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Commit | Line | Data |
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3839e657 TT |
1 | /* |
2 | * ext2fs.h --- ext2fs | |
efc6f628 | 3 | * |
19c78dc0 TT |
4 | * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o. |
5 | * | |
6 | * %Begin-Header% | |
543547a5 TT |
7 | * This file may be redistributed under the terms of the GNU Library |
8 | * General Public License, version 2. | |
19c78dc0 | 9 | * %End-Header% |
3839e657 TT |
10 | */ |
11 | ||
9abd2ce9 TT |
12 | #ifndef _EXT2FS_EXT2FS_H |
13 | #define _EXT2FS_EXT2FS_H | |
14 | ||
54434927 TT |
15 | #ifdef __GNUC__ |
16 | #define EXT2FS_ATTR(x) __attribute__(x) | |
17 | #else | |
18 | #define EXT2FS_ATTR(x) | |
19 | #endif | |
20 | ||
fa7ef717 TT |
21 | #ifdef __cplusplus |
22 | extern "C" { | |
23 | #endif | |
24 | ||
19c78dc0 TT |
25 | /* |
26 | * Non-GNU C compilers won't necessarily understand inline | |
27 | */ | |
76f875da | 28 | #if (!defined(__GNUC__) && !defined(__WATCOMC__)) |
19c78dc0 TT |
29 | #define NO_INLINE_FUNCS |
30 | #endif | |
31 | ||
3839e657 TT |
32 | /* |
33 | * Where the master copy of the superblock is located, and how big | |
34 | * superblocks are supposed to be. We define SUPERBLOCK_SIZE because | |
35 | * the size of the superblock structure is not necessarily trustworthy | |
36 | * (some versions have the padding set up so that the superblock is | |
37 | * 1032 bytes long). | |
38 | */ | |
39 | #define SUPERBLOCK_OFFSET 1024 | |
40 | #define SUPERBLOCK_SIZE 1024 | |
41 | ||
f3db3566 TT |
42 | /* |
43 | * The last ext2fs revision level that this version of the library is | |
44 | * able to support. | |
45 | */ | |
e5b38a5f | 46 | #define EXT2_LIB_CURRENT_REV EXT2_DYNAMIC_REV |
f3db3566 | 47 | |
d40259fd | 48 | #ifdef HAVE_SYS_TYPES_H |
1e3472c5 | 49 | #include <sys/types.h> |
d40259fd TT |
50 | #endif |
51 | ||
3e699064 | 52 | #include <stdio.h> |
5be8dc21 | 53 | #include <stdlib.h> |
a82a5702 | 54 | #include <string.h> |
5953b9de TT |
55 | |
56 | #if EXT2_FLAT_INCLUDES | |
57 | #include "e2_types.h" | |
3e699064 | 58 | #include "ext2_fs.h" |
89dd6570 | 59 | #include "ext3_extents.h" |
5953b9de | 60 | #else |
797f5ef1 | 61 | #include <ext2fs/ext2_types.h> |
3e699064 | 62 | #include <ext2fs/ext2_fs.h> |
89dd6570 | 63 | #include <ext2fs/ext3_extents.h> |
e589f678 | 64 | #endif /* EXT2_FLAT_INCLUDES */ |
50e1e10f | 65 | |
31dbecd4 | 66 | typedef __u32 ext2_ino_t; |
50e1e10f | 67 | typedef __u32 blk_t; |
eac91b35 | 68 | typedef __u64 blk64_t; |
2eb374c9 | 69 | typedef __u32 dgrp_t; |
30fab293 | 70 | typedef __u32 ext2_off_t; |
f6b4c275 | 71 | typedef __u64 ext2_off64_t; |
03673dbb | 72 | typedef __s64 e2_blkcnt_t; |
52783e0c | 73 | typedef __u32 ext2_dirhash_t; |
3839e657 | 74 | |
b5abe6fa TT |
75 | #if EXT2_FLAT_INCLUDES |
76 | #include "com_err.h" | |
77 | #include "ext2_io.h" | |
78 | #include "ext2_err.h" | |
fefaef39 | 79 | #include "ext2_ext_attr.h" |
b5abe6fa | 80 | #else |
7c2d2569 TT |
81 | #include <et/com_err.h> |
82 | #include <ext2fs/ext2_io.h> | |
83 | #include <ext2fs/ext2_err.h> | |
fefaef39 | 84 | #include <ext2fs/ext2_ext_attr.h> |
b5abe6fa | 85 | #endif |
3839e657 | 86 | |
4c77fe50 TT |
87 | /* |
88 | * Portability help for Microsoft Visual C++ | |
89 | */ | |
90 | #ifdef _MSC_VER | |
91 | #define EXT2_QSORT_TYPE int __cdecl | |
92 | #else | |
93 | #define EXT2_QSORT_TYPE int | |
94 | #endif | |
95 | ||
f3db3566 TT |
96 | typedef struct struct_ext2_filsys *ext2_filsys; |
97 | ||
1e3472c5 TT |
98 | #define EXT2FS_MARK_ERROR 0 |
99 | #define EXT2FS_UNMARK_ERROR 1 | |
100 | #define EXT2FS_TEST_ERROR 2 | |
f3db3566 | 101 | |
1e3472c5 | 102 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_generic_bitmap; |
1e3472c5 | 103 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_inode_bitmap; |
1e3472c5 | 104 | typedef struct ext2fs_struct_generic_bitmap *ext2fs_block_bitmap; |
f3db3566 | 105 | |
7f88b043 | 106 | #define EXT2_FIRST_INODE(s) EXT2_FIRST_INO(s) |
067911ae | 107 | |
7f88b043 | 108 | |
19c78dc0 | 109 | /* |
067911ae | 110 | * Badblocks list definitions |
19c78dc0 TT |
111 | */ |
112 | ||
b7a00563 TT |
113 | typedef struct ext2_struct_u32_list *ext2_badblocks_list; |
114 | typedef struct ext2_struct_u32_iterate *ext2_badblocks_iterate; | |
115 | ||
116 | typedef struct ext2_struct_u32_list *ext2_u32_list; | |
117 | typedef struct ext2_struct_u32_iterate *ext2_u32_iterate; | |
19c78dc0 TT |
118 | |
119 | /* old */ | |
b7a00563 TT |
120 | typedef struct ext2_struct_u32_list *badblocks_list; |
121 | typedef struct ext2_struct_u32_iterate *badblocks_iterate; | |
19c78dc0 TT |
122 | |
123 | #define BADBLOCKS_FLAG_DIRTY 1 | |
124 | ||
125 | /* | |
126 | * ext2_dblist structure and abstractions (see dblist.c) | |
127 | */ | |
ab13b5a9 TT |
128 | struct ext2_db_entry2 { |
129 | ext2_ino_t ino; | |
130 | blk64_t blk; | |
131 | e2_blkcnt_t blockcnt; | |
132 | }; | |
133 | ||
134 | /* Ye Olde 32-bit version */ | |
19c78dc0 | 135 | struct ext2_db_entry { |
31dbecd4 | 136 | ext2_ino_t ino; |
19c78dc0 TT |
137 | blk_t blk; |
138 | int blockcnt; | |
139 | }; | |
140 | ||
141 | typedef struct ext2_struct_dblist *ext2_dblist; | |
142 | ||
143 | #define DBLIST_ABORT 1 | |
144 | ||
30fab293 TT |
145 | /* |
146 | * ext2_fileio definitions | |
147 | */ | |
148 | ||
149 | #define EXT2_FILE_WRITE 0x0001 | |
150 | #define EXT2_FILE_CREATE 0x0002 | |
151 | ||
152 | #define EXT2_FILE_MASK 0x00FF | |
153 | ||
154 | #define EXT2_FILE_BUF_DIRTY 0x4000 | |
155 | #define EXT2_FILE_BUF_VALID 0x2000 | |
156 | ||
157 | typedef struct ext2_file *ext2_file_t; | |
158 | ||
159 | #define EXT2_SEEK_SET 0 | |
160 | #define EXT2_SEEK_CUR 1 | |
161 | #define EXT2_SEEK_END 2 | |
162 | ||
3839e657 | 163 | /* |
a112847b | 164 | * Flags for the ext2_filsys structure and for ext2fs_open() |
3839e657 | 165 | */ |
19c78dc0 TT |
166 | #define EXT2_FLAG_RW 0x01 |
167 | #define EXT2_FLAG_CHANGED 0x02 | |
168 | #define EXT2_FLAG_DIRTY 0x04 | |
169 | #define EXT2_FLAG_VALID 0x08 | |
170 | #define EXT2_FLAG_IB_DIRTY 0x10 | |
171 | #define EXT2_FLAG_BB_DIRTY 0x20 | |
5c576477 TT |
172 | #define EXT2_FLAG_SWAP_BYTES 0x40 |
173 | #define EXT2_FLAG_SWAP_BYTES_READ 0x80 | |
174 | #define EXT2_FLAG_SWAP_BYTES_WRITE 0x100 | |
175 | #define EXT2_FLAG_MASTER_SB_ONLY 0x200 | |
19c78dc0 | 176 | #define EXT2_FLAG_FORCE 0x400 |
43ec8734 | 177 | #define EXT2_FLAG_SUPER_ONLY 0x800 |
a112847b | 178 | #define EXT2_FLAG_JOURNAL_DEV_OK 0x1000 |
a78926ef | 179 | #define EXT2_FLAG_IMAGE_FILE 0x2000 |
39c47ce6 | 180 | #define EXT2_FLAG_EXCLUSIVE 0x4000 |
cf8272e1 | 181 | #define EXT2_FLAG_SOFTSUPP_FEATURES 0x8000 |
ab52e12a | 182 | #define EXT2_FLAG_NOFREE_ON_ERROR 0x10000 |
69365c68 | 183 | #define EXT2_FLAG_64BITS 0x20000 |
95fd65bb | 184 | #define EXT2_FLAG_PRINT_PROGRESS 0x40000 |
3839e657 | 185 | |
7f88b043 TT |
186 | /* |
187 | * Special flag in the ext2 inode i_flag field that means that this is | |
188 | * a new inode. (So that ext2_write_inode() can clear extra fields.) | |
189 | */ | |
190 | #define EXT2_NEW_INODE_FL 0x80000000 | |
191 | ||
4e246704 TT |
192 | /* |
193 | * Flags for mkjournal | |
194 | * | |
195 | * EXT2_MKJOURNAL_V1_SUPER Make a (deprecated) V1 journal superblock | |
196 | */ | |
197 | #define EXT2_MKJOURNAL_V1_SUPER 0x0000001 | |
198 | ||
3839e657 | 199 | struct struct_ext2_filsys { |
4cbe8af4 | 200 | errcode_t magic; |
3839e657 TT |
201 | io_channel io; |
202 | int flags; | |
203 | char * device_name; | |
204 | struct ext2_super_block * super; | |
54434927 | 205 | unsigned int blocksize; |
3839e657 | 206 | int fragsize; |
2eb374c9 | 207 | dgrp_t group_desc_count; |
3839e657 TT |
208 | unsigned long desc_blocks; |
209 | struct ext2_group_desc * group_desc; | |
210 | int inode_blocks_per_group; | |
f3db3566 TT |
211 | ext2fs_inode_bitmap inode_map; |
212 | ext2fs_block_bitmap block_map; | |
6d8b37fa | 213 | /* XXX FIXME-64: not 64-bit safe, but not used? */ |
31dbecd4 TT |
214 | errcode_t (*get_blocks)(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
215 | errcode_t (*check_directory)(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 216 | errcode_t (*write_bitmaps)(ext2_filsys fs); |
31dbecd4 | 217 | errcode_t (*read_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 218 | struct ext2_inode *inode); |
31dbecd4 | 219 | errcode_t (*write_inode)(ext2_filsys fs, ext2_ino_t ino, |
1e3472c5 | 220 | struct ext2_inode *inode); |
b7a00563 | 221 | ext2_badblocks_list badblocks; |
19c78dc0 | 222 | ext2_dblist dblist; |
a29f4d30 | 223 | __u32 stride; /* for mke2fs */ |
c180ac86 | 224 | struct ext2_super_block * orig_super; |
a78926ef | 225 | struct ext2_image_hdr * image_header; |
6a525069 | 226 | __u32 umask; |
9b9a780f | 227 | time_t now; |
19c78dc0 TT |
228 | /* |
229 | * Reserved for future expansion | |
230 | */ | |
