dirs.c */ |
1373 | extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs); | |
1374 | ||
50e1e10f TT |
1375 | /* getsize.c */ |
1376 | extern errcode_t ext2fs_get_device_size(const char *file, int blocksize, | |
1377 | blk_t *retblocks); | |
beab8de4 JS |
1378 | extern errcode_t ext2fs_get_device_size2(const char *file, int blocksize, |
1379 | blk64_t *retblocks); | |
3839e657 | 1380 | |
93d5c387 | 1381 | /* getsectsize.c */ |
dd0a2679 | 1382 | extern int ext2fs_get_dio_alignment(int fd); |
93d5c387 | 1383 | errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize); |
bb1158b9 | 1384 | errcode_t ext2fs_get_device_phys_sectsize(const char *file, int *sectsize); |
93d5c387 | 1385 | |
1ca1059f TT |
1386 | /* i_block.c */ |
1387 | errcode_t ext2fs_iblk_add_blocks(ext2_filsys fs, struct ext2_inode *inode, | |
1388 | blk64_t num_blocks); | |
1389 | errcode_t ext2fs_iblk_sub_blocks(ext2_filsys fs, struct ext2_inode *inode, | |
1390 | blk64_t num_blocks); | |
1391 | errcode_t ext2fs_iblk_set(ext2_filsys fs, struct ext2_inode *inode, blk64_t b); | |
1392 | ||
72ed1264 TT |
1393 | /* imager.c */ |
1394 | extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags); | |
1395 | extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags); | |
1396 | extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags); | |
1397 | extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags); | |
1398 | extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags); | |
1399 | extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags); | |
1400 | ||
dc8ce346 TT |
1401 | /* ind_block.c */ |
1402 | errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf); | |
1403 | errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf); | |
1404 | ||
3839e657 TT |
1405 | /* initialize.c */ |
1406 | extern errcode_t ext2fs_initialize(const char *name, int flags, | |
1407 | struct ext2_super_block *param, | |
1408 | io_manager manager, ext2_filsys *ret_fs); | |
1409 | ||
f12e285f TT |
1410 | /* icount.c */ |
1411 | extern void ext2fs_free_icount(ext2_icount_t icount); | |
1b9d8cb7 TT |
1412 | extern errcode_t ext2fs_create_icount_tdb(ext2_filsys fs, char *tdb_dir, |
1413 | int flags, ext2_icount_t *ret); | |
efc6f628 | 1414 | extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags, |
54434927 | 1415 | unsigned int size, |
f12e285f | 1416 | ext2_icount_t hint, ext2_icount_t *ret); |
efc6f628 | 1417 | extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags, |
54434927 | 1418 | unsigned int size, |
f12e285f TT |
1419 | ext2_icount_t *ret); |
1420 | extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino, | |
1421 | __u16 *ret); | |
1422 | extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino, | |
1423 | __u16 *ret); | |
1424 | extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino, | |
1425 | __u16 *ret); | |
1426 | extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino, | |
1427 | __u16 count); | |
1428 | extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount); | |
1429 | errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *); | |
1430 | ||
ab3f5c5a TT |
1431 | /* inline.c */ |
1432 | ||
1433 | extern errcode_t ext2fs_get_memalign(unsigned long size, | |
1434 | unsigned long align, void *ptr); | |
1435 | ||
24997f1c DW |
1436 | /* inline_data.c */ |
1437 | extern errcode_t ext2fs_inline_data_init(ext2_filsys fs, ext2_ino_t ino); | |
1438 | extern errcode_t ext2fs_inline_data_size(ext2_filsys fs, ext2_ino_t ino, | |
