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Commit | Line | Data |
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3839e657 TT |
1 | /* |
2 | * ext2fs.h --- ext2fs | |
efc6f628 | 3 | * |
19c78dc0 TT |
4 | * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. |
5 | * | |
6 | * %Begin-Header% | |
543547a5 TT |
7 | * This file may be redistributed under the terms of the GNU Library |
8 | * General Public License, version 2. | |
19c78dc0 | 9 | * %End-Header% |
3839e657 TT |
10 | */ |
11 | ||
9abd2ce9 TT |
12 | #ifndef _EXT2FS_EXT2FS_H |
13 | #define _EXT2FS_EXT2FS_H | |
14 | ||
54434927 TT |
15 | #ifdef __GNUC__ |
16 | #define EXT2FS_ATTR(x) __attribute__(x) | |
17 | #else | |
18 | #define EXT2FS_ATTR(x) | |
19 | #endif | |
20 | ||
fa7ef717 TT |
21 | #ifdef __cplusplus |
22 | extern "C" { | |
23 | #endif | |
24 | ||
19c78dc0 TT |
25 | /* |
26 | * Non-GNU C compilers won't necessarily understand inline | |
27 | */ | |
76f875da | 28 | #if (!defined(__GNUC__) && !defined(__WATCOMC__)) |
19c78dc0 TT |
29 | #define NO_INLINE_FUNCS |
30 | #endif | |
31 | ||
3839e657 TT |
32 | /* |
33 | * Where the master copy of the superblock is located, and how big | |
34 | * superblocks are supposed to be. We define SUPERBLOCK_SIZE because | |
35 | * the size of the superblock structure is not necessarily trustworthy | |
36 | * (some versions have the padding set up so that the superblock is | |
37 | * 1032 bytes long). | |
38 | */ | |
39 | #define SUPERBLOCK_OFFSET 1024 | |
1ac2aa23 | 40 | #define SUPERBLOCK_SIZE 1024 |
3839e657 | 41 | |
9c2c1e9a AK |
42 | #define UUID_STR_SIZE 37 |
43 | ||
f3db3566 TT |
44 | /* |
45 | * The last ext2fs revision level that this version of the library is | |
46 | * able to support. | |
47 | */ | |
e5b38a5f | 48 | #define EXT2_LIB_CURRENT_REV EXT2_DYNAMIC_REV |
f3db3566 | 49 | |
d40259fd | 50 | #ifdef HAVE_SYS_TYPES_H |
1e3472c5 | 51 | #include <sys/types.h> |
d40259fd TT |
52 | #endif |
53 | ||
3e699064 | 54 | #include <stdio.h> |
5be8dc21 | 55 | #include <stdlib.h> |
a82a5702 | 56 | #include <string.h> |
023a1df0 | 57 | #include <errno.h> |
1ac2aa23 | 58 | |
5953b9de TT |
59 | #if EXT2_FLAT_INCLUDES |
60 | #include "e2_types.h" | |
3e699064 | 61 | #include "ext2_fs.h" |
89dd6570 | 62 | #include "ext3_extents.h" |
5953b9de | 63 | #else |
797f5ef1 | 64 | #include <ext2fs/ext2_types.h> |
3e699064 | 65 | #include <ext2fs/ext2_fs.h> |
89dd6570 | 66 | #include <ext2fs/ext3_extents.h> |
e589f678 | 67 | #endif /* EXT2_FLAT_INCLUDES */ |
50e1e10f | 68 | |
832cb612 DW |
69 | typedef __u32 __bitwise ext2_ino_t; |
70 | typedef __u32 __bitwise blk_t; | |
71 | typedef __u64 __bitwise blk64_t; | |
72 | typedef __u32 __bitwise dgrp_t; | |
73 | typedef __u32 __bitwise ext2_off_t; | |
74 | typedef __u64 __bitwise ext2_off64_t; | |
75 | typedef __s64 __bitwise e2_blkcnt_t; | |
76 | typedef __u32 __bitwise ext2_dirhash_t; | |
3839e657 | 77 | |
b5abe6fa TT |
78 | #if EXT2_FLAT_INCLUDES |
79 | #include "com_err.h" | |
80 | #include "ext2_io.h" | |
81 | #include "ext2_err.h" | |
fefaef39 | 82 | #include "ext2_ext_attr.h" |
b5abe6fa | 83 | #else |
7c2d2569 TT |
84 | #include <et/com_err.h> |
85 | #include <ext2fs/ext2_io.h> | |
86 | #include <ext2fs/ext2_err.h> | |
fefaef39 | 87 | #include <ext2fs/ext2_ext_attr.h> |
b5abe6fa | 88 | #endif |
3839e657 | 89 | |
4c77fe50 TT |
90 | /* |
91 | * Portability help for Microsoft Visual C++ | |
92 | */ | |
93 | #ifdef _MSC_VER | |
94 | #define EXT2_QSORT_TYPE int __cdecl | |
95 | #else | |
96 | #define EXT2_QSORT_TYPE int | |
97 | #endif | |
98 | ||
f3db3566 TT |
99 | typedef struct struct_ext2_filsys *ext2_filsys; |
100 | ||
1e3472c5 TT |
101 | #define EXT2FS_MARK_ERROR 0 |
102 | #define EXT2FS_UNMARK_ERROR 1 | |
103 | #define EXT2FS_TEST_ERROR 2 | |
f3db3566 | 104 | |
1e3472c5 | 105 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_generic_bitmap; |
1e3472c5 | 106 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_inode_bitmap; |
1e3472c5 | 107 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_block_bitmap; |
f3db3566 | 108 | |
7f88b043 | 109 | #define EXT2_FIRST_INODE(s) EXT2_FIRST_INO(s) |
067911ae | 110 | |
7f88b043 | 111 | |
19c78dc0 | 112 | /* |
067911ae | 113 | * Badblocks list definitions |
19c78dc0 TT |
114 | */ |
115 | ||
b7a00563 TT |
116 | typedef struct ext2_struct_u32_list *ext2_badblocks_list; |
117 | typedef struct ext2_struct_u32_iterate *ext2_badblocks_iterate; | |
118 | ||
119 | typedef struct ext2_struct_u32_list *ext2_u32_list; | |
120 | typedef struct ext2_struct_u32_iterate *ext2_u32_iterate; | |
19c78dc0 TT |
121 | |
122 | /* old */ | |
b7a00563 TT |
123 | typedef struct ext2_struct_u32_list *badblocks_list; |
124 | typedef struct ext2_struct_u32_iterate *badblocks_iterate; | |
19c78dc0 TT |
125 | |
126 | #define BADBLOCKS_FLAG_DIRTY 1 | |
127 | ||
128 | /* | |
129 | * ext2_dblist structure and abstractions (see dblist.c) | |
130 | */ | |
ab13b5a9 TT |
131 | struct ext2_db_entry2 { |
132 | ext2_ino_t ino; | |
133 | blk64_t blk; | |
134 | e2_blkcnt_t blockcnt; | |
135 | }; | |
136 | ||
137 | /* Ye Olde 32-bit version */ | |
19c78dc0 | 138 | struct ext2_db_entry { |
31dbecd4 | 139 | ext2_ino_t ino; |
19c78dc0 TT |
140 | blk_t blk; |
141 | int blockcnt; | |
142 | }; | |
143 | ||
144 | typedef struct ext2_struct_dblist *ext2_dblist; | |
145 | ||
146 | #define DBLIST_ABORT 1 | |
147 | ||
30fab293 TT |
148 | /* |
149 | * ext2_fileio definitions | |
150 | */ | |
151 | ||
152 | #define EXT2_FILE_WRITE 0x0001 | |
153 | #define EXT2_FILE_CREATE 0x0002 | |
154 | ||
155 | #define EXT2_FILE_MASK 0x00FF | |
156 | ||
157 | #define EXT2_FILE_BUF_DIRTY 0x4000 | |
158 | #define EXT2_FILE_BUF_VALID 0x2000 | |
159 | ||
160 | typedef struct ext2_file *ext2_file_t; | |
161 | ||
162 | #define EXT2_SEEK_SET 0 | |
163 | #define EXT2_SEEK_CUR 1 | |
164 | #define EXT2_SEEK_END 2 | |
165 | ||
3839e657 | 166 | /* |
a112847b | 167 | * Flags for the ext2_filsys structure and for ext2fs_open() |
3839e657 | 168 | */ |
19c78dc0 TT |
169 | #define EXT2_FLAG_RW 0x01 |
170 | #define EXT2_FLAG_CHANGED 0x02 | |
171 | #define EXT2_FLAG_DIRTY 0x04 | |
172 | #define EXT2_FLAG_VALID 0x08 | |
173 | #define EXT2_FLAG_IB_DIRTY 0x10 | |
174 | #define EXT2_FLAG_BB_DIRTY 0x20 | |
5c576477 TT |
175 | #define EXT2_FLAG_SWAP_BYTES 0x40 |
176 | #define EXT2_FLAG_SWAP_BYTES_READ 0x80 | |
177 | #define EXT2_FLAG_SWAP_BYTES_WRITE 0x100 | |
178 | #define EXT2_FLAG_MASTER_SB_ONLY 0x200 | |
19c78dc0 | 179 | #define EXT2_FLAG_FORCE 0x400 |
43ec8734 | 180 | #define EXT2_FLAG_SUPER_ONLY 0x800 |
a112847b | 181 | #define EXT2_FLAG_JOURNAL_DEV_OK 0x1000 |
a78926ef | 182 | #define EXT2_FLAG_IMAGE_FILE 0x2000 |
39c47ce6 | 183 | #define EXT2_FLAG_EXCLUSIVE 0x4000 |
cf8272e1 | 184 | #define EXT2_FLAG_SOFTSUPP_FEATURES 0x8000 |
ab52e12a | 185 | #define EXT2_FLAG_NOFREE_ON_ERROR 0x10000 |
69365c68 | 186 | #define EXT2_FLAG_64BITS 0x20000 |
95fd65bb | 187 | #define EXT2_FLAG_PRINT_PROGRESS 0x40000 |
73fbe232 | 188 | #define EXT2_FLAG_DIRECT_IO 0x80000 |
0f5eba75 | 189 | #define EXT2_FLAG_SKIP_MMP 0x100000 |
5d914d72 | 190 | #define EXT2_FLAG_IGNORE_CSUM_ERRORS 0x200000 |
3839e657 | 191 | |
7f88b043 TT |
192 | /* |
193 | * Special flag in the ext2 inode i_flag field that means that this is | |
194 | * a new inode. (So that ext2_write_inode() can clear extra fields.) | |
195 | */ | |
196 | #define EXT2_NEW_INODE_FL 0x80000000 | |
197 | ||
4e246704 TT |
198 | /* |
199 | * Flags for mkjournal | |
4e246704 | 200 | */ |
6c54689f AD |
201 | #define EXT2_MKJOURNAL_V1_SUPER 0x0000001 /* create V1 superblock (deprecated) */ |
202 | #define EXT2_MKJOURNAL_LAZYINIT 0x0000002 /* don't zero journal inode before use*/ | |
304e11c2 | 203 | #define EXT2_MKJOURNAL_NO_MNT_CHECK 0x0000004 /* don't check mount status */ |
4e246704 | 204 | |
efe0b401 ES |
205 | struct opaque_ext2_group_desc; |
206 | ||
3839e657 | 207 | struct struct_ext2_filsys { |
4cbe8af4 | 208 | errcode_t magic; |
3839e657 TT |
209 | io_channel io; |
210 | int flags; | |
211 | char * device_name; | |
212 | struct ext2_super_block * super; | |
54434927 | 213 | unsigned int blocksize; |
3fbfad55 | 214 | int fragsize; |
2eb374c9 | 215 | dgrp_t group_desc_count; |
3839e657 | 216 | unsigned long desc_blocks; |
efe0b401 | 217 | struct opaque_ext2_group_desc * group_desc; |
d32c915a | 218 | unsigned int inode_blocks_per_group; |
f3db3566 TT |
219 | ext2fs_inode_bitmap inode_map; |
220 | ext2fs_block_bitmap block_map; | |
6d8b37fa | 221 | /* XXX FIXME-64: not 64-bit safe, but not used? */ |
31dbecd4 TT |
222 | errcode_t (*get_blocks)(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
223 | errcode_t (*check_directory)(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 224 | errcode_t (*write_bitmaps)(ext2_filsys fs); |
31dbecd4 | 225 | errcode_t (*read_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 226 | struct ext2_inode *inode); |
31dbecd4 | 227 | errcode_t (*write_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 228 | struct ext2_inode *inode); |
b7a00563 | 229 | ext2_badblocks_list badblocks; |
19c78dc0 | 230 | ext2_dblist dblist; |
a29f4d30 | 231 | __u32 stride; /* for mke2fs */ |
c180ac86 | 232 | struct ext2_super_block * orig_super; |
a78926ef | 233 | struct ext2_image_hdr * image_header; |
6a525069 | 234 | __u32 umask; |
9b9a780f | 235 | time_t now; |
3fbfad55 | 236 | int cluster_ratio_bits; |
67861e5b TT |
237 | __u16 default_bitmap_type; |
238 | __u16 pad; | |
19c78dc0 TT |
239 | /* |
240 | * Reserved for future expansion | |
241 | */ | |
67861e5b | 242 | __u32 reserved[5]; |
3839e657 TT |
243 | |
244 | /* | |
a29f4d30 | 245 | * Reserved for the use of the calling application. |
3839e657 | 246 | */ |
b5abe6fa | 247 | void * priv_data; |
a29f4d30 TT |
248 | |
249 | /* | |
250 | * Inode cache | |
251 | */ | |
252 | struct ext2_inode_cache *icache; | |
1ad54a94 | 253 | io_channel image_io; |
f5c562e2 | 254 | |
5fff8636 TT |
255 | /* |
256 | * More callback functions | |
257 | */ | |
258 | errcode_t (*get_alloc_block)(ext2_filsys fs, blk64_t goal, | |
259 | blk64_t *ret); | |
260 | void (*block_alloc_stats)(ext2_filsys fs, blk64_t blk, int inuse); | |
261 | ||
0f5eba75 AD |
262 | /* |
263 | * Buffers for Multiple mount protection(MMP) block. | |
264 | */ | |
265 | void *mmp_buf; | |
266 | void *mmp_cmp; | |
267 | int mmp_fd; | |
268 | ||
269 | /* | |
270 | * Time at which e2fsck last updated the MMP block. | |
271 | */ | |
272 | long mmp_last_written; | |
dfe74c5c TT |
273 | |
274 | /* progress operation functions */ | |
275 | struct ext2fs_progress_ops *progress_ops; | |
4ffbe3af DW |
276 | |
277 | /* Precomputed FS UUID checksum for seeding other checksums */ | |
278 | __u32 csum_seed; | |
759c46cf DW |
279 | |
280 | io_channel journal_io; | |
281 | char *journal_name; | |
647e8786 DW |
282 | |
283 | /* New block range allocation hooks */ | |
284 | errcode_t (*new_range)(ext2_filsys fs, int flags, blk64_t goal, | |
285 | blk64_t len, blk64_t *pblk, blk64_t *plen); | |
286 | void (*block_alloc_stats_range)(ext2_filsys fs, blk64_t blk, blk_t num, | |
287 | int inuse); | |
3839e657 TT |
288 | }; |
289 | ||
5953b9de TT |
290 | #if EXT2_FLAT_INCLUDES |
291 | #include "e2_bitops.h" | |
292 | #else | |
7c2d2569 | 293 | #include <ext2fs/bitops.h> |
5953b9de | 294 | #endif |
d40259fd | 295 | |
67861e5b TT |
296 | /* |
297 | * 64-bit bitmap backend types | |