32138187 | 231 | __u32 reserved[7]; |
3839e657 TT |
232 | |
233 | /* | |
a29f4d30 | 234 | * Reserved for the use of the calling application. |
3839e657 | 235 | */ |
b5abe6fa | 236 | void * priv_data; |
a29f4d30 TT |
237 | |
238 | /* | |
239 | * Inode cache | |
240 | */ | |
241 | struct ext2_inode_cache *icache; | |
1ad54a94 | 242 | io_channel image_io; |
f5c562e2 TT |
243 | |
244 | /* | |
245 | * More callback functions | |
246 | */ | |
247 | errcode_t (*get_alloc_block)(ext2_filsys fs, blk64_t goal, | |
248 | blk64_t *ret); | |
249 | void (*block_alloc_stats)(ext2_filsys fs, blk64_t blk, int inuse); | |
3839e657 TT |
250 | }; |
251 | ||
5953b9de TT |
252 | #if EXT2_FLAT_INCLUDES |
253 | #include "e2_bitops.h" | |
254 | #else | |
7c2d2569 | 255 | #include <ext2fs/bitops.h> |
5953b9de | 256 | #endif |
d40259fd | 257 | |
3839e657 TT |
258 | /* |
259 | * Return flags for the block iterator functions | |
260 | */ | |
261 | #define BLOCK_CHANGED 1 | |
262 | #define BLOCK_ABORT 2 | |
263 | #define BLOCK_ERROR 4 | |
264 | ||
265 | /* | |
266 | * Block interate flags | |
50e1e10f TT |
267 | * |
268 | * BLOCK_FLAG_APPEND, or BLOCK_FLAG_HOLE, indicates that the interator | |
269 | * function should be called on blocks where the block number is zero. | |
270 | * This is used by ext2fs_expand_dir() to be able to add a new block | |
271 | * to an inode. It can also be used for programs that want to be able | |
272 | * to deal with files that contain "holes". | |
efc6f628 | 273 | * |
7447921d TT |
274 | * BLOCK_FLAG_DEPTH_TRAVERSE indicates that the iterator function for |
275 | * the indirect, doubly indirect, etc. blocks should be called after | |
276 | * all of the blocks containined in the indirect blocks are processed. | |
50e1e10f TT |
277 | * This is useful if you are going to be deallocating blocks from an |
278 | * inode. | |
1e3472c5 TT |
279 | * |
280 | * BLOCK_FLAG_DATA_ONLY indicates that the iterator function should be | |
281 | * called for data blocks only. | |
674a4ee1 | 282 | * |
efc6f628 | 283 | * BLOCK_FLAG_READ_ONLY is a promise by the caller that it will not |
357d1863 TT |
284 | * modify returned block number. |
285 | * | |
674a4ee1 | 286 | * BLOCK_FLAG_NO_LARGE is for internal use only. It informs |
36a43d67 | 287 | * ext2fs_block_iterate2 that large files won't be accepted. |
3839e657 TT |
288 | */ |
289 | #define BLOCK_FLAG_APPEND 1 | |
50e1e10f | 290 | #define BLOCK_FLAG_HOLE 1 |
3839e657 | 291 | #define BLOCK_FLAG_DEPTH_TRAVERSE 2 |
1e3472c5 | 292 | #define BLOCK_FLAG_DATA_ONLY 4 |
357d1863 | 293 | #define BLOCK_FLAG_READ_ONLY 8 |
1e3472c5 | 294 | |
674a4ee1 TT |
295 | #define BLOCK_FLAG_NO_LARGE 0x1000 |
296 | ||
1e3472c5 TT |
297 | /* |
298 | * Magic "block count" return values for the block iterator function. | |
299 | */ | |
300 | #define BLOCK_COUNT_IND (-1) | |
301 | #define BLOCK_COUNT_DIND (-2) | |
302 | #define BLOCK_COUNT_TIND (-3) | |
303 | #define BLOCK_COUNT_TRANSLATOR (-4) | |
3839e657 | 304 | |
4a31c48b | 305 | #if 0 |
1e1da29f TT |
306 | /* |
307 | * Flags for ext2fs_move_blocks | |
308 | */ | |
efc6f628 | 309 | #define EXT2_BMOVE_GET_DBLIST 0x0001 |
36f21439 | 310 | #define EXT2_BMOVE_DEBUG 0x0002 |
4a31c48b | 311 | #endif |
1e1da29f | 312 | |
3eb07f64 TT |
313 | /* |
314 | * Generic (non-filesystem layout specific) extents structure | |
315 | */ | |
316 | ||
317 | #define EXT2_EXTENT_FLAGS_LEAF 0x0001 | |
318 | #define EXT2_EXTENT_FLAGS_UNINIT 0x0002 | |
319 | #define EXT2_EXTENT_FLAGS_SECOND_VISIT 0x0004 | |
320 | ||
321 | struct ext2fs_extent { | |
322 | blk64_t e_pblk; /* first physical block */ | |
323 | blk64_t e_lblk; /* first logical block extent covers */ | |
324 | __u32 e_len; /* number of blocks covered by extent */ | |
325 | __u32 e_flags; /* extent flags */ | |
326 | }; | |
327 | ||
328 | typedef struct ext2_extent_handle *ext2_extent_handle_t; | |
329 | typedef struct ext2_extent_path *ext2_extent_path_t; | |
330 | ||
331 | /* | |
332 | * Flags used by ext2fs_extent_get() | |
333 | */ | |
334 | #define EXT2_EXTENT_CURRENT 0x0000 | |
335 | #define EXT2_EXTENT_MOVE_MASK 0x000F | |
336 | #define EXT2_EXTENT_ROOT 0x0001 | |
337 | #define EXT2_EXTENT_LAST_LEAF 0x0002 | |
338 | #define EXT2_EXTENT_FIRST_SIB 0x0003 | |
339 | #define EXT2_EXTENT_LAST_SIB 0x0004 | |
340 | #define EXT2_EXTENT_NEXT_SIB 0x0005 | |
341 | #define EXT2_EXTENT_PREV_SIB 0x0006 | |
342 | #define EXT2_EXTENT_NEXT_LEAF 0x0007 | |
343 | #define EXT2_EXTENT_PREV_LEAF 0x0008 | |
344 | #define EXT2_EXTENT_NEXT 0x0009 | |
345 | #define EXT2_EXTENT_PREV 0x000A | |
346 | #define EXT2_EXTENT_UP 0x000B | |
347 | #define EXT2_EXTENT_DOWN 0x000C | |
348 | #define EXT2_EXTENT_DOWN_AND_LAST 0x000D | |
349 | ||
350 | /* | |
351 | * Flags used by ext2fs_extent_insert() | |
352 | */ | |
01229db5 ES |
353 | #define EXT2_EXTENT_INSERT_AFTER 0x0001 /* insert after handle loc'n */ |
354 | #define EXT2_EXTENT_INSERT_NOSPLIT 0x0002 /* insert may not cause split */ | |
3eb07f64 | 355 | |
c802ad9e ES |
356 | /* |
357 | * Flags used by ext2fs_extent_delete() | |
358 | */ | |
359 | #define EXT2_EXTENT_DELETE_KEEP_EMPTY 0x001 /* keep node if last extnt gone */ | |
360 | ||
f4e9963c ES |
361 | /* |
362 | * Flags used by ext2fs_extent_set_bmap() | |
363 | */ | |
364 | #define EXT2_EXTENT_SET_BMAP_UNINIT 0x0001 | |
365 | ||
3eb07f64 TT |
366 | /* |
367 | * Data structure returned by ext2fs_extent_get_info() | |
368 | */ | |
369 | struct ext2_extent_info { | |
370 | int curr_entry; | |
371 | int curr_level; | |
372 | int num_entries; | |
373 | int max_entries; | |
374 | int max_depth; | |
375 | int bytes_avail; | |
376 | blk64_t max_lblk; | |
377 | blk64_t max_pblk; | |
378 | __u32 max_len; | |
379 | __u32 max_uninit_len; | |
380 | }; | |
381 | ||
f9190c8a TT |
382 | /* |
383 | * Flags for directory block reading and writing functions | |
384 | */ | |
385 | #define EXT2_DIRBLOCK_V2_STRUCT 0x0001 | |
386 | ||
3839e657 TT |
387 | /* |
388 | * Return flags for the directory iterator functions | |
389 | */ | |
390 | #define DIRENT_CHANGED 1 | |
391 | #define DIRENT_ABORT 2 | |
392 | #define DIRENT_ERROR 3 | |
393 | ||
394 | /* | |
395 | * Directory iterator flags | |
396 | */ | |
397 | ||
398 | #define DIRENT_FLAG_INCLUDE_EMPTY 1 | |
8bd0c959 | 399 | #define DIRENT_FLAG_INCLUDE_REMOVED 2 |
19c78dc0 TT |
400 | |
401 | #define DIRENT_DOT_FILE 1 | |
402 | #define DIRENT_DOT_DOT_FILE 2 | |
403 | #define DIRENT_OTHER_FILE 3 | |
8bd0c959 | 404 | #define DIRENT_DELETED_FILE 4 |
19c78dc0 | 405 | |
3839e657 TT |
406 | /* |
407 | * Inode scan definitions | |
408 | */ | |
f3db3566 TT |
409 | typedef struct ext2_struct_inode_scan *ext2_inode_scan; |
410 | ||
19c78dc0 TT |
411 | /* |
412 | * ext2fs_scan flags | |
413 | */ | |
414 | #define EXT2_SF_CHK_BADBLOCKS 0x0001 | |
415 | #define EXT2_SF_BAD_INODE_BLK 0x0002 | |
416 | #define EXT2_SF_BAD_EXTRA_BYTES 0x0004 | |
417 | #define EXT2_SF_SKIP_MISSING_ITABLE 0x0008 | |
f5fa2007 | 418 | #define EXT2_SF_DO_LAZY 0x0010 |
3839e657 | 419 | |
50e1e10f TT |
420 | /* |
421 | * ext2fs_check_if_mounted flags | |
422 | */ | |
423 | #define EXT2_MF_MOUNTED 1 | |
424 | #define EXT2_MF_ISROOT 2 | |
19c78dc0 | 425 | #define EXT2_MF_READONLY 4 |
07cefe7a | 426 | #define EXT2_MF_SWAP 8 |
2fa8f37f | 427 | #define EXT2_MF_BUSY 16 |
50e1e10f TT |
428 | |
429 | /* | |
430 | * Ext2/linux mode flags. We define them here so that we don't need | |
431 | * to depend on the OS's sys/stat.h, since we may be compiling on a | |
432 | * non-Linux system. | |
433 | */ | |
434 | #define LINUX_S_IFMT 00170000 | |
435 | #define LINUX_S_IFSOCK 0140000 | |
436 | #define LINUX_S_IFLNK 0120000 | |
437 | #define LINUX_S_IFREG 0100000 | |
438 | #define LINUX_S_IFBLK 0060000 | |
439 | #define LINUX_S_IFDIR 0040000 | |
440 | #define LINUX_S_IFCHR 0020000 | |
441 | #define LINUX_S_IFIFO 0010000 | |
442 | #define LINUX_S_ISUID 0004000 | |
443 | #define LINUX_S_ISGID 0002000 | |
444 | #define LINUX_S_ISVTX 0001000 | |
445 | ||
1e3472c5 TT |
446 | #define LINUX_S_IRWXU 00700 |
447 | #define LINUX_S_IRUSR 00400 | |
448 | #define LINUX_S_IWUSR 00200 | |
449 | #define LINUX_S_IXUSR 00100 | |
450 | ||
451 | #define LINUX_S_IRWXG 00070 | |
452 | #define LINUX_S_IRGRP 00040 | |
453 | #define LINUX_S_IWGRP 00020 | |
454 | #define LINUX_S_IXGRP 00010 | |
455 | ||
456 | #define LINUX_S_IRWXO 00007 | |
457 | #define LINUX_S_IROTH 00004 | |
458 | #define LINUX_S_IWOTH 00002 | |
459 | #define LINUX_S_IXOTH 00001 | |
460 | ||
50e1e10f TT |
461 | #define LINUX_S_ISLNK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFLNK) |
462 | #define LINUX_S_ISREG(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFREG) | |
463 | #define LINUX_S_ISDIR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFDIR) | |
464 | #define LINUX_S_ISCHR(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFCHR) | |
