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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; | |
1d4074f3 TT |
80 | typedef __s32 __bitwise ext2_off_t; |
81 | typedef __s64 __bitwise ext2_off64_t; | |
832cb612 DW |
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 | |
611d3413 JQ |
97 | #include "hashmap.h" |
98 | ||
4c77fe50 TT |
99 | /* |
100 | * Portability help for Microsoft Visual C++ | |
101 | */ | |
102 | #ifdef _MSC_VER | |
103 | #define EXT2_QSORT_TYPE int __cdecl | |
104 | #else | |
105 | #define EXT2_QSORT_TYPE int | |
106 | #endif | |
107 | ||
f3db3566 TT |
108 | typedef struct struct_ext2_filsys *ext2_filsys; |
109 | ||
1e3472c5 TT |
110 | #define EXT2FS_MARK_ERROR 0 |
111 | #define EXT2FS_UNMARK_ERROR 1 | |
112 | #define EXT2FS_TEST_ERROR 2 | |
f3db3566 | 113 | |
83d9ffcc TT |
114 | struct ext2fs_struct_generic_bitmap_base { |
115 | errcode_t magic; | |
116 | ext2_filsys fs; | |
117 | }; | |
118 | ||
119 | typedef struct ext2fs_struct_generic_bitmap_base *ext2fs_generic_bitmap; | |
120 | typedef struct ext2fs_struct_generic_bitmap_base *ext2fs_inode_bitmap; | |
121 | typedef struct ext2fs_struct_generic_bitmap_base *ext2fs_block_bitmap; | |
f3db3566 | 122 | |
7f88b043 | 123 | #define EXT2_FIRST_INODE(s) EXT2_FIRST_INO(s) |
067911ae | 124 | |
7f88b043 | 125 | |
19c78dc0 | 126 | /* |
067911ae | 127 | * Badblocks list definitions |
19c78dc0 TT |
128 | */ |
129 | ||
b7a00563 TT |
130 | typedef struct ext2_struct_u32_list *ext2_badblocks_list; |
131 | typedef struct ext2_struct_u32_iterate *ext2_badblocks_iterate; | |
132 | ||
133 | typedef struct ext2_struct_u32_list *ext2_u32_list; | |
134 | typedef struct ext2_struct_u32_iterate *ext2_u32_iterate; | |
19c78dc0 TT |
135 | |
136 | /* old */ | |
b7a00563 TT |
137 | typedef struct ext2_struct_u32_list *badblocks_list; |
138 | typedef struct ext2_struct_u32_iterate *badblocks_iterate; | |
19c78dc0 TT |
139 | |
140 | #define BADBLOCKS_FLAG_DIRTY 1 | |
141 | ||
142 | /* | |
143 | * ext2_dblist structure and abstractions (see dblist.c) | |
144 | */ | |
ab13b5a9 TT |
145 | struct ext2_db_entry2 { |
146 | ext2_ino_t ino; | |
147 | blk64_t blk; | |
148 | e2_blkcnt_t blockcnt; | |
149 | }; | |
150 | ||
151 | /* Ye Olde 32-bit version */ | |
19c78dc0 | 152 | struct ext2_db_entry { |
31dbecd4 | 153 | ext2_ino_t ino; |
19c78dc0 TT |
154 | blk_t blk; |
155 | int blockcnt; | |
156 | }; | |
157 | ||
158 | typedef struct ext2_struct_dblist *ext2_dblist; | |
159 | ||
160 | #define DBLIST_ABORT 1 | |
161 | ||
30fab293 TT |
162 | /* |
163 | * ext2_fileio definitions | |
164 | */ | |
165 | ||
166 | #define EXT2_FILE_WRITE 0x0001 | |
167 | #define EXT2_FILE_CREATE 0x0002 | |
168 | ||
169 | #define EXT2_FILE_MASK 0x00FF | |
170 | ||
171 | #define EXT2_FILE_BUF_DIRTY 0x4000 | |
172 | #define EXT2_FILE_BUF_VALID 0x2000 | |
173 | ||
174 | typedef struct ext2_file *ext2_file_t; | |
175 | ||
176 | #define EXT2_SEEK_SET 0 | |
177 | #define EXT2_SEEK_CUR 1 | |
178 | #define EXT2_SEEK_END 2 | |
179 | ||
3839e657 | 180 | /* |
a112847b | 181 | * Flags for the ext2_filsys structure and for ext2fs_open() |
3839e657 | 182 | */ |
19c78dc0 TT |
183 | #define EXT2_FLAG_RW 0x01 |
184 | #define EXT2_FLAG_CHANGED 0x02 | |
185 | #define EXT2_FLAG_DIRTY 0x04 | |
186 | #define EXT2_FLAG_VALID 0x08 | |
187 | #define EXT2_FLAG_IB_DIRTY 0x10 | |
188 | #define EXT2_FLAG_BB_DIRTY 0x20 | |
5c576477 TT |
189 | #define EXT2_FLAG_SWAP_BYTES 0x40 |
190 | #define EXT2_FLAG_SWAP_BYTES_READ 0x80 | |
191 | #define EXT2_FLAG_SWAP_BYTES_WRITE 0x100 | |
192 | #define EXT2_FLAG_MASTER_SB_ONLY 0x200 | |
19c78dc0 | 193 | #define EXT2_FLAG_FORCE 0x400 |
43ec8734 | 194 | #define EXT2_FLAG_SUPER_ONLY 0x800 |
a112847b | 195 | #define EXT2_FLAG_JOURNAL_DEV_OK 0x1000 |
a78926ef | 196 | #define EXT2_FLAG_IMAGE_FILE 0x2000 |
39c47ce6 | 197 | #define EXT2_FLAG_EXCLUSIVE 0x4000 |
cf8272e1 | 198 | #define EXT2_FLAG_SOFTSUPP_FEATURES 0x8000 |
ab52e12a | 199 | #define EXT2_FLAG_NOFREE_ON_ERROR 0x10000 |
69365c68 | 200 | #define EXT2_FLAG_64BITS 0x20000 |
95fd65bb | 201 | #define EXT2_FLAG_PRINT_PROGRESS 0x40000 |
73fbe232 | 202 | #define EXT2_FLAG_DIRECT_IO 0x80000 |
0f5eba75 | 203 | #define EXT2_FLAG_SKIP_MMP 0x100000 |
5d914d72 | 204 | #define EXT2_FLAG_IGNORE_CSUM_ERRORS 0x200000 |
611d3413 JQ |
205 | #define EXT2_FLAG_SHARE_DUP 0x400000 |
206 | #define EXT2_FLAG_IGNORE_SB_ERRORS 0x800000 | |
d0efd17a TT |
207 | #define EXT2_FLAG_BBITMAP_TAIL_PROBLEM 0x1000000 |
208 | #define EXT2_FLAG_IBITMAP_TAIL_PROBLEM 0x2000000 | |
3839e657 | 209 | |
7f88b043 TT |
210 | /* |
211 | * Special flag in the ext2 inode i_flag field that means that this is | |
212 | * a new inode. (So that ext2_write_inode() can clear extra fields.) | |
213 | */ | |
214 | #define EXT2_NEW_INODE_FL 0x80000000 | |
215 | ||
4e246704 TT |
216 | /* |
217 | * Flags for mkjournal | |
4e246704 | 218 | */ |
6c54689f AD |
219 | #define EXT2_MKJOURNAL_V1_SUPER 0x0000001 /* create V1 superblock (deprecated) */ |
220 | #define EXT2_MKJOURNAL_LAZYINIT 0x0000002 /* don't zero journal inode before use*/ | |
304e11c2 | 221 | #define EXT2_MKJOURNAL_NO_MNT_CHECK 0x0000004 /* don't check mount status */ |
4e246704 | 222 | |
3fc46996 | 223 | struct blk_alloc_ctx; |
efe0b401 ES |
224 | struct opaque_ext2_group_desc; |
225 | ||
3839e657 | 226 | struct struct_ext2_filsys { |
4cbe8af4 | 227 | errcode_t magic; |
3839e657 TT |
228 | io_channel io; |
229 | int flags; | |
230 | char * device_name; | |
231 | struct ext2_super_block * super; | |
54434927 | 232 | unsigned int blocksize; |
3fbfad55 | 233 | int fragsize; |
2eb374c9 | 234 | dgrp_t group_desc_count; |
3839e657 | 235 | unsigned long desc_blocks; |
efe0b401 | 236 | struct opaque_ext2_group_desc * group_desc; |
d32c915a | 237 | unsigned int inode_blocks_per_group; |
f3db3566 TT |
238 | ext2fs_inode_bitmap inode_map; |
239 | ext2fs_block_bitmap block_map; | |
6d8b37fa | 240 | /* XXX FIXME-64: not 64-bit safe, but not used? */ |
31dbecd4 TT |
241 | errcode_t (*get_blocks)(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
242 | errcode_t (*check_directory)(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 243 | errcode_t (*write_bitmaps)(ext2_filsys fs); |
31dbecd4 | 244 | errcode_t (*read_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 245 | struct ext2_inode *inode); |
31dbecd4 | 246 | errcode_t (*write_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 247 | struct ext2_inode *inode); |
b7a00563 | 248 | ext2_badblocks_list badblocks; |
19c78dc0 | 249 | ext2_dblist dblist; |
a29f4d30 | 250 | __u32 stride; /* for mke2fs */ |
c180ac86 | 251 | struct ext2_super_block * orig_super; |
a78926ef | 252 | struct ext2_image_hdr * image_header; |
6a525069 | 253 | __u32 umask; |
9b9a780f | 254 | time_t now; |
3fbfad55 | 255 | int cluster_ratio_bits; |
67861e5b TT |
256 | __u16 default_bitmap_type; |
257 | __u16 pad; | |
19c78dc0 TT |
258 | /* |
259 | * Reserved for future expansion | |
260 | */ | |
67861e5b | 261 | __u32 reserved[5]; |
3839e657 TT |
262 | |
263 | /* | |
a29f4d30 | 264 | * Reserved for the use of the calling application. |
3839e657 | 265 | */ |
b5abe6fa | 266 | void * priv_data; |
a29f4d30 TT |
267 | |
268 | /* | |
269 | * Inode cache | |
270 | */ | |
271 | struct ext2_inode_cache *icache; | |
1ad54a94 | 272 | io_channel image_io; |
f5c562e2 | 273 | |
5fff8636 TT |
274 | /* |
275 | * More callback functions | |
276 | */ | |
277 | errcode_t (*get_alloc_block)(ext2_filsys fs, blk64_t goal, | |
278 | blk64_t *ret); | |
3fc46996 AS |
279 | errcode_t (*get_alloc_block2)(ext2_filsys fs, blk64_t goal, |
280 | blk64_t *ret, struct blk_alloc_ctx *ctx); | |
5fff8636 TT |
281 | void (*block_alloc_stats)(ext2_filsys fs, blk64_t blk, int inuse); |
282 | ||
0f5eba75 AD |
283 | /* |
284 | * Buffers for Multiple mount protection(MMP) block. | |
285 | */ | |
286 | void *mmp_buf; | |
287 | void *mmp_cmp; | |
288 | int mmp_fd; | |
289 | ||
290 | /* | |
291 | * Time at which e2fsck last updated the MMP block. | |
292 | */ | |
293 | long mmp_last_written; | |
dfe74c5c TT |
294 | |
295 | /* progress operation functions */ | |
296 | struct ext2fs_progress_ops *progress_ops; | |
4ffbe3af DW |
297 | |
298 | /* Precomputed FS UUID checksum for seeding other checksums */ | |
299 | __u32 csum_seed; | |
759c46cf DW |
300 | |
301 | io_channel journal_io; | |
302 | char *journal_name; | |
647e8786 DW |
303 | |
304 | /* New block range allocation hooks */ | |
305 | errcode_t (*new_range)(ext2_filsys fs, int flags, blk64_t goal, | |
306 | blk64_t len, blk64_t *pblk, blk64_t *plen); | |
307 | void (*block_alloc_stats_range)(ext2_filsys fs, blk64_t blk, blk_t num, | |
308 | int inuse); | |
611d3413 JQ |
309 | |
310 | /* hashmap for SHA of data blocks */ | |
311 | struct ext2fs_hashmap* block_sha_map; | |
28b44ef0 | 312 | |
388e1d56 | 313 | const struct ext2fs_nls_table *encoding; |
3839e657 TT |
314 | }; |
315 | ||
5953b9de TT |
316 | #if EXT2_FLAT_INCLUDES |
317 | #include "e2_bitops.h" | |
318 | #else | |
7c2d2569 | 319 | #include <ext2fs/bitops.h> |
5953b9de | 320 | #endif |
d40259fd | 321 | |
67861e5b TT |
322 | /* |
323 | * 64-bit bitmap backend types | |
324 | */ | |
67861e5b | 325 | #define EXT2FS_BMAP64_BITARRAY 1 |
c1359d91 | 326 | #define EXT2FS_BMAP64_RBTREE 2 |
d182831a | 327 | #define EXT2FS_BMAP64_AUTODIR 3 |
67861e5b | 328 | |
3839e657 TT |
329 | /* |
330 | * Return flags for the block iterator functions | |
331 | */ | |
416c1de9 ZL |
332 | #define BLOCK_CHANGED 1 |
333 | #define BLOCK_ABORT 2 | |
334 | #define BLOCK_ERROR 4 | |
335 | #define BLOCK_INLINE_DATA_CHANGED 8 | |
3839e657 TT |
336 | |
337 | /* | |
338 | * Block interate flags | |
50e1e10f TT |
339 | * |
340 | * BLOCK_FLAG_APPEND, or BLOCK_FLAG_HOLE, indicates that the interator | |
341 | * function should be called on blocks where the block number is zero. | |
342 | * This is used by ext2fs_expand_dir() to be able to add a new block | |
343 | * to an inode. It can also be used for programs that want to be able | |
344 | * to deal with files that contain "holes". | |
efc6f628 | 345 | * |
7447921d TT |
346 | * BLOCK_FLAG_DEPTH_TRAVERSE indicates that the iterator function for |
347 | * the indirect, doubly indirect, etc. blocks should be called after | |
055866d8 | 348 | * all of the blocks contained in the indirect blocks are processed. |
50e1e10f TT |
349 | * This is useful if you are going to be deallocating blocks from an |
350 | * inode. | |
1e3472c5 TT |
351 | * |
352 | * BLOCK_FLAG_DATA_ONLY indicates that the iterator function should be | |
353 | * called for data blocks only. | |
674a4ee1 | 354 | * |
efc6f628 | 355 | * BLOCK_FLAG_READ_ONLY is a promise by the caller that it will not |
357d1863 TT |
356 | * modify returned block number. |
357 | * | |
674a4ee1 | 358 | * BLOCK_FLAG_NO_LARGE is for internal use only. It informs |
36a43d67 | 359 | * ext2fs_block_iterate2 that large files won't be accepted. |
3839e657 TT |
360 | */ |
361 | #define BLOCK_FLAG_APPEND 1 | |
50e1e10f | 362 | #define BLOCK_FLAG_HOLE 1 |
3839e657 | 363 | #define BLOCK_FLAG_DEPTH_TRAVERSE 2 |
1e3472c5 | 364 | #define BLOCK_FLAG_DATA_ONLY 4 |
357d1863 | 365 | #define BLOCK_FLAG_READ_ONLY 8 |
1e3472c5 | 366 | |
674a4ee1 TT |
367 | #define BLOCK_FLAG_NO_LARGE 0x1000 |
368 | ||
1e3472c5 TT |
369 | /* |
370 | * Magic "block count" return values for the block iterator function. | |
371 | */ | |
372 | #define BLOCK_COUNT_IND (-1) | |
373 | #define BLOCK_COUNT_DIND (-2) | |
374 | #define BLOCK_COUNT_TIND (-3) | |
375 | #define BLOCK_COUNT_TRANSLATOR (-4) | |
3839e657 | 376 | |
3fc46996 AS |
377 | #define BLOCK_ALLOC_UNKNOWN 0 |
378 | #define BLOCK_ALLOC_DATA 1 | |
379 | #define BLOCK_ALLOC_METADATA 2 | |
380 | ||
381 | struct blk_alloc_ctx { | |
382 | ext2_ino_t ino; | |