298 | */ | |
67861e5b | 299 | #define EXT2FS_BMAP64_BITARRAY 1 |
c1359d91 | 300 | #define EXT2FS_BMAP64_RBTREE 2 |
d182831a | 301 | #define EXT2FS_BMAP64_AUTODIR 3 |
67861e5b | 302 | |
3839e657 TT |
303 | /* |
304 | * Return flags for the block iterator functions | |
305 | */ | |
416c1de9 ZL |
306 | #define BLOCK_CHANGED 1 |
307 | #define BLOCK_ABORT 2 | |
308 | #define BLOCK_ERROR 4 | |
309 | #define BLOCK_INLINE_DATA_CHANGED 8 | |
3839e657 TT |
310 | |
311 | /* | |
312 | * Block interate flags | |
50e1e10f TT |
313 | * |
314 | * BLOCK_FLAG_APPEND, or BLOCK_FLAG_HOLE, indicates that the interator | |
315 | * function should be called on blocks where the block number is zero. | |
316 | * This is used by ext2fs_expand_dir() to be able to add a new block | |
317 | * to an inode. It can also be used for programs that want to be able | |
318 | * to deal with files that contain "holes". | |
efc6f628 | 319 | * |
7447921d TT |
320 | * BLOCK_FLAG_DEPTH_TRAVERSE indicates that the iterator function for |
321 | * the indirect, doubly indirect, etc. blocks should be called after | |
322 | * all of the blocks containined in the indirect blocks are processed. | |
50e1e10f TT |
323 | * This is useful if you are going to be deallocating blocks from an |
324 | * inode. | |
1e3472c5 TT |
325 | * |
326 | * BLOCK_FLAG_DATA_ONLY indicates that the iterator function should be | |
327 | * called for data blocks only. | |
674a4ee1 | 328 | * |
efc6f628 | 329 | * BLOCK_FLAG_READ_ONLY is a promise by the caller that it will not |
357d1863 TT |
330 | * modify returned block number. |
331 | * | |
674a4ee1 | 332 | * BLOCK_FLAG_NO_LARGE is for internal use only. It informs |
36a43d67 | 333 | * ext2fs_block_iterate2 that large files won't be accepted. |
3839e657 TT |
334 | */ |
335 | #define BLOCK_FLAG_APPEND 1 | |
50e1e10f | 336 | #define BLOCK_FLAG_HOLE 1 |
3839e657 | 337 | #define BLOCK_FLAG_DEPTH_TRAVERSE 2 |
1e3472c5 | 338 | #define BLOCK_FLAG_DATA_ONLY 4 |
357d1863 | 339 | #define BLOCK_FLAG_READ_ONLY 8 |
1e3472c5 | 340 | |
674a4ee1 TT |
341 | #define BLOCK_FLAG_NO_LARGE 0x1000 |
342 | ||
1e3472c5 TT |
343 | /* |
344 | * Magic "block count" return values for the block iterator function. | |
345 | */ | |
346 | #define BLOCK_COUNT_IND (-1) | |
347 | #define BLOCK_COUNT_DIND (-2) | |
348 | #define BLOCK_COUNT_TIND (-3) | |
349 | #define BLOCK_COUNT_TRANSLATOR (-4) | |
3839e657 | 350 | |
4a31c48b | 351 | #if 0 |
1e1da29f TT |
352 | /* |
353 | * Flags for ext2fs_move_blocks | |
354 | */ | |
efc6f628 | 355 | #define EXT2_BMOVE_GET_DBLIST 0x0001 |
36f21439 | 356 | #define EXT2_BMOVE_DEBUG 0x0002 |
4a31c48b | 357 | #endif |
1e1da29f | 358 | |
3eb07f64 TT |
359 | /* |
360 | * Generic (non-filesystem layout specific) extents structure | |
361 | */ | |
362 | ||
363 | #define EXT2_EXTENT_FLAGS_LEAF 0x0001 | |
364 | #define EXT2_EXTENT_FLAGS_UNINIT 0x0002 | |
365 | #define EXT2_EXTENT_FLAGS_SECOND_VISIT 0x0004 | |
366 | ||
367 | struct ext2fs_extent { | |
368 | blk64_t e_pblk; /* first physical block */ | |
369 | blk64_t e_lblk; /* first logical block extent covers */ | |
370 | __u32 e_len; /* number of blocks covered by extent */ | |
371 | __u32 e_flags; /* extent flags */ | |
372 | }; | |
373 | ||
374 | typedef struct ext2_extent_handle *ext2_extent_handle_t; | |
375 | typedef struct ext2_extent_path *ext2_extent_path_t; | |
376 | ||
377 | /* | |
378 | * Flags used by ext2fs_extent_get() | |
379 | */ | |
380 | #define EXT2_EXTENT_CURRENT 0x0000 | |
381 | #define EXT2_EXTENT_MOVE_MASK 0x000F | |
382 | #define EXT2_EXTENT_ROOT 0x0001 | |
383 | #define EXT2_EXTENT_LAST_LEAF 0x0002 | |
384 | #define EXT2_EXTENT_FIRST_SIB 0x0003 | |
385 | #define EXT2_EXTENT_LAST_SIB 0x0004 | |
386 | #define EXT2_EXTENT_NEXT_SIB 0x0005 | |
387 | #define EXT2_EXTENT_PREV_SIB 0x0006 | |
388 | #define EXT2_EXTENT_NEXT_LEAF 0x0007 | |
389 | #define EXT2_EXTENT_PREV_LEAF 0x0008 | |
390 | #define EXT2_EXTENT_NEXT 0x0009 | |
391 | #define EXT2_EXTENT_PREV 0x000A | |
392 | #define EXT2_EXTENT_UP 0x000B | |
393 | #define EXT2_EXTENT_DOWN 0x000C | |
394 | #define EXT2_EXTENT_DOWN_AND_LAST 0x000D | |
395 | ||
396 | /* | |
397 | * Flags used by ext2fs_extent_insert() | |
398 | */ | |
01229db5 ES |
399 | #define EXT2_EXTENT_INSERT_AFTER 0x0001 /* insert after handle loc'n */ |
400 | #define EXT2_EXTENT_INSERT_NOSPLIT 0x0002 /* insert may not cause split */ | |
3eb07f64 | 401 | |
c802ad9e ES |
402 | /* |
403 | * Flags used by ext2fs_extent_delete() | |
404 | */ | |
405 | #define EXT2_EXTENT_DELETE_KEEP_EMPTY 0x001 /* keep node if last extnt gone */ | |
406 | ||
f4e9963c ES |
407 | /* |
408 | * Flags used by ext2fs_extent_set_bmap() | |
409 | */ | |
410 | #define EXT2_EXTENT_SET_BMAP_UNINIT 0x0001 | |
411 | ||
3eb07f64 TT |
412 | /* |
413 | * Data structure returned by ext2fs_extent_get_info() | |
414 | */ | |
415 | struct ext2_extent_info { | |
416 | int curr_entry; | |
417 | int curr_level; | |
418 | int num_entries; | |
419 | int max_entries; | |
420 | int max_depth; | |
421 | int bytes_avail; | |
422 | blk64_t max_lblk; | |
423 | blk64_t max_pblk; | |
424 | __u32 max_len; | |
425 | __u32 max_uninit_len; | |
426 | }; | |
427 | ||
f9190c8a TT |
428 | /* |
429 | * Flags for directory block reading and writing functions | |
430 | */ | |
431 | #define EXT2_DIRBLOCK_V2_STRUCT 0x0001 | |
432 | ||
3839e657 TT |
433 | /* |
434 | * Return flags for the directory iterator functions | |
435 | */ | |
436 | #define DIRENT_CHANGED 1 | |
437 | #define DIRENT_ABORT 2 | |
438 | #define DIRENT_ERROR 3 | |
439 | ||
440 | /* | |
441 | * Directory iterator flags | |
442 | */ | |
443 | ||
444 | #define DIRENT_FLAG_INCLUDE_EMPTY 1 | |
8bd0c959 | 445 | #define DIRENT_FLAG_INCLUDE_REMOVED 2 |
41bf5993 | 446 | #define DIRENT_FLAG_INCLUDE_CSUM 4 |
416c1de9 | 447 | #define DIRENT_FLAG_INCLUDE_INLINE_DATA 8 |
19c78dc0 TT |
448 | |
449 | #define DIRENT_DOT_FILE 1 | |
450 | #define DIRENT_DOT_DOT_FILE 2 | |
451 | #define DIRENT_OTHER_FILE 3 | |
8bd0c959 | 452 | #define DIRENT_DELETED_FILE 4 |
41bf5993 | 453 | #define DIRENT_CHECKSUM 5 |
19c78dc0 | 454 | |
3839e657 TT |
455 | /* |
456 | * Inode scan definitions | |
457 | */ | |
f3db3566 TT |
458 | typedef struct ext2_struct_inode_scan *ext2_inode_scan; |
459 | ||
19c78dc0 TT |
460 | /* |
461 | * ext2fs_scan flags | |
462 | */ | |
463 | #define EXT2_SF_CHK_BADBLOCKS 0x0001 | |
464 | #define EXT2_SF_BAD_INODE_BLK 0x0002 | |
465 | #define EXT2_SF_BAD_EXTRA_BYTES 0x0004 | |
466 | #define EXT2_SF_SKIP_MISSING_ITABLE 0x0008 | |
f5fa2007 | 467 | #define EXT2_SF_DO_LAZY 0x0010 |
68d70624 | 468 | #define EXT2_SF_WARN_GARBAGE_INODES 0x0020 |
3839e657 | 469 | |
50e1e10f TT |
470 | /* |
471 | * ext2fs_check_if_mounted flags | |
472 | */ | |
473 | #define EXT2_MF_MOUNTED 1 | |
474 | #define EXT2_MF_ISROOT 2 | |
19c78dc0 | 475 | #define EXT2_MF_READONLY 4 |
07cefe7a | 476 | #define EXT2_MF_SWAP 8 |
2fa8f37f | 477 | #define EXT2_MF_BUSY 16 |
50e1e10f TT |
478 | |
479 | /* | |
480 | * Ext2/linux mode flags. We define them here so that we don't need | |
481 | * to depend on the OS's sys/stat.h, since we may be compiling on a | |
482 | * non-Linux system. | |
483 | */ | |
484 | #define LINUX_S_IFMT 00170000 | |
485 | #define LINUX_S_IFSOCK 0140000 | |
486 | #define LINUX_S_IFLNK 0120000 | |
487 | #define LINUX_S_IFREG 0100000 | |
488 | #define LINUX_S_IFBLK 0060000 | |
489 | #define LINUX_S_IFDIR 0040000 | |
490 | #define LINUX_S_IFCHR 0020000 | |
491 | #define LINUX_S_IFIFO 0010000 | |
492 | #define LINUX_S_ISUID 0004000 | |
493 | #define LINUX_S_ISGID 0002000 | |
494 | #define LINUX_S_ISVTX 0001000 | |
495 | ||
1e3472c5 TT |
496 | #define LINUX_S_IRWXU 00700 |
497 | #define LINUX_S_IRUSR 00400 | |
498 | #define LINUX_S_IWUSR 00200 | |
499 | #define LINUX_S_IXUSR 00100 | |
500 | ||
501 | #define LINUX_S_IRWXG 00070 | |
502 | #define LINUX_S_IRGRP 00040 | |
503 | #define LINUX_S_IWGRP 00020 | |
504 | #define LINUX_S_IXGRP 00010 | |
505 | ||
506 | #define LINUX_S_IRWXO 00007 | |
507 | #define LINUX_S_IROTH 00004 | |
508 | #define LINUX_S_IWOTH 00002 | |
509 | #define LINUX_S_IXOTH 00001 | |
510 | ||
50e1e10f TT |
511 | #define LINUX_S_ISLNK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFLNK) |
512 | #define LINUX_S_ISREG(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFREG) | |
513 | #define LINUX_S_ISDIR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFDIR) | |
514 | #define LINUX_S_ISCHR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFCHR) | |
515 | #define LINUX_S_ISBLK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFBLK) | |
516 | #define LINUX_S_ISFIFO(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFIFO) | |
517 | #define LINUX_S_ISSOCK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK) | |
518 | ||
819157db TT |
519 | /* |
520 | * ext2 size of an inode | |
521 | */ | |
522 | #define EXT2_I_SIZE(i) ((i)->i_size | ((__u64) (i)->i_size_high << 32)) | |
523 | ||
19c78dc0 TT |
524 | /* |
525 | * ext2_icount_t abstraction | |
526 | */ | |
527 | #define EXT2_ICOUNT_OPT_INCREMENT 0x01 | |
528 | ||
529 | typedef struct ext2_icount *ext2_icount_t; | |
530 | ||
30fab293 TT |
531 | /* |
532 | * Flags for ext2fs_bmap | |
533 | */ | |
1d667534 TT |
534 | #define BMAP_ALLOC 0x0001 |
535 | #define BMAP_SET 0x0002 | |
60a212f7 DW |
536 | #define BMAP_UNINIT 0x0004 |
537 | #define BMAP_ZERO 0x0008 | |
30fab293 | 538 | |
cc9bf5d2 TT |
539 | /* |
540 | * Returned flags from ext2fs_bmap | |
541 | */ | |
542 | #define BMAP_RET_UNINIT 0x0001 | |
543 | ||
72ed1264 TT |
544 | /* |
545 | * Flags for imager.c functions | |
546 | */ | |
547 | #define IMAGER_FLAG_INODEMAP 1 | |
548 | #define IMAGER_FLAG_SPARSEWRITE 2 | |
549 | ||
f3db3566 TT |
550 | /* |
551 | * For checking structure magic numbers... | |
552 | */ | |
3839e657 | 553 | |
f3db3566 TT |
554 | #define EXT2_CHECK_MAGIC(struct, code) \ |
555 | if ((struct)->magic != (code)) return (code) | |
1e3472c5 | 556 | |
521e3685 | 557 | /* |
426d734f | 558 | * Features supported by this version of the library |
521e3685 | 559 | */ |
3a5f8eaa TT |
560 | #define EXT2_LIB_FEATURE_COMPAT_SUPP (EXT2_FEATURE_COMPAT_DIR_PREALLOC|\ |
561 | EXT2_FEATURE_COMPAT_IMAGIC_INODES|\ | |
342d847d | 562 | EXT3_FEATURE_COMPAT_HAS_JOURNAL|\ |
d323f8fb | 563 | EXT2_FEATURE_COMPAT_RESIZE_INODE|\ |
52783e0c | 564 | EXT2_FEATURE_COMPAT_DIR_INDEX|\ |
65c6c3e0 TT |
565 | EXT2_FEATURE_COMPAT_EXT_ATTR|\ |
566 | EXT4_FEATURE_COMPAT_SPARSE_SUPER2) | |
2fe1efe2 | 567 | |
d6a4bcb5 TB |
568 | #ifdef CONFIG_MMP |
569 | #define EXT4_LIB_INCOMPAT_MMP EXT4_FEATURE_INCOMPAT_MMP | |
570 | #else | |
571 | #define EXT4_LIB_INCOMPAT_MMP (0) | |
572 | #endif | |
573 | ||
ab146766 | 574 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ |
a112847b | 575 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ |
c046ac7f | 576 | EXT2_FEATURE_INCOMPAT_META_BG|\ |
c2d4300b | 577 | EXT3_FEATURE_INCOMPAT_RECOVER|\ |
15d482ba | 578 | EXT3_FEATURE_INCOMPAT_EXTENTS|\ |
02d6f47e | 579 | EXT4_FEATURE_INCOMPAT_FLEX_BG|\ |
d6a4bcb5 | 580 | EXT4_LIB_INCOMPAT_MMP|\ |
448cc0e4 | 581 | EXT4_FEATURE_INCOMPAT_64BIT|\ |
bbb85949 | 582 | EXT4_FEATURE_INCOMPAT_INLINE_DATA|\ |
2ed0adbc DW |
583 | EXT4_FEATURE_INCOMPAT_ENCRYPT|\ |
584 | EXT4_FEATURE_INCOMPAT_CSUM_SEED) | |
2aac4777 | 585 | |
7becb206 TT |
586 | #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\ |