1439 | size_t *size); | |
1440 | extern errcode_t ext2fs_inline_data_get(ext2_filsys fs, ext2_ino_t ino, | |
1441 | struct ext2_inode *inode, | |
1442 | void *buf, size_t *size); | |
1443 | extern errcode_t ext2fs_inline_data_set(ext2_filsys fs, ext2_ino_t ino, | |
1444 | struct ext2_inode *inode, | |
1445 | void *buf, size_t size); | |
1446 | ||
3839e657 | 1447 | /* inode.c */ |
be31a8de ZL |
1448 | extern errcode_t ext2fs_create_inode_cache(ext2_filsys fs, |
1449 | unsigned int cache_size); | |
603e5ebc | 1450 | extern void ext2fs_free_inode_cache(struct ext2_inode_cache *icache); |
72ed1264 | 1451 | extern errcode_t ext2fs_flush_icache(ext2_filsys fs); |
efc6f628 | 1452 | extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan, |
7331196a | 1453 | ext2_ino_t *ino, |
efc6f628 | 1454 | struct ext2_inode *inode, |
7331196a | 1455 | int bufsize); |
a5abfe03 | 1456 | #define EXT2_INODE_SCAN_DEFAULT_BUFFER_BLOCKS 8 |
3839e657 TT |
1457 | extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, |
1458 | ext2_inode_scan *ret_scan); | |
1459 | extern void ext2fs_close_inode_scan(ext2_inode_scan scan); | |
31dbecd4 | 1460 | extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, |
3839e657 | 1461 | struct ext2_inode *inode); |
19c78dc0 TT |
1462 | extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, |
1463 | int group); | |
1464 | extern void ext2fs_set_inode_callback | |
1465 | (ext2_inode_scan scan, | |
1466 | errcode_t (*done_group)(ext2_filsys fs, | |
1467 | ext2_inode_scan scan, | |
1468 | dgrp_t group, | |
b5abe6fa | 1469 | void * priv_data), |
19c78dc0 TT |
1470 | void *done_group_data); |
1471 | extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, | |
1472 | int clear_flags); | |
7331196a | 1473 | extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1474 | struct ext2_inode * inode, |
7331196a | 1475 | int bufsize); |
31dbecd4 | 1476 | extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 1477 | struct ext2_inode * inode); |
7331196a | 1478 | extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1479 | struct ext2_inode * inode, |
7331196a | 1480 | int bufsize); |
31dbecd4 | 1481 | extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 1482 | struct ext2_inode * inode); |
030970ed TT |
1483 | extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino, |
1484 | struct ext2_inode * inode); | |
31dbecd4 TT |
1485 | extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
1486 | extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 1487 | |
f12e285f TT |
1488 | /* inode_io.c */ |
1489 | extern io_manager inode_io_manager; | |
efc6f628 | 1490 | extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino, |
546a1ff1 | 1491 | char **name); |
a435ec34 TT |
1492 | extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino, |
1493 | struct ext2_inode *inode, | |
1494 | char **name); | |
efc6f628 | 1495 | |
50e1e10f TT |
1496 | /* ismounted.c */ |
1497 | extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags); | |
43ec8734 TT |
1498 | extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags, |
1499 | char *mtpt, int mtlen); | |
50e1e10f | 1500 | |
3adb9374 | 1501 | /* punch.c */ |
4ee4ad80 DW |
1502 | /* |
1503 | * NOTE: This function removes from an inode the blocks "start", "end", and | |
1504 | * every block in between. | |
1505 | */ | |
3adb9374 TT |
1506 | extern errcode_t ext2fs_punch(ext2_filsys fs, ext2_ino_t ino, |