383 | struct ext2_inode *inode; | |
384 | blk64_t lblk; | |
385 | int flags; | |
386 | }; | |
387 | ||
4a31c48b | 388 | #if 0 |
1e1da29f TT |
389 | /* |
390 | * Flags for ext2fs_move_blocks | |
391 | */ | |
efc6f628 | 392 | #define EXT2_BMOVE_GET_DBLIST 0x0001 |
36f21439 | 393 | #define EXT2_BMOVE_DEBUG 0x0002 |
4a31c48b | 394 | #endif |
1e1da29f | 395 | |
3eb07f64 TT |
396 | /* |
397 | * Generic (non-filesystem layout specific) extents structure | |
398 | */ | |
399 | ||
400 | #define EXT2_EXTENT_FLAGS_LEAF 0x0001 | |
401 | #define EXT2_EXTENT_FLAGS_UNINIT 0x0002 | |
402 | #define EXT2_EXTENT_FLAGS_SECOND_VISIT 0x0004 | |
403 | ||
404 | struct ext2fs_extent { | |
405 | blk64_t e_pblk; /* first physical block */ | |
406 | blk64_t e_lblk; /* first logical block extent covers */ | |
407 | __u32 e_len; /* number of blocks covered by extent */ | |
408 | __u32 e_flags; /* extent flags */ | |
409 | }; | |
410 | ||
411 | typedef struct ext2_extent_handle *ext2_extent_handle_t; | |
412 | typedef struct ext2_extent_path *ext2_extent_path_t; | |
413 | ||
414 | /* | |
415 | * Flags used by ext2fs_extent_get() | |
416 | */ | |
417 | #define EXT2_EXTENT_CURRENT 0x0000 | |
418 | #define EXT2_EXTENT_MOVE_MASK 0x000F | |
419 | #define EXT2_EXTENT_ROOT 0x0001 | |
420 | #define EXT2_EXTENT_LAST_LEAF 0x0002 | |
421 | #define EXT2_EXTENT_FIRST_SIB 0x0003 | |
422 | #define EXT2_EXTENT_LAST_SIB 0x0004 | |
423 | #define EXT2_EXTENT_NEXT_SIB 0x0005 | |
424 | #define EXT2_EXTENT_PREV_SIB 0x0006 | |
425 | #define EXT2_EXTENT_NEXT_LEAF 0x0007 | |
426 | #define EXT2_EXTENT_PREV_LEAF 0x0008 | |
427 | #define EXT2_EXTENT_NEXT 0x0009 | |
428 | #define EXT2_EXTENT_PREV 0x000A | |
429 | #define EXT2_EXTENT_UP 0x000B | |
430 | #define EXT2_EXTENT_DOWN 0x000C | |
431 | #define EXT2_EXTENT_DOWN_AND_LAST 0x000D | |
432 | ||
433 | /* | |
434 | * Flags used by ext2fs_extent_insert() | |
435 | */ | |
01229db5 ES |
436 | #define EXT2_EXTENT_INSERT_AFTER 0x0001 /* insert after handle loc'n */ |
437 | #define EXT2_EXTENT_INSERT_NOSPLIT 0x0002 /* insert may not cause split */ | |
3eb07f64 | 438 | |
c802ad9e ES |
439 | /* |
440 | * Flags used by ext2fs_extent_delete() | |
441 | */ | |
055866d8 | 442 | #define EXT2_EXTENT_DELETE_KEEP_EMPTY 0x001 /* keep node if last extent gone */ |
c802ad9e | 443 | |
f4e9963c ES |
444 | /* |
445 | * Flags used by ext2fs_extent_set_bmap() | |
446 | */ | |
447 | #define EXT2_EXTENT_SET_BMAP_UNINIT 0x0001 | |
448 | ||
3eb07f64 TT |
449 | /* |
450 | * Data structure returned by ext2fs_extent_get_info() | |
451 | */ | |
452 | struct ext2_extent_info { | |
453 | int curr_entry; | |
454 | int curr_level; | |
455 | int num_entries; | |
456 | int max_entries; | |
457 | int max_depth; | |
458 | int bytes_avail; | |
459 | blk64_t max_lblk; | |
460 | blk64_t max_pblk; | |
461 | __u32 max_len; | |
462 | __u32 max_uninit_len; | |
463 | }; | |
464 | ||
f9190c8a TT |
465 | /* |
466 | * Flags for directory block reading and writing functions | |
467 | */ | |
468 | #define EXT2_DIRBLOCK_V2_STRUCT 0x0001 | |
469 | ||
3839e657 TT |
470 | /* |
471 | * Return flags for the directory iterator functions | |
472 | */ | |
473 | #define DIRENT_CHANGED 1 | |
474 | #define DIRENT_ABORT 2 | |
475 | #define DIRENT_ERROR 3 | |
476 | ||
477 | /* | |
478 | * Directory iterator flags | |
479 | */ | |
480 | ||
481 | #define DIRENT_FLAG_INCLUDE_EMPTY 1 | |
8bd0c959 | 482 | #define DIRENT_FLAG_INCLUDE_REMOVED 2 |
41bf5993 | 483 | #define DIRENT_FLAG_INCLUDE_CSUM 4 |
416c1de9 | 484 | #define DIRENT_FLAG_INCLUDE_INLINE_DATA 8 |
19c78dc0 TT |
485 | |
486 | #define DIRENT_DOT_FILE 1 | |
487 | #define DIRENT_DOT_DOT_FILE 2 | |
488 | #define DIRENT_OTHER_FILE 3 | |
8bd0c959 | 489 | #define DIRENT_DELETED_FILE 4 |
41bf5993 | 490 | #define DIRENT_CHECKSUM 5 |
19c78dc0 | 491 | |
3839e657 TT |
492 | /* |
493 | * Inode scan definitions | |
494 | */ | |
f3db3566 TT |
495 | typedef struct ext2_struct_inode_scan *ext2_inode_scan; |
496 | ||
19c78dc0 TT |
497 | /* |
498 | * ext2fs_scan flags | |
499 | */ | |
500 | #define EXT2_SF_CHK_BADBLOCKS 0x0001 | |
501 | #define EXT2_SF_BAD_INODE_BLK 0x0002 | |
502 | #define EXT2_SF_BAD_EXTRA_BYTES 0x0004 | |
503 | #define EXT2_SF_SKIP_MISSING_ITABLE 0x0008 | |
f5fa2007 | 504 | #define EXT2_SF_DO_LAZY 0x0010 |
68d70624 | 505 | #define EXT2_SF_WARN_GARBAGE_INODES 0x0020 |
3839e657 | 506 | |
50e1e10f TT |
507 | /* |
508 | * ext2fs_check_if_mounted flags | |
509 | */ | |
510 | #define EXT2_MF_MOUNTED 1 | |
511 | #define EXT2_MF_ISROOT 2 | |
19c78dc0 | 512 | #define EXT2_MF_READONLY 4 |
07cefe7a | 513 | #define EXT2_MF_SWAP 8 |
2fa8f37f | 514 | #define EXT2_MF_BUSY 16 |
50e1e10f TT |
515 | |
516 | /* | |
517 | * Ext2/linux mode flags. We define them here so that we don't need | |
518 | * to depend on the OS's sys/stat.h, since we may be compiling on a | |
519 | * non-Linux system. | |
520 | */ | |
521 | #define LINUX_S_IFMT 00170000 | |
522 | #define LINUX_S_IFSOCK 0140000 | |
523 | #define LINUX_S_IFLNK 0120000 | |
524 | #define LINUX_S_IFREG 0100000 | |
525 | #define LINUX_S_IFBLK 0060000 | |
526 | #define LINUX_S_IFDIR 0040000 | |
527 | #define LINUX_S_IFCHR 0020000 | |
528 | #define LINUX_S_IFIFO 0010000 | |
529 | #define LINUX_S_ISUID 0004000 | |
530 | #define LINUX_S_ISGID 0002000 | |
531 | #define LINUX_S_ISVTX 0001000 | |
532 | ||
1e3472c5 TT |
533 | #define LINUX_S_IRWXU 00700 |
534 | #define LINUX_S_IRUSR 00400 | |
535 | #define LINUX_S_IWUSR 00200 | |
536 | #define LINUX_S_IXUSR 00100 | |
537 | ||
538 | #define LINUX_S_IRWXG 00070 | |
539 | #define LINUX_S_IRGRP 00040 | |
540 | #define LINUX_S_IWGRP 00020 | |
541 | #define LINUX_S_IXGRP 00010 | |
542 | ||
543 | #define LINUX_S_IRWXO 00007 | |
544 | #define LINUX_S_IROTH 00004 | |
545 | #define LINUX_S_IWOTH 00002 | |
546 | #define LINUX_S_IXOTH 00001 | |
547 | ||
50e1e10f TT |
548 | #define LINUX_S_ISLNK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFLNK) |
549 | #define LINUX_S_ISREG(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFREG) | |
550 | #define LINUX_S_ISDIR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFDIR) | |
551 | #define LINUX_S_ISCHR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFCHR) | |
552 | #define LINUX_S_ISBLK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFBLK) | |
553 | #define LINUX_S_ISFIFO(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFIFO) | |
554 | #define LINUX_S_ISSOCK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK) | |
555 | ||
819157db TT |
556 | /* |
557 | * ext2 size of an inode | |
558 | */ | |
559 | #define EXT2_I_SIZE(i) ((i)->i_size | ((__u64) (i)->i_size_high << 32)) | |
560 | ||
19c78dc0 TT |
561 | /* |
562 | * ext2_icount_t abstraction | |
563 | */ | |
564 | #define EXT2_ICOUNT_OPT_INCREMENT 0x01 | |
6304d212 | 565 | #define EXT2_ICOUNT_OPT_FULLMAP 0x02 |
19c78dc0 TT |
566 | |
567 | typedef struct ext2_icount *ext2_icount_t; | |
568 | ||
30fab293 TT |
569 | /* |
570 | * Flags for ext2fs_bmap | |
571 | */ | |
1d667534 TT |
572 | #define BMAP_ALLOC 0x0001 |
573 | #define BMAP_SET 0x0002 | |
60a212f7 DW |
574 | #define BMAP_UNINIT 0x0004 |
575 | #define BMAP_ZERO 0x0008 | |
30fab293 | 576 | |
cc9bf5d2 TT |
577 | /* |
578 | * Returned flags from ext2fs_bmap | |
579 | */ | |
580 | #define BMAP_RET_UNINIT 0x0001 | |
581 | ||
3f69836a TT |
582 | /* |
583 | * Flags for ext2fs_read_inode2 | |
584 | */ | |
585 | #define READ_INODE_NOCSUM 0x0001 | |
586 | ||
587 | /* | |
588 | * Flags for ext2fs_write_inode2 | |
589 | */ | |
590 | #define WRITE_INODE_NOCSUM 0x0001 | |
591 | ||
72ed1264 TT |
592 | /* |
593 | * Flags for imager.c functions | |
594 | */ | |
595 | #define IMAGER_FLAG_INODEMAP 1 | |
596 | #define IMAGER_FLAG_SPARSEWRITE 2 | |
597 | ||
f3db3566 TT |
598 | /* |
599 | * For checking structure magic numbers... | |
600 | */ | |
3839e657 | 601 | |
f3db3566 TT |
602 | #define EXT2_CHECK_MAGIC(struct, code) \ |
603 | if ((struct)->magic != (code)) return (code) | |
1e3472c5 | 604 | |
521e3685 | 605 | /* |
426d734f | 606 | * Features supported by this version of the library |
521e3685 | 607 | */ |
3a5f8eaa TT |
608 | #define EXT2_LIB_FEATURE_COMPAT_SUPP (EXT2_FEATURE_COMPAT_DIR_PREALLOC|\ |
609 | EXT2_FEATURE_COMPAT_IMAGIC_INODES|\ | |
342d847d | 610 | EXT3_FEATURE_COMPAT_HAS_JOURNAL|\ |
d323f8fb | 611 | EXT2_FEATURE_COMPAT_RESIZE_INODE|\ |
52783e0c | 612 | EXT2_FEATURE_COMPAT_DIR_INDEX|\ |
65c6c3e0 | 613 | EXT2_FEATURE_COMPAT_EXT_ATTR|\ |
26aa2f17 | 614 | EXT4_FEATURE_COMPAT_SPARSE_SUPER2|\ |
2d2d00c6 EB |
615 | EXT4_FEATURE_COMPAT_FAST_COMMIT|\ |
616 | EXT4_FEATURE_COMPAT_STABLE_INODES) | |
2fe1efe2 | 617 | |
d6a4bcb5 TB |
618 | #ifdef CONFIG_MMP |
619 | #define EXT4_LIB_INCOMPAT_MMP EXT4_FEATURE_INCOMPAT_MMP | |
620 | #else | |
621 | #define EXT4_LIB_INCOMPAT_MMP (0) | |
622 | #endif | |
623 | ||
ab146766 | 624 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ |
a112847b | 625 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ |
c046ac7f | 626 | EXT2_FEATURE_INCOMPAT_META_BG|\ |
c2d4300b | 627 | EXT3_FEATURE_INCOMPAT_RECOVER|\ |
15d482ba | 628 | EXT3_FEATURE_INCOMPAT_EXTENTS|\ |
02d6f47e | 629 | EXT4_FEATURE_INCOMPAT_FLEX_BG|\ |
6a081f6d | 630 | EXT4_FEATURE_INCOMPAT_EA_INODE|\ |
d6a4bcb5 | 631 | EXT4_LIB_INCOMPAT_MMP|\ |
448cc0e4 | 632 | EXT4_FEATURE_INCOMPAT_64BIT|\ |
bbb85949 | 633 | EXT4_FEATURE_INCOMPAT_INLINE_DATA|\ |
2ed0adbc | 634 | EXT4_FEATURE_INCOMPAT_ENCRYPT|\ |
28887533 | 635 | EXT4_FEATURE_INCOMPAT_CASEFOLD|\ |
3f0cf647 AB |
636 | EXT4_FEATURE_INCOMPAT_CSUM_SEED|\ |
637 | EXT4_FEATURE_INCOMPAT_LARGEDIR) | |
2aac4777 | 638 | |
7becb206 TT |
639 | #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\ |
640 | EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\ | |
641 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\ | |
642 | EXT4_FEATURE_RO_COMPAT_DIR_NLINK|\ | |
643 | EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\ | |
644 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM|\ | |
3e752286 | 645 | EXT4_FEATURE_RO_COMPAT_BIGALLOC|\ |
9e8fcd6e | 646 | EXT4_FEATURE_RO_COMPAT_QUOTA|\ |
8b39e4cf | 647 | EXT4_FEATURE_RO_COMPAT_METADATA_CSUM|\ |
0c18d036 | 648 | EXT4_FEATURE_RO_COMPAT_READONLY |\ |
611d3413 | 649 | EXT4_FEATURE_RO_COMPAT_PROJECT |\ |
76e28a13 EB |
650 | EXT4_FEATURE_RO_COMPAT_SHARED_BLOCKS |\ |
651 | EXT4_FEATURE_RO_COMPAT_VERITY) | |
cf8272e1 TT |
652 | |
653 | /* | |
654 | * These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed | |
655 | * to ext2fs_openfs() | |
656 | */ | |
bbb85949 | 657 | #define EXT2_LIB_SOFTSUPP_INCOMPAT (0) |
991211f6 | 658 | #define EXT2_LIB_SOFTSUPP_RO_COMPAT (EXT4_FEATURE_RO_COMPAT_REPLICA) |
cf8272e1 | 659 | |
1da5ef70 TT |
660 | |
661 | /* Translate a block number to a cluster number */ | |
662 | #define EXT2FS_CLUSTER_RATIO(fs) (1 << (fs)->cluster_ratio_bits) | |
663 | #define EXT2FS_CLUSTER_MASK(fs) (EXT2FS_CLUSTER_RATIO(fs) - 1) | |
664 | #define EXT2FS_B2C(fs, blk) ((blk) >> (fs)->cluster_ratio_bits) | |
665 | /* Translate a cluster number to a block number */ | |
666 | #define EXT2FS_C2B(fs, cluster) ((cluster) << (fs)->cluster_ratio_bits) | |
667 | /* Translate # of blks to # of clusters */ | |
668 | #define EXT2FS_NUM_B2C(fs, blks) (((blks) + EXT2FS_CLUSTER_MASK(fs)) >> \ | |
669 | (fs)->cluster_ratio_bits) | |
670 | ||
a9f46078 | 671 | #if defined(HAVE_FSTAT64) && !defined(__OSX_AVAILABLE_BUT_DEPRECATED) |
c859cb1d LC |
672 | typedef struct stat64 ext2fs_struct_stat; |
673 | #else | |
674 | typedef struct stat ext2fs_struct_stat; | |
675 | #endif | |
676 | ||
9d9a53e6 RJ |
677 | /* |
678 | * For ext2fs_close2() and ext2fs_flush2(), this flag allows you to | |
679 | * avoid the fsync call. | |
680 | */ | |
681 | #define EXT2_FLAG_FLUSH_NO_SYNC 1 | |
682 | ||
2077c208 DW |
683 | /* |