465 | #define LINUX_S_ISBLK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFBLK) | |
466 | #define LINUX_S_ISFIFO(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFIFO) | |
467 | #define LINUX_S_ISSOCK(m) (((m) & LINUX_S_IFMT) == LINUX_S_IFSOCK) | |
468 | ||
819157db TT |
469 | /* |
470 | * ext2 size of an inode | |
471 | */ | |
472 | #define EXT2_I_SIZE(i) ((i)->i_size | ((__u64) (i)->i_size_high << 32)) | |
473 | ||
19c78dc0 TT |
474 | /* |
475 | * ext2_icount_t abstraction | |
476 | */ | |
477 | #define EXT2_ICOUNT_OPT_INCREMENT 0x01 | |
478 | ||
479 | typedef struct ext2_icount *ext2_icount_t; | |
480 | ||
30fab293 TT |
481 | /* |
482 | * Flags for ext2fs_bmap | |
483 | */ | |
1d667534 TT |
484 | #define BMAP_ALLOC 0x0001 |
485 | #define BMAP_SET 0x0002 | |
30fab293 | 486 | |
cc9bf5d2 TT |
487 | /* |
488 | * Returned flags from ext2fs_bmap | |
489 | */ | |
490 | #define BMAP_RET_UNINIT 0x0001 | |
491 | ||
72ed1264 TT |
492 | /* |
493 | * Flags for imager.c functions | |
494 | */ | |
495 | #define IMAGER_FLAG_INODEMAP 1 | |
496 | #define IMAGER_FLAG_SPARSEWRITE 2 | |
497 | ||
f3db3566 TT |
498 | /* |
499 | * For checking structure magic numbers... | |
500 | */ | |
3839e657 | 501 | |
f3db3566 TT |
502 | #define EXT2_CHECK_MAGIC(struct, code) \ |
503 | if ((struct)->magic != (code)) return (code) | |
1e3472c5 TT |
504 | |
505 | ||
506 | /* | |
e5b38a5f | 507 | * For ext2 compression support |
1e3472c5 | 508 | */ |
5d38ef1d | 509 | #define EXT2FS_COMPRESSED_BLKADDR ((blk_t) -1) |
5a63dd28 TT |
510 | #define HOLE_BLKADDR(_b) ((_b) == 0 || (_b) == EXT2FS_COMPRESSED_BLKADDR) |
511 | ||
521e3685 | 512 | /* |
426d734f | 513 | * Features supported by this version of the library |
521e3685 | 514 | */ |
3a5f8eaa TT |
515 | #define EXT2_LIB_FEATURE_COMPAT_SUPP (EXT2_FEATURE_COMPAT_DIR_PREALLOC|\ |
516 | EXT2_FEATURE_COMPAT_IMAGIC_INODES|\ | |
342d847d | 517 | EXT3_FEATURE_COMPAT_HAS_JOURNAL|\ |
d323f8fb | 518 | EXT2_FEATURE_COMPAT_RESIZE_INODE|\ |
52783e0c | 519 | EXT2_FEATURE_COMPAT_DIR_INDEX|\ |
342d847d | 520 | EXT2_FEATURE_COMPAT_EXT_ATTR) |
2fe1efe2 | 521 | |
5a63dd28 TT |
522 | /* This #ifdef is temporary until compression is fully supported */ |
523 | #ifdef ENABLE_COMPRESSION | |
e589f678 TT |
524 | #ifndef I_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL |
525 | /* If the below warning bugs you, then have | |
526 | `CPPFLAGS=-DI_KNOW_THAT_COMPRESSION_IS_EXPERIMENTAL' in your | |
527 | environment at configure time. */ | |
cdaf1fa7 | 528 | #warning "Compression support is experimental" |
e589f678 | 529 | #endif |
5a63dd28 | 530 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ |
ab146766 | 531 | EXT2_FEATURE_INCOMPAT_COMPRESSION|\ |
a112847b | 532 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ |
c046ac7f | 533 | EXT2_FEATURE_INCOMPAT_META_BG|\ |
c2d4300b | 534 | EXT3_FEATURE_INCOMPAT_RECOVER|\ |
15d482ba | 535 | EXT3_FEATURE_INCOMPAT_EXTENTS|\ |
02d6f47e JS |
536 | EXT4_FEATURE_INCOMPAT_FLEX_BG|\ |
537 | EXT4_FEATURE_INCOMPAT_64BIT) | |
5a63dd28 | 538 | #else |
ab146766 | 539 | #define EXT2_LIB_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE|\ |
a112847b | 540 | EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\ |
c046ac7f | 541 | EXT2_FEATURE_INCOMPAT_META_BG|\ |
c2d4300b | 542 | EXT3_FEATURE_INCOMPAT_RECOVER|\ |
15d482ba | 543 | EXT3_FEATURE_INCOMPAT_EXTENTS|\ |
02d6f47e JS |
544 | EXT4_FEATURE_INCOMPAT_FLEX_BG|\ |
545 | EXT4_FEATURE_INCOMPAT_64BIT) | |
5a63dd28 | 546 | #endif |
674a4ee1 | 547 | #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\ |
1ca1059f | 548 | EXT4_FEATURE_RO_COMPAT_HUGE_FILE|\ |
a7c9cb7d | 549 | EXT2_FEATURE_RO_COMPAT_LARGE_FILE|\ |
d4f34d41 | 550 | EXT4_FEATURE_RO_COMPAT_DIR_NLINK|\ |
2be8fe43 | 551 | EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE|\ |
d4f34d41 | 552 | EXT4_FEATURE_RO_COMPAT_GDT_CSUM) |
cf8272e1 TT |
553 | |
554 | /* | |
555 | * These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed | |
556 | * to ext2fs_openfs() | |
557 | */ | |
1ca1059f | 558 | #define EXT2_LIB_SOFTSUPP_INCOMPAT (0) |
2be8fe43 | 559 | #define EXT2_LIB_SOFTSUPP_RO_COMPAT (0) |
cf8272e1 | 560 | |
3839e657 TT |
561 | /* |
562 | * function prototypes | |
563 | */ | |
564 | ||
565 | /* alloc.c */ | |
31dbecd4 TT |
566 | extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode, |
567 | ext2fs_inode_bitmap map, ext2_ino_t *ret); | |
3839e657 | 568 | extern errcode_t ext2fs_new_block(ext2_filsys fs, blk_t goal, |
f3db3566 | 569 | ext2fs_block_bitmap map, blk_t *ret); |
8a5e1812 JS |
570 | extern errcode_t ext2fs_new_block2(ext2_filsys fs, blk64_t goal, |
571 | ext2fs_block_bitmap map, blk64_t *ret); | |
3839e657 | 572 | extern errcode_t ext2fs_get_free_blocks(ext2_filsys fs, blk_t start, |
f3db3566 TT |
573 | blk_t finish, int num, |
574 | ext2fs_block_bitmap map, | |
3839e657 | 575 | blk_t *ret); |
8a5e1812 JS |
576 | extern errcode_t ext2fs_get_free_blocks2(ext2_filsys fs, blk64_t start, |
577 | blk64_t finish, int num, | |
578 | ext2fs_block_bitmap map, | |
579 | blk64_t *ret); | |
30fab293 TT |
580 | extern errcode_t ext2fs_alloc_block(ext2_filsys fs, blk_t goal, |
581 | char *block_buf, blk_t *ret); | |
8a5e1812 JS |
582 | extern errcode_t ext2fs_alloc_block2(ext2_filsys fs, blk64_t goal, |
583 | char *block_buf, blk64_t *ret); | |
efc6f628 | 584 | extern void ext2fs_set_alloc_block_callback(ext2_filsys fs, |
f5c562e2 TT |
585 | errcode_t (*func)(ext2_filsys fs, |
586 | blk64_t goal, | |
587 | blk64_t *ret), | |
588 | errcode_t (**old)(ext2_filsys fs, | |
589 | blk64_t goal, | |
590 | blk64_t *ret)); | |
3839e657 | 591 | |
ef344e13 | 592 | /* alloc_sb.c */ |
efc6f628 | 593 | extern int ext2fs_reserve_super_and_bgd(ext2_filsys fs, |
ef344e13 TT |
594 | dgrp_t group, |
595 | ext2fs_block_bitmap bmap); | |
efc6f628 | 596 | extern void ext2fs_set_block_alloc_stats_callback(ext2_filsys fs, |
f5c562e2 TT |
597 | void (*func)(ext2_filsys fs, |
598 | blk64_t blk, | |
599 | int inuse), | |
600 | void (**old)(ext2_filsys fs, | |
601 | blk64_t blk, | |
602 | int inuse)); | |
ef344e13 | 603 | |
8bd0c959 TT |
604 | /* alloc_stats.c */ |
605 | void ext2fs_inode_alloc_stats(ext2_filsys fs, ext2_ino_t ino, int inuse); | |
7f961d42 TT |
606 | void ext2fs_inode_alloc_stats2(ext2_filsys fs, ext2_ino_t ino, |
607 | int inuse, int isdir); | |
8bd0c959 | 608 | void ext2fs_block_alloc_stats(ext2_filsys fs, blk_t blk, int inuse); |
e8328e31 | 609 | void ext2fs_block_alloc_stats2(ext2_filsys fs, blk64_t blk, int inuse); |
8bd0c959 | 610 | |
1e1da29f TT |
611 | /* alloc_tables.c */ |
612 | extern errcode_t ext2fs_allocate_tables(ext2_filsys fs); | |
2eb374c9 | 613 | extern errcode_t ext2fs_allocate_group_table(ext2_filsys fs, dgrp_t group, |
1e1da29f | 614 | ext2fs_block_bitmap bmap); |
19c78dc0 | 615 | |
3839e657 | 616 | /* badblocks.c */ |
b7a00563 TT |
617 | extern errcode_t ext2fs_u32_list_create(ext2_u32_list *ret, int size); |
618 | extern errcode_t ext2fs_u32_list_add(ext2_u32_list bb, __u32 blk); | |
54434927 | 619 | extern int ext2fs_u32_list_find(ext2_u32_list bb, __u32 blk); |
b7a00563 TT |
620 | extern int ext2fs_u32_list_test(ext2_u32_list bb, blk_t blk); |
621 | extern errcode_t ext2fs_u32_list_iterate_begin(ext2_u32_list bb, | |
622 | ext2_u32_iterate *ret); | |
623 | extern int ext2fs_u32_list_iterate(ext2_u32_iterate iter, blk_t *blk); | |
624 | extern void ext2fs_u32_list_iterate_end(ext2_u32_iterate iter); | |
625 | extern errcode_t ext2fs_u32_copy(ext2_u32_list src, ext2_u32_list *dest); | |
626 | extern int ext2fs_u32_list_equal(ext2_u32_list bb1, ext2_u32_list bb2); | |
627 | ||
19c78dc0 TT |
628 | extern errcode_t ext2fs_badblocks_list_create(ext2_badblocks_list *ret, |
629 | int size); | |
19c78dc0 TT |
630 | extern errcode_t ext2fs_badblocks_list_add(ext2_badblocks_list bb, |
631 | blk_t blk); | |
632 | extern int ext2fs_badblocks_list_test(ext2_badblocks_list bb, | |
633 | blk_t blk); | |
7d7bdd57 TT |
634 | extern int ext2fs_u32_list_del(ext2_u32_list bb, __u32 blk); |
635 | extern void ext2fs_badblocks_list_del(ext2_u32_list bb, __u32 blk); | |
19c78dc0 TT |
636 | extern errcode_t |
637 | ext2fs_badblocks_list_iterate_begin(ext2_badblocks_list bb, | |
638 | ext2_badblocks_iterate *ret); | |
639 | extern int ext2fs_badblocks_list_iterate(ext2_badblocks_iterate iter, | |
640 | blk_t *blk); | |
641 | extern void ext2fs_badblocks_list_iterate_end(ext2_badblocks_iterate iter); | |
a29f4d30 TT |
642 | extern errcode_t ext2fs_badblocks_copy(ext2_badblocks_list src, |
643 | ext2_badblocks_list *dest); | |
57dca854 TT |
644 | extern int ext2fs_badblocks_equal(ext2_badblocks_list bb1, |
645 | ext2_badblocks_list bb2); | |
220c0040 | 646 | extern int ext2fs_u32_list_count(ext2_u32_list bb); |
19c78dc0 TT |
647 | |
648 | /* bb_compat */ | |
3839e657 | 649 | extern errcode_t badblocks_list_create(badblocks_list *ret, int size); |
