1 /*
2 * bitops.h --- Bitmap frobbing code. The byte swapping routines are
3 * also included here.
4 *
5 * Copyright (C) 1993, 1994, 1995, 1996 Theodore Ts'o.
6 *
7 * %Begin-Header%
8 * This file may be redistributed under the terms of the GNU Library
9 * General Public License, version 2.
10 * %End-Header%
11 */
12
13 #ifdef WORDS_BIGENDIAN
14 #define ext2fs_cpu_to_le64(x) ext2fs_swab64((x))
15 #define ext2fs_le64_to_cpu(x) ext2fs_swab64((x))
16 #define ext2fs_cpu_to_le32(x) ext2fs_swab32((x))
17 #define ext2fs_le32_to_cpu(x) ext2fs_swab32((x))
18 #define ext2fs_cpu_to_le16(x) ext2fs_swab16((x))
19 #define ext2fs_le16_to_cpu(x) ext2fs_swab16((x))
20 #define ext2fs_cpu_to_be64(x) ((__u64)(x))
21 #define ext2fs_be64_to_cpu(x) ((__u64)(x))
22 #define ext2fs_cpu_to_be32(x) ((__u32)(x))
23 #define ext2fs_be32_to_cpu(x) ((__u32)(x))
24 #define ext2fs_cpu_to_be16(x) ((__u16)(x))
25 #define ext2fs_be16_to_cpu(x) ((__u16)(x))
26 #else
27 #define ext2fs_cpu_to_le64(x) ((__u64)(x))
28 #define ext2fs_le64_to_cpu(x) ((__u64)(x))
29 #define ext2fs_cpu_to_le32(x) ((__u32)(x))
30 #define ext2fs_le32_to_cpu(x) ((__u32)(x))
31 #define ext2fs_cpu_to_le16(x) ((__u16)(x))
32 #define ext2fs_le16_to_cpu(x) ((__u16)(x))
33 #define ext2fs_cpu_to_be64(x) ext2fs_swab64((x))
34 #define ext2fs_be64_to_cpu(x) ext2fs_swab64((x))
35 #define ext2fs_cpu_to_be32(x) ext2fs_swab32((x))
36 #define ext2fs_be32_to_cpu(x) ext2fs_swab32((x))
37 #define ext2fs_cpu_to_be16(x) ext2fs_swab16((x))
38 #define ext2fs_be16_to_cpu(x) ext2fs_swab16((x))
39 #endif
40
41 /*
42 * EXT2FS bitmap manipulation routines.
43 */
44
45 /* Support for sending warning messages from the inline subroutines */
46 extern const char *ext2fs_block_string;
47 extern const char *ext2fs_inode_string;
48 extern const char *ext2fs_mark_string;
49 extern const char *ext2fs_unmark_string;
50 extern const char *ext2fs_test_string;
51 extern void ext2fs_warn_bitmap(errcode_t errcode, unsigned long arg,
52 const char *description);
53 extern void ext2fs_warn_bitmap2(ext2fs_generic_bitmap bitmap,
54 int code, unsigned long arg);
55
56 #ifdef NO_INLINE_FUNCS
57 extern void ext2fs_fast_set_bit(unsigned int nr,void * addr);
58 extern void ext2fs_fast_clear_bit(unsigned int nr, void * addr);
59 extern void ext2fs_fast_set_bit64(__u64 nr,void * addr);
60 extern void ext2fs_fast_clear_bit64(__u64 nr, void * addr);
61 extern __u16 ext2fs_swab16(__u16 val);
62 extern __u32 ext2fs_swab32(__u32 val);
63 extern __u64 ext2fs_swab64(__u64 val);
64
65 extern int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block);
66 extern int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
67 blk_t block);
68 extern int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block);
69
70 extern int ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode);
71 extern int ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
72 ext2_ino_t inode);
73 extern int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode);
74
75 extern void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap,
76 blk_t block);
77 extern void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
78 blk_t block);
79 extern int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap,
80 blk_t block);
81
82 extern void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
83 ext2_ino_t inode);
84 extern void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
85 ext2_ino_t inode);
86 extern int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
87 ext2_ino_t inode);
88 extern blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap);
89 extern ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap);
90 extern blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap);
91 extern ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap);
92
93 extern void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
94 blk_t block, int num);
95 extern void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
96 blk_t block, int num);
97 extern int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
98 blk_t block, int num);
99 #endif
100
101 /* These functions routines moved to gen_bitmap.c */
102 extern void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
103 blk_t block, int num);
104 extern void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
105 blk_t block, int num);
106 extern int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