587 | EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\ | |
588 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\ | |
589 | EXT4_FEATURE_RO_COMPAT_DIR_NLINK|\ | |
590 | EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\ | |
591 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\ | |
3e752286 | 592 | EXT4_FEATURE_RO_COMPAT_BIGALLOC|\ |
9e8fcd6e | 593 | EXT4_FEATURE_RO_COMPAT_QUOTA|\ |
8b39e4cf | 594 | EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|\ |
0c18d036 LX |
595 | EXT4_FEATURE_RO_COMPAT_READONLY |\ |
596 | EXT4_FEATURE_RO_COMPAT_PROJECT) | |
cf8272e1 TT |
597 | |
598 | /* | |
599 | * These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed | |
600 | * to ext2fs_openfs() | |
601 | */ | |
bbb85949 | 602 | #define EXT2_LIB_SOFTSUPP_INCOMPAT (0) |
991211f6 | 603 | #define EXT2_LIB_SOFTSUPP_RO_COMPAT (EXT4_FEATURE_RO_COMPAT_REPLICA) |
cf8272e1 | 604 | |
1da5ef70 TT |
605 | |
606 | /* Translate a block number to a cluster number */ | |
607 | #define EXT2FS_CLUSTER_RATIO(fs) (1 << (fs)->cluster_ratio_bits) | |
608 | #define EXT2FS_CLUSTER_MASK(fs) (EXT2FS_CLUSTER_RATIO(fs) - 1) | |
609 | #define EXT2FS_B2C(fs, blk) ((blk) >> (fs)->cluster_ratio_bits) | |
610 | /* Translate a cluster number to a block number */ | |
611 | #define EXT2FS_C2B(fs, cluster) ((cluster) << (fs)->cluster_ratio_bits) | |
612 | /* Translate # of blks to # of clusters */ | |
613 | #define EXT2FS_NUM_B2C(fs, blks) (((blks) + EXT2FS_CLUSTER_MASK(fs)) >> \ | |
614 | (fs)->cluster_ratio_bits) | |
615 | ||
a9f46078 | 616 | #if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED) |
c859cb1d LC |
617 | typedef struct stat64 ext2fs_struct_stat; |
618 | #else | |
619 | typedef struct stat ext2fs_struct_stat; | |
620 | #endif | |
621 | ||
9d9a53e6 RJ |
622 | /* |
623 | * For ext2fs_close2() and ext2fs_flush2(), this flag allows you to | |
624 | * avoid the fsync call. | |
625 | */ | |
626 | #define EXT2_FLAG_FLUSH_NO_SYNC 1 | |
627 | ||
2077c208 DW |
628 | /* |
629 | * Modify and iterate extended attributes | |
630 | */ | |
631 | struct ext2_xattr_handle; | |
632 | #define XATTR_ABORT 1 | |
633 | #define XATTR_CHANGED 2 | |
634 | ||
3839e657 TT |
635 | /* |
636 | * function prototypes | |
637 | */ | |
5b58dc23 DW |
638 | static inline int ext2fs_has_group_desc_csum(ext2_filsys fs) |
639 | { | |
77b3e987 DW |
640 | return ext2fs_has_feature_metadata_csum(fs->super) || |
641 | ext2fs_has_feature_gdt_csum(fs->super); | |
5b58dc23 | 642 | } |
3839e657 | 643 | |
3b6c0938 DW |
644 | /* The LARGE_FILE feature should be set if we have stored files 2GB+ in size */ |
645 | static inline int ext2fs_needs_large_file_feature(unsigned long long file_size) | |
646 | { | |
647 | return file_size >= 0x80000000ULL; | |
648 | } | |
649 | ||
3839e657 | 650 | /* alloc.c */ |
31dbecd4 TT |
651 | extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode, |
652 | ext2fs_inode_bitmap map, ext2_ino_t *ret); | |
3839e657 | 653 | extern errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal, |
f3db3566 | 654 | ext2fs_block_bitmap map, blk_t *ret); |
8a5e1812 JS |
655 | extern errcode_t ext2fs_new_block2(ext2_filsys fs, blk64_t goal, |
656 | ext2fs_block_bitmap map, blk64_t *ret); | |
3839e657 | 657 | extern errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, |
f3db3566 TT |
658 | blk_t finish, int num, |
659 | ext2fs_block_bitmap map, | |
3839e657 | 660 | blk_t *ret); |
8a5e1812 JS |
661 | extern errcode_t ext2fs_get_free_blocks2(ext2_filsys fs, blk64_t start, |
662 | blk64_t finish, int num, | |
663 | ext2fs_block_bitmap map, | |
664 | blk64_t *ret); | |
30fab293 TT |
665 | extern errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal, |
666 | char *block_buf, blk_t *ret); | |
8a5e1812 JS |
667 | extern errcode_t ext2fs_alloc_block2(ext2_filsys fs, blk64_t goal, |
668 | char *block_buf, blk64_t *ret); | |
efc6f628 | 669 | extern void ext2fs_set_alloc_block_callback(ext2_filsys fs, |
f5c562e2 TT |
670 | errcode_t (*func)(ext2_filsys fs, |
671 | blk64_t goal, | |
672 | blk64_t *ret), | |
673 | errcode_t (**old)(ext2_filsys fs, | |
674 | blk64_t goal, | |
675 | blk64_t *ret)); | |
7b486ec0 DW |
676 | blk64_t ext2fs_find_inode_goal(ext2_filsys fs, ext2_ino_t ino, |
677 | struct ext2_inode *inode, blk64_t lblk); | |
647e8786 DW |
678 | extern void ext2fs_set_new_range_callback(ext2_filsys fs, |
679 | errcode_t (*func)(ext2_filsys fs, int flags, blk64_t goal, | |
680 | blk64_t len, blk64_t *pblk, blk64_t *plen), | |
681 | errcode_t (**old)(ext2_filsys fs, int flags, blk64_t goal, | |
682 | blk64_t len, blk64_t *pblk, blk64_t *plen)); | |
683 | extern void ext2fs_set_block_alloc_stats_range_callback(ext2_filsys fs, | |
684 | void (*func)(ext2_filsys fs, blk64_t blk, | |
685 | blk_t num, int inuse), | |
686 | void (**old)(ext2_filsys fs, blk64_t blk, | |
687 | blk_t num, int inuse)); | |
5a980264 DW |
688 | #define EXT2_NEWRANGE_FIXED_GOAL (0x1) |
689 | #define EXT2_NEWRANGE_MIN_LENGTH (0x2) | |
690 | #define EXT2_NEWRANGE_ALL_FLAGS (0x3) | |
691 | errcode_t ext2fs_new_range(ext2_filsys fs, int flags, blk64_t goal, | |
692 | blk64_t len, ext2fs_block_bitmap map, blk64_t *pblk, | |
693 | blk64_t *plen); | |
694 | #define EXT2_ALLOCRANGE_FIXED_GOAL (0x1) | |
695 | #define EXT2_ALLOCRANGE_ZERO_BLOCKS (0x2) | |
696 | #define EXT2_ALLOCRANGE_ALL_FLAGS (0x3) | |
697 | errcode_t ext2fs_alloc_range(ext2_filsys fs, int flags, blk64_t goal, | |
698 | blk_t len, blk64_t *ret); | |
3839e657 | 699 | |
ef344e13 | 700 | /* alloc_sb.c */ |
efc6f628 | 701 | extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs, |
ef344e13 TT |
702 | dgrp_t group, |
703 | ext2fs_block_bitmap bmap); | |
efc6f628 | 704 | extern void ext2fs_set_block_alloc_stats_callback(ext2_filsys fs, |
f5c562e2 TT |
705 | void (*func)(ext2_filsys fs, |
706 | blk64_t blk, | |
707 | int inuse), | |
708 | void (**old)(ext2_filsys fs, | |
709 | blk64_t blk, | |
710 | int inuse)); | |
ef344e13 | 711 | |
8bd0c959 TT |
712 | /* alloc_stats.c */ |
713 | void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse); | |
7f961d42 TT |
714 | void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, |
715 | int inuse, int isdir); | |
8bd0c959 | 716 | void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse); |
e8328e31 | 717 | void ext2fs_block_alloc_stats2(ext2_filsys fs, blk64_t blk, int inuse); |
5c41451e TT |
718 | void ext2fs_block_alloc_stats_range(ext2_filsys fs, blk64_t blk, |
719 | blk_t num, int inuse); | |
8bd0c959 | 720 | |
1e1da29f TT |
721 | /* alloc_tables.c */ |
722 | extern errcode_t ext2fs_allocate_tables(ext2_filsys fs); | |
2eb374c9 | 723 | extern errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, |
1e1da29f | 724 | ext2fs_block_bitmap bmap); |
19c78dc0 | 725 | |
3839e657 | 726 | /* badblocks.c */ |
b7a00563 TT |
727 | extern errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size); |
728 | extern errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk); | |
54434927 | 729 | extern int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk); |
b7a00563 TT |
730 | extern int ext2fs_u32_list_test(ext2_u32_list bb, blk_t blk); |
731 | extern errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, | |
732 | ext2_u32_iterate *ret); | |
733 | extern int ext2fs_u32_list_iterate(ext2_u32_iterate iter, blk_t *blk); | |
734 | extern void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter); | |
735 | extern errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest); | |
736 | extern int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2); | |
737 | ||
19c78dc0 TT |
738 | extern errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, |
739 | int size); | |
19c78dc0 TT |
740 | extern errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, |
741 | blk_t blk); | |
742 | extern int ext2fs_badblocks_list_test(ext2_badblocks_list bb, | |
743 | blk_t blk); | |
7d7bdd57 TT |
744 | extern int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk); |
745 | extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk); | |
19c78dc0 TT |
746 | extern errcode_t |
747 | ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, | |
748 | ext2_badblocks_iterate *ret); | |
749 | extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, | |
750 | blk_t *blk); | |
751 | extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter); | |
a29f4d30 TT |
752 | extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, |
753 | ext2_badblocks_list *dest); | |
57dca854 TT |
754 | extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1, |
755 | ext2_badblocks_list bb2); | |
220c0040 | 756 | extern int ext2fs_u32_list_count(ext2_u32_list bb); |
19c78dc0 TT |
757 | |
758 | /* bb_compat */ | |
3839e657 | 759 | extern errcode_t badblocks_list_create(badblocks_list *ret, int size); |
3839e657 TT |
760 | extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk); |
761 | extern int badblocks_list_test(badblocks_list bb, blk_t blk); | |
762 | extern errcode_t badblocks_list_iterate_begin(badblocks_list bb, | |
763 | badblocks_iterate *ret); | |
764 | extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk); | |
765 | extern void badblocks_list_iterate_end(badblocks_iterate iter); | |
a29f4d30 | 766 | extern void badblocks_list_free(badblocks_list bb); |
3839e657 TT |
767 | |
768 | /* bb_inode.c */ | |
769 | extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs, | |
19c78dc0 | 770 | ext2_badblocks_list bb_list); |
3839e657 TT |
771 | |
772 | /* bitmaps.c */ | |
a0553c9d TT |
773 | extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap); |
774 | extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap); | |
f1f115a7 TT |
775 | extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, |
776 | ext2fs_generic_bitmap *dest); | |
3839e657 TT |
777 | extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs); |
778 | extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs); | |
779 | extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs); | |
780 | extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs); | |
50e1e10f TT |
781 | extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, |
782 | const char *descr, | |
783 | ext2fs_block_bitmap *ret); | |
94968e74 TT |
784 | extern errcode_t ext2fs_allocate_subcluster_bitmap(ext2_filsys fs, |
785 | const char *descr, | |
786 | ext2fs_block_bitmap *ret); | |
787 | extern int ext2fs_get_bitmap_granularity(ext2fs_block_bitmap bitmap); | |
50e1e10f TT |
788 | extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, |
789 | const char *descr, | |
790 | ext2fs_inode_bitmap *ret); | |
791 | extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, | |
31dbecd4 | 792 | ext2_ino_t end, ext2_ino_t *oend); |
50e1e10f TT |
793 | extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, |
794 | blk_t end, blk_t *oend); | |
8f82ef98 VAH |
795 | extern errcode_t ext2fs_fudge_block_bitmap_end2(ext2fs_block_bitmap bitmap, |
796 | blk64_t end, blk64_t *oend); | |
50e1e10f TT |
797 | extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap); |
798 | extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap); | |
3839e657 TT |
799 | extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs); |
800 | extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs); | |
50448d3d TT |
801 | extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, |
802 | ext2fs_inode_bitmap bmap); | |
8f82ef98 VAH |