3839e657 TT |
650 | extern errcode_t badblocks_list_add(badblocks_list bb, blk_t blk); |
651 | extern int badblocks_list_test(badblocks_list bb, blk_t blk); | |
652 | extern errcode_t badblocks_list_iterate_begin(badblocks_list bb, | |
653 | badblocks_iterate *ret); | |
654 | extern int badblocks_list_iterate(badblocks_iterate iter, blk_t *blk); | |
655 | extern void badblocks_list_iterate_end(badblocks_iterate iter); | |
a29f4d30 | 656 | extern void badblocks_list_free(badblocks_list bb); |
3839e657 TT |
657 | |
658 | /* bb_inode.c */ | |
659 | extern errcode_t ext2fs_update_bb_inode(ext2_filsys fs, | |
19c78dc0 | 660 | ext2_badblocks_list bb_list); |
3839e657 TT |
661 | |
662 | /* bitmaps.c */ | |
a0553c9d TT |
663 | extern void ext2fs_free_block_bitmap(ext2fs_block_bitmap bitmap); |
664 | extern void ext2fs_free_inode_bitmap(ext2fs_inode_bitmap bitmap); | |
f1f115a7 TT |
665 | extern errcode_t ext2fs_copy_bitmap(ext2fs_generic_bitmap src, |
666 | ext2fs_generic_bitmap *dest); | |
3839e657 TT |
667 | extern errcode_t ext2fs_write_inode_bitmap(ext2_filsys fs); |
668 | extern errcode_t ext2fs_write_block_bitmap (ext2_filsys fs); | |
669 | extern errcode_t ext2fs_read_inode_bitmap (ext2_filsys fs); | |
670 | extern errcode_t ext2fs_read_block_bitmap(ext2_filsys fs); | |
50e1e10f TT |
671 | extern errcode_t ext2fs_allocate_block_bitmap(ext2_filsys fs, |
672 | const char *descr, | |
673 | ext2fs_block_bitmap *ret); | |
674 | extern errcode_t ext2fs_allocate_inode_bitmap(ext2_filsys fs, | |
675 | const char *descr, | |
676 | ext2fs_inode_bitmap *ret); | |
677 | extern errcode_t ext2fs_fudge_inode_bitmap_end(ext2fs_inode_bitmap bitmap, | |
31dbecd4 | 678 | ext2_ino_t end, ext2_ino_t *oend); |
50e1e10f TT |
679 | extern errcode_t ext2fs_fudge_block_bitmap_end(ext2fs_block_bitmap bitmap, |
680 | blk_t end, blk_t *oend); | |
8f82ef98 VAH |
681 | extern errcode_t ext2fs_fudge_block_bitmap_end2(ext2fs_block_bitmap bitmap, |
682 | blk64_t end, blk64_t *oend); | |
50e1e10f TT |
683 | extern void ext2fs_clear_inode_bitmap(ext2fs_inode_bitmap bitmap); |
684 | extern void ext2fs_clear_block_bitmap(ext2fs_block_bitmap bitmap); | |
3839e657 TT |
685 | extern errcode_t ext2fs_read_bitmaps(ext2_filsys fs); |
686 | extern errcode_t ext2fs_write_bitmaps(ext2_filsys fs); | |
50448d3d TT |
687 | extern errcode_t ext2fs_resize_inode_bitmap(__u32 new_end, __u32 new_real_end, |
688 | ext2fs_inode_bitmap bmap); | |
8f82ef98 VAH |
689 | extern errcode_t ext2fs_resize_inode_bitmap2(__u64 new_end, |
690 | __u64 new_real_end, | |
691 | ext2fs_inode_bitmap bmap); | |
50448d3d TT |
692 | extern errcode_t ext2fs_resize_block_bitmap(__u32 new_end, __u32 new_real_end, |
693 | ext2fs_block_bitmap bmap); | |
8f82ef98 VAH |
694 | extern errcode_t ext2fs_resize_block_bitmap2(__u64 new_end, |
695 | __u64 new_real_end, | |
696 | ext2fs_block_bitmap bmap); | |
50448d3d TT |
697 | extern errcode_t ext2fs_compare_block_bitmap(ext2fs_block_bitmap bm1, |
698 | ext2fs_block_bitmap bm2); | |
699 | extern errcode_t ext2fs_compare_inode_bitmap(ext2fs_inode_bitmap bm1, | |
700 | ext2fs_inode_bitmap bm2); | |
f1f115a7 TT |
701 | extern errcode_t ext2fs_set_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
702 | ext2_ino_t start, unsigned int num, | |
703 | void *in); | |
8f82ef98 VAH |
704 | extern errcode_t ext2fs_set_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
705 | __u64 start, size_t num, | |
706 | void *in); | |
f1f115a7 TT |
707 | extern errcode_t ext2fs_get_inode_bitmap_range(ext2fs_inode_bitmap bmap, |
708 | ext2_ino_t start, unsigned int num, | |
709 | void *out); | |
8f82ef98 VAH |
710 | extern errcode_t ext2fs_get_inode_bitmap_range2(ext2fs_inode_bitmap bmap, |
711 | __u64 start, size_t num, | |
712 | void *out); | |
f1f115a7 TT |
713 | extern errcode_t ext2fs_set_block_bitmap_range(ext2fs_block_bitmap bmap, |
714 | blk_t start, unsigned int num, | |
715 | void *in); | |
8f82ef98 VAH |
716 | extern errcode_t ext2fs_set_block_bitmap_range2(ext2fs_block_bitmap bmap, |
717 | blk64_t start, size_t num, | |
718 | void *in); | |
f1f115a7 TT |
719 | extern errcode_t ext2fs_get_block_bitmap_range(ext2fs_block_bitmap bmap, |
720 | blk_t start, unsigned int num, | |
721 | void *out); | |
8f82ef98 VAH |
722 | extern errcode_t ext2fs_get_block_bitmap_range2(ext2fs_block_bitmap bmap, |
723 | blk64_t start, size_t num, | |
724 | void *out); | |
50448d3d | 725 | |
e3854b3b JS |
726 | /* blknum.c */ |
727 | extern dgrp_t ext2fs_group_of_blk2(ext2_filsys fs, blk64_t); | |
728 | extern blk64_t ext2fs_group_first_block2(ext2_filsys fs, dgrp_t group); | |
729 | extern blk64_t ext2fs_group_last_block2(ext2_filsys fs, dgrp_t group); | |
730 | extern blk64_t ext2fs_inode_data_blocks2(ext2_filsys fs, | |
731 | struct ext2_inode *inode); | |
732 | extern blk64_t ext2fs_inode_i_blocks(ext2_filsys fs, | |
733 | struct ext2_inode *inode); | |
734 | extern blk64_t ext2fs_blocks_count(struct ext2_super_block *super); | |
735 | extern void ext2fs_blocks_count_set(struct ext2_super_block *super, | |
736 | blk64_t blk); | |
737 | extern void ext2fs_blocks_count_add(struct ext2_super_block *super, | |
738 | blk64_t blk); | |
739 | extern blk64_t ext2fs_r_blocks_count(struct ext2_super_block *super); | |
740 | extern void ext2fs_r_blocks_count_set(struct ext2_super_block *super, | |
741 | blk64_t blk); | |
742 | extern void ext2fs_r_blocks_count_add(struct ext2_super_block *super, | |
743 | blk64_t blk); | |
744 | extern blk64_t ext2fs_free_blocks_count(struct ext2_super_block *super); | |
745 | extern void ext2fs_free_blocks_count_set(struct ext2_super_block *super, | |
746 | blk64_t blk); | |
747 | extern void ext2fs_free_blocks_count_add(struct ext2_super_block *super, | |
748 | blk64_t blk); | |
749 | /* Block group descriptor accessor functions */ | |
750 | extern struct ext2_group_desc *ext2fs_group_desc(ext2_filsys fs, | |
751 | struct ext2_group_desc *gdp, | |
752 | dgrp_t group); | |
753 | extern blk64_t ext2fs_block_bitmap_loc(ext2_filsys fs, dgrp_t group); | |
754 | extern void ext2fs_block_bitmap_loc_set(ext2_filsys fs, dgrp_t group, | |
755 | blk64_t blk); | |
756 | extern blk64_t ext2fs_inode_bitmap_loc(ext2_filsys fs, dgrp_t group); | |
757 | extern void ext2fs_inode_bitmap_loc_set(ext2_filsys fs, dgrp_t group, | |
758 | blk64_t blk); | |
759 | extern blk64_t ext2fs_inode_table_loc(ext2_filsys fs, dgrp_t group); | |
760 | extern void ext2fs_inode_table_loc_set(ext2_filsys fs, dgrp_t group, | |
761 | blk64_t blk); | |
d62d218f | 762 | extern __u32 ext2fs_bg_free_blocks_count(ext2_filsys fs, dgrp_t group); |
e3854b3b | 763 | extern void ext2fs_bg_free_blocks_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
764 | __u32 n); |
765 | extern __u32 ext2fs_bg_free_inodes_count(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 766 | extern void ext2fs_bg_free_inodes_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
767 | __u32 n); |
768 | extern __u32 ext2fs_bg_used_dirs_count(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 769 | extern void ext2fs_bg_used_dirs_count_set(ext2_filsys fs, dgrp_t group, |
d62d218f ND |
770 | __u32 n); |
771 | extern __u32 ext2fs_bg_itable_unused(ext2_filsys fs, dgrp_t group); | |
e3854b3b | 772 | extern void ext2fs_bg_itable_unused_set(ext2_filsys fs, dgrp_t group, |
d62d218f | 773 | __u32 n); |
e3854b3b | 774 | extern __u16 ext2fs_bg_flags(ext2_filsys fs, dgrp_t group); |
e633b58a | 775 | extern void ext2fs_bg_flags_zap(ext2_filsys fs, dgrp_t group); |
cd65a24e | 776 | extern int ext2fs_bg_flags_test(ext2_filsys fs, dgrp_t group, __u16 bg_flag); |
e633b58a ES |
777 | extern void ext2fs_bg_flags_set(ext2_filsys fs, dgrp_t group, __u16 bg_flags); |
778 | extern void ext2fs_bg_flags_clear(ext2_filsys fs, dgrp_t group, __u16 bg_flags); | |
e3854b3b JS |
779 | extern __u16 ext2fs_bg_checksum(ext2_filsys fs, dgrp_t group); |
780 | extern void ext2fs_bg_checksum_set(ext2_filsys fs, dgrp_t group, __u16 checksum); | |
781 | extern blk64_t ext2fs_file_acl_block(const struct ext2_inode *inode); | |
782 | extern void ext2fs_file_acl_block_set(struct ext2_inode *inode, blk64_t blk); | |
3839e657 TT |
783 | |
784 | /* block.c */ | |
785 | extern errcode_t ext2fs_block_iterate(ext2_filsys fs, | |
31dbecd4 | 786 | ext2_ino_t ino, |
3839e657 TT |
787 | int flags, |
788 | char *block_buf, | |
789 | int (*func)(ext2_filsys fs, | |
790 | blk_t *blocknr, | |
791 | int blockcnt, | |
b5abe6fa TT |
792 | void *priv_data), |
793 | void *priv_data); | |
19c78dc0 | 794 | errcode_t ext2fs_block_iterate2(ext2_filsys fs, |
31dbecd4 | 795 | ext2_ino_t ino, |
674a4ee1 TT |
796 | int flags, |
797 | char *block_buf, | |
798 | int (*func)(ext2_filsys fs, | |
799 | blk_t *blocknr, | |
03673dbb | 800 | e2_blkcnt_t blockcnt, |
674a4ee1 TT |
801 | blk_t ref_blk, |
802 | int ref_offset, | |