684 | * Modify and iterate extended attributes | |
685 | */ | |
686 | struct ext2_xattr_handle; | |
687 | #define XATTR_ABORT 1 | |
688 | #define XATTR_CHANGED 2 | |
689 | ||
3839e657 TT |
690 | /* |
691 | * function prototypes | |
692 | */ | |
5b58dc23 DW |
693 | static inline int ext2fs_has_group_desc_csum(ext2_filsys fs) |
694 | { | |
77b3e987 DW |
695 | return ext2fs_has_feature_metadata_csum(fs->super) || |
696 | ext2fs_has_feature_gdt_csum(fs->super); | |
5b58dc23 | 697 | } |
3839e657 | 698 | |
3b6c0938 DW |
699 | /* The LARGE_FILE feature should be set if we have stored files 2GB+ in size */ |
700 | static inline int ext2fs_needs_large_file_feature(unsigned long long file_size) | |
701 | { | |
702 | return file_size >= 0x80000000ULL; | |
703 | } | |
704 | ||
3839e657 | 705 | /* alloc.c */ |
f3745728 | 706 | extern void ext2fs_clear_block_uninit(ext2_filsys fs, dgrp_t group); |
31dbecd4 TT |
707 | extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode, |
708 | ext2fs_inode_bitmap map, ext2_ino_t *ret); | |
3839e657 | 709 | extern errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal, |
f3db3566 | 710 | ext2fs_block_bitmap map, blk_t *ret); |
8a5e1812 JS |
711 | extern errcode_t ext2fs_new_block2(ext2_filsys fs, blk64_t goal, |
712 | ext2fs_block_bitmap map, blk64_t *ret); | |
3fc46996 AS |
713 | extern errcode_t ext2fs_new_block3(ext2_filsys fs, blk64_t goal, |
714 | ext2fs_block_bitmap map, blk64_t *ret, | |
715 | struct blk_alloc_ctx *ctx); | |
3839e657 | 716 | extern errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, |
f3db3566 TT |
717 | blk_t finish, int num, |
718 | ext2fs_block_bitmap map, | |
3839e657 | 719 | blk_t *ret); |
8a5e1812 JS |
720 | extern errcode_t ext2fs_get_free_blocks2(ext2_filsys fs, blk64_t start, |
721 | blk64_t finish, int num, | |
722 | ext2fs_block_bitmap map, | |
723 | blk64_t *ret); | |
30fab293 TT |
724 | extern errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal, |
725 | char *block_buf, blk_t *ret); | |
8a5e1812 JS |
726 | extern errcode_t ext2fs_alloc_block2(ext2_filsys fs, blk64_t goal, |
727 | char *block_buf, blk64_t *ret); | |
3fc46996 AS |
728 | extern errcode_t ext2fs_alloc_block3(ext2_filsys fs, blk64_t goal, |
729 | char *block_buf, blk64_t *ret, | |
730 | struct blk_alloc_ctx *ctx); | |
731 | ||
efc6f628 | 732 | extern void ext2fs_set_alloc_block_callback(ext2_filsys fs, |
f5c562e2 TT |
733 | errcode_t (*func)(ext2_filsys fs, |
734 | blk64_t goal, | |
735 | blk64_t *ret), | |
736 | errcode_t (**old)(ext2_filsys fs, | |
737 | blk64_t goal, | |
738 | blk64_t *ret)); | |
7b486ec0 DW |
739 | blk64_t ext2fs_find_inode_goal(ext2_filsys fs, ext2_ino_t ino, |
740 | struct ext2_inode *inode, blk64_t lblk); | |
647e8786 DW |
741 | extern void ext2fs_set_new_range_callback(ext2_filsys fs, |
742 | errcode_t (*func)(ext2_filsys fs, int flags, blk64_t goal, | |
743 | blk64_t len, blk64_t *pblk, blk64_t *plen), | |
744 | errcode_t (**old)(ext2_filsys fs, int flags, blk64_t goal, | |
745 | blk64_t len, blk64_t *pblk, blk64_t *plen)); | |
746 | extern void ext2fs_set_block_alloc_stats_range_callback(ext2_filsys fs, | |
747 | void (*func)(ext2_filsys fs, blk64_t blk, | |
748 | blk_t num, int inuse), | |
749 | void (**old)(ext2_filsys fs, blk64_t blk, | |
750 | blk_t num, int inuse)); | |
5a980264 DW |
751 | #define EXT2_NEWRANGE_FIXED_GOAL (0x1) |
752 | #define EXT2_NEWRANGE_MIN_LENGTH (0x2) | |
753 | #define EXT2_NEWRANGE_ALL_FLAGS (0x3) | |
754 | errcode_t ext2fs_new_range(ext2_filsys fs, int flags, blk64_t goal, | |
755 | blk64_t len, ext2fs_block_bitmap map, blk64_t *pblk, | |
756 | blk64_t *plen); | |
757 | #define EXT2_ALLOCRANGE_FIXED_GOAL (0x1) | |
758 | #define EXT2_ALLOCRANGE_ZERO_BLOCKS (0x2) | |
759 | #define EXT2_ALLOCRANGE_ALL_FLAGS (0x3) | |
760 | errcode_t ext2fs_alloc_range(ext2_filsys fs, int flags, blk64_t goal, | |
761 | blk_t len, blk64_t *ret); | |
3839e657 | 762 | |
ef344e13 | 763 | /* alloc_sb.c */ |
efc6f628 | 764 | extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs, |
ef344e13 TT |
765 | dgrp_t group, |
766 | ext2fs_block_bitmap bmap); | |
efc6f628 | 767 | extern void ext2fs_set_block_alloc_stats_callback(ext2_filsys fs, |
f5c562e2 TT |
768 | void (*func)(ext2_filsys fs, |
769 | blk64_t blk, | |
770 | int inuse), | |
771 | void (**old)(ext2_filsys fs, | |
772 | blk64_t blk, | |
773 | int inuse)); | |
ef344e13 | 774 | |
8bd0c959 TT |
775 | /* alloc_stats.c */ |
776 | void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse); | |
7f961d42 TT |
777 | void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, |
778 | int inuse, int isdir); | |
8bd0c959 | 779 | void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse); |
e8328e31 | 780 | void ext2fs_block_alloc_stats2(ext2_filsys fs, blk64_t blk, int inuse); |
5c41451e TT |
781 | void ext2fs_block_alloc_stats_range(ext2_filsys fs, blk64_t blk, |
782 | blk_t num, int inuse); | |
8bd0c959 | 783 | |
1e1da29f TT |
784 | /* alloc_tables.c */ |
785 | extern errcode_t ext2fs_allocate_tables(ext2_filsys fs); | |
2eb374c9 | 786 | extern errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, |
1e1da29f | 787 | ext2fs_block_bitmap bmap); |
19c78dc0 | 788 | |
3839e657 | 789 | /* badblocks.c */ |
b7a00563 TT |
790 | extern errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size); |
791 | extern errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk); | |
54434927 | 792 | extern int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk); |
b7a00563 TT |
793 | extern int ext2fs_u32_list_test(ext2_u32_list bb, blk_t blk); |
794 | extern errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, | |
795 | ext2_u32_iterate *ret); | |
796 | extern int ext2fs_u32_list_iterate(ext2_u32_iterate iter, blk_t *blk); | |
797 | extern void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter); | |
798 | extern errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest); | |
799 | extern int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2); | |
800 | ||
19c78dc0 TT |
801 | extern errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, |
802 | int size); | |
19c78dc0 TT |
803 | extern errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, |
804 | blk_t blk); | |
805 | extern int ext2fs_badblocks_list_test(ext2_badblocks_list bb, | |
806 | blk_t blk); | |
7d7bdd57 TT |
807 | extern int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk); |
808 | extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk); | |
19c78dc0 TT |
809 | extern errcode_t |
810 | ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, | |
811 | ext2_badblocks_iterate *ret); | |
812 | extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, | |
813 | blk_t *blk); | |
814 | extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter); | |
a29f4d30 TT |
815 | extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, |
816 | ext2_badblocks_list *dest); | |
57dca854 TT |
817 | extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1, |
818 | ext2_badblocks_list bb2); | |
220c0040 | 819 | extern int ext2fs_u32_list_count(ext2_u32_list bb); |
19c78dc0 TT |
820 | |
821 | /* bb_compat */ | |
3839e657 | 822 | extern errcode_t badblocks_list_create(badblocks_list *ret, int size); |
3839e657 TT |
823 | extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk); |
824 | extern int badblocks_list_test(badblocks_list bb, blk_t blk); | |
825 | extern errcode_t badblocks_list_iterate_begin(badblocks_list bb, | |
826 | badblocks_iterate *ret); | |
827 | extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk); | |
828 | extern void badblocks_list_iterate_end(badblocks_iterate iter); | |
a29f4d30 | 829 | extern void badblocks_list_free(badblocks_list bb); |
3839e657 TT |
830 | |
831 | /* bb_inode.c */ | |
832 | extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs, | |
19c78dc0 | 833 | ext2_badblocks_list bb_list); |
3839e657 TT |
834 | |
835 | /* bitmaps.c */ | |
a0553c9d TT |
836 | extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap); |
837 | extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap); | |
f1f115a7 TT |
838 | extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, |
839 | ext2fs_generic_bitmap *dest); | |
3839e657 TT |
840 | extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs); |
841 | extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs); | |
842 | extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs); | |
843 | extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs); | |
50e1e10f TT |
844 | extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, |
845 | const char *descr, | |
846 | ext2fs_block_bitmap *ret); | |
94968e74 TT |
847 | extern errcode_t ext2fs_allocate_subcluster_bitmap(ext2_filsys fs, |
848 | const char *descr, | |
849 | ext2fs_block_bitmap *ret); | |
850 | extern int ext2fs_get_bitmap_granularity(ext2fs_block_bitmap bitmap); | |
50e1e10f TT |
851 | extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, |
852 | const char *descr, | |
853 | ext2fs_inode_bitmap *ret); | |
854 | extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, | |
31dbecd4 | 855 | ext2_ino_t end, ext2_ino_t *oend); |
50e1e10f TT |
856 | extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, |
857 | blk_t end, blk_t *oend); | |
8f82ef98 VAH |
858 | extern errcode_t ext2fs_fudge_block_bitmap_end2(ext2fs_block_bitmap bitmap, |
859 | blk64_t end, blk64_t *oend); | |
50e1e10f TT |
860 | extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap); |
861 | extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap); | |
3839e657 TT |
862 | extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs); |
863 | extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs); | |
50448d3d TT |
864 | extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, |
865 | ext2fs_inode_bitmap bmap); | |
8f82ef98 VAH |
866 | extern errcode_t ext2fs_resize_inode_bitmap2(__u64 new_end, |
867 | __u64 new_real_end, | |
868 | ext2fs_inode_bitmap bmap); | |
50448d3d TT |
869 | extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, |
870 | ext2fs_block_bitmap bmap); | |
8f82ef98 VAH |
871 | extern errcode_t ext2fs_resize_block_bitmap2(__u64 new_end, |
872 | __u64 new_real_end, | |
873 | ext2fs_block_bitmap bmap); | |
50448d3d TT |
874 | extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, |
875 | ext2fs_block_bitmap bm2); | |
876 | extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, | |
877 | ext2fs_inode_bitmap bm2); | |
f1f115a7 TT |
878 | extern errcode_t ext2fs_set_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
879 | ext2_ino_t start, unsigned int num, | |
880 | void *in); | |
8f82ef98 VAH |
881 | extern errcode_t ext2fs_set_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
882 | __u64 start, size_t num, | |
883 | void *in); | |
f1f115a7 TT |
884 | extern errcode_t ext2fs_get_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
885 | ext2_ino_t start, unsigned int num, | |
886 | void *out); | |
8f82ef98 VAH |
887 | extern errcode_t ext2fs_get_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
888 | __u64 start, size_t num, | |
889 | void *out); | |
f1f115a7 TT |
890 | extern errcode_t ext2fs_set_block_bitmap_range(ext2fs_block_bitmap bmap, |
891 | blk_t start, unsigned int num, | |
892 | void *in); | |
8f82ef98 VAH |
893 | extern errcode_t ext2fs_set_block_bitmap_range2(ext2fs_block_bitmap bmap, |
894 | blk64_t start, size_t num, | |
895 | void *in); | |
f1f115a7 TT |
896 | extern errcode_t ext2fs_get_block_bitmap_range(ext2fs_block_bitmap bmap, |
897 | blk_t start, unsigned int num, | |
898 | void *out); | |
8f82ef98 VAH |
899 | extern errcode_t ext2fs_get_block_bitmap_range2(ext2fs_block_bitmap bmap, |
900 | blk64_t start, size_t num, | |
901 | void *out); | |
50448d3d | 902 | |