803 | extern errcode_t ext2fs_resize_inode_bitmap2(__u64 new_end, |
804 | __u64 new_real_end, | |
805 | ext2fs_inode_bitmap bmap); | |
50448d3d TT |
806 | extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, |
807 | ext2fs_block_bitmap bmap); | |
8f82ef98 VAH |
808 | extern errcode_t ext2fs_resize_block_bitmap2(__u64 new_end, |
809 | __u64 new_real_end, | |
810 | ext2fs_block_bitmap bmap); | |
50448d3d TT |
811 | extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, |
812 | ext2fs_block_bitmap bm2); | |
813 | extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, | |
814 | ext2fs_inode_bitmap bm2); | |
f1f115a7 TT |
815 | extern errcode_t ext2fs_set_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
816 | ext2_ino_t start, unsigned int num, | |
817 | void *in); | |
8f82ef98 VAH |
818 | extern errcode_t ext2fs_set_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
819 | __u64 start, size_t num, | |
820 | void *in); | |
f1f115a7 TT |
821 | extern errcode_t ext2fs_get_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
822 | ext2_ino_t start, unsigned int num, | |
823 | void *out); | |
8f82ef98 VAH |
824 | extern errcode_t ext2fs_get_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
825 | __u64 start, size_t num, | |
826 | void *out); | |
f1f115a7 TT |
827 | extern errcode_t ext2fs_set_block_bitmap_range(ext2fs_block_bitmap bmap, |
828 | blk_t start, unsigned int num, | |
829 | void *in); | |
8f82ef98 VAH |
830 | extern errcode_t ext2fs_set_block_bitmap_range2(ext2fs_block_bitmap bmap, |
831 | blk64_t start, size_t num, | |
832 | void *in); | |
f1f115a7 TT |
833 | extern errcode_t ext2fs_get_block_bitmap_range(ext2fs_block_bitmap bmap, |
834 | blk_t start, unsigned int num, | |
835 | void *out); | |
8f82ef98 VAH |
836 | extern errcode_t ext2fs_get_block_bitmap_range2(ext2fs_block_bitmap bmap, |
837 | blk64_t start, size_t num, | |
838 | void *out); | |
50448d3d | 839 | |
e3854b3b | 840 | /* blknum.c */ |
a80ea340 | 841 | extern __u32 ext2fs_inode_bitmap_checksum(ext2_filsys fs, dgrp_t group); |
e7dc95c6 | 842 | extern __u32 ext2fs_block_bitmap_checksum(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
843 | extern dgrp_t ext2fs_group_of_blk2(ext2_filsys fs, blk64_t); |
844 | extern blk64_t ext2fs_group_first_block2(ext2_filsys fs, dgrp_t group); | |
845 | extern blk64_t ext2fs_group_last_block2(ext2_filsys fs, dgrp_t group); | |
98f45471 | 846 | extern int ext2fs_group_blocks_count(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
847 | extern blk64_t ext2fs_inode_data_blocks2(ext2_filsys fs, |
848 | struct ext2_inode *inode); | |
849 | extern blk64_t ext2fs_inode_i_blocks(ext2_filsys fs, | |
850 | struct ext2_inode *inode); | |
851 | extern blk64_t ext2fs_blocks_count(struct ext2_super_block *super); | |
852 | extern void ext2fs_blocks_count_set(struct ext2_super_block *super, | |
853 | blk64_t blk); | |
854 | extern void ext2fs_blocks_count_add(struct ext2_super_block *super, | |
855 | blk64_t blk); | |
856 | extern blk64_t ext2fs_r_blocks_count(struct ext2_super_block *super); | |
857 | extern void ext2fs_r_blocks_count_set(struct ext2_super_block *super, | |
858 | blk64_t blk); | |
859 | extern void ext2fs_r_blocks_count_add(struct ext2_super_block *super, | |
860 | blk64_t blk); | |
861 | extern blk64_t ext2fs_free_blocks_count(struct ext2_super_block *super); | |
862 | extern void ext2fs_free_blocks_count_set(struct ext2_super_block *super, | |
863 | blk64_t blk); | |
864 | extern void ext2fs_free_blocks_count_add(struct ext2_super_block *super, | |
865 | blk64_t blk); | |
866 | /* Block group descriptor accessor functions */ | |
867 | extern struct ext2_group_desc *ext2fs_group_desc(ext2_filsys fs, | |
efe0b401 | 868 | struct opaque_ext2_group_desc *gdp, |
e3854b3b | 869 | dgrp_t group); |
e7dc95c6 | 870 | extern blk64_t ext2fs_block_bitmap_csum(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
871 | extern blk64_t ext2fs_block_bitmap_loc(ext2_filsys fs, dgrp_t group); |
872 | extern void ext2fs_block_bitmap_loc_set(ext2_filsys fs, dgrp_t group, | |
873 | blk64_t blk); | |
a80ea340 | 874 | extern __u32 ext2fs_inode_bitmap_csum(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
875 | extern blk64_t ext2fs_inode_bitmap_loc(ext2_filsys fs, dgrp_t group); |
876 | extern void ext2fs_inode_bitmap_loc_set(ext2_filsys fs, dgrp_t group, | |
877 | blk64_t blk); | |
878 | extern blk64_t ext2fs_inode_table_loc(ext2_filsys fs, dgrp_t group); | |
879 | extern void ext2fs_inode_table_loc_set(ext2_filsys fs, dgrp_t group, | |
880 | blk64_t blk); | |
d62d218f | 881 | extern __u32 ext2fs_bg_free_blocks_count(ext2_filsys fs, dgrp_t group); |
e3854b3b | 882 | extern void ext2fs_bg_free_blocks_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
883 | __u32 n); |
884 | extern __u32 ext2fs_bg_free_inodes_count(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 885 | extern void ext2fs_bg_free_inodes_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
886 | __u32 n); |
887 | extern __u32 ext2fs_bg_used_dirs_count(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 888 | extern void ext2fs_bg_used_dirs_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
889 | __u32 n); |
890 | extern __u32 ext2fs_bg_itable_unused(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 891 | extern void ext2fs_bg_itable_unused_set(ext2_filsys fs, dgrp_t group, |
d62d218f | 892 | __u32 n); |
e3854b3b | 893 | extern __u16 ext2fs_bg_flags(ext2_filsys fs, dgrp_t group); |
e633b58a | 894 | extern void ext2fs_bg_flags_zap(ext2_filsys fs, dgrp_t group); |
cd65a24e | 895 | extern int ext2fs_bg_flags_test(ext2_filsys fs, dgrp_t group, __u16 bg_flag); |
e633b58a ES |
896 | extern void ext2fs_bg_flags_set(ext2_filsys fs, dgrp_t group, __u16 bg_flags); |
897 | extern void ext2fs_bg_flags_clear(ext2_filsys fs, dgrp_t group, __u16 bg_flags); | |
e3854b3b JS |
898 | extern __u16 ext2fs_bg_checksum(ext2_filsys fs, dgrp_t group); |
899 | extern void ext2fs_bg_checksum_set(ext2_filsys fs, dgrp_t group, __u16 checksum); | |
0c80c44b TT |
900 | extern blk64_t ext2fs_file_acl_block(ext2_filsys fs, |
901 | const struct ext2_inode *inode); | |
902 | extern void ext2fs_file_acl_block_set(ext2_filsys fs, | |
903 | struct ext2_inode *inode, blk64_t blk); | |
97c607b1 DW |
904 | extern errcode_t ext2fs_inode_size_set(ext2_filsys fs, struct ext2_inode *inode, |
905 | ext2_off64_t size); | |
3839e657 TT |
906 | |
907 | /* block.c */ | |
908 | extern errcode_t ext2fs_block_iterate(ext2_filsys fs, | |
31dbecd4 | 909 | ext2_ino_t ino, |
3839e657 TT |
910 | int flags, |
911 | char *block_buf, | |
912 | int (*func)(ext2_filsys fs, | |
913 | blk_t *blocknr, | |
914 | int blockcnt, | |
b5abe6fa TT |
915 | void *priv_data), |
916 | void *priv_data); | |
19c78dc0 | 917 | errcode_t ext2fs_block_iterate2(ext2_filsys fs, |
31dbecd4 | 918 | ext2_ino_t ino, |
674a4ee1 TT |
919 | int flags, |
920 | char *block_buf, | |
921 | int (*func)(ext2_filsys fs, | |
922 | blk_t *blocknr, | |
03673dbb | 923 | e2_blkcnt_t blockcnt, |
674a4ee1 TT |
924 | blk_t ref_blk, |
925 | int ref_offset, | |
926 | void *priv_data), | |
927 | void *priv_data); | |
272631e4 TT |
928 | errcode_t ext2fs_block_iterate3(ext2_filsys fs, |
929 | ext2_ino_t ino, | |
930 | int flags, | |
931 | char *block_buf, | |
932 | int (*func)(ext2_filsys fs, | |
933 | blk64_t *blocknr, | |
934 | e2_blkcnt_t blockcnt, | |
935 | blk64_t ref_blk, | |
936 | int ref_offset, | |
937 | void *priv_data), | |
938 | void *priv_data); | |
19c78dc0 | 939 | |
30fab293 | 940 | /* bmap.c */ |
31dbecd4 | 941 | extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 942 | struct ext2_inode *inode, |
30fab293 TT |
943 | char *block_buf, int bmap_flags, |
944 | blk_t block, blk_t *phys_blk); | |
efc6f628 | 945 | extern errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, |
cc9bf5d2 TT |
946 | struct ext2_inode *inode, |
947 | char *block_buf, int bmap_flags, blk64_t block, | |
948 | int *ret_flags, blk64_t *phys_blk); | |
84397754 DW |
949 | errcode_t ext2fs_map_cluster_block(ext2_filsys fs, ext2_ino_t ino, |
950 | struct ext2_inode *inode, blk64_t lblk, | |
951 | blk64_t *pblk); | |
30fab293 | 952 | |
4a31c48b | 953 | #if 0 |
1e1da29f TT |
954 | /* bmove.c */ |
955 | extern errcode_t ext2fs_move_blocks(ext2_filsys fs, | |
956 | ext2fs_block_bitmap reserve, | |
9941fb73 | 957 | ext2fs_block_bitmap alloc_map, |
1e1da29f | 958 | int flags); |
4a31c48b | 959 | #endif |
1e1da29f | 960 | |
f3db3566 TT |
961 | /* check_desc.c */ |
962 | extern errcode_t ext2fs_check_desc(ext2_filsys fs); | |
963 | ||
3839e657 TT |
964 | /* closefs.c */ |
965 | extern errcode_t ext2fs_close(ext2_filsys fs); | |
9d9a53e6 | 966 | extern errcode_t ext2fs_close2(ext2_filsys fs, int flags); |
47fee2ef | 967 | extern errcode_t ext2fs_close_free(ext2_filsys *fs); |
3839e657 | 968 | extern errcode_t ext2fs_flush(ext2_filsys fs); |
9d9a53e6 | 969 | extern errcode_t ext2fs_flush2(ext2_filsys fs, int flags); |
47183951 | 970 | extern int ext2fs_bg_has_super(ext2_filsys fs, dgrp_t group_block); |
71300f35 JS |
971 | extern errcode_t ext2fs_super_and_bgd_loc2(ext2_filsys fs, |
972 | dgrp_t group, | |
973 | blk64_t *ret_super_blk, | |
974 | blk64_t *ret_old_desc_blk, | |
975 | blk64_t *ret_new_desc_blk, | |
976 | blk_t *ret_used_blks); | |
efc6f628 | 977 | extern int ext2fs_super_and_bgd_loc(ext2_filsys fs, |
ef344e13 TT |
978 | dgrp_t group, |
979 | blk_t *ret_super_blk, | |
980 | blk_t *ret_old_desc_blk, | |
981 | blk_t *ret_new_desc_blk, | |
982 | int *ret_meta_bg); | |
1b4cd9c7 | 983 | extern void ext2fs_update_dynamic_rev(ext2_filsys fs); |
3839e657 | 984 | |
db8bbf27 | 985 | /* crc32c.c */ |
033c3384 | 986 | extern __u32 ext2fs_crc32_be(__u32 crc, unsigned char const *p, size_t len); |
a7a63675 | 987 | extern __u32 ext2fs_crc32c_le(__u32 crc, unsigned char const *p, size_t len); |
db8bbf27 | 988 | |
ca2634a4 | 989 | /* csum.c */ |
2ed0adbc | 990 | extern void ext2fs_init_csum_seed(ext2_filsys fs); |
a9620d8b DW |
991 | extern errcode_t ext2fs_mmp_csum_set(ext2_filsys fs, struct mmp_struct *mmp); |
992 | extern int ext2fs_mmp_csum_verify(ext2_filsys, struct mmp_struct *mmp); | |
1eedf3e5 | 993 | extern int ext2fs_verify_csum_type(ext2_filsys fs, struct ext2_super_block *sb); |
d4ca3e40 DW |
994 | extern errcode_t ext2fs_superblock_csum_set(ext2_filsys fs, |
995 | struct ext2_super_block *sb); | |
996 | extern int ext2fs_superblock_csum_verify(ext2_filsys fs, | |
997 | struct ext2_super_block *sb); | |
39f5659a DW |
998 | extern errcode_t ext2fs_ext_attr_block_csum_set(ext2_filsys fs, |
999 | ext2_ino_t inum, blk64_t block, | |
1000 | struct ext2_ext_attr_header *hdr); | |
1001 | extern int ext2fs_ext_attr_block_csum_verify(ext2_filsys fs, ext2_ino_t inum, | |
1002 | blk64_t block, | |
1003 | struct ext2_ext_attr_header *hdr); | |
81683c6a | 1004 | #define EXT2_DIRENT_TAIL(block, blocksize) \ |
894eaf85 | 1005 | ((struct ext2_dir_entry_tail *)(((char *)(block)) + \ |
81683c6a DW |
1006 | (blocksize) - sizeof(struct ext2_dir_entry_tail))) |
1007 | ||
1008 | extern void ext2fs_initialize_dirent_tail(ext2_filsys fs, | |
1009 | struct ext2_dir_entry_tail *t); | |
1010 | extern int ext2fs_dirent_has_tail(ext2_filsys fs, | |
1011 | struct ext2_dir_entry *dirent); | |
894eaf85 TT |
1012 | extern int ext2fs_dirent_csum_verify(ext2_filsys fs, ext2_ino_t inum, |