1507 | struct ext2_inode *inode, | |
1508 | char *block_buf, blk64_t start, | |
1509 | blk64_t end); | |
1510 | ||
3839e657 | 1511 | /* namei.c */ |
31dbecd4 TT |
1512 | extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name, |
1513 | int namelen, char *buf, ext2_ino_t *inode); | |
1514 | extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1515 | const char *name, ext2_ino_t *inode); | |
1516 | errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1517 | const char *name, ext2_ino_t *inode); | |
1518 | extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1519 | ext2_ino_t inode, ext2_ino_t *res_inode); | |
1e3472c5 TT |
1520 | |
1521 | /* native.c */ | |
1522 | int ext2fs_native_flag(void); | |
3839e657 TT |
1523 | |
1524 | /* newdir.c */ | |
31dbecd4 TT |
1525 | extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino, |
1526 | ext2_ino_t parent_ino, char **block); | |
82e77d07 ZL |
1527 | extern errcode_t ext2fs_new_dir_inline_data(ext2_filsys fs, ext2_ino_t dir_ino, |
1528 | ext2_ino_t parent_ino, __u32 *iblock); | |
3839e657 TT |
1529 | |
1530 | /* mkdir.c */ | |
31dbecd4 | 1531 | extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, |
3839e657 TT |
1532 | const char *name); |
1533 | ||
d3cd93ca | 1534 | /* mkjournal.c */ |
c8608504 TT |
1535 | extern errcode_t ext2fs_zero_blocks(ext2_filsys fs, blk_t blk, int num, |
1536 | blk_t *ret_blk, int *ret_count); | |
73d0c4cc | 1537 | extern errcode_t ext2fs_zero_blocks2(ext2_filsys fs, blk64_t blk, int num, |
931b58e1 | 1538 | blk64_t *ret_blk, int *ret_count); |
a112847b | 1539 | extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs, |
931b58e1 | 1540 | __u32 num_blocks, int flags, |
a112847b TT |
1541 | char **ret_jsb); |
1542 | extern errcode_t ext2fs_add_journal_device(ext2_filsys fs, | |
1543 | ext2_filsys journal_dev); | |
931b58e1 | 1544 | extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t num_blocks, |
31a17b36 | 1545 | int flags); |
0fe6e3ae TT |
1546 | extern errcode_t ext2fs_add_journal_inode2(ext2_filsys fs, blk_t num_blocks, |
1547 | blk64_t goal, int flags); | |
931b58e1 | 1548 | extern int ext2fs_default_journal_size(__u64 num_blocks); |
7f33024a | 1549 | extern int ext2fs_journal_sb_start(int blocksize); |
d3cd93ca | 1550 | |
3839e657 TT |
1551 | /* openfs.c */ |
1552 | extern errcode_t ext2fs_open(const char *name, int flags, int superblock, | |
54434927 | 1553 | unsigned int block_size, io_manager manager, |
3839e657 | 1554 | ext2_filsys *ret_fs); |
efc6f628 TT |
1555 | extern errcode_t ext2fs_open2(const char *name, const char *io_options, |
1556 | int flags, int superblock, | |
2e8ca9a2 TT |
1557 | unsigned int block_size, io_manager manager, |
1558 | ext2_filsys *ret_fs); | |
d36b957b DW |
1559 | /* |
1560 | * The dgrp_t argument to these two functions is not actually a group number | |
1561 | * but a block number offset within a group table! Convert with the formula | |
1562 | * (group_number / groups_per_block). | |
1563 | */ | |
4f8d6ab2 JS |
1564 | extern blk64_t ext2fs_descriptor_block_loc2(ext2_filsys fs, |
1565 | blk64_t group_block, dgrp_t i); | |
efc6f628 | 1566 | extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, |
c046ac7f | 1567 | dgrp_t i); |
1ad54a94 TT |
1568 | errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io); |
1569 | errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io); | |
1570 | errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io); | |