e3854b3b | 903 | /* blknum.c */ |
a80ea340 | 904 | extern __u32 ext2fs_inode_bitmap_checksum(ext2_filsys fs, dgrp_t group); |
e7dc95c6 | 905 | extern __u32 ext2fs_block_bitmap_checksum(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
906 | extern dgrp_t ext2fs_group_of_blk2(ext2_filsys fs, blk64_t); |
907 | extern blk64_t ext2fs_group_first_block2(ext2_filsys fs, dgrp_t group); | |
908 | extern blk64_t ext2fs_group_last_block2(ext2_filsys fs, dgrp_t group); | |
98f45471 | 909 | extern int ext2fs_group_blocks_count(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
910 | extern blk64_t ext2fs_inode_data_blocks2(ext2_filsys fs, |
911 | struct ext2_inode *inode); | |
912 | extern blk64_t ext2fs_inode_i_blocks(ext2_filsys fs, | |
3a15d85b TT |
913 | struct ext2_inode *inode); |
914 | extern blk64_t ext2fs_get_stat_i_blocks(ext2_filsys fs, | |
915 | struct ext2_inode *inode); | |
e3854b3b JS |
916 | extern blk64_t ext2fs_blocks_count(struct ext2_super_block *super); |
917 | extern void ext2fs_blocks_count_set(struct ext2_super_block *super, | |
918 | blk64_t blk); | |
919 | extern void ext2fs_blocks_count_add(struct ext2_super_block *super, | |
920 | blk64_t blk); | |
921 | extern blk64_t ext2fs_r_blocks_count(struct ext2_super_block *super); | |
922 | extern void ext2fs_r_blocks_count_set(struct ext2_super_block *super, | |
923 | blk64_t blk); | |
924 | extern void ext2fs_r_blocks_count_add(struct ext2_super_block *super, | |
925 | blk64_t blk); | |
926 | extern blk64_t ext2fs_free_blocks_count(struct ext2_super_block *super); | |
927 | extern void ext2fs_free_blocks_count_set(struct ext2_super_block *super, | |
928 | blk64_t blk); | |
929 | extern void ext2fs_free_blocks_count_add(struct ext2_super_block *super, | |
930 | blk64_t blk); | |
931 | /* Block group descriptor accessor functions */ | |
932 | extern struct ext2_group_desc *ext2fs_group_desc(ext2_filsys fs, | |
efe0b401 | 933 | struct opaque_ext2_group_desc *gdp, |
e3854b3b | 934 | dgrp_t group); |
e7dc95c6 | 935 | extern blk64_t ext2fs_block_bitmap_csum(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
936 | extern blk64_t ext2fs_block_bitmap_loc(ext2_filsys fs, dgrp_t group); |
937 | extern void ext2fs_block_bitmap_loc_set(ext2_filsys fs, dgrp_t group, | |
938 | blk64_t blk); | |
a80ea340 | 939 | extern __u32 ext2fs_inode_bitmap_csum(ext2_filsys fs, dgrp_t group); |
e3854b3b JS |
940 | extern blk64_t ext2fs_inode_bitmap_loc(ext2_filsys fs, dgrp_t group); |
941 | extern void ext2fs_inode_bitmap_loc_set(ext2_filsys fs, dgrp_t group, | |
942 | blk64_t blk); | |
943 | extern blk64_t ext2fs_inode_table_loc(ext2_filsys fs, dgrp_t group); | |
944 | extern void ext2fs_inode_table_loc_set(ext2_filsys fs, dgrp_t group, | |
945 | blk64_t blk); | |
d62d218f | 946 | extern __u32 ext2fs_bg_free_blocks_count(ext2_filsys fs, dgrp_t group); |
e3854b3b | 947 | extern void ext2fs_bg_free_blocks_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
948 | __u32 n); |
949 | extern __u32 ext2fs_bg_free_inodes_count(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 950 | extern void ext2fs_bg_free_inodes_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
951 | __u32 n); |
952 | extern __u32 ext2fs_bg_used_dirs_count(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 953 | extern void ext2fs_bg_used_dirs_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
954 | __u32 n); |
955 | extern __u32 ext2fs_bg_itable_unused(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 956 | extern void ext2fs_bg_itable_unused_set(ext2_filsys fs, dgrp_t group, |
d62d218f | 957 | __u32 n); |
e3854b3b | 958 | extern __u16 ext2fs_bg_flags(ext2_filsys fs, dgrp_t group); |
e633b58a | 959 | extern void ext2fs_bg_flags_zap(ext2_filsys fs, dgrp_t group); |
cd65a24e | 960 | extern int ext2fs_bg_flags_test(ext2_filsys fs, dgrp_t group, __u16 bg_flag); |
e633b58a ES |
961 | extern void ext2fs_bg_flags_set(ext2_filsys fs, dgrp_t group, __u16 bg_flags); |
962 | extern void ext2fs_bg_flags_clear(ext2_filsys fs, dgrp_t group, __u16 bg_flags); | |
e3854b3b JS |
963 | extern __u16 ext2fs_bg_checksum(ext2_filsys fs, dgrp_t group); |
964 | extern void ext2fs_bg_checksum_set(ext2_filsys fs, dgrp_t group, __u16 checksum); | |
0c80c44b TT |
965 | extern blk64_t ext2fs_file_acl_block(ext2_filsys fs, |
966 | const struct ext2_inode *inode); | |
967 | extern void ext2fs_file_acl_block_set(ext2_filsys fs, | |
968 | struct ext2_inode *inode, blk64_t blk); | |
97c607b1 DW |
969 | extern errcode_t ext2fs_inode_size_set(ext2_filsys fs, struct ext2_inode *inode, |
970 | ext2_off64_t size); | |
3839e657 TT |
971 | |
972 | /* block.c */ | |
973 | extern errcode_t ext2fs_block_iterate(ext2_filsys fs, | |
31dbecd4 | 974 | ext2_ino_t ino, |
3839e657 TT |
975 | int flags, |
976 | char *block_buf, | |
977 | int (*func)(ext2_filsys fs, | |
978 | blk_t *blocknr, | |
979 | int blockcnt, | |
b5abe6fa TT |
980 | void *priv_data), |
981 | void *priv_data); | |
19c78dc0 | 982 | errcode_t ext2fs_block_iterate2(ext2_filsys fs, |
31dbecd4 | 983 | ext2_ino_t ino, |
674a4ee1 TT |
984 | int flags, |
985 | char *block_buf, | |
986 | int (*func)(ext2_filsys fs, | |
987 | blk_t *blocknr, | |
03673dbb | 988 | e2_blkcnt_t blockcnt, |
674a4ee1 TT |
989 | blk_t ref_blk, |
990 | int ref_offset, | |
991 | void *priv_data), | |
992 | void *priv_data); | |
272631e4 TT |
993 | errcode_t ext2fs_block_iterate3(ext2_filsys fs, |
994 | ext2_ino_t ino, | |
995 | int flags, | |
996 | char *block_buf, | |
997 | int (*func)(ext2_filsys fs, | |
998 | blk64_t *blocknr, | |
999 | e2_blkcnt_t blockcnt, | |
1000 | blk64_t ref_blk, | |
1001 | int ref_offset, | |
1002 | void *priv_data), | |
1003 | void *priv_data); | |
19c78dc0 | 1004 | |
30fab293 | 1005 | /* bmap.c */ |
31dbecd4 | 1006 | extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1007 | struct ext2_inode *inode, |
30fab293 TT |
1008 | char *block_buf, int bmap_flags, |
1009 | blk_t block, blk_t *phys_blk); | |
efc6f628 | 1010 | extern errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, |
cc9bf5d2 TT |
1011 | struct ext2_inode *inode, |
1012 | char *block_buf, int bmap_flags, blk64_t block, | |
1013 | int *ret_flags, blk64_t *phys_blk); | |
84397754 DW |
1014 | errcode_t ext2fs_map_cluster_block(ext2_filsys fs, ext2_ino_t ino, |
1015 | struct ext2_inode *inode, blk64_t lblk, | |
1016 | blk64_t *pblk); | |
30fab293 | 1017 | |
4a31c48b | 1018 | #if 0 |
1e1da29f TT |
1019 | /* bmove.c */ |
1020 | extern errcode_t ext2fs_move_blocks(ext2_filsys fs, | |
1021 | ext2fs_block_bitmap reserve, | |
9941fb73 | 1022 | ext2fs_block_bitmap alloc_map, |
1e1da29f | 1023 | int flags); |
4a31c48b | 1024 | #endif |
1e1da29f | 1025 | |
f3db3566 TT |
1026 | /* check_desc.c */ |
1027 | extern errcode_t ext2fs_check_desc(ext2_filsys fs); | |
1028 | ||
3839e657 TT |
1029 | /* closefs.c */ |
1030 | extern errcode_t ext2fs_close(ext2_filsys fs); | |
9d9a53e6 | 1031 | extern errcode_t ext2fs_close2(ext2_filsys fs, int flags); |
47fee2ef | 1032 | extern errcode_t ext2fs_close_free(ext2_filsys *fs); |
3839e657 | 1033 | extern errcode_t ext2fs_flush(ext2_filsys fs); |
9d9a53e6 | 1034 | extern errcode_t ext2fs_flush2(ext2_filsys fs, int flags); |
47183951 | 1035 | extern int ext2fs_bg_has_super(ext2_filsys fs, dgrp_t group_block); |
71300f35 JS |
1036 | extern errcode_t ext2fs_super_and_bgd_loc2(ext2_filsys fs, |
1037 | dgrp_t group, | |
1038 | blk64_t *ret_super_blk, | |
1039 | blk64_t *ret_old_desc_blk, | |
1040 | blk64_t *ret_new_desc_blk, | |
1041 | blk_t *ret_used_blks); | |
efc6f628 | 1042 | extern int ext2fs_super_and_bgd_loc(ext2_filsys fs, |
ef344e13 TT |
1043 | dgrp_t group, |
1044 | blk_t *ret_super_blk, | |
1045 | blk_t *ret_old_desc_blk, | |
1046 | blk_t *ret_new_desc_blk, | |
1047 | int *ret_meta_bg); | |
1b4cd9c7 | 1048 | extern void ext2fs_update_dynamic_rev(ext2_filsys fs); |
3839e657 | 1049 | |
db8bbf27 | 1050 | /* crc32c.c */ |
033c3384 | 1051 | extern __u32 ext2fs_crc32_be(__u32 crc, unsigned char const *p, size_t len); |
a7a63675 | 1052 | extern __u32 ext2fs_crc32c_le(__u32 crc, unsigned char const *p, size_t len); |
db8bbf27 | 1053 | |
ca2634a4 | 1054 | /* csum.c */ |
2ed0adbc | 1055 | extern void ext2fs_init_csum_seed(ext2_filsys fs); |
a9620d8b DW |
1056 | extern errcode_t ext2fs_mmp_csum_set(ext2_filsys fs, struct mmp_struct *mmp); |
1057 | extern int ext2fs_mmp_csum_verify(ext2_filsys, struct mmp_struct *mmp); | |
1eedf3e5 | 1058 | extern int ext2fs_verify_csum_type(ext2_filsys fs, struct ext2_super_block *sb); |
d4ca3e40 DW |
1059 | extern errcode_t ext2fs_superblock_csum_set(ext2_filsys fs, |
1060 | struct ext2_super_block *sb); | |
1061 | extern int ext2fs_superblock_csum_verify(ext2_filsys fs, | |
1062 | struct ext2_super_block *sb); | |
39f5659a DW |
1063 | extern errcode_t ext2fs_ext_attr_block_csum_set(ext2_filsys fs, |
1064 | ext2_ino_t inum, blk64_t block, | |
1065 | struct ext2_ext_attr_header *hdr); | |
1066 | extern int ext2fs_ext_attr_block_csum_verify(ext2_filsys fs, ext2_ino_t inum, | |
1067 | blk64_t block, | |
1068 | struct ext2_ext_attr_header *hdr); | |
81683c6a | 1069 | #define EXT2_DIRENT_TAIL(block, blocksize) \ |
894eaf85 | 1070 | ((struct ext2_dir_entry_tail *)(((char *)(block)) + \ |
81683c6a DW |
1071 | (blocksize) - sizeof(struct ext2_dir_entry_tail))) |
1072 | ||
1073 | extern void ext2fs_initialize_dirent_tail(ext2_filsys fs, | |
1074 | struct ext2_dir_entry_tail *t); | |
1075 | extern int ext2fs_dirent_has_tail(ext2_filsys fs, | |
1076 | struct ext2_dir_entry *dirent); | |
894eaf85 TT |
1077 | extern int ext2fs_dirent_csum_verify(ext2_filsys fs, ext2_ino_t inum, |
1078 | struct ext2_dir_entry *dirent); | |
81683c6a DW |
1079 | extern int ext2fs_dir_block_csum_verify(ext2_filsys fs, ext2_ino_t inum, |
1080 | struct ext2_dir_entry *dirent); | |
1081 | extern errcode_t ext2fs_dir_block_csum_set(ext2_filsys fs, ext2_ino_t inum, | |
1082 | struct ext2_dir_entry *dirent); | |
dc96de09 DW |
1083 | extern errcode_t ext2fs_get_dx_countlimit(ext2_filsys fs, |
1084 | struct ext2_dir_entry *dirent, | |
1085 | struct ext2_dx_countlimit **cc, | |
1086 | int *offset); | |
c73eb706 TT |
1087 | extern errcode_t ext2fs_dx_csum(ext2_filsys fs, ext2_ino_t inum, |
1088 | struct ext2_dir_entry *dirent, | |
1089 | __u32 *crc, struct ext2_dx_tail **ret_t); | |
41275efe DW |
1090 | extern errcode_t ext2fs_extent_block_csum_set(ext2_filsys fs, |
1091 | ext2_ino_t inum, | |
1092 | struct ext3_extent_header *eh); | |
1093 | extern int ext2fs_extent_block_csum_verify(ext2_filsys fs, | |
1094 | ext2_ino_t inum, | |
1095 | struct ext3_extent_header *eh); | |
e7dc95c6 DW |
1096 | extern errcode_t ext2fs_block_bitmap_csum_set(ext2_filsys fs, dgrp_t group, |
1097 | char *bitmap, int size); | |
1098 | extern int ext2fs_block_bitmap_csum_verify(ext2_filsys fs, dgrp_t group, | |
1099 | char *bitmap, int size); | |
a80ea340 DW |
1100 | extern errcode_t ext2fs_inode_bitmap_csum_set(ext2_filsys fs, dgrp_t group, |
1101 | char *bitmap, int size); | |
1102 | extern int ext2fs_inode_bitmap_csum_verify(ext2_filsys fs, dgrp_t group, | |
1103 | char *bitmap, int size); | |
37d82b6a DW |
1104 | extern errcode_t ext2fs_inode_csum_set(ext2_filsys fs, ext2_ino_t inum, |
1105 | struct ext2_inode_large *inode); | |
1106 | extern int ext2fs_inode_csum_verify(ext2_filsys fs, ext2_ino_t inum, | |
1107 | struct ext2_inode_large *inode); | |
ca2634a4 JS |
1108 | extern void ext2fs_group_desc_csum_set(ext2_filsys fs, dgrp_t group); |
1109 | extern int ext2fs_group_desc_csum_verify(ext2_filsys fs, dgrp_t group); | |
f628acea | 1110 | extern errcode_t ext2fs_set_gdt_csum(ext2_filsys fs); |
87141781 | 1111 | extern __u16 ext2fs_group_desc_csum(ext2_filsys fs, dgrp_t group); |
ca2634a4 | 1112 | |