107 blk_t block, int num);
108 extern int ext2fs_test_inode_bitmap_range(ext2fs_inode_bitmap bitmap,
109 ino_t inode, int num);
110 extern int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
111 __u32 bitno);
112 extern int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
113 blk_t bitno);
114 extern int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
115 blk_t bitno);
116 extern int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
117 blk_t block, int num);
118 extern void ext2fs_set_bitmap_padding(ext2fs_generic_bitmap map);
119 extern __u32 ext2fs_get_generic_bitmap_start(ext2fs_generic_bitmap bitmap);
120 extern __u32 ext2fs_get_generic_bitmap_end(ext2fs_generic_bitmap bitmap);
121
122 /* 64-bit versions */
123
124 #ifdef NO_INLINE_FUNCS
125 extern int ext2fs_mark_block_bitmap2(ext2fs_block_bitmap bitmap,
126 blk64_t block);
127 extern int ext2fs_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,
128 blk64_t block);
129 extern int ext2fs_test_block_bitmap2(ext2fs_block_bitmap bitmap,
130 blk64_t block);
131
132 extern int ext2fs_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
133 ext2_ino_t inode);
134 extern int ext2fs_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
135 ext2_ino_t inode);
136 extern int ext2fs_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,
137 ext2_ino_t inode);
138
139 extern void ext2fs_fast_mark_block_bitmap2(ext2fs_block_bitmap bitmap,
140 blk64_t block);
141 extern void ext2fs_fast_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,
142 blk64_t block);
143 extern int ext2fs_fast_test_block_bitmap2(ext2fs_block_bitmap bitmap,
144 blk64_t block);
145
146 extern void ext2fs_fast_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
147 ext2_ino_t inode);
148 extern void ext2fs_fast_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
149 ext2_ino_t inode);
150 extern int ext2fs_fast_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,
151 ext2_ino_t inode);
152 extern errcode_t ext2fs_find_first_zero_block_bitmap2(ext2fs_block_bitmap bitmap,
153 blk64_t start,
154 blk64_t end,
155 blk64_t *out);
156 extern errcode_t ext2fs_find_first_zero_inode_bitmap2(ext2fs_inode_bitmap bitmap,
157 ext2_ino_t start,
158 ext2_ino_t end,
159 ext2_ino_t *out);
160 extern blk64_t ext2fs_get_block_bitmap_start2(ext2fs_block_bitmap bitmap);
161 extern ext2_ino_t ext2fs_get_inode_bitmap_start2(ext2fs_inode_bitmap bitmap);
162 extern blk64_t ext2fs_get_block_bitmap_end2(ext2fs_block_bitmap bitmap);
163 extern ext2_ino_t ext2fs_get_inode_bitmap_end2(ext2fs_inode_bitmap bitmap);
164
165 extern int ext2fs_fast_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
166 blk64_t block,
167 unsigned int num);
168 extern void ext2fs_fast_mark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
169 blk64_t block,
170 unsigned int num);
171 extern void ext2fs_fast_unmark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
172 blk64_t block,
173 unsigned int num);
174 #endif
175
176 /* These routines moved to gen_bitmap64.c */
177 extern void ext2fs_clear_generic_bmap(ext2fs_generic_bitmap bitmap);
178 extern errcode_t ext2fs_compare_generic_bmap(errcode_t neq,
179 ext2fs_generic_bitmap bm1,
180 ext2fs_generic_bitmap bm2);
181 extern void ext2fs_set_generic_bmap_padding(ext2fs_generic_bitmap bmap);
182 extern int ext2fs_mark_generic_bmap(ext2fs_generic_bitmap bitmap,
183 blk64_t bitno);
184 extern int ext2fs_unmark_generic_bmap(ext2fs_generic_bitmap bitmap,
185 blk64_t bitno);
186 extern int ext2fs_test_generic_bmap(ext2fs_generic_bitmap bitmap,
187 blk64_t bitno);
188 extern int ext2fs_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
189 blk64_t block, unsigned int num);
190 extern __u64 ext2fs_get_generic_bmap_start(ext2fs_generic_bitmap bitmap);
191 extern __u64 ext2fs_get_generic_bmap_end(ext2fs_generic_bitmap bitmap);
192 extern int ext2fs_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
193 blk64_t block, unsigned int num);
194 extern void ext2fs_mark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
195 blk64_t block, unsigned int num);
196 extern void ext2fs_unmark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
197 blk64_t block, unsigned int num);
198 extern errcode_t ext2fs_find_first_zero_generic_bmap(ext2fs_generic_bitmap bitmap,
199 __u64 start, __u64 end,
200 __u64 *out);
201
202 /*
203 * The inline routines themselves...