803 | void *priv_data), | |
804 | void *priv_data); | |
272631e4 TT |
805 | errcode_t ext2fs_block_iterate3(ext2_filsys fs, |
806 | ext2_ino_t ino, | |
807 | int flags, | |
808 | char *block_buf, | |
809 | int (*func)(ext2_filsys fs, | |
810 | blk64_t *blocknr, | |
811 | e2_blkcnt_t blockcnt, | |
812 | blk64_t ref_blk, | |
813 | int ref_offset, | |
814 | void *priv_data), | |
815 | void *priv_data); | |
19c78dc0 | 816 | |
30fab293 | 817 | /* bmap.c */ |
31dbecd4 | 818 | extern errcode_t ext2fs_bmap(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 819 | struct ext2_inode *inode, |
30fab293 TT |
820 | char *block_buf, int bmap_flags, |
821 | blk_t block, blk_t *phys_blk); | |
efc6f628 | 822 | extern errcode_t ext2fs_bmap2(ext2_filsys fs, ext2_ino_t ino, |
cc9bf5d2 TT |
823 | struct ext2_inode *inode, |
824 | char *block_buf, int bmap_flags, blk64_t block, | |
825 | int *ret_flags, blk64_t *phys_blk); | |
30fab293 | 826 | |
4a31c48b | 827 | #if 0 |
1e1da29f TT |
828 | /* bmove.c */ |
829 | extern errcode_t ext2fs_move_blocks(ext2_filsys fs, | |
830 | ext2fs_block_bitmap reserve, | |
9941fb73 | 831 | ext2fs_block_bitmap alloc_map, |
1e1da29f | 832 | int flags); |
4a31c48b | 833 | #endif |
1e1da29f | 834 | |
f3db3566 TT |
835 | /* check_desc.c */ |
836 | extern errcode_t ext2fs_check_desc(ext2_filsys fs); | |
837 | ||
3839e657 TT |
838 | /* closefs.c */ |
839 | extern errcode_t ext2fs_close(ext2_filsys fs); | |
840 | extern errcode_t ext2fs_flush(ext2_filsys fs); | |
1b4cd9c7 | 841 | extern int ext2fs_bg_has_super(ext2_filsys fs, int group_block); |
71300f35 JS |
842 | extern errcode_t ext2fs_super_and_bgd_loc2(ext2_filsys fs, |
843 | dgrp_t group, | |
844 | blk64_t *ret_super_blk, | |
845 | blk64_t *ret_old_desc_blk, | |
846 | blk64_t *ret_new_desc_blk, | |
847 | blk_t *ret_used_blks); | |
efc6f628 | 848 | extern int ext2fs_super_and_bgd_loc(ext2_filsys fs, |
ef344e13 TT |
849 | dgrp_t group, |
850 | blk_t *ret_super_blk, | |
851 | blk_t *ret_old_desc_blk, | |
852 | blk_t *ret_new_desc_blk, | |
853 | int *ret_meta_bg); | |
1b4cd9c7 | 854 | extern void ext2fs_update_dynamic_rev(ext2_filsys fs); |
3839e657 | 855 | |
ca2634a4 JS |
856 | /* csum.c */ |
857 | extern void ext2fs_group_desc_csum_set(ext2_filsys fs, dgrp_t group); | |
858 | extern int ext2fs_group_desc_csum_verify(ext2_filsys fs, dgrp_t group); | |
f628acea | 859 | extern errcode_t ext2fs_set_gdt_csum(ext2_filsys fs); |
ca2634a4 | 860 | |
19c78dc0 TT |
861 | /* dblist.c */ |
862 | ||
31dbecd4 | 863 | extern errcode_t ext2fs_get_num_dirs(ext2_filsys fs, ext2_ino_t *ret_num_dirs); |
a29f4d30 | 864 | extern errcode_t ext2fs_init_dblist(ext2_filsys fs, ext2_dblist *ret_dblist); |
31dbecd4 | 865 | extern errcode_t ext2fs_add_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 866 | blk_t blk, int blockcnt); |
ab13b5a9 TT |
867 | extern errcode_t ext2fs_add_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
868 | blk64_t blk, e2_blkcnt_t blockcnt); | |
ea1959f0 TT |
869 | extern void ext2fs_dblist_sort(ext2_dblist dblist, |
870 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
871 | const void *)); | |
ab13b5a9 TT |
872 | extern void ext2fs_dblist_sort2(ext2_dblist dblist, |
873 | EXT2_QSORT_TYPE (*sortfunc)(const void *, | |
874 | const void *)); | |
a29f4d30 TT |
875 | extern errcode_t ext2fs_dblist_iterate(ext2_dblist dblist, |
876 | int (*func)(ext2_filsys fs, struct ext2_db_entry *db_info, | |
b5abe6fa TT |
877 | void *priv_data), |
878 | void *priv_data); | |
ab13b5a9 TT |
879 | extern errcode_t ext2fs_dblist_iterate2(ext2_dblist dblist, |
880 | int (*func)(ext2_filsys fs, struct ext2_db_entry2 *db_info, | |
881 | void *priv_data), | |
882 | void *priv_data); | |
31dbecd4 | 883 | extern errcode_t ext2fs_set_dir_block(ext2_dblist dblist, ext2_ino_t ino, |
a29f4d30 | 884 | blk_t blk, int blockcnt); |
ab13b5a9 TT |
885 | extern errcode_t ext2fs_set_dir_block2(ext2_dblist dblist, ext2_ino_t ino, |
886 | blk64_t blk, e2_blkcnt_t blockcnt); | |
a29f4d30 TT |
887 | extern errcode_t ext2fs_copy_dblist(ext2_dblist src, |
888 | ext2_dblist *dest); | |
549860c5 | 889 | extern int ext2fs_dblist_count(ext2_dblist dblist); |
ab13b5a9 | 890 | extern blk64_t ext2fs_dblist_count2(ext2_dblist dblist); |
efc6f628 | 891 | extern errcode_t ext2fs_dblist_get_last(ext2_dblist dblist, |
52b1dd5e | 892 | struct ext2_db_entry **entry); |
ab13b5a9 TT |
893 | extern errcode_t ext2fs_dblist_get_last2(ext2_dblist dblist, |
894 | struct ext2_db_entry2 **entry); | |
52b1dd5e | 895 | extern errcode_t ext2fs_dblist_drop_last(ext2_dblist dblist); |
19c78dc0 TT |
896 | |
897 | /* dblist_dir.c */ | |
898 | extern errcode_t | |
899 | ext2fs_dblist_dir_iterate(ext2_dblist dblist, | |
900 | int flags, | |
901 | char *block_buf, | |
31dbecd4 | 902 | int (*func)(ext2_ino_t dir, |
19c78dc0 TT |
903 | int entry, |
904 | struct ext2_dir_entry *dirent, | |
905 | int offset, | |
906 | int blocksize, | |
907 | char *buf, | |
b5abe6fa TT |
908 | void *priv_data), |
909 | void *priv_data); | |
50e1e10f TT |
910 | |
911 | /* dirblock.c */ | |
912 | extern errcode_t ext2fs_read_dir_block(ext2_filsys fs, blk_t block, | |
913 | void *buf); | |
f9190c8a TT |
914 | extern errcode_t ext2fs_read_dir_block2(ext2_filsys fs, blk_t block, |
915 | void *buf, int flags); | |
57e2467d JS |
916 | extern errcode_t ext2fs_read_dir_block3(ext2_filsys fs, blk64_t block, |
917 | void *buf, int flags); | |
50e1e10f TT |
918 | extern errcode_t ext2fs_write_dir_block(ext2_filsys fs, blk_t block, |
919 | void *buf); | |
f9190c8a TT |
920 | extern errcode_t ext2fs_write_dir_block2(ext2_filsys fs, blk_t block, |
921 | void *buf, int flags); | |
57e2467d JS |
922 | extern errcode_t ext2fs_write_dir_block3(ext2_filsys fs, blk64_t block, |
923 | void *buf, int flags); | |
50e1e10f | 924 | |
52783e0c TT |
925 | /* dirhash.c */ |
926 | extern errcode_t ext2fs_dirhash(int version, const char *name, int len, | |
b33278c4 | 927 | const __u32 *seed, |
503f9e7f TT |
928 | ext2_dirhash_t *ret_hash, |
929 | ext2_dirhash_t *ret_minor_hash); | |
52783e0c TT |
930 | |
931 | ||
19c78dc0 | 932 | /* dir_iterate.c */ |
8a480350 TT |
933 | extern errcode_t ext2fs_get_rec_len(ext2_filsys fs, |
934 | struct ext2_dir_entry *dirent, | |
935 | unsigned int *rec_len); | |
936 | extern errcode_t ext2fs_set_rec_len(ext2_filsys fs, | |
937 | unsigned int len, | |
938 | struct ext2_dir_entry *dirent); | |
efc6f628 | 939 | extern errcode_t ext2fs_dir_iterate(ext2_filsys fs, |
31dbecd4 | 940 | ext2_ino_t dir, |
19c78dc0 TT |
941 | int flags, |
942 | char *block_buf, | |
943 | int (*func)(struct ext2_dir_entry *dirent, | |
944 | int offset, | |
945 | int blocksize, | |
946 | char *buf, | |
b5abe6fa TT |
947 | void *priv_data), |
948 | void *priv_data); | |
efc6f628 | 949 | extern errcode_t ext2fs_dir_iterate2(ext2_filsys fs, |
8bd0c959 TT |
950 | ext2_ino_t dir, |
951 | int flags, | |
952 | char *block_buf, | |
953 | int (*func)(ext2_ino_t dir, | |
954 | int entry, | |
955 | struct ext2_dir_entry *dirent, | |
956 | int offset, | |
957 | int blocksize, | |
958 | char *buf, | |
959 | void *priv_data), | |
960 | void *priv_data); | |
19c78dc0 | 961 | |
a29f4d30 TT |
962 | /* dupfs.c */ |
963 | extern errcode_t ext2fs_dup_handle(ext2_filsys src, ext2_filsys *dest); | |
19c78dc0 | 964 | |
3839e657 | 965 | /* expanddir.c */ |
31dbecd4 | 966 | extern errcode_t ext2fs_expand_dir(ext2_filsys fs, ext2_ino_t dir); |
3839e657 | 967 | |
342d847d | 968 | /* ext_attr.c */ |
fefaef39 AD |
969 | extern __u32 ext2fs_ext_attr_hash_entry(struct ext2_ext_attr_entry *entry, |
970 | void *data); | |
342d847d | 971 | extern errcode_t ext2fs_read_ext_attr(ext2_filsys fs, blk_t block, void *buf); |
b91f14b8 JS |
972 | extern errcode_t ext2fs_read_ext_attr2(ext2_filsys fs, blk64_t block, |
973 | void *buf); | |
0684a4f3 TT |
974 | extern errcode_t ext2fs_write_ext_attr(ext2_filsys fs, blk_t block, |
975 | void *buf); | |
b91f14b8 JS |
976 | extern errcode_t ext2fs_write_ext_attr2(ext2_filsys fs, blk64_t block, |
977 | void *buf); | |
0684a4f3 TT |
978 | extern errcode_t ext2fs_adjust_ea_refcount(ext2_filsys fs, blk_t blk, |
979 | char *block_buf, | |
980 | int adjust, __u32 *newcount); | |
b91f14b8 JS |
981 | extern errcode_t ext2fs_adjust_ea_refcount2(ext2_filsys fs, blk64_t blk, |
982 | char *block_buf, | |
983 | int adjust, __u32 *newcount); | |
0684a4f3 | 984 | |
3eb07f64 TT |
985 | /* extent.c */ |
986 | extern errcode_t ext2fs_extent_header_verify(void *ptr, int size); | |
987 | extern errcode_t ext2fs_extent_open(ext2_filsys fs, ext2_ino_t ino, | |
988 | ext2_extent_handle_t *handle); | |
84b239ae | 989 | extern errcode_t ext2fs_extent_open2(ext2_filsys fs, ext2_ino_t ino, |
990 | struct ext2_inode *inode, | |
991 | ext2_extent_handle_t *ret_handle); | |
2d328bb7 | 992 | extern void ext2fs_extent_free(ext2_extent_handle_t handle); |