19c78dc0 | 1113 | /* dblist.c */ |
a29f4d30 | 1114 | extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist); |
31dbecd4 | 1115 | extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 1116 | blk_t blk, int blockcnt); |
ab13b5a9 TT |
1117 | extern errcode_t ext2fs_add_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
1118 | blk64_t blk, e2_blkcnt_t blockcnt); | |
ea1959f0 TT |
1119 | extern void ext2fs_dblist_sort(ext2_dblist dblist, |
1120 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
1121 | const void *)); | |
ab13b5a9 TT |
1122 | extern void ext2fs_dblist_sort2(ext2_dblist dblist, |
1123 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
1124 | const void *)); | |
a29f4d30 TT |
1125 | extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist, |
1126 | int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info, | |
b5abe6fa | 1127 | void *priv_data), |
79614b27 | 1128 | void *priv_data); |
ab13b5a9 TT |
1129 | extern errcode_t ext2fs_dblist_iterate2(ext2_dblist dblist, |
1130 | int (*func)(ext2_filsys fs, struct ext2_db_entry2 *db_info, | |
1131 | void *priv_data), | |
79614b27 DW |
1132 | void *priv_data); |
1133 | extern errcode_t ext2fs_dblist_iterate3(ext2_dblist dblist, | |
1134 | int (*func)(ext2_filsys fs, struct ext2_db_entry2 *db_info, | |
1135 | void *priv_data), | |
1136 | unsigned long long start, | |
1137 | unsigned long long count, | |
1138 | void *priv_data); | |
31dbecd4 | 1139 | extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 1140 | blk_t blk, int blockcnt); |
ab13b5a9 TT |
1141 | extern errcode_t ext2fs_set_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
1142 | blk64_t blk, e2_blkcnt_t blockcnt); | |
a29f4d30 TT |
1143 | extern errcode_t ext2fs_copy_dblist(ext2_dblist src, |
1144 | ext2_dblist *dest); | |
549860c5 | 1145 | extern int ext2fs_dblist_count(ext2_dblist dblist); |
ab13b5a9 | 1146 | extern blk64_t ext2fs_dblist_count2(ext2_dblist dblist); |
efc6f628 | 1147 | extern errcode_t ext2fs_dblist_get_last(ext2_dblist dblist, |
52b1dd5e | 1148 | struct ext2_db_entry **entry); |
ab13b5a9 TT |
1149 | extern errcode_t ext2fs_dblist_get_last2(ext2_dblist dblist, |
1150 | struct ext2_db_entry2 **entry); | |
52b1dd5e | 1151 | extern errcode_t ext2fs_dblist_drop_last(ext2_dblist dblist); |
19c78dc0 TT |
1152 | |
1153 | /* dblist_dir.c */ | |
1154 | extern errcode_t | |
1155 | ext2fs_dblist_dir_iterate(ext2_dblist dblist, | |
1156 | int flags, | |
1157 | char *block_buf, | |
31dbecd4 | 1158 | int (*func)(ext2_ino_t dir, |
19c78dc0 TT |
1159 | int entry, |
1160 | struct ext2_dir_entry *dirent, | |
1161 | int offset, | |
1162 | int blocksize, | |
1163 | char *buf, | |
b5abe6fa TT |
1164 | void *priv_data), |
1165 | void *priv_data); | |
50e1e10f | 1166 | |
437651ad | 1167 | #if 0 |
bf34b4af TT |
1168 | /* digest_encode.c */ |
1169 | #define EXT2FS_DIGEST_SIZE EXT2FS_SHA256_LENGTH | |
437651ad TT |
1170 | extern int ext2fs_digest_encode(const char *src, int len, char *dst); |
1171 | extern int ext2fs_digest_decode(const char *src, int len, char *dst); | |
1172 | #endif | |
bf34b4af | 1173 | |
50e1e10f TT |
1174 | /* dirblock.c */ |
1175 | extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block, | |
1176 | void *buf); | |
f9190c8a TT |
1177 | extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block, |
1178 | void *buf, int flags); | |
57e2467d JS |
1179 | extern errcode_t ext2fs_read_dir_block3(ext2_filsys fs, blk64_t block, |
1180 | void *buf, int flags); | |
81683c6a DW |
1181 | extern errcode_t ext2fs_read_dir_block4(ext2_filsys fs, blk64_t block, |
1182 | void *buf, int flags, ext2_ino_t ino); | |
50e1e10f TT |
1183 | extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block, |
1184 | void *buf); | |
f9190c8a TT |
1185 | extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block, |
1186 | void *buf, int flags); | |
57e2467d JS |
1187 | extern errcode_t ext2fs_write_dir_block3(ext2_filsys fs, blk64_t block, |
1188 | void *buf, int flags); | |
81683c6a DW |
1189 | extern errcode_t ext2fs_write_dir_block4(ext2_filsys fs, blk64_t block, |
1190 | void *buf, int flags, ext2_ino_t ino); | |
50e1e10f | 1191 | |
52783e0c TT |
1192 | /* dirhash.c */ |
1193 | extern errcode_t ext2fs_dirhash(int version, const char *name, int len, | |
b33278c4 | 1194 | const __u32 *seed, |
503f9e7f TT |
1195 | ext2_dirhash_t *ret_hash, |
1196 | ext2_dirhash_t *ret_minor_hash); | |
52783e0c | 1197 | |
28b44ef0 | 1198 | extern errcode_t ext2fs_dirhash2(int version, const char *name, int len, |
388e1d56 | 1199 | const struct ext2fs_nls_table *charset, |
28b44ef0 GKB |
1200 | int hash_flags, |
1201 | const __u32 *seed, | |
1202 | ext2_dirhash_t *ret_hash, | |
1203 | ext2_dirhash_t *ret_minor_hash); | |
52783e0c | 1204 | |
19c78dc0 | 1205 | /* dir_iterate.c */ |
8a480350 TT |
1206 | extern errcode_t ext2fs_get_rec_len(ext2_filsys fs, |
1207 | struct ext2_dir_entry *dirent, | |
1208 | unsigned int *rec_len); | |
1209 | extern errcode_t ext2fs_set_rec_len(ext2_filsys fs, | |
1210 | unsigned int len, | |
1211 | struct ext2_dir_entry *dirent); | |
efc6f628 | 1212 | extern errcode_t ext2fs_dir_iterate(ext2_filsys fs, |
31dbecd4 | 1213 | ext2_ino_t dir, |
19c78dc0 TT |
1214 | int flags, |
1215 | char *block_buf, | |
1216 | int (*func)(struct ext2_dir_entry *dirent, | |
1217 | int offset, | |
1218 | int blocksize, | |
1219 | char *buf, | |
b5abe6fa TT |
1220 | void *priv_data), |
1221 | void *priv_data); | |
efc6f628 | 1222 | extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs, |
8bd0c959 TT |
1223 | ext2_ino_t dir, |
1224 | int flags, | |
1225 | char *block_buf, | |
1226 | int (*func)(ext2_ino_t dir, | |
1227 | int entry, | |
1228 | struct ext2_dir_entry *dirent, | |
1229 | int offset, | |
1230 | int blocksize, | |
1231 | char *buf, | |
1232 | void *priv_data), | |
1233 | void *priv_data); | |
19c78dc0 | 1234 | |
a29f4d30 TT |
1235 | /* dupfs.c */ |
1236 | extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest); | |
19c78dc0 | 1237 | |
3839e657 | 1238 | /* expanddir.c */ |
31dbecd4 | 1239 | extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir); |
3839e657 | 1240 | |
342d847d | 1241 | /* ext_attr.c */ |
fefaef39 AD |
1242 | extern __u32 ext2fs_ext_attr_hash_entry(struct ext2_ext_attr_entry *entry, |
1243 | void *data); | |
2477e163 TE |
1244 | extern errcode_t ext2fs_ext_attr_hash_entry2(ext2_filsys fs, |
1245 | struct ext2_ext_attr_entry *entry, | |
1246 | void *data, __u32 *hash); | |
342d847d | 1247 | extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf); |
b91f14b8 JS |
1248 | extern errcode_t ext2fs_read_ext_attr2(ext2_filsys fs, blk64_t block, |
1249 | void *buf); | |
39f5659a DW |
1250 | extern errcode_t ext2fs_read_ext_attr3(ext2_filsys fs, blk64_t block, |
1251 | void *buf, ext2_ino_t inum); | |
0684a4f3 TT |
1252 | extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, |
1253 | void *buf); | |
b91f14b8 JS |
1254 | extern errcode_t ext2fs_write_ext_attr2(ext2_filsys fs, blk64_t block, |
1255 | void *buf); | |
39f5659a DW |
1256 | extern errcode_t ext2fs_write_ext_attr3(ext2_filsys fs, blk64_t block, |
1257 | void *buf, ext2_ino_t inum); | |
0684a4f3 TT |
1258 | extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk, |
1259 | char *block_buf, | |
1260 | int adjust, __u32 *newcount); | |
b91f14b8 JS |
1261 | extern errcode_t ext2fs_adjust_ea_refcount2(ext2_filsys fs, blk64_t blk, |
1262 | char *block_buf, | |
1263 | int adjust, __u32 *newcount); | |
39f5659a DW |
1264 | extern errcode_t ext2fs_adjust_ea_refcount3(ext2_filsys fs, blk64_t blk, |
1265 | char *block_buf, | |
1266 | int adjust, __u32 *newcount, | |
1267 | ext2_ino_t inum); | |
2077c208 DW |
1268 | errcode_t ext2fs_xattrs_write(struct ext2_xattr_handle *handle); |
1269 | errcode_t ext2fs_xattrs_read(struct ext2_xattr_handle *handle); | |
1270 | errcode_t ext2fs_xattrs_iterate(struct ext2_xattr_handle *h, | |
1271 | int (*func)(char *name, char *value, | |
68515695 | 1272 | size_t value_len, void *data), |
2077c208 DW |
1273 | void *data); |
1274 | errcode_t ext2fs_xattr_get(struct ext2_xattr_handle *h, const char *key, | |
68515695 | 1275 | void **value, size_t *value_len); |
2077c208 DW |
1276 | errcode_t ext2fs_xattr_set(struct ext2_xattr_handle *handle, |
1277 | const char *key, | |
1278 | const void *value, | |
68515695 | 1279 | size_t value_len); |
2077c208 DW |
1280 | errcode_t ext2fs_xattr_remove(struct ext2_xattr_handle *handle, |
1281 | const char *key); | |
1282 | errcode_t ext2fs_xattrs_open(ext2_filsys fs, ext2_ino_t ino, | |
1283 | struct ext2_xattr_handle **handle); | |
1284 | errcode_t ext2fs_xattrs_close(struct ext2_xattr_handle **handle); | |
1285 | errcode_t ext2fs_free_ext_attr(ext2_filsys fs, ext2_ino_t ino, | |
1286 | struct ext2_inode_large *inode); | |
2ddcee17 | 1287 | errcode_t ext2fs_xattrs_count(struct ext2_xattr_handle *handle, size_t *count); |
54e880b8 ZL |
1288 | errcode_t ext2fs_xattr_inode_max_size(ext2_filsys fs, ext2_ino_t ino, |
1289 | size_t *size); | |
0ee1eaf7 TT |
1290 | #define XATTR_HANDLE_FLAG_RAW 0x0001 |
1291 | errcode_t ext2fs_xattrs_flags(struct ext2_xattr_handle *handle, | |
1292 | unsigned int *new_flags, unsigned int *old_flags); | |
216d6b76 TE |
1293 | extern void ext2fs_ext_attr_block_rehash(struct ext2_ext_attr_header *header, |
1294 | struct ext2_ext_attr_entry *end); | |
1295 | extern __u32 ext2fs_get_ea_inode_hash(struct ext2_inode *inode); | |
1296 | extern void ext2fs_set_ea_inode_hash(struct ext2_inode *inode, __u32 hash); | |
50d0998c TE |
1297 | extern __u64 ext2fs_get_ea_inode_ref(struct ext2_inode *inode); |
1298 | extern void ext2fs_set_ea_inode_ref(struct ext2_inode *inode, __u64 ref_count); | |
0684a4f3 | 1299 | |
3eb07f64 TT |
1300 | /* extent.c */ |
1301 | extern errcode_t ext2fs_extent_header_verify(void *ptr, int size); | |
1302 | extern errcode_t ext2fs_extent_open(ext2_filsys fs, ext2_ino_t ino, | |
1303 | ext2_extent_handle_t *handle); | |
84b239ae | 1304 | extern errcode_t ext2fs_extent_open2(ext2_filsys fs, ext2_ino_t ino, |
1305 | struct ext2_inode *inode, | |
1306 | ext2_extent_handle_t *ret_handle); | |
2d328bb7 | 1307 | extern void ext2fs_extent_free(ext2_extent_handle_t handle); |
3eb07f64 TT |
1308 | extern errcode_t ext2fs_extent_get(ext2_extent_handle_t handle, |
1309 | int flags, struct ext2fs_extent *extent); | |
bee7b67c | 1310 | extern errcode_t ext2fs_extent_node_split(ext2_extent_handle_t handle); |
3eb07f64 TT |
1311 | extern errcode_t ext2fs_extent_replace(ext2_extent_handle_t handle, int flags, |
1312 | struct ext2fs_extent *extent); | |
1313 | extern errcode_t ext2fs_extent_insert(ext2_extent_handle_t handle, int flags, | |
1314 | struct ext2fs_extent *extent); | |
f4e9963c ES |
1315 | extern errcode_t ext2fs_extent_set_bmap(ext2_extent_handle_t handle, |
1316 | blk64_t logical, blk64_t physical, | |
1317 | int flags); | |
3eb07f64 TT |
1318 | extern errcode_t ext2fs_extent_delete(ext2_extent_handle_t handle, int flags); |
1319 | extern errcode_t ext2fs_extent_get_info(ext2_extent_handle_t handle, | |
1320 | struct ext2_extent_info *info); | |
1321 | extern errcode_t ext2fs_extent_goto(ext2_extent_handle_t handle, | |
1322 | blk64_t blk); | |
bee7b67c TT |
1323 | extern errcode_t ext2fs_extent_goto2(ext2_extent_handle_t handle, |
1324 | int leaf_level, blk64_t blk); | |
789bd401 | 1325 | extern errcode_t ext2fs_extent_fix_parents(ext2_extent_handle_t handle); |
ae9c0f36 TT |
1326 | extern size_t ext2fs_max_extent_depth(ext2_extent_handle_t handle); |
1327 | extern errcode_t ext2fs_fix_extents_checksums(ext2_filsys fs, ext2_ino_t ino, | |
1328 | struct ext2_inode *inode); | |
3eb07f64 | 1329 | |
5aad5b8e DW |
1330 | /* fallocate.c */ |
1331 | #define EXT2_FALLOCATE_ZERO_BLOCKS (0x1) | |