204 *
205 * If NO_INLINE_FUNCS is defined, then we won't try to do inline
206 * functions at all; they will be included as normal functions in
207 * inline.c
208 */
209 #ifdef NO_INLINE_FUNCS
210 #if (defined(__GNUC__) && (defined(__i386__) || defined(__i486__) || \
211 defined(__i586__)))
212 /* This prevents bitops.c from trying to include the C */
213 /* function version of these functions */
214 #define _EXT2_HAVE_ASM_BITOPS_
215 #endif
216 #endif /* NO_INLINE_FUNCS */
217
218 #if (defined(INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS))
219 #ifdef INCLUDE_INLINE_FUNCS
220 #if (__STDC_VERSION__ >= 199901L)
221 #define _INLINE_ extern inline
222 #else
223 #define _INLINE_ inline
224 #endif
225 #else /* !INCLUDE_INLINE FUNCS */
226 #if (__STDC_VERSION__ >= 199901L)
227 #define _INLINE_ inline
228 #else /* not C99 */
229 #ifdef __GNUC__
230 #define _INLINE_ extern __inline__
231 #else /* For Watcom C */
232 #define _INLINE_ extern inline
233 #endif /* __GNUC__ */
234 #endif /* __STDC_VERSION__ >= 199901L */
235 #endif /* INCLUDE_INLINE_FUNCS */
236
237 /*
238 * Fast bit set/clear functions that doesn't need to return the
239 * previous bit value.
240 */
241
ext2fs_fast_set_bit(unsigned int nr,void * addr)242 _INLINE_ void ext2fs_fast_set_bit(unsigned int nr,void * addr)
243 {
244 unsigned char *ADDR = (unsigned char *) addr;
245
246 ADDR += nr >> 3;
247 *ADDR |= (unsigned char) (1 << (nr & 0x07));
248 }
249
ext2fs_fast_clear_bit(unsigned int nr,void * addr)250 _INLINE_ void ext2fs_fast_clear_bit(unsigned int nr, void * addr)
251 {
252 unsigned char *ADDR = (unsigned char *) addr;
253
254 ADDR += nr >> 3;
255 *ADDR &= (unsigned char) ~(1 << (nr & 0x07));
256 }
257
258
ext2fs_fast_set_bit64(__u64 nr,void * addr)259 _INLINE_ void ext2fs_fast_set_bit64(__u64 nr, void * addr)
260 {
261 unsigned char *ADDR = (unsigned char *) addr;
262
263 ADDR += nr >> 3;
264 *ADDR |= (unsigned char) (1 << (nr & 0x07));
265 }
266
ext2fs_fast_clear_bit64(__u64 nr,void * addr)267 _INLINE_ void ext2fs_fast_clear_bit64(__u64 nr, void * addr)
268 {
269 unsigned char *ADDR = (unsigned char *) addr;
270
271 ADDR += nr >> 3;
272 *ADDR &= (unsigned char) ~(1 << (nr & 0x07));
273 }
274
275
276 #if ((defined __GNUC__) && !defined(_EXT2_USE_C_VERSIONS_) && \
277 (defined(__i386__) || defined(__i486__) || defined(__i586__)))
278
279 #define _EXT2_HAVE_ASM_BITOPS_
280 #define _EXT2_HAVE_ASM_SWAB_
281
282 /*
283 * These are done by inline assembly for speed reasons.....
284 *
285 * All bitoperations return 0 if the bit was cleared before the
286 * operation and != 0 if it was not. Bit 0 is the LSB of addr; bit 32
287 * is the LSB of (addr+1).
288 */
289
290 /*
291 * Some hacks to defeat gcc over-optimizations..