3eb07f64 TT |
993 | extern errcode_t ext2fs_extent_get(ext2_extent_handle_t handle, |
994 | int flags, struct ext2fs_extent *extent); | |
995 | extern errcode_t ext2fs_extent_replace(ext2_extent_handle_t handle, int flags, | |
996 | struct ext2fs_extent *extent); | |
997 | extern errcode_t ext2fs_extent_insert(ext2_extent_handle_t handle, int flags, | |
998 | struct ext2fs_extent *extent); | |
f4e9963c ES |
999 | extern errcode_t ext2fs_extent_set_bmap(ext2_extent_handle_t handle, |
1000 | blk64_t logical, blk64_t physical, | |
1001 | int flags); | |
3eb07f64 TT |
1002 | extern errcode_t ext2fs_extent_delete(ext2_extent_handle_t handle, int flags); |
1003 | extern errcode_t ext2fs_extent_get_info(ext2_extent_handle_t handle, | |
1004 | struct ext2_extent_info *info); | |
1005 | extern errcode_t ext2fs_extent_goto(ext2_extent_handle_t handle, | |
1006 | blk64_t blk); | |
1007 | ||
30fab293 | 1008 | /* fileio.c */ |
a435ec34 TT |
1009 | extern errcode_t ext2fs_file_open2(ext2_filsys fs, ext2_ino_t ino, |
1010 | struct ext2_inode *inode, | |
1011 | int flags, ext2_file_t *ret); | |
31dbecd4 | 1012 | extern errcode_t ext2fs_file_open(ext2_filsys fs, ext2_ino_t ino, |
30fab293 | 1013 | int flags, ext2_file_t *ret); |
79a90bda | 1014 | extern ext2_filsys ext2fs_file_get_fs(ext2_file_t file); |
30fab293 | 1015 | extern errcode_t ext2fs_file_close(ext2_file_t file); |
f12e285f | 1016 | extern errcode_t ext2fs_file_flush(ext2_file_t file); |
30fab293 | 1017 | extern errcode_t ext2fs_file_read(ext2_file_t file, void *buf, |
79a90bda | 1018 | unsigned int wanted, unsigned int *got); |
f12e285f | 1019 | extern errcode_t ext2fs_file_write(ext2_file_t file, const void *buf, |
79a90bda | 1020 | unsigned int nbytes, unsigned int *written); |
819157db TT |
1021 | extern errcode_t ext2fs_file_llseek(ext2_file_t file, __u64 offset, |
1022 | int whence, __u64 *ret_pos); | |
674a4ee1 TT |
1023 | extern errcode_t ext2fs_file_lseek(ext2_file_t file, ext2_off_t offset, |
1024 | int whence, ext2_off_t *ret_pos); | |
819157db | 1025 | errcode_t ext2fs_file_get_lsize(ext2_file_t file, __u64 *ret_size); |
79a90bda TT |
1026 | extern ext2_off_t ext2fs_file_get_size(ext2_file_t file); |
1027 | extern errcode_t ext2fs_file_set_size(ext2_file_t file, ext2_off_t size); | |
30fab293 | 1028 | |
de23aa1d TT |
1029 | /* finddev.c */ |
1030 | extern char *ext2fs_find_block_device(dev_t device); | |
1031 | ||
4d0f3e17 TT |
1032 | /* flushb.c */ |
1033 | extern errcode_t ext2fs_sync_device(int fd, int flushb); | |
1034 | ||
3839e657 TT |
1035 | /* freefs.c */ |
1036 | extern void ext2fs_free(ext2_filsys fs); | |
a29f4d30 | 1037 | extern void ext2fs_free_dblist(ext2_dblist dblist); |
b7a00563 TT |
1038 | extern void ext2fs_badblocks_list_free(ext2_badblocks_list bb); |
1039 | extern void ext2fs_u32_list_free(ext2_u32_list bb); | |
50e1e10f | 1040 | |
a0553c9d TT |
1041 | /* gen_bitmap.c */ |
1042 | extern void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap); | |
efc6f628 TT |
1043 | extern errcode_t ext2fs_make_generic_bitmap(errcode_t magic, ext2_filsys fs, |
1044 | __u32 start, __u32 end, | |
a0553c9d TT |
1045 | __u32 real_end, |
1046 | const char *descr, char *init_map, | |
1047 | ext2fs_generic_bitmap *ret); | |
1048 | extern errcode_t ext2fs_allocate_generic_bitmap(__u32 start, | |
1049 | __u32 end, | |
1050 | __u32 real_end, | |
1051 | const char *descr, | |
1052 | ext2fs_generic_bitmap *ret); | |
1053 | extern errcode_t ext2fs_copy_generic_bitmap(ext2fs_generic_bitmap src, | |
1054 | ext2fs_generic_bitmap *dest); | |
1055 | extern void ext2fs_clear_generic_bitmap(ext2fs_generic_bitmap bitmap); | |
1056 | extern errcode_t ext2fs_fudge_generic_bitmap_end(ext2fs_inode_bitmap bitmap, | |
efc6f628 | 1057 | errcode_t magic, |
a0553c9d | 1058 | errcode_t neq, |
efc6f628 | 1059 | ext2_ino_t end, |
a0553c9d TT |
1060 | ext2_ino_t *oend); |
1061 | extern void ext2fs_set_generic_bitmap_padding(ext2fs_generic_bitmap map); | |
50448d3d TT |
1062 | extern errcode_t ext2fs_resize_generic_bitmap(errcode_t magic, |
1063 | __u32 new_end, | |
1064 | __u32 new_real_end, | |
1065 | ext2fs_generic_bitmap bmap); | |
1066 | extern errcode_t ext2fs_compare_generic_bitmap(errcode_t magic, errcode_t neq, | |
1067 | ext2fs_generic_bitmap bm1, | |
1068 | ext2fs_generic_bitmap bm2); | |
f1f115a7 TT |
1069 | extern errcode_t ext2fs_get_generic_bitmap_range(ext2fs_generic_bitmap bmap, |
1070 | errcode_t magic, | |
1071 | __u32 start, __u32 num, | |
1072 | void *out); | |
1073 | extern errcode_t ext2fs_set_generic_bitmap_range(ext2fs_generic_bitmap bmap, | |
1074 | errcode_t magic, | |
1075 | __u32 start, __u32 num, | |
1076 | void *in); | |
a0553c9d | 1077 | |
8f82ef98 VAH |
1078 | /* gen_bitmap64.c */ |
1079 | void ext2fs_free_generic_bmap(ext2fs_generic_bitmap bmap); | |
1080 | errcode_t ext2fs_alloc_generic_bmap(ext2_filsys fs, errcode_t magic, | |
1081 | int type, __u64 start, __u64 end, | |
1082 | __u64 real_end, | |
1083 | const char *descr, | |
1084 | ext2fs_generic_bitmap *ret); | |
1085 | errcode_t ext2fs_copy_generic_bmap(ext2fs_generic_bitmap src, | |
1086 | ext2fs_generic_bitmap *dest); | |
1087 | void ext2fs_clear_generic_bmap(ext2fs_generic_bitmap bitmap); | |
1088 | errcode_t ext2fs_fudge_generic_bmap_end(ext2fs_generic_bitmap bitmap, | |
1089 | errcode_t neq, | |
1090 | __u64 end, __u64 *oend); | |
1091 | void ext2fs_set_generic_bmap_padding(ext2fs_generic_bitmap bmap); | |
1092 | errcode_t ext2fs_resize_generic_bmap(ext2fs_generic_bitmap bmap, | |
1093 | __u64 new_end, | |
1094 | __u64 new_real_end); | |
1095 | errcode_t ext2fs_compare_generic_bmap(errcode_t neq, | |
1096 | ext2fs_generic_bitmap bm1, | |
1097 | ext2fs_generic_bitmap bm2); | |
1098 | errcode_t ext2fs_get_generic_bmap_range(ext2fs_generic_bitmap bmap, | |
1099 | __u64 start, unsigned int num, | |
1100 | void *out); | |
1101 | errcode_t ext2fs_set_generic_bmap_range(ext2fs_generic_bitmap bmap, | |
1102 | __u64 start, unsigned int num, | |
1103 | void *in); | |
1104 | ||
50e1e10f TT |
1105 | /* getsize.c */ |
1106 | extern errcode_t ext2fs_get_device_size(const char *file, int blocksize, | |
1107 | blk_t *retblocks); | |
beab8de4 JS |
1108 | extern errcode_t ext2fs_get_device_size2(const char *file, int blocksize, |
1109 | blk64_t *retblocks); | |
3839e657 | 1110 | |
93d5c387 TT |
1111 | /* getsectsize.c */ |
1112 | errcode_t ext2fs_get_device_sectsize(const char *file, int *sectsize); | |
bb1158b9 | 1113 | errcode_t ext2fs_get_device_phys_sectsize(const char *file, int *sectsize); |
93d5c387 | 1114 | |
1ca1059f TT |
1115 | /* i_block.c */ |
1116 | errcode_t ext2fs_iblk_add_blocks(ext2_filsys fs, struct ext2_inode *inode, | |
1117 | blk64_t num_blocks); | |
1118 | errcode_t ext2fs_iblk_sub_blocks(ext2_filsys fs, struct ext2_inode *inode, | |
1119 | blk64_t num_blocks); | |
1120 | errcode_t ext2fs_iblk_set(ext2_filsys fs, struct ext2_inode *inode, blk64_t b); | |
1121 | ||
72ed1264 TT |
1122 | /* imager.c */ |
1123 | extern errcode_t ext2fs_image_inode_write(ext2_filsys fs, int fd, int flags); | |
1124 | extern errcode_t ext2fs_image_inode_read(ext2_filsys fs, int fd, int flags); | |
1125 | extern errcode_t ext2fs_image_super_write(ext2_filsys fs, int fd, int flags); | |
1126 | extern errcode_t ext2fs_image_super_read(ext2_filsys fs, int fd, int flags); | |
1127 | extern errcode_t ext2fs_image_bitmap_write(ext2_filsys fs, int fd, int flags); | |
1128 | extern errcode_t ext2fs_image_bitmap_read(ext2_filsys fs, int fd, int flags); | |
1129 | ||
dc8ce346 TT |
1130 | /* ind_block.c */ |
1131 | errcode_t ext2fs_read_ind_block(ext2_filsys fs, blk_t blk, void *buf); | |
1132 | errcode_t ext2fs_write_ind_block(ext2_filsys fs, blk_t blk, void *buf); | |
1133 | ||
3839e657 TT |
1134 | /* initialize.c */ |
1135 | extern errcode_t ext2fs_initialize(const char *name, int flags, | |
1136 | struct ext2_super_block *param, | |
1137 | io_manager manager, ext2_filsys *ret_fs); | |
1138 | ||
f12e285f TT |
1139 | /* icount.c */ |
1140 | extern void ext2fs_free_icount(ext2_icount_t icount); | |
1b9d8cb7 TT |
1141 | extern errcode_t ext2fs_create_icount_tdb(ext2_filsys fs, char *tdb_dir, |
1142 | int flags, ext2_icount_t *ret); | |
efc6f628 | 1143 | extern errcode_t ext2fs_create_icount2(ext2_filsys fs, int flags, |
54434927 | 1144 | unsigned int size, |
f12e285f | 1145 | ext2_icount_t hint, ext2_icount_t *ret); |
efc6f628 | 1146 | extern errcode_t ext2fs_create_icount(ext2_filsys fs, int flags, |
54434927 | 1147 | unsigned int size, |
f12e285f TT |
1148 | ext2_icount_t *ret); |
1149 | extern errcode_t ext2fs_icount_fetch(ext2_icount_t icount, ext2_ino_t ino, | |
1150 | __u16 *ret); | |
1151 | extern errcode_t ext2fs_icount_increment(ext2_icount_t icount, ext2_ino_t ino, | |
1152 | __u16 *ret); | |