1013 | struct ext2_dir_entry *dirent); | |
81683c6a DW |
1014 | extern int ext2fs_dir_block_csum_verify(ext2_filsys fs, ext2_ino_t inum, |
1015 | struct ext2_dir_entry *dirent); | |
1016 | extern errcode_t ext2fs_dir_block_csum_set(ext2_filsys fs, ext2_ino_t inum, | |
1017 | struct ext2_dir_entry *dirent); | |
dc96de09 DW |
1018 | extern errcode_t ext2fs_get_dx_countlimit(ext2_filsys fs, |
1019 | struct ext2_dir_entry *dirent, | |
1020 | struct ext2_dx_countlimit **cc, | |
1021 | int *offset); | |
41275efe DW |
1022 | extern errcode_t ext2fs_extent_block_csum_set(ext2_filsys fs, |
1023 | ext2_ino_t inum, | |
1024 | struct ext3_extent_header *eh); | |
1025 | extern int ext2fs_extent_block_csum_verify(ext2_filsys fs, | |
1026 | ext2_ino_t inum, | |
1027 | struct ext3_extent_header *eh); | |
e7dc95c6 DW |
1028 | extern errcode_t ext2fs_block_bitmap_csum_set(ext2_filsys fs, dgrp_t group, |
1029 | char *bitmap, int size); | |
1030 | extern int ext2fs_block_bitmap_csum_verify(ext2_filsys fs, dgrp_t group, | |
1031 | char *bitmap, int size); | |
a80ea340 DW |
1032 | extern errcode_t ext2fs_inode_bitmap_csum_set(ext2_filsys fs, dgrp_t group, |
1033 | char *bitmap, int size); | |
1034 | extern int ext2fs_inode_bitmap_csum_verify(ext2_filsys fs, dgrp_t group, | |
1035 | char *bitmap, int size); | |
37d82b6a DW |
1036 | extern errcode_t ext2fs_inode_csum_set(ext2_filsys fs, ext2_ino_t inum, |
1037 | struct ext2_inode_large *inode); | |
1038 | extern int ext2fs_inode_csum_verify(ext2_filsys fs, ext2_ino_t inum, | |
1039 | struct ext2_inode_large *inode); | |
ca2634a4 JS |
1040 | extern void ext2fs_group_desc_csum_set(ext2_filsys fs, dgrp_t group); |
1041 | extern int ext2fs_group_desc_csum_verify(ext2_filsys fs, dgrp_t group); | |
f628acea | 1042 | extern errcode_t ext2fs_set_gdt_csum(ext2_filsys fs); |
87141781 | 1043 | extern __u16 ext2fs_group_desc_csum(ext2_filsys fs, dgrp_t group); |
ca2634a4 | 1044 | |
19c78dc0 | 1045 | /* dblist.c */ |
a29f4d30 | 1046 | extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist); |
31dbecd4 | 1047 | extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 1048 | blk_t blk, int blockcnt); |
ab13b5a9 TT |
1049 | extern errcode_t ext2fs_add_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
1050 | blk64_t blk, e2_blkcnt_t blockcnt); | |
ea1959f0 TT |
1051 | extern void ext2fs_dblist_sort(ext2_dblist dblist, |
1052 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
1053 | const void *)); | |
ab13b5a9 TT |
1054 | extern void ext2fs_dblist_sort2(ext2_dblist dblist, |
1055 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
1056 | const void *)); | |
a29f4d30 TT |
1057 | extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist, |
1058 | int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info, | |
b5abe6fa | 1059 | void *priv_data), |
79614b27 | 1060 | void *priv_data); |
ab13b5a9 TT |
1061 | extern errcode_t ext2fs_dblist_iterate2(ext2_dblist dblist, |
1062 | int (*func)(ext2_filsys fs, struct ext2_db_entry2 *db_info, | |
1063 | void *priv_data), | |
79614b27 DW |
1064 | void *priv_data); |
1065 | extern errcode_t ext2fs_dblist_iterate3(ext2_dblist dblist, | |
1066 | int (*func)(ext2_filsys fs, struct ext2_db_entry2 *db_info, | |
1067 | void *priv_data), | |
1068 | unsigned long long start, | |
1069 | unsigned long long count, | |
1070 | void *priv_data); | |
31dbecd4 | 1071 | extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 1072 | blk_t blk, int blockcnt); |
ab13b5a9 TT |
1073 | extern errcode_t ext2fs_set_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
1074 | blk64_t blk, e2_blkcnt_t blockcnt); | |
a29f4d30 TT |
1075 | extern errcode_t ext2fs_copy_dblist(ext2_dblist src, |
1076 | ext2_dblist *dest); | |
549860c5 | 1077 | extern int ext2fs_dblist_count(ext2_dblist dblist); |
ab13b5a9 | 1078 | extern blk64_t ext2fs_dblist_count2(ext2_dblist dblist); |
efc6f628 | 1079 | extern errcode_t ext2fs_dblist_get_last(ext2_dblist dblist, |
52b1dd5e | 1080 | struct ext2_db_entry **entry); |
ab13b5a9 TT |
1081 | extern errcode_t ext2fs_dblist_get_last2(ext2_dblist dblist, |
1082 | struct ext2_db_entry2 **entry); | |
52b1dd5e | 1083 | extern errcode_t ext2fs_dblist_drop_last(ext2_dblist dblist); |
19c78dc0 TT |
1084 | |
1085 | /* dblist_dir.c */ | |
1086 | extern errcode_t | |
1087 | ext2fs_dblist_dir_iterate(ext2_dblist dblist, | |
1088 | int flags, | |
1089 | char *block_buf, | |
31dbecd4 | 1090 | int (*func)(ext2_ino_t dir, |
19c78dc0 TT |
1091 | int entry, |
1092 | struct ext2_dir_entry *dirent, | |
1093 | int offset, | |
1094 | int blocksize, | |
1095 | char *buf, | |
b5abe6fa TT |
1096 | void *priv_data), |
1097 | void *priv_data); | |
50e1e10f | 1098 | |
437651ad | 1099 | #if 0 |
bf34b4af TT |
1100 | /* digest_encode.c */ |
1101 | #define EXT2FS_DIGEST_SIZE EXT2FS_SHA256_LENGTH | |
437651ad TT |
1102 | extern int ext2fs_digest_encode(const char *src, int len, char *dst); |
1103 | extern int ext2fs_digest_decode(const char *src, int len, char *dst); | |
1104 | #endif | |
bf34b4af | 1105 | |
50e1e10f TT |
1106 | /* dirblock.c */ |
1107 | extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block, | |
1108 | void *buf); | |
f9190c8a TT |
1109 | extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block, |
1110 | void *buf, int flags); | |
57e2467d JS |
1111 | extern errcode_t ext2fs_read_dir_block3(ext2_filsys fs, blk64_t block, |
1112 | void *buf, int flags); | |
81683c6a DW |
1113 | extern errcode_t ext2fs_read_dir_block4(ext2_filsys fs, blk64_t block, |
1114 | void *buf, int flags, ext2_ino_t ino); | |
50e1e10f TT |
1115 | extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block, |
1116 | void *buf); | |
f9190c8a TT |
1117 | extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block, |
1118 | void *buf, int flags); | |
57e2467d JS |
1119 | extern errcode_t ext2fs_write_dir_block3(ext2_filsys fs, blk64_t block, |
1120 | void *buf, int flags); | |
81683c6a DW |
1121 | extern errcode_t ext2fs_write_dir_block4(ext2_filsys fs, blk64_t block, |
1122 | void *buf, int flags, ext2_ino_t ino); | |
50e1e10f | 1123 | |
52783e0c TT |
1124 | /* dirhash.c */ |
1125 | extern errcode_t ext2fs_dirhash(int version, const char *name, int len, | |
b33278c4 | 1126 | const __u32 *seed, |
503f9e7f TT |
1127 | ext2_dirhash_t *ret_hash, |
1128 | ext2_dirhash_t *ret_minor_hash); | |
52783e0c TT |
1129 | |
1130 | ||
19c78dc0 | 1131 | /* dir_iterate.c */ |
8a480350 TT |
1132 | extern errcode_t ext2fs_get_rec_len(ext2_filsys fs, |
1133 | struct ext2_dir_entry *dirent, | |
1134 | unsigned int *rec_len); | |
1135 | extern errcode_t ext2fs_set_rec_len(ext2_filsys fs, | |
1136 | unsigned int len, | |
1137 | struct ext2_dir_entry *dirent); | |
efc6f628 | 1138 | extern errcode_t ext2fs_dir_iterate(ext2_filsys fs, |
31dbecd4 | 1139 | ext2_ino_t dir, |
19c78dc0 TT |
1140 | int flags, |
1141 | char *block_buf, | |
1142 | int (*func)(struct ext2_dir_entry *dirent, | |
1143 | int offset, | |
1144 | int blocksize, | |
1145 | char *buf, | |
b5abe6fa TT |
1146 | void *priv_data), |
1147 | void *priv_data); | |
efc6f628 | 1148 | extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs, |
8bd0c959 TT |
1149 | ext2_ino_t dir, |
1150 | int flags, | |
1151 | char *block_buf, | |
1152 | int (*func)(ext2_ino_t dir, | |
1153 | int entry, | |
1154 | struct ext2_dir_entry *dirent, | |
1155 | int offset, | |
1156 | int blocksize, | |
1157 | char *buf, | |
1158 | void *priv_data), | |
1159 | void *priv_data); | |
19c78dc0 | 1160 | |
a29f4d30 TT |
1161 | /* dupfs.c */ |
1162 | extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest); | |
19c78dc0 | 1163 | |
3839e657 | 1164 | /* expanddir.c */ |
31dbecd4 | 1165 | extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir); |
3839e657 | 1166 | |
342d847d | 1167 | /* ext_attr.c */ |
fefaef39 AD |
1168 | extern __u32 ext2fs_ext_attr_hash_entry(struct ext2_ext_attr_entry *entry, |
1169 | void *data); | |
342d847d | 1170 | extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf); |
b91f14b8 JS |
1171 | extern errcode_t ext2fs_read_ext_attr2(ext2_filsys fs, blk64_t block, |
1172 | void *buf); | |
39f5659a DW |
1173 | extern errcode_t ext2fs_read_ext_attr3(ext2_filsys fs, blk64_t block, |
1174 | void *buf, ext2_ino_t inum); | |
0684a4f3 TT |
1175 | extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, |
1176 | void *buf); | |
b91f14b8 JS |
1177 | extern errcode_t ext2fs_write_ext_attr2(ext2_filsys fs, blk64_t block, |
1178 | void *buf); | |
39f5659a DW |
1179 | extern errcode_t ext2fs_write_ext_attr3(ext2_filsys fs, blk64_t block, |
1180 | void *buf, ext2_ino_t inum); | |
0684a4f3 TT |
1181 | extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk, |
1182 | char *block_buf, | |
1183 | int adjust, __u32 *newcount); | |
b91f14b8 JS |
1184 | extern errcode_t ext2fs_adjust_ea_refcount2(ext2_filsys fs, blk64_t blk, |
1185 | char *block_buf, | |
1186 | int adjust, __u32 *newcount); | |
39f5659a DW |
1187 | extern errcode_t ext2fs_adjust_ea_refcount3(ext2_filsys fs, blk64_t blk, |
1188 | char *block_buf, | |
1189 | int adjust, __u32 *newcount, | |
1190 | ext2_ino_t inum); | |
2077c208 DW |
1191 | errcode_t ext2fs_xattrs_write(struct ext2_xattr_handle *handle); |
1192 | errcode_t ext2fs_xattrs_read(struct ext2_xattr_handle *handle); | |
1193 | errcode_t ext2fs_xattrs_iterate(struct ext2_xattr_handle *h, | |
1194 | int (*func)(char *name, char *value, | |
68515695 | 1195 | size_t value_len, void *data), |
2077c208 DW |
1196 | void *data); |
1197 | errcode_t ext2fs_xattr_get(struct ext2_xattr_handle *h, const char *key, | |
68515695 | 1198 | void **value, size_t *value_len); |
2077c208 DW |
1199 | errcode_t ext2fs_xattr_set(struct ext2_xattr_handle *handle, |
1200 | const char *key, | |
1201 | const void *value, | |
68515695 | 1202 | size_t value_len); |
2077c208 DW |
1203 | errcode_t ext2fs_xattr_remove(struct ext2_xattr_handle *handle, |
1204 | const char *key); | |
1205 | errcode_t ext2fs_xattrs_open(ext2_filsys fs, ext2_ino_t ino, | |
1206 | struct ext2_xattr_handle **handle); | |
1207 | errcode_t ext2fs_xattrs_close(struct ext2_xattr_handle **handle); | |
1208 | errcode_t ext2fs_free_ext_attr(ext2_filsys fs, ext2_ino_t ino, | |
1209 | struct ext2_inode_large *inode); | |
2ddcee17 | 1210 | errcode_t ext2fs_xattrs_count(struct ext2_xattr_handle *handle, size_t *count); |
54e880b8 ZL |
1211 | errcode_t ext2fs_xattr_inode_max_size(ext2_filsys fs, ext2_ino_t ino, |
1212 | size_t *size); | |
0684a4f3 | 1213 | |
3eb07f64 TT |
1214 | /* extent.c */ |
1215 | extern errcode_t ext2fs_extent_header_verify(void *ptr, int size); | |
1216 | extern errcode_t ext2fs_extent_open(ext2_filsys fs, ext2_ino_t ino, | |
1217 | ext2_extent_handle_t *handle); | |
84b239ae | 1218 | extern errcode_t ext2fs_extent_open2(ext2_filsys fs, ext2_ino_t ino, |
1219 | struct ext2_inode *inode, | |
1220 | ext2_extent_handle_t *ret_handle); | |
2d328bb7 | 1221 | extern void ext2fs_extent_free(ext2_extent_handle_t handle); |
3eb07f64 TT |
1222 | extern errcode_t ext2fs_extent_get(ext2_extent_handle_t handle, |
1223 | int flags, struct ext2fs_extent *extent); | |
bee7b67c | 1224 | extern errcode_t ext2fs_extent_node_split(ext2_extent_handle_t handle); |
3eb07f64 TT |
1225 | extern errcode_t ext2fs_extent_replace(ext2_extent_handle_t handle, int flags, |
1226 | struct ext2fs_extent *extent); | |