1332 | #define EXT2_FALLOCATE_FORCE_INIT (0x2) | |
1333 | #define EXT2_FALLOCATE_FORCE_UNINIT (0x4) | |
1334 | #define EXT2_FALLOCATE_INIT_BEYOND_EOF (0x8) | |
1335 | #define EXT2_FALLOCATE_ALL_FLAGS (0xF) | |
1336 | errcode_t ext2fs_fallocate(ext2_filsys fs, int flags, ext2_ino_t ino, | |
1337 | struct ext2_inode *inode, blk64_t goal, | |
1338 | blk64_t start, blk64_t len); | |
1339 | ||
30fab293 | 1340 | /* fileio.c */ |
a435ec34 TT |
1341 | extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino, |
1342 | struct ext2_inode *inode, | |
1343 | int flags, ext2_file_t *ret); | |
31dbecd4 | 1344 | extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino, |
30fab293 | 1345 | int flags, ext2_file_t *ret); |
79a90bda | 1346 | extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file); |
6dc058bd | 1347 | struct ext2_inode *ext2fs_file_get_inode(ext2_file_t file); |
3ae682bb | 1348 | extern ext2_ino_t ext2fs_file_get_inode_num(ext2_file_t file); |
30fab293 | 1349 | extern errcode_t ext2fs_file_close(ext2_file_t file); |
f12e285f | 1350 | extern errcode_t ext2fs_file_flush(ext2_file_t file); |
30fab293 | 1351 | extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf, |
79a90bda | 1352 | unsigned int wanted, unsigned int *got); |
f12e285f | 1353 | extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf, |
79a90bda | 1354 | unsigned int nbytes, unsigned int *written); |
819157db TT |
1355 | extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset, |
1356 | int whence, __u64 *ret_pos); | |
674a4ee1 TT |
1357 | extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset, |
1358 | int whence, ext2_off_t *ret_pos); | |
819157db | 1359 | errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size); |
79a90bda TT |
1360 | extern ext2_off_t ext2fs_file_get_size(ext2_file_t file); |
1361 | extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size); | |
27a0e958 | 1362 | extern errcode_t ext2fs_file_set_size2(ext2_file_t file, ext2_off64_t size); |
30fab293 | 1363 | |
de23aa1d TT |
1364 | /* finddev.c */ |
1365 | extern char *ext2fs_find_block_device(dev_t device); | |
1366 | ||
4d0f3e17 TT |
1367 | /* flushb.c */ |
1368 | extern errcode_t ext2fs_sync_device(int fd, int flushb); | |
1369 | ||
3839e657 TT |
1370 | /* freefs.c */ |
1371 | extern void ext2fs_free(ext2_filsys fs); | |
a29f4d30 | 1372 | extern void ext2fs_free_dblist(ext2_dblist dblist); |
b7a00563 TT |
1373 | extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb); |
1374 | extern void ext2fs_u32_list_free(ext2_u32_list bb); | |
50e1e10f | 1375 | |
a0553c9d TT |
1376 | /* gen_bitmap.c */ |
1377 | extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap); | |
efc6f628 TT |
1378 | extern errcode_t ext2fs_make_generic_bitmap(errcode_t magic, ext2_filsys fs, |
1379 | __u32 start, __u32 end, | |
a0553c9d TT |
1380 | __u32 real_end, |
1381 | const char *descr, char *init_map, | |
1382 | ext2fs_generic_bitmap *ret); | |
1383 | extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start, | |
1384 | __u32 end, | |
1385 | __u32 real_end, | |
1386 | const char *descr, | |
1387 | ext2fs_generic_bitmap *ret); | |
1388 | extern errcode_t ext2fs_copy_generic_bitmap(ext2fs_generic_bitmap src, | |
1389 | ext2fs_generic_bitmap *dest); | |
1390 | extern void ext2fs_clear_generic_bitmap(ext2fs_generic_bitmap bitmap); | |
1391 | extern errcode_t ext2fs_fudge_generic_bitmap_end(ext2fs_inode_bitmap bitmap, | |
efc6f628 | 1392 | errcode_t magic, |
a0553c9d | 1393 | errcode_t neq, |
efc6f628 | 1394 | ext2_ino_t end, |
a0553c9d TT |
1395 | ext2_ino_t *oend); |
1396 | extern void ext2fs_set_generic_bitmap_padding(ext2fs_generic_bitmap map); | |
50448d3d TT |
1397 | extern errcode_t ext2fs_resize_generic_bitmap(errcode_t magic, |
1398 | __u32 new_end, | |
1399 | __u32 new_real_end, | |
1400 | ext2fs_generic_bitmap bmap); | |
1401 | extern errcode_t ext2fs_compare_generic_bitmap(errcode_t magic, errcode_t neq, | |
1402 | ext2fs_generic_bitmap bm1, | |
1403 | ext2fs_generic_bitmap bm2); | |
f1f115a7 TT |
1404 | extern errcode_t ext2fs_get_generic_bitmap_range(ext2fs_generic_bitmap bmap, |
1405 | errcode_t magic, | |
1406 | __u32 start, __u32 num, | |
1407 | void *out); | |
1408 | extern errcode_t ext2fs_set_generic_bitmap_range(ext2fs_generic_bitmap bmap, | |
1409 | errcode_t magic, | |
1410 | __u32 start, __u32 num, | |
1411 | void *in); | |
664c3326 TT |
1412 | extern errcode_t ext2fs_find_first_zero_generic_bitmap(ext2fs_generic_bitmap bitmap, |
1413 | __u32 start, __u32 end, | |
1414 | __u32 *out); | |
dff0b6a3 TT |
1415 | extern errcode_t ext2fs_find_first_set_generic_bitmap(ext2fs_generic_bitmap bitmap, |
1416 | __u32 start, __u32 end, | |
1417 | __u32 *out); | |
a0553c9d | 1418 | |
8f82ef98 VAH |
1419 | /* gen_bitmap64.c */ |
1420 | void ext2fs_free_generic_bmap(ext2fs_generic_bitmap bmap); | |
1421 | errcode_t ext2fs_alloc_generic_bmap(ext2_filsys fs, errcode_t magic, | |
1422 | int type, __u64 start, __u64 end, | |
1423 | __u64 real_end, | |
1424 | const char *descr, | |
1425 | ext2fs_generic_bitmap *ret); | |
1426 | errcode_t ext2fs_copy_generic_bmap(ext2fs_generic_bitmap src, | |
1427 | ext2fs_generic_bitmap *dest); | |
1428 | void ext2fs_clear_generic_bmap(ext2fs_generic_bitmap bitmap); | |
1429 | errcode_t ext2fs_fudge_generic_bmap_end(ext2fs_generic_bitmap bitmap, | |
1430 | errcode_t neq, | |
1431 | __u64 end, __u64 *oend); | |
1432 | void ext2fs_set_generic_bmap_padding(ext2fs_generic_bitmap bmap); | |
1433 | errcode_t ext2fs_resize_generic_bmap(ext2fs_generic_bitmap bmap, | |
1434 | __u64 new_end, | |
1435 | __u64 new_real_end); | |
1436 | errcode_t ext2fs_compare_generic_bmap(errcode_t neq, | |
1437 | ext2fs_generic_bitmap bm1, | |
1438 | ext2fs_generic_bitmap bm2); | |
1439 | errcode_t ext2fs_get_generic_bmap_range(ext2fs_generic_bitmap bmap, | |
1440 | __u64 start, unsigned int num, | |
1441 | void *out); | |
1442 | errcode_t ext2fs_set_generic_bmap_range(ext2fs_generic_bitmap bmap, | |
1443 | __u64 start, unsigned int num, | |
1444 | void *in); | |
94968e74 TT |
1445 | errcode_t ext2fs_convert_subcluster_bitmap(ext2_filsys fs, |
1446 | ext2fs_block_bitmap *bitmap); | |
59037c53 LD |
1447 | errcode_t ext2fs_count_used_clusters(ext2_filsys fs, blk64_t start, |
1448 | blk64_t end, blk64_t *out); | |
8f82ef98 | 1449 | |
bc0b1a89 TT |
1450 | /* get_num_dirs.c */ |
1451 | extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs); | |
1452 | ||
50e1e10f TT |
1453 | /* getsize.c */ |
1454 | extern errcode_t ext2fs_get_device_size(const char *file, int blocksize, | |
1455 | blk_t *retblocks); | |
beab8de4 JS |
1456 | extern errcode_t ext2fs_get_device_size2(const char *file, int blocksize, |
1457 | blk64_t *retblocks); | |
3839e657 | 1458 | |
93d5c387 | 1459 | /* getsectsize.c */ |
dd0a2679 | 1460 | extern int ext2fs_get_dio_alignment(int fd); |
93d5c387 | 1461 | errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize); |
bb1158b9 | 1462 | errcode_t ext2fs_get_device_phys_sectsize(const char *file, int *sectsize); |
93d5c387 | 1463 | |
1ca1059f TT |
1464 | /* i_block.c */ |
1465 | errcode_t ext2fs_iblk_add_blocks(ext2_filsys fs, struct ext2_inode *inode, | |
1466 | blk64_t num_blocks); | |
1467 | errcode_t ext2fs_iblk_sub_blocks(ext2_filsys fs, struct ext2_inode *inode, | |
1468 | blk64_t num_blocks); | |
1469 | errcode_t ext2fs_iblk_set(ext2_filsys fs, struct ext2_inode *inode, blk64_t b); | |
1470 | ||
72ed1264 TT |
1471 | /* imager.c */ |
1472 | extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags); | |
1473 | extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags); | |
1474 | extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags); | |
1475 | extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags); | |
1476 | extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags); | |
1477 | extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags); | |
1478 | ||
dc8ce346 TT |
1479 | /* ind_block.c */ |
1480 | errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf); | |
1481 | errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf); | |
1482 | ||
3839e657 TT |
1483 | /* initialize.c */ |
1484 | extern errcode_t ext2fs_initialize(const char *name, int flags, | |
1485 | struct ext2_super_block *param, | |
1486 | io_manager manager, ext2_filsys *ret_fs); | |
1487 | ||
f12e285f TT |
1488 | /* icount.c */ |
1489 | extern void ext2fs_free_icount(ext2_icount_t icount); | |
1b9d8cb7 TT |
1490 | extern errcode_t ext2fs_create_icount_tdb(ext2_filsys fs, char *tdb_dir, |
1491 | int flags, ext2_icount_t *ret); | |
efc6f628 | 1492 | extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags, |
54434927 | 1493 | unsigned int size, |
f12e285f | 1494 | ext2_icount_t hint, ext2_icount_t *ret); |
efc6f628 | 1495 | extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags, |
54434927 | 1496 | unsigned int size, |
f12e285f TT |
1497 | ext2_icount_t *ret); |
1498 | extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino, | |
1499 | __u16 *ret); | |
1500 | extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino, | |
1501 | __u16 *ret); | |
1502 | extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino, | |
1503 | __u16 *ret); | |
1504 | extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino, | |
1505 | __u16 count); | |
1506 | extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount); | |
1507 | errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *); | |
1508 | ||
ab3f5c5a TT |
1509 | /* inline.c */ |
1510 | ||
1511 | extern errcode_t ext2fs_get_memalign(unsigned long size, | |
1512 | unsigned long align, void *ptr); | |
1513 | ||
24997f1c DW |
1514 | /* inline_data.c */ |
1515 | extern errcode_t ext2fs_inline_data_init(ext2_filsys fs, ext2_ino_t ino); | |
1516 | extern errcode_t ext2fs_inline_data_size(ext2_filsys fs, ext2_ino_t ino, | |
1517 | size_t *size); | |
1518 | extern errcode_t ext2fs_inline_data_get(ext2_filsys fs, ext2_ino_t ino, | |
1519 | struct ext2_inode *inode, | |
1520 | void *buf, size_t *size); | |
1521 | extern errcode_t ext2fs_inline_data_set(ext2_filsys fs, ext2_ino_t ino, | |
1522 | struct ext2_inode *inode, | |
1523 | void *buf, size_t size); | |
1524 | ||
3839e657 | 1525 | /* inode.c */ |
be31a8de ZL |
1526 | extern errcode_t ext2fs_create_inode_cache(ext2_filsys fs, |
1527 | unsigned int cache_size); | |
603e5ebc | 1528 | extern void ext2fs_free_inode_cache(struct ext2_inode_cache *icache); |
72ed1264 | 1529 | extern errcode_t ext2fs_flush_icache(ext2_filsys fs); |
efc6f628 | 1530 | extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan, |
7331196a | 1531 | ext2_ino_t *ino, |
efc6f628 | 1532 | struct ext2_inode *inode, |
7331196a | 1533 | int bufsize); |
a5abfe03 | 1534 | #define EXT2_INODE_SCAN_DEFAULT_BUFFER_BLOCKS 8 |
3839e657 TT |
1535 | extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, |
1536 | ext2_inode_scan *ret_scan); | |
1537 | extern void ext2fs_close_inode_scan(ext2_inode_scan scan); | |
31dbecd4 | 1538 | extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, |
3839e657 | 1539 | struct ext2_inode *inode); |
19c78dc0 TT |
1540 | extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, |
1541 | int group); | |
1542 | extern void ext2fs_set_inode_callback | |
1543 | (ext2_inode_scan scan, | |
1544 | errcode_t (*done_group)(ext2_filsys fs, | |
1545 | ext2_inode_scan scan, | |
1546 | dgrp_t group, | |
b5abe6fa | 1547 | void * priv_data), |
19c78dc0 TT |
1548 | void *done_group_data); |
1549 | extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, | |
1550 | int clear_flags); | |
7331196a | 1551 | extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1552 | struct ext2_inode * inode, |
7331196a | 1553 | int bufsize); |