1153 | extern errcode_t ext2fs_icount_decrement(ext2_icount_t icount, ext2_ino_t ino, | |
1154 | __u16 *ret); | |
1155 | extern errcode_t ext2fs_icount_store(ext2_icount_t icount, ext2_ino_t ino, | |
1156 | __u16 count); | |
1157 | extern ext2_ino_t ext2fs_get_icount_size(ext2_icount_t icount); | |
1158 | errcode_t ext2fs_icount_validate(ext2_icount_t icount, FILE *); | |
1159 | ||
3839e657 | 1160 | /* inode.c */ |
72ed1264 | 1161 | extern errcode_t ext2fs_flush_icache(ext2_filsys fs); |
efc6f628 | 1162 | extern errcode_t ext2fs_get_next_inode_full(ext2_inode_scan scan, |
7331196a | 1163 | ext2_ino_t *ino, |
efc6f628 | 1164 | struct ext2_inode *inode, |
7331196a | 1165 | int bufsize); |
3839e657 TT |
1166 | extern errcode_t ext2fs_open_inode_scan(ext2_filsys fs, int buffer_blocks, |
1167 | ext2_inode_scan *ret_scan); | |
1168 | extern void ext2fs_close_inode_scan(ext2_inode_scan scan); | |
31dbecd4 | 1169 | extern errcode_t ext2fs_get_next_inode(ext2_inode_scan scan, ext2_ino_t *ino, |
3839e657 | 1170 | struct ext2_inode *inode); |
19c78dc0 TT |
1171 | extern errcode_t ext2fs_inode_scan_goto_blockgroup(ext2_inode_scan scan, |
1172 | int group); | |
1173 | extern void ext2fs_set_inode_callback | |
1174 | (ext2_inode_scan scan, | |
1175 | errcode_t (*done_group)(ext2_filsys fs, | |
1176 | ext2_inode_scan scan, | |
1177 | dgrp_t group, | |
b5abe6fa | 1178 | void * priv_data), |
19c78dc0 TT |
1179 | void *done_group_data); |
1180 | extern int ext2fs_inode_scan_flags(ext2_inode_scan scan, int set_flags, | |
1181 | int clear_flags); | |
7331196a | 1182 | extern errcode_t ext2fs_read_inode_full(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1183 | struct ext2_inode * inode, |
7331196a | 1184 | int bufsize); |
31dbecd4 | 1185 | extern errcode_t ext2fs_read_inode (ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 1186 | struct ext2_inode * inode); |
7331196a | 1187 | extern errcode_t ext2fs_write_inode_full(ext2_filsys fs, ext2_ino_t ino, |
efc6f628 | 1188 | struct ext2_inode * inode, |
7331196a | 1189 | int bufsize); |
31dbecd4 | 1190 | extern errcode_t ext2fs_write_inode(ext2_filsys fs, ext2_ino_t ino, |
3839e657 | 1191 | struct ext2_inode * inode); |
030970ed TT |
1192 | extern errcode_t ext2fs_write_new_inode(ext2_filsys fs, ext2_ino_t ino, |
1193 | struct ext2_inode * inode); | |
31dbecd4 TT |
1194 | extern errcode_t ext2fs_get_blocks(ext2_filsys fs, ext2_ino_t ino, blk_t *blocks); |
1195 | extern errcode_t ext2fs_check_directory(ext2_filsys fs, ext2_ino_t ino); | |
3839e657 | 1196 | |
f12e285f TT |
1197 | /* inode_io.c */ |
1198 | extern io_manager inode_io_manager; | |
efc6f628 | 1199 | extern errcode_t ext2fs_inode_io_intern(ext2_filsys fs, ext2_ino_t ino, |
546a1ff1 | 1200 | char **name); |
a435ec34 TT |
1201 | extern errcode_t ext2fs_inode_io_intern2(ext2_filsys fs, ext2_ino_t ino, |
1202 | struct ext2_inode *inode, | |
1203 | char **name); | |
efc6f628 | 1204 | |
50e1e10f TT |
1205 | /* ismounted.c */ |
1206 | extern errcode_t ext2fs_check_if_mounted(const char *file, int *mount_flags); | |
43ec8734 TT |
1207 | extern errcode_t ext2fs_check_mount_point(const char *device, int *mount_flags, |
1208 | char *mtpt, int mtlen); | |
50e1e10f | 1209 | |
3839e657 | 1210 | /* namei.c */ |
31dbecd4 TT |
1211 | extern errcode_t ext2fs_lookup(ext2_filsys fs, ext2_ino_t dir, const char *name, |
1212 | int namelen, char *buf, ext2_ino_t *inode); | |
1213 | extern errcode_t ext2fs_namei(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1214 | const char *name, ext2_ino_t *inode); | |
1215 | errcode_t ext2fs_namei_follow(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1216 | const char *name, ext2_ino_t *inode); | |
1217 | extern errcode_t ext2fs_follow_link(ext2_filsys fs, ext2_ino_t root, ext2_ino_t cwd, | |
1218 | ext2_ino_t inode, ext2_ino_t *res_inode); | |
1e3472c5 TT |
1219 | |
1220 | /* native.c */ | |
1221 | int ext2fs_native_flag(void); | |
3839e657 TT |
1222 | |
1223 | /* newdir.c */ | |
31dbecd4 TT |
1224 | extern errcode_t ext2fs_new_dir_block(ext2_filsys fs, ext2_ino_t dir_ino, |
1225 | ext2_ino_t parent_ino, char **block); | |
3839e657 TT |
1226 | |
1227 | /* mkdir.c */ | |
31dbecd4 | 1228 | extern errcode_t ext2fs_mkdir(ext2_filsys fs, ext2_ino_t parent, ext2_ino_t inum, |
3839e657 TT |
1229 | const char *name); |
1230 | ||
d3cd93ca | 1231 | /* mkjournal.c */ |
c8608504 TT |
1232 | extern errcode_t ext2fs_zero_blocks(ext2_filsys fs, blk_t blk, int num, |
1233 | blk_t *ret_blk, int *ret_count); | |
73d0c4cc JS |
1234 | extern errcode_t ext2fs_zero_blocks2(ext2_filsys fs, blk64_t blk, int num, |
1235 | blk64_t *ret_blk, int *ret_count); | |
a112847b TT |
1236 | extern errcode_t ext2fs_create_journal_superblock(ext2_filsys fs, |
1237 | __u32 size, int flags, | |
1238 | char **ret_jsb); | |
1239 | extern errcode_t ext2fs_add_journal_device(ext2_filsys fs, | |
1240 | ext2_filsys journal_dev); | |
31a17b36 TT |
1241 | extern errcode_t ext2fs_add_journal_inode(ext2_filsys fs, blk_t size, |
1242 | int flags); | |
56d12367 | 1243 | extern int ext2fs_default_journal_size(__u64 blocks); |
d3cd93ca | 1244 | |
3839e657 TT |
1245 | /* openfs.c */ |
1246 | extern errcode_t ext2fs_open(const char *name, int flags, int superblock, | |
54434927 | 1247 | unsigned int block_size, io_manager manager, |
3839e657 | 1248 | ext2_filsys *ret_fs); |
efc6f628 TT |
1249 | extern errcode_t ext2fs_open2(const char *name, const char *io_options, |
1250 | int flags, int superblock, | |
2e8ca9a2 TT |
1251 | unsigned int block_size, io_manager manager, |
1252 | ext2_filsys *ret_fs); | |
4f8d6ab2 JS |
1253 | extern blk64_t ext2fs_descriptor_block_loc2(ext2_filsys fs, |
1254 | blk64_t group_block, dgrp_t i); | |
efc6f628 | 1255 | extern blk_t ext2fs_descriptor_block_loc(ext2_filsys fs, blk_t group_block, |
c046ac7f | 1256 | dgrp_t i); |
1ad54a94 TT |
1257 | errcode_t ext2fs_get_data_io(ext2_filsys fs, io_channel *old_io); |
1258 | errcode_t ext2fs_set_data_io(ext2_filsys fs, io_channel new_io); | |
1259 | errcode_t ext2fs_rewrite_to_io(ext2_filsys fs, io_channel new_io); | |
3839e657 TT |
1260 | |
1261 | /* get_pathname.c */ | |
31dbecd4 | 1262 | extern errcode_t ext2fs_get_pathname(ext2_filsys fs, ext2_ino_t dir, ext2_ino_t ino, |
3839e657 TT |
1263 | char **name); |
1264 | ||
1265 | /* link.c */ | |
31dbecd4 TT |
1266 | errcode_t ext2fs_link(ext2_filsys fs, ext2_ino_t dir, const char *name, |
1267 | ext2_ino_t ino, int flags); | |
1268 | errcode_t ext2fs_unlink(ext2_filsys fs, ext2_ino_t dir, const char *name, | |
1269 | ext2_ino_t ino, int flags); | |
3839e657 TT |
1270 | |
1271 | /* read_bb.c */ | |
19c78dc0 TT |
1272 | extern errcode_t ext2fs_read_bb_inode(ext2_filsys fs, |
1273 | ext2_badblocks_list *bb_list); | |
3839e657 TT |
1274 | |
1275 | /* read_bb_file.c */ | |
efc6f628 | 1276 | extern errcode_t ext2fs_read_bb_FILE2(ext2_filsys fs, FILE *f, |
57dca854 | 1277 | ext2_badblocks_list *bb_list, |
50cd7e06 | 1278 | void *priv_data, |
57dca854 TT |
1279 | void (*invalid)(ext2_filsys fs, |
1280 | blk_t blk, | |
1281 | char *badstr, | |
50cd7e06 | 1282 | void *priv_data)); |
efc6f628 | 1283 | extern errcode_t ext2fs_read_bb_FILE(ext2_filsys fs, FILE *f, |
19c78dc0 | 1284 | ext2_badblocks_list *bb_list, |
3839e657 TT |
1285 | void (*invalid)(ext2_filsys fs, |
1286 | blk_t blk)); | |
1287 | ||
d323f8fb TT |
1288 | /* res_gdt.c */ |
1289 | extern errcode_t ext2fs_create_resize_inode(ext2_filsys fs); | |
1290 | ||
50e1e10f | 1291 | /* swapfs.c */ |
efc6f628 | 1292 | extern void ext2fs_swap_ext_attr(char *to, char *from, int bufsize, |
7331196a | 1293 | int has_header); |
fefaef39 AD |
1294 | extern void ext2fs_swap_ext_attr_header(struct ext2_ext_attr_header *to_header, |
1295 | struct ext2_ext_attr_header *from_hdr); | |
1296 | extern void ext2fs_swap_ext_attr_entry(struct ext2_ext_attr_entry *to_entry, | |
1297 | struct ext2_ext_attr_entry *from_entry); | |
50e1e10f TT |
1298 | extern void ext2fs_swap_super(struct ext2_super_block * super); |
1299 | extern void ext2fs_swap_group_desc(struct ext2_group_desc *gdp); | |
cf828f1a | 1300 | extern void ext2fs_swap_group_desc2(ext2_filsys, struct ext2_group_desc *gdp); |
7331196a TT |
1301 | extern void ext2fs_swap_inode_full(ext2_filsys fs, struct ext2_inode_large *t, |
1302 | struct ext2_inode_large *f, int hostorder, | |
1303 | int bufsize); | |
1e3472c5 TT |
1304 | extern void ext2fs_swap_inode(ext2_filsys fs,struct ext2_inode *t, |
1305 | struct ext2_inode *f, int hostorder); | |
1306 | ||
19c78dc0 | 1307 | /* valid_blk.c */ |
521e3685 TT |
1308 | extern int ext2fs_inode_has_valid_blocks(struct ext2_inode *inode); |
1309 | ||
1310 | /* version.c */ | |
1311 | extern int ext2fs_parse_version_string(const char *ver_string); | |
1312 | extern int ext2fs_get_library_version(const char **ver_string, | |
1313 | const char **date_string); | |