1227 | extern errcode_t ext2fs_extent_insert(ext2_extent_handle_t handle, int flags, | |
1228 | struct ext2fs_extent *extent); | |
f4e9963c ES |
1229 | extern errcode_t ext2fs_extent_set_bmap(ext2_extent_handle_t handle, |
1230 | blk64_t logical, blk64_t physical, | |
1231 | int flags); | |
3eb07f64 TT |
1232 | extern errcode_t ext2fs_extent_delete(ext2_extent_handle_t handle, int flags); |
1233 | extern errcode_t ext2fs_extent_get_info(ext2_extent_handle_t handle, | |
1234 | struct ext2_extent_info *info); | |
1235 | extern errcode_t ext2fs_extent_goto(ext2_extent_handle_t handle, | |
1236 | blk64_t blk); | |
bee7b67c TT |
1237 | extern errcode_t ext2fs_extent_goto2(ext2_extent_handle_t handle, |
1238 | int leaf_level, blk64_t blk); | |
789bd401 | 1239 | extern errcode_t ext2fs_extent_fix_parents(ext2_extent_handle_t handle); |
ffe1b28d | 1240 | size_t ext2fs_max_extent_depth(ext2_extent_handle_t handle); |
3eb07f64 | 1241 | |
5aad5b8e DW |
1242 | /* fallocate.c */ |
1243 | #define EXT2_FALLOCATE_ZERO_BLOCKS (0x1) | |
1244 | #define EXT2_FALLOCATE_FORCE_INIT (0x2) | |
1245 | #define EXT2_FALLOCATE_FORCE_UNINIT (0x4) | |
1246 | #define EXT2_FALLOCATE_INIT_BEYOND_EOF (0x8) | |
1247 | #define EXT2_FALLOCATE_ALL_FLAGS (0xF) | |
1248 | errcode_t ext2fs_fallocate(ext2_filsys fs, int flags, ext2_ino_t ino, | |
1249 | struct ext2_inode *inode, blk64_t goal, | |
1250 | blk64_t start, blk64_t len); | |
1251 | ||
30fab293 | 1252 | /* fileio.c */ |
a435ec34 TT |
1253 | extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino, |
1254 | struct ext2_inode *inode, | |
1255 | int flags, ext2_file_t *ret); | |
31dbecd4 | 1256 | extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino, |
30fab293 | 1257 | int flags, ext2_file_t *ret); |
79a90bda | 1258 | extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file); |
6dc058bd | 1259 | struct ext2_inode *ext2fs_file_get_inode(ext2_file_t file); |
3ae682bb | 1260 | extern ext2_ino_t ext2fs_file_get_inode_num(ext2_file_t file); |
30fab293 | 1261 | extern errcode_t ext2fs_file_close(ext2_file_t file); |
f12e285f | 1262 | extern errcode_t ext2fs_file_flush(ext2_file_t file); |
30fab293 | 1263 | extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf, |
79a90bda | 1264 | unsigned int wanted, unsigned int *got); |
f12e285f | 1265 | extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf, |
79a90bda | 1266 | unsigned int nbytes, unsigned int *written); |
819157db TT |
1267 | extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset, |
1268 | int whence, __u64 *ret_pos); | |
674a4ee1 TT |
1269 | extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset, |
1270 | int whence, ext2_off_t *ret_pos); | |
819157db | 1271 | errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size); |
79a90bda TT |
1272 | extern ext2_off_t ext2fs_file_get_size(ext2_file_t file); |
1273 | extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size); | |
27a0e958 | 1274 | extern errcode_t ext2fs_file_set_size2(ext2_file_t file, ext2_off64_t size); |
30fab293 | 1275 | |
de23aa1d TT |
1276 | /* finddev.c */ |
1277 | extern char *ext2fs_find_block_device(dev_t device); | |
1278 | ||
4d0f3e17 TT |
1279 | /* flushb.c */ |
1280 | extern errcode_t ext2fs_sync_device(int fd, int flushb); | |
1281 | ||
3839e657 TT |
1282 | /* freefs.c */ |
1283 | extern void ext2fs_free(ext2_filsys fs); | |
a29f4d30 | 1284 | extern void ext2fs_free_dblist(ext2_dblist dblist); |
b7a00563 TT |
1285 | extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb); |
1286 | extern void ext2fs_u32_list_free(ext2_u32_list bb); | |
50e1e10f | 1287 | |
a0553c9d TT |
1288 | /* gen_bitmap.c */ |
1289 | extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap); | |
efc6f628 TT |
1290 | extern errcode_t ext2fs_make_generic_bitmap(errcode_t magic, ext2_filsys fs, |
1291 | __u32 start, __u32 end, | |
a0553c9d TT |
1292 | __u32 real_end, |
1293 | const char *descr, char *init_map, | |
1294 | ext2fs_generic_bitmap *ret); | |
1295 | extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start, | |
1296 | __u32 end, | |
1297 | __u32 real_end, | |
1298 | const char *descr, | |
1299 | ext2fs_generic_bitmap *ret); | |
1300 | extern errcode_t ext2fs_copy_generic_bitmap(ext2fs_generic_bitmap src, | |
1301 | ext2fs_generic_bitmap *dest); | |
1302 | extern void ext2fs_clear_generic_bitmap(ext2fs_generic_bitmap bitmap); | |
1303 | extern errcode_t ext2fs_fudge_generic_bitmap_end(ext2fs_inode_bitmap bitmap, | |
efc6f628 | 1304 | errcode_t magic, |
a0553c9d | 1305 | errcode_t neq, |
efc6f628 | 1306 | ext2_ino_t end, |
a0553c9d TT |
1307 | ext2_ino_t *oend); |
1308 | extern void ext2fs_set_generic_bitmap_padding(ext2fs_generic_bitmap map); | |
50448d3d TT |
1309 | extern errcode_t ext2fs_resize_generic_bitmap(errcode_t magic, |
1310 | __u32 new_end, | |
1311 | __u32 new_real_end, | |
1312 | ext2fs_generic_bitmap bmap); | |
1313 | extern errcode_t ext2fs_compare_generic_bitmap(errcode_t magic, errcode_t neq, | |
1314 | ext2fs_generic_bitmap bm1, | |
1315 | ext2fs_generic_bitmap bm2); | |
f1f115a7 TT |
1316 | extern errcode_t ext2fs_get_generic_bitmap_range(ext2fs_generic_bitmap bmap, |
1317 | errcode_t magic, | |
1318 | __u32 start, __u32 num, | |
1319 | void *out); | |
1320 | extern errcode_t ext2fs_set_generic_bitmap_range(ext2fs_generic_bitmap bmap, | |
1321 | errcode_t magic, | |
1322 | __u32 start, __u32 num, | |
1323 | void *in); | |
664c3326 TT |
1324 | extern errcode_t ext2fs_find_first_zero_generic_bitmap(ext2fs_generic_bitmap bitmap, |
1325 | __u32 start, __u32 end, | |
1326 | __u32 *out); | |
dff0b6a3 TT |
1327 | extern errcode_t ext2fs_find_first_set_generic_bitmap(ext2fs_generic_bitmap bitmap, |
1328 | __u32 start, __u32 end, | |
1329 | __u32 *out); | |
a0553c9d | 1330 | |
8f82ef98 VAH |
1331 | /* gen_bitmap64.c */ |
1332 | void ext2fs_free_generic_bmap(ext2fs_generic_bitmap bmap); | |
1333 | errcode_t ext2fs_alloc_generic_bmap(ext2_filsys fs, errcode_t magic, | |
1334 | int type, __u64 start, __u64 end, | |
1335 | __u64 real_end, | |
1336 | const char *descr, | |
1337 | ext2fs_generic_bitmap *ret); | |
1338 | errcode_t ext2fs_copy_generic_bmap(ext2fs_generic_bitmap src, | |
1339 | ext2fs_generic_bitmap *dest); | |
1340 | void ext2fs_clear_generic_bmap(ext2fs_generic_bitmap bitmap); | |
1341 | errcode_t ext2fs_fudge_generic_bmap_end(ext2fs_generic_bitmap bitmap, | |
1342 | errcode_t neq, | |
1343 | __u64 end, __u64 *oend); | |
1344 | void ext2fs_set_generic_bmap_padding(ext2fs_generic_bitmap bmap); | |
1345 | errcode_t ext2fs_resize_generic_bmap(ext2fs_generic_bitmap bmap, | |
1346 | __u64 new_end, | |
1347 | __u64 new_real_end); | |
1348 | errcode_t ext2fs_compare_generic_bmap(errcode_t neq, | |
1349 | ext2fs_generic_bitmap bm1, | |
1350 | ext2fs_generic_bitmap bm2); | |
1351 | errcode_t ext2fs_get_generic_bmap_range(ext2fs_generic_bitmap bmap, | |
1352 | __u64 start, unsigned int num, | |
1353 | void *out); | |
1354 | errcode_t ext2fs_set_generic_bmap_range(ext2fs_generic_bitmap bmap, | |
1355 | __u64 start, unsigned int num, | |
1356 | void *in); | |
94968e74 TT |
1357 | errcode_t ext2fs_convert_subcluster_bitmap(ext2_filsys fs, |
1358 | ext2fs_block_bitmap *bitmap); | |
8f82ef98 | 1359 | |
bc0b1a89 TT |
1360 | /* get_num_dirs.c */ |
1361 | extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs); | |
1362 | ||
50e1e10f TT |
1363 | /* getsize.c */ |
1364 | extern errcode_t ext2fs_get_device_size(const char *file, int blocksize, | |
1365 | blk_t *retblocks); | |
beab8de4 JS |
1366 | extern errcode_t ext2fs_get_device_size2(const char *file, int blocksize, |
1367 | blk64_t *retblocks); | |
3839e657 | 1368 | |
93d5c387 | 1369 | /* getsectsize.c */ |
dd0a2679 | 1370 | extern int ext2fs_get_dio_alignment(int fd); |
93d5c387 | 1371 | errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize); |
bb1158b9 | 1372 | errcode_t ext2fs_get_device_phys_sectsize(const char *file, int *sectsize); |
93d5c387 | 1373 | |
1ca1059f TT |
1374 | /* i_block.c */ |
1375 | errcode_t ext2fs_iblk_add_blocks(ext2_filsys fs, struct ext2_inode *inode, | |
1376 | blk64_t num_blocks); | |
1377 | errcode_t ext2fs_iblk_sub_blocks(ext2_filsys fs, struct ext2_inode *inode, | |
1378 | blk64_t num_blocks); | |
1379 | errcode_t ext2fs_iblk_set(ext2_filsys fs, struct ext2_inode *inode, blk64_t b); | |
1380 | ||
72ed1264 TT |
1381 | /* imager.c */ |
1382 | extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags); | |
1383 | extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags); | |
1384 | extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags); | |
1385 | extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags); | |
1386 | extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags); | |
1387 | extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags); | |
1388 | ||
dc8ce346 TT |
1389 | /* ind_block.c */ |
1390 | errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf); | |
1391 | errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf); | |
1392 | ||
3839e657 TT |
1393 | /* initialize.c */ |
1394 | extern errcode_t ext2fs_initialize(const char *name, int flags, | |
1395 | struct ext2_super_block *param, | |
1396 | io_manager manager, ext2_filsys *ret_fs); | |
1397 | ||
f12e285f TT |
1398 | /* icount.c */ |
1399 | extern void ext2fs_free_icount(ext2_icount_t icount); | |
1b9d8cb7 TT |
1400 | extern errcode_t ext2fs_create_icount_tdb(ext2_filsys fs, char *tdb_dir, |
1401 | int flags, ext2_icount_t *ret); | |
efc6f628 | 1402 | extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags, |
54434927 | 1403 | unsigned int size, |
f12e285f | 1404 | ext2_icount_t hint, ext2_icount_t *ret); |
efc6f628 | 1405 | extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags, |
54434927 | 1406 | unsigned int size, |
f12e285f TT |
1407 | ext2_icount_t *ret); |
1408 | extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino, | |
1409 | __u16 *ret); | |
1410 | extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino, | |
1411 | __u16 *ret); | |
1412 | extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino, | |
1413 | __u16 *ret); | |
1414 | extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino, | |
1415 | __u16 count); | |
1416 | extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount); | |
1417 | errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *); | |
1418 | ||
ab3f5c5a TT |
1419 | /* inline.c */ |
1420 | ||
1421 | extern errcode_t ext2fs_get_memalign(unsigned long size, | |
1422 | unsigned long align, void *ptr); | |
1423 | ||
24997f1c DW |
1424 | /* inline_data.c */ |
1425 | extern errcode_t ext2fs_inline_data_init(ext2_filsys fs, ext2_ino_t ino); | |
1426 | extern errcode_t ext2fs_inline_data_size(ext2_filsys fs, ext2_ino_t ino, | |
1427 | size_t *size); | |
1428 | extern errcode_t ext2fs_inline_data_get(ext2_filsys fs, ext2_ino_t ino, | |
1429 | struct ext2_inode *inode, | |
1430 | void *buf, size_t *size); | |
1431 | extern errcode_t ext2fs_inline_data_set(ext2_filsys fs, ext2_ino_t ino, | |
1432 | struct ext2_inode *inode, | |
1433 | void *buf, size_t size); | |
1434 | ||
3839e657 | 1435 | /* inode.c */ |
be31a8de ZL |
1436 | extern errcode_t ext2fs_create_inode_cache(ext2_filsys fs, |
1437 | unsigned int cache_size); | |
603e5ebc | 1438 | extern void ext2fs_free_inode_cache(struct ext2_inode_cache *icache); |