3839e657 TT |
1571 | |
1572 | /* get_pathname.c */ | |
31dbecd4 | 1573 | extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, |
3839e657 TT |
1574 | char **name); |
1575 | ||
1576 | /* link.c */ | |
31dbecd4 TT |
1577 | errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name, |
1578 | ext2_ino_t ino, int flags); | |
1579 | errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name, | |
1580 | ext2_ino_t ino, int flags); | |
3839e657 | 1581 | |
50840882 JK |
1582 | /* symlink.c */ |
1583 | errcode_t ext2fs_symlink(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t ino, | |
4e222d9b | 1584 | const char *name, const char *target); |
50840882 | 1585 | |
0f5eba75 AD |
1586 | /* mmp.c */ |
1587 | errcode_t ext2fs_mmp_read(ext2_filsys fs, blk64_t mmp_blk, void *buf); | |
1588 | errcode_t ext2fs_mmp_write(ext2_filsys fs, blk64_t mmp_blk, void *buf); | |
1589 | errcode_t ext2fs_mmp_clear(ext2_filsys fs); | |
1590 | errcode_t ext2fs_mmp_init(ext2_filsys fs); | |
1591 | errcode_t ext2fs_mmp_start(ext2_filsys fs); | |
1592 | errcode_t ext2fs_mmp_update(ext2_filsys fs); | |
a9620d8b | 1593 | errcode_t ext2fs_mmp_update2(ext2_filsys fs, int immediately); |
0f5eba75 | 1594 | errcode_t ext2fs_mmp_stop(ext2_filsys fs); |
edbfd75d | 1595 | unsigned ext2fs_mmp_new_seq(void); |
0f5eba75 | 1596 | |
3839e657 | 1597 | /* read_bb.c */ |
19c78dc0 TT |
1598 | extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs, |
1599 | ext2_badblocks_list *bb_list); | |
3839e657 TT |
1600 | |
1601 | /* read_bb_file.c */ | |
efc6f628 | 1602 | extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, |
57dca854 | 1603 | ext2_badblocks_list *bb_list, |
50cd7e06 | 1604 | void *priv_data, |
57dca854 TT |
1605 | void (*invalid)(ext2_filsys fs, |
1606 | blk_t blk, | |
1607 | char *badstr, | |
50cd7e06 | 1608 | void *priv_data)); |
efc6f628 | 1609 | extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, |
19c78dc0 | 1610 | ext2_badblocks_list *bb_list, |
3839e657 TT |
1611 | void (*invalid)(ext2_filsys fs, |
1612 | blk_t blk)); | |
1613 | ||
d323f8fb TT |
1614 | /* res_gdt.c */ |
1615 | extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs); | |
1616 | ||
6a5bdaf7 TT |
1617 | /*sha256.c */ |
1618 | #define EXT2FS_SHA256_LENGTH 32 | |
c46b57bc | 1619 | #if 0 |
6a5bdaf7 TT |
1620 | extern void ext2fs_sha256(const unsigned char *in, unsigned long in_size, |
1621 | unsigned char out[EXT2FS_SHA256_LENGTH]); | |
437651ad | 1622 | #endif |
6a5bdaf7 | 1623 | |
569ee902 TT |
1624 | /* sha512.c */ |
1625 | #define EXT2FS_SHA512_LENGTH 64 | |
6a5bdaf7 | 1626 | extern void ext2fs_sha512(const unsigned char *in, unsigned long in_size, |
569ee902 | 1627 | unsigned char out[EXT2FS_SHA512_LENGTH]); |
569ee902 | 1628 | |
50e1e10f | 1629 | /* swapfs.c */ |
11f93746 ZL |
1630 | extern errcode_t ext2fs_dirent_swab_in2(ext2_filsys fs, char *buf, size_t size, |
1631 | int flags); | |
81683c6a | 1632 | extern errcode_t ext2fs_dirent_swab_in(ext2_filsys fs, char *buf, int flags); |
11f93746 ZL |
1633 | extern errcode_t ext2fs_dirent_swab_out2(ext2_filsys fs, char *buf, size_t size, |
1634 | int flags); | |
81683c6a | 1635 | extern errcode_t ext2fs_dirent_swab_out(ext2_filsys fs, char *buf, int flags); |
efc6f628 | 1636 | extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, |
7331196a | 1637 | int has_header); |
fefaef39 AD |
1638 | extern void ext2fs_swap_ext_attr_header(struct ext2_ext_attr_header *to_header, |