50e1e10f | 1314 | |
31dbecd4 TT |
1315 | /* write_bb_file.c */ |
1316 | extern errcode_t ext2fs_write_bb_FILE(ext2_badblocks_list bb_list, | |
1317 | unsigned int flags, | |
1318 | FILE *f); | |
1319 | ||
1320 | ||
3839e657 | 1321 | /* inline functions */ |
c4e3d3f3 | 1322 | extern errcode_t ext2fs_get_mem(unsigned long size, void *ptr); |
ee01079a | 1323 | extern errcode_t ext2fs_get_array(unsigned long count, unsigned long size, void *ptr); |
c4e3d3f3 | 1324 | extern errcode_t ext2fs_free_mem(void *ptr); |
76f875da | 1325 | extern errcode_t ext2fs_resize_mem(unsigned long old_size, |
c4e3d3f3 | 1326 | unsigned long size, void *ptr); |
3839e657 TT |
1327 | extern void ext2fs_mark_super_dirty(ext2_filsys fs); |
1328 | extern void ext2fs_mark_changed(ext2_filsys fs); | |
1329 | extern int ext2fs_test_changed(ext2_filsys fs); | |
1330 | extern void ext2fs_mark_valid(ext2_filsys fs); | |
1331 | extern void ext2fs_unmark_valid(ext2_filsys fs); | |
1332 | extern int ext2fs_test_valid(ext2_filsys fs); | |
1333 | extern void ext2fs_mark_ib_dirty(ext2_filsys fs); | |
1334 | extern void ext2fs_mark_bb_dirty(ext2_filsys fs); | |
1335 | extern int ext2fs_test_ib_dirty(ext2_filsys fs); | |
1336 | extern int ext2fs_test_bb_dirty(ext2_filsys fs); | |
1337 | extern int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk); | |
31dbecd4 | 1338 | extern int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino); |
abf23439 ES |
1339 | extern blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group); |
1340 | extern blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group); | |
0684a4f3 TT |
1341 | extern blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
1342 | struct ext2_inode *inode); | |
69022e02 | 1343 | extern unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b); |
743011fb | 1344 | extern __u64 ext2fs_div64_ceil(__u64 a, __u64 b); |
3839e657 TT |
1345 | |
1346 | /* | |
1347 | * The actual inlined functions definitions themselves... | |
1348 | * | |
1349 | * If NO_INLINE_FUNCS is defined, then we won't try to do inline | |
1350 | * functions at all! | |
1351 | */ | |
1352 | #if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS)) | |
1353 | #ifdef INCLUDE_INLINE_FUNCS | |
1354 | #define _INLINE_ extern | |
1355 | #else | |
76f875da | 1356 | #ifdef __GNUC__ |
3839e657 | 1357 | #define _INLINE_ extern __inline__ |
76f875da TT |
1358 | #else /* For Watcom C */ |
1359 | #define _INLINE_ extern inline | |
1360 | #endif | |
3839e657 TT |
1361 | #endif |
1362 | ||
7b4e4534 | 1363 | #ifndef EXT2_CUSTOM_MEMORY_ROUTINES |
68a7f959 | 1364 | #include <string.h> |
7b4e4534 TT |
1365 | /* |
1366 | * Allocate memory | |
1367 | */ | |
c4e3d3f3 | 1368 | _INLINE_ errcode_t ext2fs_get_mem(unsigned long size, void *ptr) |
7b4e4534 | 1369 | { |
2694f319 | 1370 | void *pp; |
c4e3d3f3 | 1371 | |
2694f319 TT |
1372 | pp = malloc(size); |
1373 | if (!pp) | |
291c9049 | 1374 | return EXT2_ET_NO_MEMORY; |
2694f319 | 1375 | memcpy(ptr, &pp, sizeof (pp)); |
7b4e4534 TT |
1376 | return 0; |
1377 | } | |
e5aace90 | 1378 | |
ee01079a TT |
1379 | _INLINE_ errcode_t ext2fs_get_array(unsigned long count, unsigned long size, void *ptr) |
1380 | { | |
1381 | if (count && (-1UL)/count<size) | |
1382 | return EXT2_ET_NO_MEMORY; //maybe define EXT2_ET_OVERFLOW ? | |
1383 | return ext2fs_get_mem(count*size, ptr); | |
1384 | } | |
7b4e4534 TT |
1385 | |
1386 | /* | |
1387 | * Free memory | |
1388 | */ | |
c4e3d3f3 | 1389 | _INLINE_ errcode_t ext2fs_free_mem(void *ptr) |
7b4e4534 | 1390 | { |
2694f319 | 1391 | void *p; |
c4e3d3f3 | 1392 | |
2694f319 TT |
1393 | memcpy(&p, ptr, sizeof(p)); |
1394 | free(p); | |
1395 | p = 0; | |
1396 | memcpy(ptr, &p, sizeof(p)); | |
7b4e4534 TT |
1397 | return 0; |
1398 | } | |
efc6f628 | 1399 | |
7b4e4534 TT |
1400 | /* |
1401 | * Resize memory | |
1402 | */ | |
e47fd841 | 1403 | _INLINE_ errcode_t ext2fs_resize_mem(unsigned long EXT2FS_ATTR((unused)) old_size, |
c4e3d3f3 | 1404 | unsigned long size, void *ptr) |
7b4e4534 TT |
1405 | { |
1406 | void *p; | |
1407 | ||
39c191f5 ST |
1408 | /* Use "memcpy" for pointer assignments here to avoid problems |
1409 | * with C99 strict type aliasing rules. */ | |
2694f319 | 1410 | memcpy(&p, ptr, sizeof(p)); |
39c191f5 | 1411 | p = realloc(p, size); |
7b4e4534 | 1412 | if (!p) |
291c9049 | 1413 | return EXT2_ET_NO_MEMORY; |
2694f319 | 1414 | memcpy(ptr, &p, sizeof(p)); |
7b4e4534 TT |
1415 | return 0; |
1416 | } | |
1417 | #endif /* Custom memory routines */ | |
1418 | ||
3839e657 TT |
1419 | /* |
1420 | * Mark a filesystem superblock as dirty | |
1421 | */ | |
1422 | _INLINE_ void ext2fs_mark_super_dirty(ext2_filsys fs) | |
1423 | { | |
1424 | fs->flags |= EXT2_FLAG_DIRTY | EXT2_FLAG_CHANGED; | |
1425 | } | |
1426 | ||
1427 | /* | |
1428 | * Mark a filesystem as changed | |
1429 | */ | |
1430 | _INLINE_ void ext2fs_mark_changed(ext2_filsys fs) | |
1431 | { | |
1432 | fs->flags |= EXT2_FLAG_CHANGED; | |
1433 | } | |
1434 | ||
1435 | /* | |
1436 | * Check to see if a filesystem has changed | |
1437 | */ | |
1438 | _INLINE_ int ext2fs_test_changed(ext2_filsys fs) | |
1439 | { | |
1440 | return (fs->flags & EXT2_FLAG_CHANGED); | |
1441 | } | |
1442 | ||
1443 | /* | |
1444 | * Mark a filesystem as valid | |
1445 | */ | |
1446 | _INLINE_ void ext2fs_mark_valid(ext2_filsys fs) | |
1447 | { | |
1448 | fs->flags |= EXT2_FLAG_VALID; | |
1449 | } | |
1450 | ||
1451 | /* | |
1452 | * Mark a filesystem as NOT valid | |
1453 | */ | |
1454 | _INLINE_ void ext2fs_unmark_valid(ext2_filsys fs) | |
1455 | { | |
1456 | fs->flags &= ~EXT2_FLAG_VALID; | |
1457 | } | |
1458 | ||
1459 | /* | |
1460 | * Check to see if a filesystem is valid | |
1461 | */ | |
1462 | _INLINE_ int ext2fs_test_valid(ext2_filsys fs) | |
1463 | { | |
1464 | return (fs->flags & EXT2_FLAG_VALID); | |
1465 | } | |
1466 | ||
1467 | /* | |
1468 | * Mark the inode bitmap as dirty | |
1469 | */ | |
1470 | _INLINE_ void ext2fs_mark_ib_dirty(ext2_filsys fs) | |
1471 | { | |
1472 | fs->flags |= EXT2_FLAG_IB_DIRTY | EXT2_FLAG_CHANGED; | |
1473 | } | |
1474 | ||
1475 | /* | |
1476 | * Mark the block bitmap as dirty | |
1477 | */ | |
1478 | _INLINE_ void ext2fs_mark_bb_dirty(ext2_filsys fs) | |
1479 | { | |
1480 | fs->flags |= EXT2_FLAG_BB_DIRTY | EXT2_FLAG_CHANGED; | |
1481 | } | |
1482 | ||
1483 | /* | |
1484 | * Check to see if a filesystem's inode bitmap is dirty | |
1485 | */ | |
1486 | _INLINE_ int ext2fs_test_ib_dirty(ext2_filsys fs) | |
1487 | { | |
1488 | return (fs->flags & EXT2_FLAG_IB_DIRTY); | |
1489 | } | |
1490 | ||
1491 | /* | |
1492 | * Check to see if a filesystem's block bitmap is dirty | |
1493 | */ | |
1494 | _INLINE_ int ext2fs_test_bb_dirty(ext2_filsys fs) | |
1495 | { | |
1496 | return (fs->flags & EXT2_FLAG_BB_DIRTY); | |
1497 | } | |
1498 | ||
1499 | /* | |
1500 | * Return the group # of a block | |
1501 | */ | |
1502 | _INLINE_ int ext2fs_group_of_blk(ext2_filsys fs, blk_t blk) | |
1503 | { | |
e3854b3b | 1504 | return ext2fs_group_of_blk2(fs, blk); |
3839e657 | 1505 | } |
3839e657 TT |
1506 | /* |
1507 | * Return the group # of an inode number | |
1508 | */ | |
31dbecd4 | 1509 | _INLINE_ int ext2fs_group_of_ino(ext2_filsys fs, ext2_ino_t ino) |
3839e657 TT |
1510 | { |
1511 | return (ino - 1) / fs->super->s_inodes_per_group; | |
1512 | } | |
0684a4f3 | 1513 | |
abf23439 ES |
1514 | /* |
1515 | * Return the first block (inclusive) in a group | |
1516 | */ | |
1517 | _INLINE_ blk_t ext2fs_group_first_block(ext2_filsys fs, dgrp_t group) | |
1518 | { | |
e3854b3b | 1519 | return ext2fs_group_first_block2(fs, group); |
abf23439 ES |
1520 | } |
1521 | ||
1522 | /* | |
1523 | * Return the last block (inclusive) in a group | |
1524 | */ | |
1525 | _INLINE_ blk_t ext2fs_group_last_block(ext2_filsys fs, dgrp_t group) | |
1526 | { | |
e3854b3b | 1527 | return ext2fs_group_last_block2(fs, group); |
abf23439 ES |
1528 | } |
1529 | ||
0684a4f3 TT |
1530 | _INLINE_ blk_t ext2fs_inode_data_blocks(ext2_filsys fs, |
1531 | struct ext2_inode *inode) | |
1532 | { | |
e3854b3b | 1533 | return ext2fs_inode_data_blocks2(fs, inode); |
0684a4f3 | 1534 | } |
69022e02 TT |
1535 | |
1536 | /* | |
1537 | * This is an efficient, overflow safe way of calculating ceil((1.0 * a) / b) | |
1538 | */ | |
1539 | _INLINE_ unsigned int ext2fs_div_ceil(unsigned int a, unsigned int b) | |
1540 | { | |
1541 | if (!a) | |
1542 | return 0; | |
1543 | return ((a - 1) / b) + 1; | |
1544 | } | |
743011fb JS |
1545 | |
1546 | _INLINE_ __u64 ext2fs_div64_ceil(__u64 a, __u64 b) | |
1547 | { | |
1548 | if (!a) | |
1549 | return 0; | |
1550 | return ((a - 1) / b) + 1; | |
1551 | } | |
1552 | ||
3839e657 TT |
1553 | #undef _INLINE_ |
1554 | #endif | |
1555 | ||
fa7ef717 TT |
1556 | #ifdef __cplusplus |
1557 | } | |
1558 | #endif | |
1559 | ||
9abd2ce9 | 1560 | #endif /* _EXT2FS_EXT2FS_H */ |