72ed1264 | 1439 | extern errcode_t ext2fs_flush_icache(ext2_filsys fs); |
efc6f628 | 1440 | extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan, |
7331196a | 1441 | ext2_ino_t *ino, |
efc6f628 | 1442 | struct ext2_inode *inode, |
7331196a | 1443 | int bufsize); |
a5abfe03 | 1444 | #define EXT2_INODE_SCAN_DEFAULT_BUFFER_BLOCKS 8 |
3839e657 TT |
1445 | extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, |
1446 | ext2_inode_scan *ret_scan); | |
1447 | extern void ext2fs_close_inode_scan(ext2_inode_scan scan); | |
31dbecd4 | 1448 | extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, |
3839e657 | 1449 | struct ext2_inode *inode); |
19c78dc0 TT |
1450 | extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, |
1451 | int group); | |
1452 | extern void ext2fs_set_inode_callback | |
1453 | (ext2_inode_scan scan, | |
1454 | errcode_t (*done_group)(ext2_filsys fs, | |
1455 | ext2_inode_scan scan, | |
1456 | dgrp_t group, | |
b5abe6fa | 1457 | void * priv_data), |
19c78dc0 TT |
1458 | void *done_group_data); |
1459 | extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, | |
1460 | int clear_flags); | |
7331196a | 1461 | extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1462 | struct ext2_inode * inode, |
7331196a | 1463 | int bufsize); |
31dbecd4 | 1464 | extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 1465 | struct ext2_inode * inode); |
7331196a | 1466 | extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1467 | struct ext2_inode * inode, |
7331196a | 1468 | int bufsize); |
31dbecd4 | 1469 | extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 1470 | struct ext2_inode * inode); |
030970ed TT |
1471 | extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino, |
1472 | struct ext2_inode * inode); | |
31dbecd4 TT |
1473 | extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
1474 | extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 1475 | |
f12e285f TT |
1476 | /* inode_io.c */ |
1477 | extern io_manager inode_io_manager; | |
efc6f628 | 1478 | extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino, |
546a1ff1 | 1479 | char **name); |
a435ec34 TT |
1480 | extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino, |
1481 | struct ext2_inode *inode, | |
1482 | char **name); | |
efc6f628 | 1483 | |
50e1e10f TT |
1484 | /* ismounted.c */ |
1485 | extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags); | |
43ec8734 TT |
1486 | extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags, |
1487 | char *mtpt, int mtlen); | |
50e1e10f | 1488 | |
3adb9374 | 1489 | /* punch.c */ |
4ee4ad80 DW |
1490 | /* |
1491 | * NOTE: This function removes from an inode the blocks "start", "end", and | |
1492 | * every block in between. | |
1493 | */ | |
3adb9374 TT |
1494 | extern errcode_t ext2fs_punch(ext2_filsys fs, ext2_ino_t ino, |
1495 | struct ext2_inode *inode, | |
1496 | char *block_buf, blk64_t start, | |
1497 | blk64_t end); | |
1498 | ||
3839e657 | 1499 | /* namei.c */ |
31dbecd4 TT |
1500 | extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name, |
1501 | int namelen, char *buf, ext2_ino_t *inode); | |
1502 | extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1503 | const char *name, ext2_ino_t *inode); | |
1504 | errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1505 | const char *name, ext2_ino_t *inode); | |
1506 | extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1507 | ext2_ino_t inode, ext2_ino_t *res_inode); | |
1e3472c5 TT |
1508 | |
1509 | /* native.c */ | |
1510 | int ext2fs_native_flag(void); | |
3839e657 TT |
1511 | |
1512 | /* newdir.c */ | |
31dbecd4 TT |
1513 | extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino, |
1514 | ext2_ino_t parent_ino, char **block); | |
82e77d07 ZL |
1515 | extern errcode_t ext2fs_new_dir_inline_data(ext2_filsys fs, ext2_ino_t dir_ino, |
1516 | ext2_ino_t parent_ino, __u32 *iblock); | |
3839e657 TT |
1517 | |
1518 | /* mkdir.c */ | |
31dbecd4 | 1519 | extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, |
3839e657 TT |
1520 | const char *name); |
1521 | ||
d3cd93ca | 1522 | /* mkjournal.c */ |
c8608504 TT |
1523 | extern errcode_t ext2fs_zero_blocks(ext2_filsys fs, blk_t blk, int num, |
1524 | blk_t *ret_blk, int *ret_count); | |
73d0c4cc | 1525 | extern errcode_t ext2fs_zero_blocks2(ext2_filsys fs, blk64_t blk, int num, |
931b58e1 | 1526 | blk64_t *ret_blk, int *ret_count); |
a112847b | 1527 | extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs, |
931b58e1 | 1528 | __u32 num_blocks, int flags, |
a112847b TT |
1529 | char **ret_jsb); |
1530 | extern errcode_t ext2fs_add_journal_device(ext2_filsys fs, | |
1531 | ext2_filsys journal_dev); | |
931b58e1 | 1532 | extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t num_blocks, |
31a17b36 | 1533 | int flags); |
0fe6e3ae TT |
1534 | extern errcode_t ext2fs_add_journal_inode2(ext2_filsys fs, blk_t num_blocks, |
1535 | blk64_t goal, int flags); | |
931b58e1 | 1536 | extern int ext2fs_default_journal_size(__u64 num_blocks); |
7f33024a | 1537 | extern int ext2fs_journal_sb_start(int blocksize); |
d3cd93ca | 1538 | |
3839e657 TT |
1539 | /* openfs.c */ |
1540 | extern errcode_t ext2fs_open(const char *name, int flags, int superblock, | |
54434927 | 1541 | unsigned int block_size, io_manager manager, |
3839e657 | 1542 | ext2_filsys *ret_fs); |
efc6f628 TT |
1543 | extern errcode_t ext2fs_open2(const char *name, const char *io_options, |
1544 | int flags, int superblock, | |
2e8ca9a2 TT |
1545 | unsigned int block_size, io_manager manager, |
1546 | ext2_filsys *ret_fs); | |
d36b957b DW |
1547 | /* |
1548 | * The dgrp_t argument to these two functions is not actually a group number | |
1549 | * but a block number offset within a group table! Convert with the formula | |
1550 | * (group_number / groups_per_block). | |
1551 | */ | |
4f8d6ab2 JS |
1552 | extern blk64_t ext2fs_descriptor_block_loc2(ext2_filsys fs, |
1553 | blk64_t group_block, dgrp_t i); | |
efc6f628 | 1554 | extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, |
c046ac7f | 1555 | dgrp_t i); |
1ad54a94 TT |
1556 | errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io); |
1557 | errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io); | |
1558 | errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io); | |
3839e657 TT |
1559 | |
1560 | /* get_pathname.c */ | |
31dbecd4 | 1561 | extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, |
3839e657 TT |
1562 | char **name); |
1563 | ||
1564 | /* link.c */ | |
31dbecd4 TT |
1565 | errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name, |
1566 | ext2_ino_t ino, int flags); | |
1567 | errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name, | |
1568 | ext2_ino_t ino, int flags); | |
3839e657 | 1569 | |
50840882 JK |
1570 | /* symlink.c */ |
1571 | errcode_t ext2fs_symlink(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t ino, | |
4e222d9b | 1572 | const char *name, const char *target); |
50840882 | 1573 | |
0f5eba75 AD |
1574 | /* mmp.c */ |
1575 | errcode_t ext2fs_mmp_read(ext2_filsys fs, blk64_t mmp_blk, void *buf); | |
1576 | errcode_t ext2fs_mmp_write(ext2_filsys fs, blk64_t mmp_blk, void *buf); | |
1577 | errcode_t ext2fs_mmp_clear(ext2_filsys fs); | |
1578 | errcode_t ext2fs_mmp_init(ext2_filsys fs); | |
1579 | errcode_t ext2fs_mmp_start(ext2_filsys fs); | |
1580 | errcode_t ext2fs_mmp_update(ext2_filsys fs); | |
a9620d8b | 1581 | errcode_t ext2fs_mmp_update2(ext2_filsys fs, int immediately); |
0f5eba75 | 1582 | errcode_t ext2fs_mmp_stop(ext2_filsys fs); |
edbfd75d | 1583 | unsigned ext2fs_mmp_new_seq(void); |
0f5eba75 | 1584 | |
3839e657 | 1585 | /* read_bb.c */ |
19c78dc0 TT |
1586 | extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs, |
1587 | ext2_badblocks_list *bb_list); | |
3839e657 TT |
1588 | |
1589 | /* read_bb_file.c */ | |
efc6f628 | 1590 | extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, |
57dca854 | 1591 | ext2_badblocks_list *bb_list, |
50cd7e06 | 1592 | void *priv_data, |
57dca854 TT |
1593 | void (*invalid)(ext2_filsys fs, |
1594 | blk_t blk, | |
1595 | char *badstr, | |
50cd7e06 | 1596 | void *priv_data)); |
efc6f628 | 1597 | extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, |
19c78dc0 | 1598 | ext2_badblocks_list *bb_list, |
3839e657 TT |
1599 | void (*invalid)(ext2_filsys fs, |
1600 | blk_t blk)); | |
1601 | ||
d323f8fb TT |
1602 | /* res_gdt.c */ |
1603 | extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs); | |
1604 | ||
6a5bdaf7 TT |
1605 | /*sha256.c */ |
1606 | #define EXT2FS_SHA256_LENGTH 32 | |
c46b57bc | 1607 | #if 0 |
6a5bdaf7 TT |
1608 | extern void ext2fs_sha256(const unsigned char *in, unsigned long in_size, |
1609 | unsigned char out[EXT2FS_SHA256_LENGTH]); | |
437651ad | 1610 | #endif |
6a5bdaf7 | 1611 | |
569ee902 TT |
1612 | /* sha512.c */ |
1613 | #define EXT2FS_SHA512_LENGTH 64 | |
6a5bdaf7 | 1614 | extern void ext2fs_sha512(const unsigned char *in, unsigned long in_size, |
569ee902 | 1615 | unsigned char out[EXT2FS_SHA512_LENGTH]); |
569ee902 | 1616 | |
50e1e10f | 1617 | /* swapfs.c */ |
11f93746 ZL |
1618 | extern errcode_t ext2fs_dirent_swab_in2(ext2_filsys fs, char *buf, size_t size, |
1619 | int flags); | |
81683c6a | 1620 | extern errcode_t ext2fs_dirent_swab_in(ext2_filsys fs, char *buf, int flags); |
11f93746 ZL |
1621 | extern errcode_t ext2fs_dirent_swab_out2(ext2_filsys fs, char *buf, size_t size, |
1622 | int flags); | |
81683c6a | 1623 | extern errcode_t ext2fs_dirent_swab_out(ext2_filsys fs, char *buf, int flags); |
efc6f628 | 1624 | extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, |
7331196a | 1625 | int has_header); |
fefaef39 AD |
1626 | extern void ext2fs_swap_ext_attr_header(struct ext2_ext_attr_header *to_header, |
1627 | struct ext2_ext_attr_header *from_hdr); | |
1628 | extern void ext2fs_swap_ext_attr_entry(struct ext2_ext_attr_entry *to_entry, | |
1629 | struct ext2_ext_attr_entry *from_entry); | |
50e1e10f TT |
1630 | extern void ext2fs_swap_super(struct ext2_super_block * super); |
1631 | extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp); | |
cf828f1a | 1632 | extern void ext2fs_swap_group_desc2(ext2_filsys, struct ext2_group_desc *gdp); |
7331196a TT |
1633 | extern void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t, |
1634 | struct ext2_inode_large *f, int hostorder, | |
1635 | int bufsize); | |
1e3472c5 TT |
1636 | extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t, |
1637 | struct ext2_inode *f, int hostorder); | |
0f5eba75 | 1638 | extern void ext2fs_swap_mmp(struct mmp_struct *mmp); |
1e3472c5 | 1639 | |
ab3f5c5a TT |
1640 | /* unix_io.c */ |
1641 | extern int ext2fs_open_file(const char *pathname, int flags, mode_t mode); | |
1642 | extern int ext2fs_stat(const char *path, ext2fs_struct_stat *buf); | |
1643 | extern int ext2fs_fstat(int fd, ext2fs_struct_stat *buf); | |
1644 | ||
19c78dc0 | 1645 | /* valid_blk.c */ |
521e3685 | 1646 | extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode); |
0c80c44b TT |
1647 | extern int ext2fs_inode_has_valid_blocks2(ext2_filsys fs, |
1648 | struct ext2_inode *inode); | |
521e3685 TT |
1649 | |
1650 | /* version.c */ | |
1651 | extern int ext2fs_parse_version_string(const char *ver_string); | |
1652 | extern int ext2fs_get_library_version(const char **ver_string, | |
1653 | const char **date_string); | |
50e1e10f | 1654 | |
31dbecd4 TT |
1655 | /* write_bb_file.c */ |