3f69836a | 1554 | extern errcode_t ext2fs_read_inode(ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 1555 | struct ext2_inode * inode); |
3f69836a TT |
1556 | extern errcode_t ext2fs_read_inode2(ext2_filsys fs, ext2_ino_t ino, |
1557 | struct ext2_inode * inode, | |
1558 | int bufsize, int flags); | |
7331196a | 1559 | extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1560 | struct ext2_inode * inode, |
7331196a | 1561 | int bufsize); |
31dbecd4 | 1562 | extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 1563 | struct ext2_inode * inode); |
3f69836a TT |
1564 | extern errcode_t ext2fs_write_inode2(ext2_filsys fs, ext2_ino_t ino, |
1565 | struct ext2_inode * inode, | |
1566 | int bufsize, int flags); | |
030970ed TT |
1567 | extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino, |
1568 | struct ext2_inode * inode); | |
31dbecd4 TT |
1569 | extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
1570 | extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 1571 | |
f12e285f TT |
1572 | /* inode_io.c */ |
1573 | extern io_manager inode_io_manager; | |
efc6f628 | 1574 | extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino, |
546a1ff1 | 1575 | char **name); |
a435ec34 TT |
1576 | extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino, |
1577 | struct ext2_inode *inode, | |
1578 | char **name); | |
efc6f628 | 1579 | |
50e1e10f TT |
1580 | /* ismounted.c */ |
1581 | extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags); | |
43ec8734 TT |
1582 | extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags, |
1583 | char *mtpt, int mtlen); | |
50e1e10f | 1584 | |
3adb9374 | 1585 | /* punch.c */ |
4ee4ad80 DW |
1586 | /* |
1587 | * NOTE: This function removes from an inode the blocks "start", "end", and | |
1588 | * every block in between. | |
1589 | */ | |
3adb9374 TT |
1590 | extern errcode_t ext2fs_punch(ext2_filsys fs, ext2_ino_t ino, |
1591 | struct ext2_inode *inode, | |
1592 | char *block_buf, blk64_t start, | |
1593 | blk64_t end); | |
1594 | ||
3839e657 | 1595 | /* namei.c */ |
31dbecd4 TT |
1596 | extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name, |
1597 | int namelen, char *buf, ext2_ino_t *inode); | |
1598 | extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1599 | const char *name, ext2_ino_t *inode); | |
1600 | errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1601 | const char *name, ext2_ino_t *inode); | |
1602 | extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1603 | ext2_ino_t inode, ext2_ino_t *res_inode); | |
1e3472c5 TT |
1604 | |
1605 | /* native.c */ | |
1606 | int ext2fs_native_flag(void); | |
3839e657 TT |
1607 | |
1608 | /* newdir.c */ | |
31dbecd4 TT |
1609 | extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino, |
1610 | ext2_ino_t parent_ino, char **block); | |
82e77d07 ZL |
1611 | extern errcode_t ext2fs_new_dir_inline_data(ext2_filsys fs, ext2_ino_t dir_ino, |
1612 | ext2_ino_t parent_ino, __u32 *iblock); | |
3839e657 | 1613 | |
388e1d56 TT |
1614 | /* nls_utf8.c */ |
1615 | extern const struct ext2fs_nls_table *ext2fs_load_nls_table(int encoding); | |
1616 | ||
3839e657 | 1617 | /* mkdir.c */ |
31dbecd4 | 1618 | extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, |
3839e657 TT |
1619 | const char *name); |
1620 | ||
d3cd93ca | 1621 | /* mkjournal.c */ |
c8608504 TT |
1622 | extern errcode_t ext2fs_zero_blocks(ext2_filsys fs, blk_t blk, int num, |
1623 | blk_t *ret_blk, int *ret_count); | |
73d0c4cc | 1624 | extern errcode_t ext2fs_zero_blocks2(ext2_filsys fs, blk64_t blk, int num, |
931b58e1 | 1625 | blk64_t *ret_blk, int *ret_count); |
a112847b | 1626 | extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs, |
931b58e1 | 1627 | __u32 num_blocks, int flags, |
a112847b TT |
1628 | char **ret_jsb); |
1629 | extern errcode_t ext2fs_add_journal_device(ext2_filsys fs, | |
1630 | ext2_filsys journal_dev); | |
931b58e1 | 1631 | extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t num_blocks, |
31a17b36 | 1632 | int flags); |
0fe6e3ae TT |
1633 | extern errcode_t ext2fs_add_journal_inode2(ext2_filsys fs, blk_t num_blocks, |
1634 | blk64_t goal, int flags); | |
931b58e1 | 1635 | extern int ext2fs_default_journal_size(__u64 num_blocks); |
7f33024a | 1636 | extern int ext2fs_journal_sb_start(int blocksize); |
d3cd93ca | 1637 | |
3839e657 TT |
1638 | /* openfs.c */ |
1639 | extern errcode_t ext2fs_open(const char *name, int flags, int superblock, | |
54434927 | 1640 | unsigned int block_size, io_manager manager, |
3839e657 | 1641 | ext2_filsys *ret_fs); |
efc6f628 TT |
1642 | extern errcode_t ext2fs_open2(const char *name, const char *io_options, |
1643 | int flags, int superblock, | |
2e8ca9a2 TT |
1644 | unsigned int block_size, io_manager manager, |
1645 | ext2_filsys *ret_fs); | |
d36b957b DW |
1646 | /* |
1647 | * The dgrp_t argument to these two functions is not actually a group number | |
1648 | * but a block number offset within a group table! Convert with the formula | |
1649 | * (group_number / groups_per_block). | |
1650 | */ | |
4f8d6ab2 JS |
1651 | extern blk64_t ext2fs_descriptor_block_loc2(ext2_filsys fs, |
1652 | blk64_t group_block, dgrp_t i); | |
efc6f628 | 1653 | extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, |
c046ac7f | 1654 | dgrp_t i); |
1ad54a94 TT |
1655 | errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io); |
1656 | errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io); | |
1657 | errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io); | |
3839e657 TT |
1658 | |
1659 | /* get_pathname.c */ | |
31dbecd4 | 1660 | extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, |
3839e657 TT |
1661 | char **name); |
1662 | ||
1663 | /* link.c */ | |
31dbecd4 TT |
1664 | errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name, |
1665 | ext2_ino_t ino, int flags); | |
1666 | errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name, | |
1667 | ext2_ino_t ino, int flags); | |
3839e657 | 1668 | |
50840882 JK |
1669 | /* symlink.c */ |
1670 | errcode_t ext2fs_symlink(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t ino, | |
4e222d9b | 1671 | const char *name, const char *target); |
cf0be234 | 1672 | int ext2fs_is_fast_symlink(struct ext2_inode *inode); |
50840882 | 1673 | |
0f5eba75 AD |
1674 | /* mmp.c */ |
1675 | errcode_t ext2fs_mmp_read(ext2_filsys fs, blk64_t mmp_blk, void *buf); | |
1676 | errcode_t ext2fs_mmp_write(ext2_filsys fs, blk64_t mmp_blk, void *buf); | |
1677 | errcode_t ext2fs_mmp_clear(ext2_filsys fs); | |
1678 | errcode_t ext2fs_mmp_init(ext2_filsys fs); | |
1679 | errcode_t ext2fs_mmp_start(ext2_filsys fs); | |
1680 | errcode_t ext2fs_mmp_update(ext2_filsys fs); | |
a9620d8b | 1681 | errcode_t ext2fs_mmp_update2(ext2_filsys fs, int immediately); |
0f5eba75 | 1682 | errcode_t ext2fs_mmp_stop(ext2_filsys fs); |
edbfd75d | 1683 | unsigned ext2fs_mmp_new_seq(void); |
0f5eba75 | 1684 | |
3839e657 | 1685 | /* read_bb.c */ |
19c78dc0 TT |
1686 | extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs, |
1687 | ext2_badblocks_list *bb_list); | |
3839e657 TT |
1688 | |
1689 | /* read_bb_file.c */ | |
efc6f628 | 1690 | extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, |
57dca854 | 1691 | ext2_badblocks_list *bb_list, |
50cd7e06 | 1692 | void *priv_data, |
57dca854 TT |
1693 | void (*invalid)(ext2_filsys fs, |
1694 | blk_t blk, | |
1695 | char *badstr, | |
50cd7e06 | 1696 | void *priv_data)); |
efc6f628 | 1697 | extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, |
19c78dc0 | 1698 | ext2_badblocks_list *bb_list, |
3839e657 TT |
1699 | void (*invalid)(ext2_filsys fs, |
1700 | blk_t blk)); | |
1701 | ||
d323f8fb TT |
1702 | /* res_gdt.c */ |
1703 | extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs); | |
1704 | ||
6a5bdaf7 TT |
1705 | /*sha256.c */ |
1706 | #define EXT2FS_SHA256_LENGTH 32 | |
c46b57bc | 1707 | #if 0 |
6a5bdaf7 TT |
1708 | extern void ext2fs_sha256(const unsigned char *in, unsigned long in_size, |
1709 | unsigned char out[EXT2FS_SHA256_LENGTH]); | |
437651ad | 1710 | #endif |
6a5bdaf7 | 1711 | |
569ee902 TT |
1712 | /* sha512.c */ |
1713 | #define EXT2FS_SHA512_LENGTH 64 | |
6a5bdaf7 | 1714 | extern void ext2fs_sha512(const unsigned char *in, unsigned long in_size, |
569ee902 | 1715 | unsigned char out[EXT2FS_SHA512_LENGTH]); |
569ee902 | 1716 | |
50e1e10f | 1717 | /* swapfs.c */ |
11f93746 ZL |
1718 | extern errcode_t ext2fs_dirent_swab_in2(ext2_filsys fs, char *buf, size_t size, |
1719 | int flags); | |
81683c6a | 1720 | extern errcode_t ext2fs_dirent_swab_in(ext2_filsys fs, char *buf, int flags); |
11f93746 ZL |
1721 | extern errcode_t ext2fs_dirent_swab_out2(ext2_filsys fs, char *buf, size_t size, |
1722 | int flags); | |
81683c6a | 1723 | extern errcode_t ext2fs_dirent_swab_out(ext2_filsys fs, char *buf, int flags); |
efc6f628 | 1724 | extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, |
7331196a | 1725 | int has_header); |
fefaef39 AD |
1726 | extern void ext2fs_swap_ext_attr_header(struct ext2_ext_attr_header *to_header, |
1727 | struct ext2_ext_attr_header *from_hdr); | |
1728 | extern void ext2fs_swap_ext_attr_entry(struct ext2_ext_attr_entry *to_entry, | |
1729 | struct ext2_ext_attr_entry *from_entry); | |
50e1e10f TT |
1730 | extern void ext2fs_swap_super(struct ext2_super_block * super); |
1731 | extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp); | |
cf828f1a | 1732 | extern void ext2fs_swap_group_desc2(ext2_filsys, struct ext2_group_desc *gdp); |
7331196a TT |
1733 | extern void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t, |
1734 | struct ext2_inode_large *f, int hostorder, | |
1735 | int bufsize); | |
1e3472c5 TT |
1736 | extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t, |
1737 | struct ext2_inode *f, int hostorder); | |
0f5eba75 | 1738 | extern void ext2fs_swap_mmp(struct mmp_struct *mmp); |
1e3472c5 | 1739 | |
ab3f5c5a TT |
1740 | /* unix_io.c */ |
1741 | extern int ext2fs_open_file(const char *pathname, int flags, mode_t mode); | |
1742 | extern int ext2fs_stat(const char *path, ext2fs_struct_stat *buf); | |
1743 | extern int ext2fs_fstat(int fd, ext2fs_struct_stat *buf); | |
1744 | ||
19c78dc0 | 1745 | /* valid_blk.c */ |
521e3685 | 1746 | extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode); |
0c80c44b TT |
1747 | extern int ext2fs_inode_has_valid_blocks2(ext2_filsys fs, |
1748 | struct ext2_inode *inode); | |
521e3685 TT |
1749 | |
1750 | /* version.c */ | |
1751 | extern int ext2fs_parse_version_string(const char *ver_string); | |
1752 | extern int ext2fs_get_library_version(const char **ver_string, | |
1753 | const char **date_string); | |
50e1e10f | 1754 | |
31dbecd4 TT |
1755 | /* write_bb_file.c */ |
1756 | extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list, | |
1757 | unsigned int flags, | |
1758 | FILE *f); | |
1759 | ||
1760 | ||
3839e657 | 1761 | /* inline functions */ |
ab3f5c5a | 1762 | #ifdef NO_INLINE_FUNCS |
c4e3d3f3 | 1763 | extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr); |
d32c915a TT |
1764 | extern errcode_t ext2fs_get_memzero(unsigned long size, void *ptr); |
1765 | extern errcode_t ext2fs_get_array(unsigned long count, | |
1766 | unsigned long size, void *ptr); | |
1767 | extern errcode_t ext2fs_get_arrayzero(unsigned long count, | |
1768 | unsigned long size, void *ptr); | |
c4e3d3f3 | 1769 | extern errcode_t ext2fs_free_mem(void *ptr); |
76f875da | 1770 | extern errcode_t ext2fs_resize_mem(unsigned long old_size, |
c4e3d3f3 | 1771 | unsigned long size, void *ptr); |
3839e657 TT |
1772 | extern void ext2fs_mark_super_dirty(ext2_filsys fs); |
1773 | extern void ext2fs_mark_changed(ext2_filsys fs); | |
1774 | extern int ext2fs_test_changed(ext2_filsys fs); | |
1775 | extern void ext2fs_mark_valid(ext2_filsys fs); | |