292 */
293 struct __dummy_h { unsigned long a[100]; };
294 #define EXT2FS_ADDR (*(struct __dummy_h *) addr)
295 #define EXT2FS_CONST_ADDR (*(const struct __dummy_h *) addr)
296
ext2fs_set_bit(unsigned int nr,void * addr)297 _INLINE_ int ext2fs_set_bit(unsigned int nr, void * addr)
298 {
299 int oldbit;
300
301 addr = (void *) (((unsigned char *) addr) + (nr >> 3));
302 __asm__ __volatile__("btsl %2,%1\n\tsbbl %0,%0"
303 :"=r" (oldbit),"+m" (EXT2FS_ADDR)
304 :"r" (nr & 7));
305 return oldbit;
306 }
307
ext2fs_clear_bit(unsigned int nr,void * addr)308 _INLINE_ int ext2fs_clear_bit(unsigned int nr, void * addr)
309 {
310 int oldbit;
311
312 addr = (void *) (((unsigned char *) addr) + (nr >> 3));
313 __asm__ __volatile__("btrl %2,%1\n\tsbbl %0,%0"
314 :"=r" (oldbit),"+m" (EXT2FS_ADDR)
315 :"r" (nr & 7));
316 return oldbit;
317 }
318
ext2fs_test_bit(unsigned int nr,const void * addr)319 _INLINE_ int ext2fs_test_bit(unsigned int nr, const void * addr)
320 {
321 int oldbit;
322
323 addr = (const void *) (((const unsigned char *) addr) + (nr >> 3));
324 __asm__ __volatile__("btl %2,%1\n\tsbbl %0,%0"
325 :"=r" (oldbit)
326 :"m" (EXT2FS_CONST_ADDR),"r" (nr & 7));
327 return oldbit;
328 }
329
ext2fs_swab32(__u32 val)330 _INLINE_ __u32 ext2fs_swab32(__u32 val)
331 {
332 #ifdef EXT2FS_REQUIRE_486
333 __asm__("bswap %0" : "=r" (val) : "0" (val));
334 #else
335 __asm__("xchgb %b0,%h0\n\t" /* swap lower bytes */
336 "rorl $16,%0\n\t" /* swap words */
337 "xchgb %b0,%h0" /* swap higher bytes */
338 :"=q" (val)
339 : "0" (val));
340 #endif
341 return val;
342 }
343
ext2fs_swab16(__u16 val)344 _INLINE_ __u16 ext2fs_swab16(__u16 val)
345 {
346 __asm__("xchgb %b0,%h0" /* swap bytes */ \
347 : "=q" (val) \
348 : "0" (val)); \
349 return val;
350 }
351
352 #undef EXT2FS_ADDR
353
354 #endif /* i386 */
355
356
357 #if !defined(_EXT2_HAVE_ASM_SWAB_)
358
ext2fs_swab16(__u16 val)359 _INLINE_ __u16 ext2fs_swab16(__u16 val)
360 {
361 return (val >> 8) | (__u16) (val << 8);
362 }
363
ext2fs_swab32(__u32 val)364 _INLINE_ __u32 ext2fs_swab32(__u32 val)
365 {
366 return ((val>>24) | ((val>>8)&0xFF00) |
367 ((val<<8)&0xFF0000) | (val<<24));
368 }
369
370 #endif /* !_EXT2_HAVE_ASM_SWAB */
371
ext2fs_swab64(__u64 val)372 _INLINE_ __u64 ext2fs_swab64(__u64 val)
373 {
374 return (ext2fs_swab32((__u32) (val >> 32)) |
375 (((__u64)ext2fs_swab32(val & 0xFFFFFFFFUL)) << 32));
376 }
377
ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap,blk_t block)378 _INLINE_ int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap,
379 blk_t block)
380 {
381 return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
382 block);
383 }
384
ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap,blk_t block)385 _INLINE_ int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
386 blk_t block)
387 {
388 return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
389 block);
390 }
391
ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap,blk_t block)392 _INLINE_ int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap,
393 blk_t block)
394 {
395 return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
396 block);
397 }
398
ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,ext2_ino_t inode)399 _INLINE_ int ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
400 ext2_ino_t inode)
401 {
402 return ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
403 inode);
404 }
405
ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,ext2_ino_t inode)406 _INLINE_ int ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
407 ext2_ino_t inode)
408 {
409 return ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap,
410 inode);
411 }
412
ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap,ext2_ino_t inode)413 _INLINE_ int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
414 ext2_ino_t inode)
415 {
416 return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
417 inode);
418 }
419
ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap,blk_t block)420 _INLINE_ void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap,
421 blk_t block)
422 {
423 ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap, block);
424 }
425
ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap,blk_t block)426 _INLINE_ void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
427 blk_t block)
428 {
429 ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, block);
430 }
431
ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap,blk_t block)432 _INLINE_ int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap,
433 blk_t block)
434 {
435 return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
436 block);
437 }
438
ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,ext2_ino_t inode)439 _INLINE_ void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
440 ext2_ino_t inode)
441 {
442 ext2fs_mark_generic_bitmap((ext2fs_generic_bitmap) bitmap, inode);
443 }
444
ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,ext2_ino_t inode)445 _INLINE_ void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
446 ext2_ino_t inode)
447 {
448 ext2fs_unmark_generic_bitmap((ext2fs_generic_bitmap) bitmap, inode);
449 }
450
ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap,ext2_ino_t inode)451 _INLINE_ int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
452 ext2_ino_t inode)
453 {
454 return ext2fs_test_generic_bitmap((ext2fs_generic_bitmap) bitmap,
455 inode);
456 }
457
ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap)458 _INLINE_ blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap)
459 {
460 return ext2fs_get_generic_bitmap_start((ext2fs_generic_bitmap) bitmap);
461 }
462
ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap)463 _INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap)
464 {
465 return ext2fs_get_generic_bitmap_start((ext2fs_generic_bitmap) bitmap);
466 }
467
ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap)468 _INLINE_ blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap)
469 {
470 return ext2fs_get_generic_bitmap_end((ext2fs_generic_bitmap) bitmap);
471 }
472
ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap)473 _INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap)
474 {
475 return ext2fs_get_generic_bitmap_end((ext2fs_generic_bitmap) bitmap);
476 }
477
ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap,blk_t block,int num)478 _INLINE_ int ext2fs_fast_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
479 blk_t block, int num)
480 {
481 return ext2fs_test_block_bitmap_range(bitmap, block, num);
482 }
483
ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,blk_t block,int num)484 _INLINE_ void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
485 blk_t block, int num)
486 {
487 ext2fs_mark_block_bitmap_range(bitmap, block, num);
488 }
489
ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,blk_t block,int num)490 _INLINE_ void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
491 blk_t block, int num)
492 {
493 ext2fs_unmark_block_bitmap_range(bitmap, block, num);
494 }
495
496 /* 64-bit versions */
497
ext2fs_mark_block_bitmap2(ext2fs_block_bitmap bitmap,blk64_t block)498 _INLINE_ int ext2fs_mark_block_bitmap2(ext2fs_block_bitmap bitmap,
499 blk64_t block)
500 {
501 return ext2fs_mark_generic_bmap((ext2fs_generic_bitmap) bitmap,
502 block);
503 }
504
ext2fs_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,blk64_t block)505 _INLINE_ int ext2fs_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,
506 blk64_t block)
507 {
508 return ext2fs_unmark_generic_bmap((ext2fs_generic_bitmap) bitmap, block);
509 }
510
ext2fs_test_block_bitmap2(ext2fs_block_bitmap bitmap,blk64_t block)511 _INLINE_ int ext2fs_test_block_bitmap2(ext2fs_block_bitmap bitmap,
512 blk64_t block)
513 {
514 return ext2fs_test_generic_bmap((ext2fs_generic_bitmap) bitmap,
515 block);
516 }
517