1639 | struct ext2_ext_attr_header *from_hdr); | |
1640 | extern void ext2fs_swap_ext_attr_entry(struct ext2_ext_attr_entry *to_entry, | |
1641 | struct ext2_ext_attr_entry *from_entry); | |
50e1e10f TT |
1642 | extern void ext2fs_swap_super(struct ext2_super_block * super); |
1643 | extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp); | |
cf828f1a | 1644 | extern void ext2fs_swap_group_desc2(ext2_filsys, struct ext2_group_desc *gdp); |
7331196a TT |
1645 | extern void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t, |
1646 | struct ext2_inode_large *f, int hostorder, | |
1647 | int bufsize); | |
1e3472c5 TT |
1648 | extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t, |
1649 | struct ext2_inode *f, int hostorder); | |
0f5eba75 | 1650 | extern void ext2fs_swap_mmp(struct mmp_struct *mmp); |
1e3472c5 | 1651 | |
ab3f5c5a TT |
1652 | /* unix_io.c */ |
1653 | extern int ext2fs_open_file(const char *pathname, int flags, mode_t mode); | |
1654 | extern int ext2fs_stat(const char *path, ext2fs_struct_stat *buf); | |
1655 | extern int ext2fs_fstat(int fd, ext2fs_struct_stat *buf); | |
1656 | ||
19c78dc0 | 1657 | /* valid_blk.c */ |
521e3685 | 1658 | extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode); |
0c80c44b TT |
1659 | extern int ext2fs_inode_has_valid_blocks2(ext2_filsys fs, |
1660 | struct ext2_inode *inode); | |
521e3685 TT |
1661 | |
1662 | /* version.c */ | |
1663 | extern int ext2fs_parse_version_string(const char *ver_string); | |
1664 | extern int ext2fs_get_library_version(const char **ver_string, | |
1665 | const char **date_string); | |
50e1e10f | 1666 | |
31dbecd4 TT |
1667 | /* write_bb_file.c */ |
1668 | extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list, | |
1669 | unsigned int flags, | |
1670 | FILE *f); | |
1671 | ||
1672 | ||
3839e657 | 1673 | /* inline functions */ |
ab3f5c5a | 1674 | #ifdef NO_INLINE_FUNCS |
c4e3d3f3 | 1675 | extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr); |
d32c915a TT |
1676 | extern errcode_t ext2fs_get_memzero(unsigned long size, void *ptr); |
1677 | extern errcode_t ext2fs_get_array(unsigned long count, | |
1678 | unsigned long size, void *ptr); | |
1679 | extern errcode_t ext2fs_get_arrayzero(unsigned long count, | |
1680 | unsigned long size, void *ptr); | |
c4e3d3f3 | 1681 | extern errcode_t ext2fs_free_mem(void *ptr); |
76f875da | 1682 | extern errcode_t ext2fs_resize_mem(unsigned long old_size, |
c4e3d3f3 | 1683 | unsigned long size, void *ptr); |
3839e657 TT |
1684 | extern void ext2fs_mark_super_dirty(ext2_filsys fs); |
1685 | extern void ext2fs_mark_changed(ext2_filsys fs); | |
1686 | extern int ext2fs_test_changed(ext2_filsys fs); | |
1687 | extern void ext2fs_mark_valid(ext2_filsys fs); | |
1688 | extern void ext2fs_unmark_valid(ext2_filsys fs); | |
1689 | extern int ext2fs_test_valid(ext2_filsys fs); | |
1690 | extern void ext2fs_mark_ib_dirty(ext2_filsys fs); | |
1691 | extern void ext2fs_mark_bb_dirty(ext2_filsys fs); | |
1692 | extern int ext2fs_test_ib_dirty(ext2_filsys fs); | |
1693 | extern int ext2fs_test_bb_dirty(ext2_filsys fs); | |
17abb05f DW |
1694 | extern dgrp_t ext2fs_group_of_blk(ext2_filsys fs, blk_t blk); |
1695 | extern dgrp_t ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino); | |
abf23439 ES |
1696 | extern blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group); |
1697 | extern blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group); | |