1656 | extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list, | |
1657 | unsigned int flags, | |
1658 | FILE *f); | |
1659 | ||
1660 | ||
3839e657 | 1661 | /* inline functions */ |
ab3f5c5a | 1662 | #ifdef NO_INLINE_FUNCS |
c4e3d3f3 | 1663 | extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr); |
d32c915a TT |
1664 | extern errcode_t ext2fs_get_memzero(unsigned long size, void *ptr); |
1665 | extern errcode_t ext2fs_get_array(unsigned long count, | |
1666 | unsigned long size, void *ptr); | |
1667 | extern errcode_t ext2fs_get_arrayzero(unsigned long count, | |
1668 | unsigned long size, void *ptr); | |
c4e3d3f3 | 1669 | extern errcode_t ext2fs_free_mem(void *ptr); |
76f875da | 1670 | extern errcode_t ext2fs_resize_mem(unsigned long old_size, |
c4e3d3f3 | 1671 | unsigned long size, void *ptr); |
3839e657 TT |
1672 | extern void ext2fs_mark_super_dirty(ext2_filsys fs); |
1673 | extern void ext2fs_mark_changed(ext2_filsys fs); | |
1674 | extern int ext2fs_test_changed(ext2_filsys fs); | |
1675 | extern void ext2fs_mark_valid(ext2_filsys fs); | |
1676 | extern void ext2fs_unmark_valid(ext2_filsys fs); | |
1677 | extern int ext2fs_test_valid(ext2_filsys fs); | |
1678 | extern void ext2fs_mark_ib_dirty(ext2_filsys fs); | |
1679 | extern void ext2fs_mark_bb_dirty(ext2_filsys fs); | |
1680 | extern int ext2fs_test_ib_dirty(ext2_filsys fs); | |
1681 | extern int ext2fs_test_bb_dirty(ext2_filsys fs); | |
17abb05f DW |
1682 | extern dgrp_t ext2fs_group_of_blk(ext2_filsys fs, blk_t blk); |
1683 | extern dgrp_t ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino); | |
abf23439 ES |
1684 | extern blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group); |
1685 | extern blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group); | |
0684a4f3 TT |
1686 | extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
1687 | struct ext2_inode *inode); | |
69022e02 | 1688 | extern unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b); |
743011fb | 1689 | extern __u64 ext2fs_div64_ceil(__u64 a, __u64 b); |
52a06740 TT |
1690 | extern int ext2fs_dirent_name_len(const struct ext2_dir_entry *entry); |
1691 | extern void ext2fs_dirent_set_name_len(struct ext2_dir_entry *entry, int len); | |
1692 | extern int ext2fs_dirent_file_type(const struct ext2_dir_entry *entry); | |
1693 | extern void ext2fs_dirent_set_file_type(struct ext2_dir_entry *entry, int type); | |
1694 | ||
ab3f5c5a | 1695 | #endif |
3839e657 TT |
1696 | |
1697 | /* | |
1698 | * The actual inlined functions definitions themselves... | |
1699 | * | |
1700 | * If NO_INLINE_FUNCS is defined, then we won't try to do inline | |
1701 | * functions at all! | |
1702 | */ | |
1703 | #if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS)) | |
1704 | #ifdef INCLUDE_INLINE_FUNCS | |
1705 | #define _INLINE_ extern | |
1706 | #else | |
ab3f5c5a TT |
1707 | #if (__STDC_VERSION__ >= 199901L) |
1708 | #define _INLINE_ inline | |
1709 | #else | |
76f875da | 1710 | #ifdef __GNUC__ |
3839e657 | 1711 | #define _INLINE_ extern __inline__ |
76f875da TT |
1712 | #else /* For Watcom C */ |
1713 | #define _INLINE_ extern inline | |
ab3f5c5a TT |
1714 | #endif /* __GNUC__ */ |
1715 | #endif /* __STDC_VERSION__ >= 199901L */ | |
3839e657 TT |
1716 | #endif |
1717 | ||
daf57eaa TT |
1718 | #ifndef EXT2_CUSTOM_MEMORY_ROUTINES |
1719 | #include <string.h> | |
7b4e4534 | 1720 | /* |
85b8f7af | 1721 | * Allocate memory. The 'ptr' arg must point to a pointer. |
7b4e4534 | 1722 | */ |
c4e3d3f3 | 1723 | _INLINE_ errcode_t ext2fs_get_mem(unsigned long size, void *ptr) |
7b4e4534 | 1724 | { |
2694f319 | 1725 | void *pp; |
c4e3d3f3 | 1726 | |
2694f319 TT |
1727 | pp = malloc(size); |
1728 | if (!pp) | |
291c9049 | 1729 | return EXT2_ET_NO_MEMORY; |
2694f319 | 1730 | memcpy(ptr, &pp, sizeof (pp)); |
7b4e4534 TT |
1731 | return 0; |
1732 | } | |
e5aace90 | 1733 | |
ffec46fe LC |
1734 | _INLINE_ errcode_t ext2fs_get_memzero(unsigned long size, void *ptr) |
1735 | { | |
1736 | void *pp; | |
1737 | ||
1738 | pp = malloc(size); | |
1739 | if (!pp) | |
1740 | return EXT2_ET_NO_MEMORY; | |
1741 | memset(pp, 0, size); | |
1742 | memcpy(ptr, &pp, sizeof(pp)); | |
1743 | return 0; | |
1744 | } | |
1745 | ||
ee01079a TT |
1746 | _INLINE_ errcode_t ext2fs_get_array(unsigned long count, unsigned long size, void *ptr) |
1747 | { | |
074931ab | 1748 | if (count && (~0UL)/count < size) |
ffec46fe | 1749 | return EXT2_ET_NO_MEMORY; |
ee01079a TT |
1750 | return ext2fs_get_mem(count*size, ptr); |
1751 | } | |
7b4e4534 | 1752 | |
ffec46fe LC |
1753 | _INLINE_ errcode_t ext2fs_get_arrayzero(unsigned long count, |
1754 | unsigned long size, void *ptr) | |
1755 | { | |
1756 | void *pp; | |
1757 | ||
074931ab | 1758 | if (count && (~0UL)/count < size) |
ffec46fe LC |
1759 | return EXT2_ET_NO_MEMORY; |
1760 | pp = calloc(count, size); | |
1761 | if (!pp) | |
1762 | return EXT2_ET_NO_MEMORY; | |
1763 | memcpy(ptr, &pp, sizeof(pp)); | |
1764 | return 0; | |
1765 | } | |
1766 | ||
7b4e4534 | 1767 | /* |
85b8f7af | 1768 | * Free memory. The 'ptr' arg must point to a pointer. |
7b4e4534 | 1769 | */ |
c4e3d3f3 | 1770 | _INLINE_ errcode_t ext2fs_free_mem(void *ptr) |
7b4e4534 | 1771 | { |
2694f319 | 1772 | void *p; |
c4e3d3f3 | 1773 | |
2694f319 TT |
1774 | memcpy(&p, ptr, sizeof(p)); |
1775 | free(p); | |
1776 | p = 0; | |
1777 | memcpy(ptr, &p, sizeof(p)); | |
7b4e4534 TT |
1778 | return 0; |
1779 | } | |
efc6f628 | 1780 | |
7b4e4534 | 1781 | /* |
85b8f7af | 1782 | * Resize memory. The 'ptr' arg must point to a pointer. |
7b4e4534 | 1783 | */ |
e47fd841 | 1784 | _INLINE_ errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size, |
c4e3d3f3 | 1785 | unsigned long size, void *ptr) |
7b4e4534 TT |
1786 | { |
1787 | void *p; | |
1788 | ||
39c191f5 ST |
1789 | /* Use "memcpy" for pointer assignments here to avoid problems |
1790 | * with C99 strict type aliasing rules. */ | |
2694f319 | 1791 | memcpy(&p, ptr, sizeof(p)); |
39c191f5 | 1792 | p = realloc(p, size); |
7b4e4534 | 1793 | if (!p) |
291c9049 | 1794 | return EXT2_ET_NO_MEMORY; |
2694f319 | 1795 | memcpy(ptr, &p, sizeof(p)); |
7b4e4534 TT |
1796 | return 0; |
1797 | } | |
1798 | #endif /* Custom memory routines */ | |
1799 | ||
3839e657 TT |
1800 | /* |
1801 | * Mark a filesystem superblock as dirty | |
1802 | */ | |
1803 | _INLINE_ void ext2fs_mark_super_dirty(ext2_filsys fs) | |
1804 | { | |
1805 | fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_CHANGED; | |
1806 | } | |
1807 | ||
1808 | /* | |
1809 | * Mark a filesystem as changed | |
1810 | */ | |
1811 | _INLINE_ void ext2fs_mark_changed(ext2_filsys fs) | |
1812 | { | |
1813 | fs->flags |= EXT2_FLAG_CHANGED; | |
1814 | } | |
1815 | ||
1816 | /* | |
1817 | * Check to see if a filesystem has changed | |
1818 | */ | |
1819 | _INLINE_ int ext2fs_test_changed(ext2_filsys fs) | |
1820 | { | |
1821 | return (fs->flags & EXT2_FLAG_CHANGED); | |
1822 | } | |
1823 | ||
1824 | /* | |
1825 | * Mark a filesystem as valid | |
1826 | */ | |
1827 | _INLINE_ void ext2fs_mark_valid(ext2_filsys fs) | |
1828 | { | |
1829 | fs->flags |= EXT2_FLAG_VALID; | |
1830 | } | |
1831 | ||
1832 | /* | |
1833 | * Mark a filesystem as NOT valid | |
1834 | */ | |
1835 | _INLINE_ void ext2fs_unmark_valid(ext2_filsys fs) | |
1836 | { | |
1837 | fs->flags &= ~EXT2_FLAG_VALID; | |
1838 | } | |
1839 | ||
1840 | /* | |
1841 | * Check to see if a filesystem is valid | |
1842 | */ | |
1843 | _INLINE_ int ext2fs_test_valid(ext2_filsys fs) | |
1844 | { | |
1845 | return (fs->flags & EXT2_FLAG_VALID); | |
1846 | } | |
1847 | ||
1848 | /* | |
1849 | * Mark the inode bitmap as dirty | |
1850 | */ | |
1851 | _INLINE_ void ext2fs_mark_ib_dirty(ext2_filsys fs) | |
1852 | { | |
1853 | fs->flags |= EXT2_FLAG_IB_DIRTY | EXT2_FLAG_CHANGED; | |
1854 | } | |
1855 | ||
1856 | /* | |
1857 | * Mark the block bitmap as dirty | |
1858 | */ | |
1859 | _INLINE_ void ext2fs_mark_bb_dirty(ext2_filsys fs) | |
1860 | { | |
1861 | fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_CHANGED; | |
1862 | } | |
1863 | ||
1864 | /* | |
1865 | * Check to see if a filesystem's inode bitmap is dirty | |
1866 | */ | |
1867 | _INLINE_ int ext2fs_test_ib_dirty(ext2_filsys fs) | |
1868 | { | |
1869 | return (fs->flags & EXT2_FLAG_IB_DIRTY); | |
1870 | } | |
1871 | ||
1872 | /* | |
1873 | * Check to see if a filesystem's block bitmap is dirty | |
1874 | */ | |
1875 | _INLINE_ int ext2fs_test_bb_dirty(ext2_filsys fs) | |
1876 | { | |
1877 | return (fs->flags & EXT2_FLAG_BB_DIRTY); | |
1878 | } | |
1879 | ||
1880 | /* | |
1881 | * Return the group # of a block | |
1882 | */ | |
b7048374 | 1883 | _INLINE_ dgrp_t ext2fs_group_of_blk(ext2_filsys fs, blk_t blk) |
3839e657 | 1884 | { |
e3854b3b | 1885 | return ext2fs_group_of_blk2(fs, blk); |
3839e657 | 1886 | } |
3839e657 TT |
1887 | /* |
1888 | * Return the group # of an inode number | |
1889 | */ | |
b7048374 | 1890 | _INLINE_ dgrp_t ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino) |
3839e657 TT |
1891 | { |
1892 | return (ino - 1) / fs->super->s_inodes_per_group; | |
1893 | } | |
0684a4f3 | 1894 | |
abf23439 ES |
1895 | /* |
1896 | * Return the first block (inclusive) in a group | |
1897 | */ | |
1898 | _INLINE_ blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group) | |
1899 | { | |
b7048374 | 1900 | return (blk_t) ext2fs_group_first_block2(fs, group); |
abf23439 ES |
1901 | } |
1902 | ||
1903 | /* | |
1904 | * Return the last block (inclusive) in a group | |
1905 | */ | |
1906 | _INLINE_ blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group) | |
1907 | { | |
b7048374 | 1908 | return (blk_t) ext2fs_group_last_block2(fs, group); |
abf23439 ES |
1909 | } |
1910 | ||
0684a4f3 TT |
1911 | _INLINE_ blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
1912 | struct ext2_inode *inode) | |
1913 | { | |
b7048374 | 1914 | return (blk_t) ext2fs_inode_data_blocks2(fs, inode); |
0684a4f3 | 1915 | } |
69022e02 TT |
1916 | |
1917 | /* | |
1918 | * This is an efficient, overflow safe way of calculating ceil((1.0 * a) / b) | |
1919 | */ | |
1920 | _INLINE_ unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b) | |
1921 | { | |
1922 | if (!a) | |
1923 | return 0; | |
1924 | return ((a - 1) / b) + 1; | |
1925 | } | |
743011fb JS |
1926 | |
1927 | _INLINE_ __u64 ext2fs_div64_ceil(__u64 a, __u64 b) | |
1928 | { | |
1929 | if (!a) | |
1930 | return 0; | |
1931 | return ((a - 1) / b) + 1; | |
1932 | } | |
1933 | ||
70f4632b JK |
1934 | _INLINE_ int ext2fs_dirent_name_len(const struct ext2_dir_entry *entry) |
1935 | { | |
1936 | return entry->name_len & 0xff; | |
1937 | } | |
1938 | ||
1939 | _INLINE_ void ext2fs_dirent_set_name_len(struct ext2_dir_entry *entry, int len) | |
1940 | { | |
1941 | entry->name_len = (entry->name_len & 0xff00) | (len & 0xff); | |
1942 | } | |
1943 | ||
1944 | _INLINE_ int ext2fs_dirent_file_type(const struct ext2_dir_entry *entry) | |
1945 | { | |
1946 | return entry->name_len >> 8; | |
1947 | } | |
1948 | ||
1949 | _INLINE_ void ext2fs_dirent_set_file_type(struct ext2_dir_entry *entry, int type) | |
1950 | { | |
1951 | entry->name_len = (entry->name_len & 0xff) | (type << 8); | |
1952 | } | |
1953 | ||
3839e657 TT |
1954 | #undef _INLINE_ |
1955 | #endif | |
1956 | ||
fa7ef717 TT |
1957 | #ifdef __cplusplus |
1958 | } | |
1959 | #endif | |
1960 | ||
9abd2ce9 | 1961 | #endif /* _EXT2FS_EXT2FS_H */ |