1776 | extern void ext2fs_unmark_valid(ext2_filsys fs); | |
1777 | extern int ext2fs_test_valid(ext2_filsys fs); | |
1778 | extern void ext2fs_mark_ib_dirty(ext2_filsys fs); | |
1779 | extern void ext2fs_mark_bb_dirty(ext2_filsys fs); | |
1780 | extern int ext2fs_test_ib_dirty(ext2_filsys fs); | |
1781 | extern int ext2fs_test_bb_dirty(ext2_filsys fs); | |
17abb05f DW |
1782 | extern dgrp_t ext2fs_group_of_blk(ext2_filsys fs, blk_t blk); |
1783 | extern dgrp_t ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino); | |
abf23439 ES |
1784 | extern blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group); |
1785 | extern blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group); | |
0684a4f3 TT |
1786 | extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
1787 | struct ext2_inode *inode); | |
ac3256fd | 1788 | extern int ext2fs_htree_intnode_maxrecs(ext2_filsys fs, int blocks); |
69022e02 | 1789 | extern unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b); |
743011fb | 1790 | extern __u64 ext2fs_div64_ceil(__u64 a, __u64 b); |
52a06740 TT |
1791 | extern int ext2fs_dirent_name_len(const struct ext2_dir_entry *entry); |
1792 | extern void ext2fs_dirent_set_name_len(struct ext2_dir_entry *entry, int len); | |
1793 | extern int ext2fs_dirent_file_type(const struct ext2_dir_entry *entry); | |
1794 | extern void ext2fs_dirent_set_file_type(struct ext2_dir_entry *entry, int type); | |
82e48fb1 TT |
1795 | extern struct ext2_inode *ext2fs_inode(struct ext2_inode_large * large_inode); |
1796 | extern const struct ext2_inode *ext2fs_const_inode(const struct ext2_inode_large * large_inode); | |
52a06740 | 1797 | |
ab3f5c5a | 1798 | #endif |
3839e657 TT |
1799 | |
1800 | /* | |
1801 | * The actual inlined functions definitions themselves... | |
1802 | * | |
1803 | * If NO_INLINE_FUNCS is defined, then we won't try to do inline | |
1804 | * functions at all! | |
1805 | */ | |
1806 | #if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS)) | |
1807 | #ifdef INCLUDE_INLINE_FUNCS | |
1808 | #define _INLINE_ extern | |
1809 | #else | |
ab3f5c5a TT |
1810 | #if (__STDC_VERSION__ >= 199901L) |
1811 | #define _INLINE_ inline | |
1812 | #else | |
76f875da | 1813 | #ifdef __GNUC__ |
3839e657 | 1814 | #define _INLINE_ extern __inline__ |
76f875da TT |
1815 | #else /* For Watcom C */ |
1816 | #define _INLINE_ extern inline | |
ab3f5c5a TT |
1817 | #endif /* __GNUC__ */ |
1818 | #endif /* __STDC_VERSION__ >= 199901L */ | |
3839e657 TT |
1819 | #endif |
1820 | ||
daf57eaa TT |
1821 | #ifndef EXT2_CUSTOM_MEMORY_ROUTINES |
1822 | #include <string.h> | |
7b4e4534 | 1823 | /* |
85b8f7af | 1824 | * Allocate memory. The 'ptr' arg must point to a pointer. |
7b4e4534 | 1825 | */ |
c4e3d3f3 | 1826 | _INLINE_ errcode_t ext2fs_get_mem(unsigned long size, void *ptr) |
7b4e4534 | 1827 | { |
2694f319 | 1828 | void *pp; |
c4e3d3f3 | 1829 | |
2694f319 TT |
1830 | pp = malloc(size); |
1831 | if (!pp) | |
291c9049 | 1832 | return EXT2_ET_NO_MEMORY; |
2694f319 | 1833 | memcpy(ptr, &pp, sizeof (pp)); |
7b4e4534 TT |
1834 | return 0; |
1835 | } | |
e5aace90 | 1836 | |
ffec46fe LC |
1837 | _INLINE_ errcode_t ext2fs_get_memzero(unsigned long size, void *ptr) |
1838 | { | |
1839 | void *pp; | |
1840 | ||
1841 | pp = malloc(size); | |
1842 | if (!pp) | |
1843 | return EXT2_ET_NO_MEMORY; | |
1844 | memset(pp, 0, size); | |
1845 | memcpy(ptr, &pp, sizeof(pp)); | |
1846 | return 0; | |
1847 | } | |
1848 | ||
ee01079a TT |
1849 | _INLINE_ errcode_t ext2fs_get_array(unsigned long count, unsigned long size, void *ptr) |
1850 | { | |
074931ab | 1851 | if (count && (~0UL)/count < size) |
ffec46fe | 1852 | return EXT2_ET_NO_MEMORY; |
ee01079a TT |
1853 | return ext2fs_get_mem(count*size, ptr); |
1854 | } | |
7b4e4534 | 1855 | |
ffec46fe LC |
1856 | _INLINE_ errcode_t ext2fs_get_arrayzero(unsigned long count, |
1857 | unsigned long size, void *ptr) | |
1858 | { | |
1859 | void *pp; | |
1860 | ||
074931ab | 1861 | if (count && (~0UL)/count < size) |
ffec46fe LC |
1862 | return EXT2_ET_NO_MEMORY; |
1863 | pp = calloc(count, size); | |
1864 | if (!pp) | |
1865 | return EXT2_ET_NO_MEMORY; | |
1866 | memcpy(ptr, &pp, sizeof(pp)); | |
1867 | return 0; | |
1868 | } | |
1869 | ||
7b4e4534 | 1870 | /* |
85b8f7af | 1871 | * Free memory. The 'ptr' arg must point to a pointer. |
7b4e4534 | 1872 | */ |
c4e3d3f3 | 1873 | _INLINE_ errcode_t ext2fs_free_mem(void *ptr) |
7b4e4534 | 1874 | { |
2694f319 | 1875 | void *p; |
c4e3d3f3 | 1876 | |
2694f319 TT |
1877 | memcpy(&p, ptr, sizeof(p)); |
1878 | free(p); | |
1879 | p = 0; | |
1880 | memcpy(ptr, &p, sizeof(p)); | |
7b4e4534 TT |
1881 | return 0; |
1882 | } | |
efc6f628 | 1883 | |
7b4e4534 | 1884 | /* |
85b8f7af | 1885 | * Resize memory. The 'ptr' arg must point to a pointer. |
7b4e4534 | 1886 | */ |
e47fd841 | 1887 | _INLINE_ errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size, |
c4e3d3f3 | 1888 | unsigned long size, void *ptr) |
7b4e4534 TT |
1889 | { |
1890 | void *p; | |
1891 | ||
39c191f5 ST |
1892 | /* Use "memcpy" for pointer assignments here to avoid problems |
1893 | * with C99 strict type aliasing rules. */ | |
2694f319 | 1894 | memcpy(&p, ptr, sizeof(p)); |
39c191f5 | 1895 | p = realloc(p, size); |
7b4e4534 | 1896 | if (!p) |
291c9049 | 1897 | return EXT2_ET_NO_MEMORY; |
2694f319 | 1898 | memcpy(ptr, &p, sizeof(p)); |
7b4e4534 TT |
1899 | return 0; |
1900 | } | |
1901 | #endif /* Custom memory routines */ | |
1902 | ||
3839e657 TT |
1903 | /* |
1904 | * Mark a filesystem superblock as dirty | |
1905 | */ | |
1906 | _INLINE_ void ext2fs_mark_super_dirty(ext2_filsys fs) | |
1907 | { | |
1908 | fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_CHANGED; | |
1909 | } | |
1910 | ||
1911 | /* | |
1912 | * Mark a filesystem as changed | |
1913 | */ | |
1914 | _INLINE_ void ext2fs_mark_changed(ext2_filsys fs) | |
1915 | { | |
1916 | fs->flags |= EXT2_FLAG_CHANGED; | |
1917 | } | |
1918 | ||
1919 | /* | |
1920 | * Check to see if a filesystem has changed | |
1921 | */ | |
1922 | _INLINE_ int ext2fs_test_changed(ext2_filsys fs) | |
1923 | { | |
1924 | return (fs->flags & EXT2_FLAG_CHANGED); | |
1925 | } | |
1926 | ||
1927 | /* | |
1928 | * Mark a filesystem as valid | |
1929 | */ | |
1930 | _INLINE_ void ext2fs_mark_valid(ext2_filsys fs) | |
1931 | { | |
1932 | fs->flags |= EXT2_FLAG_VALID; | |
1933 | } | |
1934 | ||
1935 | /* | |
1936 | * Mark a filesystem as NOT valid | |
1937 | */ | |
1938 | _INLINE_ void ext2fs_unmark_valid(ext2_filsys fs) | |
1939 | { | |
1940 | fs->flags &= ~EXT2_FLAG_VALID; | |
1941 | } | |
1942 | ||
1943 | /* | |
1944 | * Check to see if a filesystem is valid | |
1945 | */ | |
1946 | _INLINE_ int ext2fs_test_valid(ext2_filsys fs) | |
1947 | { | |
1948 | return (fs->flags & EXT2_FLAG_VALID); | |
1949 | } | |
1950 | ||
1951 | /* | |
1952 | * Mark the inode bitmap as dirty | |
1953 | */ | |
1954 | _INLINE_ void ext2fs_mark_ib_dirty(ext2_filsys fs) | |
1955 | { | |
1956 | fs->flags |= EXT2_FLAG_IB_DIRTY | EXT2_FLAG_CHANGED; | |
1957 | } | |
1958 | ||
1959 | /* | |
1960 | * Mark the block bitmap as dirty | |
1961 | */ | |
1962 | _INLINE_ void ext2fs_mark_bb_dirty(ext2_filsys fs) | |
1963 | { | |
1964 | fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_CHANGED; | |
1965 | } | |
1966 | ||
1967 | /* | |
1968 | * Check to see if a filesystem's inode bitmap is dirty | |
1969 | */ | |
1970 | _INLINE_ int ext2fs_test_ib_dirty(ext2_filsys fs) | |
1971 | { | |
1972 | return (fs->flags & EXT2_FLAG_IB_DIRTY); | |
1973 | } | |
1974 | ||
1975 | /* | |
1976 | * Check to see if a filesystem's block bitmap is dirty | |
1977 | */ | |
1978 | _INLINE_ int ext2fs_test_bb_dirty(ext2_filsys fs) | |
1979 | { | |
1980 | return (fs->flags & EXT2_FLAG_BB_DIRTY); | |
1981 | } | |
1982 | ||
1983 | /* | |
1984 | * Return the group # of a block | |
1985 | */ | |
b7048374 | 1986 | _INLINE_ dgrp_t ext2fs_group_of_blk(ext2_filsys fs, blk_t blk) |
3839e657 | 1987 | { |
e3854b3b | 1988 | return ext2fs_group_of_blk2(fs, blk); |
3839e657 | 1989 | } |
3839e657 TT |
1990 | /* |
1991 | * Return the group # of an inode number | |
1992 | */ | |
b7048374 | 1993 | _INLINE_ dgrp_t ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino) |
3839e657 TT |
1994 | { |
1995 | return (ino - 1) / fs->super->s_inodes_per_group; | |
1996 | } | |
0684a4f3 | 1997 | |
abf23439 ES |
1998 | /* |
1999 | * Return the first block (inclusive) in a group | |
2000 | */ | |
2001 | _INLINE_ blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group) | |
2002 | { | |
b7048374 | 2003 | return (blk_t) ext2fs_group_first_block2(fs, group); |
abf23439 ES |
2004 | } |
2005 | ||
2006 | /* | |
2007 | * Return the last block (inclusive) in a group | |
2008 | */ | |
2009 | _INLINE_ blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group) | |
2010 | { | |
b7048374 | 2011 | return (blk_t) ext2fs_group_last_block2(fs, group); |
abf23439 ES |
2012 | } |
2013 | ||
0684a4f3 TT |
2014 | _INLINE_ blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
2015 | struct ext2_inode *inode) | |
2016 | { | |
b7048374 | 2017 | return (blk_t) ext2fs_inode_data_blocks2(fs, inode); |
0684a4f3 | 2018 | } |
69022e02 | 2019 | |
ae9efd05 AB |
2020 | _INLINE_ int ext2fs_htree_intnode_maxrecs(ext2_filsys fs, int blocks) |
2021 | { | |
2022 | return blocks * ((fs->blocksize - 8) / sizeof(struct ext2_dx_entry)); | |
2023 | } | |
2024 | ||
69022e02 TT |
2025 | /* |
2026 | * This is an efficient, overflow safe way of calculating ceil((1.0 * a) / b) | |
2027 | */ | |
2028 | _INLINE_ unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b) | |
2029 | { | |
2030 | if (!a) | |
2031 | return 0; | |
2032 | return ((a - 1) / b) + 1; | |
2033 | } | |
743011fb JS |
2034 | |
2035 | _INLINE_ __u64 ext2fs_div64_ceil(__u64 a, __u64 b) | |
2036 | { | |
2037 | if (!a) | |
2038 | return 0; | |
2039 | return ((a - 1) / b) + 1; | |
2040 | } | |
2041 | ||
70f4632b JK |
2042 | _INLINE_ int ext2fs_dirent_name_len(const struct ext2_dir_entry *entry) |
2043 | { | |
2044 | return entry->name_len & 0xff; | |
2045 | } | |
2046 | ||
2047 | _INLINE_ void ext2fs_dirent_set_name_len(struct ext2_dir_entry *entry, int len) | |
2048 | { | |
2049 | entry->name_len = (entry->name_len & 0xff00) | (len & 0xff); | |
2050 | } | |
2051 | ||
2052 | _INLINE_ int ext2fs_dirent_file_type(const struct ext2_dir_entry *entry) | |
2053 | { | |
2054 | return entry->name_len >> 8; | |
2055 | } | |
2056 | ||
2057 | _INLINE_ void ext2fs_dirent_set_file_type(struct ext2_dir_entry *entry, int type) | |
2058 | { | |
2059 | entry->name_len = (entry->name_len & 0xff) | (type << 8); | |
2060 | } | |
2061 | ||
82e48fb1 TT |
2062 | _INLINE_ struct ext2_inode *ext2fs_inode(struct ext2_inode_large * large_inode) |
2063 | { | |
2064 | /* It is always safe to convert large inode to a small inode */ | |
2065 | return (struct ext2_inode *) large_inode; | |
2066 | } | |
2067 | ||
2068 | _INLINE_ const struct ext2_inode * | |
2069 | ext2fs_const_inode(const struct ext2_inode_large * large_inode) | |
2070 | { | |
2071 | /* It is always safe to convert large inode to a small inode */ | |
2072 | return (const struct ext2_inode *) large_inode; | |
2073 | } | |
2074 | ||
3839e657 TT |
2075 | #undef _INLINE_ |
2076 | #endif | |
2077 | ||
ac3256fd TT |
2078 | /* htree levels for ext4 */ |
2079 | #define EXT4_HTREE_LEVEL_COMPAT 2 | |
2080 | #define EXT4_HTREE_LEVEL 3 | |
2081 | ||
2082 | static inline unsigned int ext2_dir_htree_level(ext2_filsys fs) | |
2083 | { | |
2084 | if (ext2fs_has_feature_largedir(fs->super)) | |
2085 | return EXT4_HTREE_LEVEL; | |
2086 | ||
2087 | return EXT4_HTREE_LEVEL_COMPAT; | |
2088 | } | |
2089 | ||
fa7ef717 TT |
2090 | #ifdef __cplusplus |
2091 | } | |
2092 | #endif | |
2093 | ||
9abd2ce9 | 2094 | #endif /* _EXT2FS_EXT2FS_H */ |