0684a4f3 TT |
1698 | extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
1699 | struct ext2_inode *inode); | |
69022e02 | 1700 | extern unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b); |
743011fb | 1701 | extern __u64 ext2fs_div64_ceil(__u64 a, __u64 b); |
52a06740 TT |
1702 | extern int ext2fs_dirent_name_len(const struct ext2_dir_entry *entry); |
1703 | extern void ext2fs_dirent_set_name_len(struct ext2_dir_entry *entry, int len); | |
1704 | extern int ext2fs_dirent_file_type(const struct ext2_dir_entry *entry); | |
1705 | extern void ext2fs_dirent_set_file_type(struct ext2_dir_entry *entry, int type); | |
82e48fb1 TT |
1706 | extern struct ext2_inode *ext2fs_inode(struct ext2_inode_large * large_inode); |
1707 | extern const struct ext2_inode *ext2fs_const_inode(const struct ext2_inode_large * large_inode); | |
52a06740 | 1708 | |
ab3f5c5a | 1709 | #endif |
3839e657 TT |
1710 | |
1711 | /* | |
1712 | * The actual inlined functions definitions themselves... | |
1713 | * | |
1714 | * If NO_INLINE_FUNCS is defined, then we won't try to do inline | |
1715 | * functions at all! | |
1716 | */ | |
1717 | #if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS)) | |
1718 | #ifdef INCLUDE_INLINE_FUNCS | |
1719 | #define _INLINE_ extern | |
1720 | #else | |
ab3f5c5a TT |
1721 | #if (__STDC_VERSION__ >= 199901L) |
1722 | #define _INLINE_ inline | |
1723 | #else | |
76f875da | 1724 | #ifdef __GNUC__ |
3839e657 | 1725 | #define _INLINE_ extern __inline__ |
76f875da TT |
1726 | #else /* For Watcom C */ |
1727 | #define _INLINE_ extern inline | |
ab3f5c5a TT |
1728 | #endif /* __GNUC__ */ |
1729 | #endif /* __STDC_VERSION__ >= 199901L */ | |
3839e657 TT |
1730 | #endif |
1731 | ||
daf57eaa TT |
1732 | #ifndef EXT2_CUSTOM_MEMORY_ROUTINES |
1733 | #include <string.h> | |
7b4e4534 | 1734 | /* |
85b8f7af | 1735 | * Allocate memory. The 'ptr' arg must point to a pointer. |
7b4e4534 | 1736 | */ |
c4e3d3f3 | 1737 | _INLINE_ errcode_t ext2fs_get_mem(unsigned long size, void *ptr) |
7b4e4534 | 1738 | { |
2694f319 | 1739 | void *pp; |
c4e3d3f3 | 1740 | |
2694f319 TT |
1741 | pp = malloc(size); |
1742 | if (!pp) | |
291c9049 | 1743 | return EXT2_ET_NO_MEMORY; |
2694f319 | 1744 | memcpy(ptr, &pp, sizeof (pp)); |
7b4e4534 TT |
1745 | return 0; |
1746 | } | |
e5aace90 | 1747 | |
ffec46fe LC |
1748 | _INLINE_ errcode_t ext2fs_get_memzero(unsigned long size, void *ptr) |
1749 | { | |
1750 | void *pp; | |
1751 | ||
1752 | pp = malloc(size); | |
1753 | if (!pp) | |
1754 | return EXT2_ET_NO_MEMORY; | |
1755 | memset(pp, 0, size); | |
1756 | memcpy(ptr, &pp, sizeof(pp)); | |
1757 | return 0; | |
1758 | } | |
1759 | ||
ee01079a TT |
1760 | _INLINE_ errcode_t ext2fs_get_array(unsigned long count, unsigned long size, void *ptr) |
1761 | { | |
074931ab | 1762 | if (count && (~0UL)/count < size) |
ffec46fe | 1763 | return EXT2_ET_NO_MEMORY; |
ee01079a TT |
1764 | return ext2fs_get_mem(count*size, ptr); |
1765 | } | |
7b4e4534 | 1766 | |
ffec46fe LC |
1767 | _INLINE_ errcode_t ext2fs_get_arrayzero(unsigned long count, |
1768 | unsigned long size, void *ptr) | |
1769 | { | |
1770 | void *pp; | |
1771 | ||
074931ab | 1772 | if (count && (~0UL)/count < size) |
ffec46fe LC |
1773 | return EXT2_ET_NO_MEMORY; |
1774 | pp = calloc(count, size); | |
1775 | if (!pp) | |
1776 | return EXT2_ET_NO_MEMORY; | |
1777 | memcpy(ptr, &pp, sizeof(pp)); | |
1778 | return 0; | |
1779 | } | |
1780 | ||
7b4e4534 | 1781 | /* |
85b8f7af | 1782 | * Free memory. The 'ptr' arg must point to a pointer. |
7b4e4534 | 1783 | */ |
c4e3d3f3 | 1784 | _INLINE_ errcode_t ext2fs_free_mem(void *ptr) |
7b4e4534 | 1785 | { |
2694f319 | 1786 | void *p; |
c4e3d3f3 | 1787 | |
2694f319 TT |
1788 | memcpy(&p, ptr, sizeof(p)); |
1789 | free(p); | |
1790 | p = 0; | |
1791 | memcpy(ptr, &p, sizeof(p)); | |
7b4e4534 TT |
1792 | return 0; |
1793 | } | |
efc6f628 | 1794 | |
7b4e4534 | 1795 | /* |
85b8f7af | 1796 | * Resize memory. The 'ptr' arg must point to a pointer. |
7b4e4534 | 1797 | */ |
e47fd841 | 1798 | _INLINE_ errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size, |
c4e3d3f3 | 1799 | unsigned long size, void *ptr) |
7b4e4534 TT |
1800 | { |
1801 | void *p; | |
1802 | ||
39c191f5 ST |
1803 | /* Use "memcpy" for pointer assignments here to avoid problems |
1804 | * with C99 strict type aliasing rules. */ | |
2694f319 | 1805 | memcpy(&p, ptr, sizeof(p)); |
39c191f5 | 1806 | p = realloc(p, size); |
7b4e4534 | 1807 | if (!p) |
291c9049 | 1808 | return EXT2_ET_NO_MEMORY; |
2694f319 | 1809 | memcpy(ptr, &p, sizeof(p)); |
7b4e4534 TT |
1810 | return 0; |
1811 | } | |
1812 | #endif /* Custom memory routines */ | |
1813 | ||
3839e657 TT |
1814 | /* |
1815 | * Mark a filesystem superblock as dirty | |
1816 | */ | |
1817 | _INLINE_ void ext2fs_mark_super_dirty(ext2_filsys fs) | |
1818 | { | |
1819 | fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_CHANGED; | |
1820 | } | |
1821 | ||
1822 | /* | |
1823 | * Mark a filesystem as changed | |
1824 | */ | |
1825 | _INLINE_ void ext2fs_mark_changed(ext2_filsys fs) | |
1826 | { | |
1827 | fs->flags |= EXT2_FLAG_CHANGED; | |
1828 | } | |
1829 | ||
1830 | /* | |
1831 | * Check to see if a filesystem has changed | |
1832 | */ | |
1833 | _INLINE_ int ext2fs_test_changed(ext2_filsys fs) | |
1834 | { | |
1835 | return (fs->flags & EXT2_FLAG_CHANGED); | |
1836 | } | |
1837 | ||
1838 | /* | |
1839 | * Mark a filesystem as valid | |
1840 | */ | |
1841 | _INLINE_ void ext2fs_mark_valid(ext2_filsys fs) | |
1842 | { | |
1843 | fs->flags |= EXT2_FLAG_VALID; | |
1844 | } | |
1845 | ||
1846 | /* | |
1847 | * Mark a filesystem as NOT valid | |
1848 | */ | |
1849 | _INLINE_ void ext2fs_unmark_valid(ext2_filsys fs) | |
1850 | { | |
1851 | fs->flags &= ~EXT2_FLAG_VALID; | |
1852 | } | |
1853 | ||
1854 | /* | |
1855 | * Check to see if a filesystem is valid | |
1856 | */ | |
1857 | _INLINE_ int ext2fs_test_valid(ext2_filsys fs) | |
1858 | { | |
1859 | return (fs->flags & EXT2_FLAG_VALID); | |
1860 | } | |
1861 | ||
1862 | /* | |
1863 | * Mark the inode bitmap as dirty | |
1864 | */ | |
1865 | _INLINE_ void ext2fs_mark_ib_dirty(ext2_filsys fs) | |
1866 | { | |
1867 | fs->flags |= EXT2_FLAG_IB_DIRTY | EXT2_FLAG_CHANGED; | |
1868 | } | |
1869 | ||
1870 | /* | |
1871 | * Mark the block bitmap as dirty | |
1872 | */ | |
1873 | _INLINE_ void ext2fs_mark_bb_dirty(ext2_filsys fs) | |
1874 | { | |
1875 | fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_CHANGED; | |
1876 | } | |
1877 | ||
1878 | /* | |
1879 | * Check to see if a filesystem's inode bitmap is dirty | |
1880 | */ | |
1881 | _INLINE_ int ext2fs_test_ib_dirty(ext2_filsys fs) | |
1882 | { | |
1883 | return (fs->flags & EXT2_FLAG_IB_DIRTY); | |
1884 | } | |
1885 | ||
1886 | /* | |
1887 | * Check to see if a filesystem's block bitmap is dirty | |
1888 | */ | |
1889 | _INLINE_ int ext2fs_test_bb_dirty(ext2_filsys fs) | |
1890 | { | |
1891 | return (fs->flags & EXT2_FLAG_BB_DIRTY); | |
1892 | } | |
1893 | ||
1894 | /* | |
1895 | * Return the group # of a block | |
1896 | */ | |
b7048374 | 1897 | _INLINE_ dgrp_t ext2fs_group_of_blk(ext2_filsys fs, blk_t blk) |
3839e657 | 1898 | { |
e3854b3b | 1899 | return ext2fs_group_of_blk2(fs, blk); |
3839e657 | 1900 | } |
3839e657 TT |
1901 | /* |
1902 | * Return the group # of an inode number | |
1903 | */ | |
b7048374 | 1904 | _INLINE_ dgrp_t ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino) |
3839e657 TT |
1905 | { |
1906 | return (ino - 1) / fs->super->s_inodes_per_group; | |
1907 | } | |
0684a4f3 | 1908 | |
abf23439 ES |
1909 | /* |
1910 | * Return the first block (inclusive) in a group | |
1911 | */ | |
1912 | _INLINE_ blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group) | |
1913 | { | |
b7048374 | 1914 | return (blk_t) ext2fs_group_first_block2(fs, group); |
abf23439 ES |
1915 | } |
1916 | ||
1917 | /* | |
1918 | * Return the last block (inclusive) in a group | |
1919 | */ | |
1920 | _INLINE_ blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group) | |
1921 | { | |
b7048374 | 1922 | return (blk_t) ext2fs_group_last_block2(fs, group); |
abf23439 ES |
1923 | } |
1924 | ||
0684a4f3 TT |
1925 | _INLINE_ blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
1926 | struct ext2_inode *inode) | |
1927 | { | |
b7048374 | 1928 | return (blk_t) ext2fs_inode_data_blocks2(fs, inode); |
0684a4f3 | 1929 | } |
69022e02 TT |
1930 | |
1931 | /* | |
1932 | * This is an efficient, overflow safe way of calculating ceil((1.0 * a) / b) | |
1933 | */ | |
1934 | _INLINE_ unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b) | |
1935 | { | |
1936 | if (!a) | |
1937 | return 0; | |
1938 | return ((a - 1) / b) + 1; | |
1939 | } | |
743011fb JS |
1940 | |
1941 | _INLINE_ __u64 ext2fs_div64_ceil(__u64 a, __u64 b) | |
1942 | { | |
1943 | if (!a) | |
1944 | return 0; | |
1945 | return ((a - 1) / b) + 1; | |
1946 | } | |
1947 | ||
70f4632b JK |
1948 | _INLINE_ int ext2fs_dirent_name_len(const struct ext2_dir_entry *entry) |
1949 | { | |
1950 | return entry->name_len & 0xff; | |
1951 | } | |
1952 | ||
1953 | _INLINE_ void ext2fs_dirent_set_name_len(struct ext2_dir_entry *entry, int len) | |
1954 | { | |
1955 | entry->name_len = (entry->name_len & 0xff00) | (len & 0xff); | |
1956 | } | |
1957 | ||
1958 | _INLINE_ int ext2fs_dirent_file_type(const struct ext2_dir_entry *entry) | |
1959 | { | |
1960 | return entry->name_len >> 8; | |
1961 | } | |
1962 | ||
1963 | _INLINE_ void ext2fs_dirent_set_file_type(struct ext2_dir_entry *entry, int type) | |
1964 | { | |
1965 | entry->name_len = (entry->name_len & 0xff) | (type << 8); | |
1966 | } | |
1967 | ||
82e48fb1 TT |
1968 | _INLINE_ struct ext2_inode *ext2fs_inode(struct ext2_inode_large * large_inode) |
1969 | { | |
1970 | /* It is always safe to convert large inode to a small inode */ | |
1971 | return (struct ext2_inode *) large_inode; | |
1972 | } | |
1973 | ||
1974 | _INLINE_ const struct ext2_inode * | |
1975 | ext2fs_const_inode(const struct ext2_inode_large * large_inode) | |
1976 | { | |
1977 | /* It is always safe to convert large inode to a small inode */ | |
1978 | return (const struct ext2_inode *) large_inode; | |
1979 | } | |
1980 | ||
3839e657 TT |
1981 | #undef _INLINE_ |
1982 | #endif | |
1983 | ||
fa7ef717 TT |
1984 | #ifdef __cplusplus |
1985 | } | |
1986 | #endif | |
1987 | ||
9abd2ce9 | 1988 | #endif /* _EXT2FS_EXT2FS_H */ |