ext2fs_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,ext2_ino_t inode)518 _INLINE_ int ext2fs_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
519 ext2_ino_t inode)
520 {
521 return ext2fs_mark_generic_bmap((ext2fs_generic_bitmap) bitmap,
522 inode);
523 }
524
ext2fs_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,ext2_ino_t inode)525 _INLINE_ int ext2fs_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
526 ext2_ino_t inode)
527 {
528 return ext2fs_unmark_generic_bmap((ext2fs_generic_bitmap) bitmap,
529 inode);
530 }
531
ext2fs_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,ext2_ino_t inode)532 _INLINE_ int ext2fs_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,
533 ext2_ino_t inode)
534 {
535 return ext2fs_test_generic_bmap((ext2fs_generic_bitmap) bitmap,
536 inode);
537 }
538
ext2fs_fast_mark_block_bitmap2(ext2fs_block_bitmap bitmap,blk64_t block)539 _INLINE_ void ext2fs_fast_mark_block_bitmap2(ext2fs_block_bitmap bitmap,
540 blk64_t block)
541 {
542 ext2fs_mark_generic_bmap((ext2fs_generic_bitmap) bitmap, block);
543 }
544
ext2fs_fast_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,blk64_t block)545 _INLINE_ void ext2fs_fast_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,
546 blk64_t block)
547 {
548 ext2fs_unmark_generic_bmap((ext2fs_generic_bitmap) bitmap, block);
549 }
550
ext2fs_fast_test_block_bitmap2(ext2fs_block_bitmap bitmap,blk64_t block)551 _INLINE_ int ext2fs_fast_test_block_bitmap2(ext2fs_block_bitmap bitmap,
552 blk64_t block)
553 {
554 return ext2fs_test_generic_bmap((ext2fs_generic_bitmap) bitmap,
555 block);
556 }
557
ext2fs_fast_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,ext2_ino_t inode)558 _INLINE_ void ext2fs_fast_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
559 ext2_ino_t inode)
560 {
561 ext2fs_mark_generic_bmap((ext2fs_generic_bitmap) bitmap, inode);
562 }
563
ext2fs_fast_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,ext2_ino_t inode)564 _INLINE_ void ext2fs_fast_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
565 ext2_ino_t inode)
566 {
567 ext2fs_unmark_generic_bmap((ext2fs_generic_bitmap) bitmap, inode);
568 }
569
ext2fs_fast_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,ext2_ino_t inode)570 _INLINE_ int ext2fs_fast_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,
571 ext2_ino_t inode)
572 {
573 return ext2fs_test_generic_bmap((ext2fs_generic_bitmap) bitmap,
574 inode);
575 }
576
ext2fs_find_first_zero_block_bitmap2(ext2fs_block_bitmap bitmap,blk64_t start,blk64_t end,blk64_t * out)577 _INLINE_ errcode_t ext2fs_find_first_zero_block_bitmap2(ext2fs_block_bitmap bitmap,
578 blk64_t start,
579 blk64_t end,
580 blk64_t *out)
581 {
582 __u64 o;
583 errcode_t rv;
584
585 rv = ext2fs_find_first_zero_generic_bmap((ext2fs_generic_bitmap) bitmap,
586 start, end, &o);
587 if (!rv)
588 *out = o;
589 return rv;
590 }
591
ext2fs_find_first_zero_inode_bitmap2(ext2fs_inode_bitmap bitmap,ext2_ino_t start,ext2_ino_t end,ext2_ino_t * out)592 _INLINE_ errcode_t ext2fs_find_first_zero_inode_bitmap2(ext2fs_inode_bitmap bitmap,
593 ext2_ino_t start,
594 ext2_ino_t end,
595 ext2_ino_t *out)
596 {
597 __u64 o;
598 errcode_t rv;
599
600 rv = ext2fs_find_first_zero_generic_bmap((ext2fs_generic_bitmap) bitmap,
601 start, end, &o);
602 if (!rv)
603 *out = (ext2_ino_t) o;
604 return rv;
605 }
606
ext2fs_get_block_bitmap_start2(ext2fs_block_bitmap bitmap)607 _INLINE_ blk64_t ext2fs_get_block_bitmap_start2(ext2fs_block_bitmap bitmap)
608 {
609 return ext2fs_get_generic_bmap_start((ext2fs_generic_bitmap) bitmap);
610 }
611
ext2fs_get_inode_bitmap_start2(ext2fs_inode_bitmap bitmap)612 _INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_start2(ext2fs_inode_bitmap bitmap)
613 {
614 return (ext2_ino_t) ext2fs_get_generic_bmap_start((ext2fs_generic_bitmap) bitmap);
615 }
616
ext2fs_get_block_bitmap_end2(ext2fs_block_bitmap bitmap)617 _INLINE_ blk64_t ext2fs_get_block_bitmap_end2(ext2fs_block_bitmap bitmap)
618 {
619 return ext2fs_get_generic_bmap_end((ext2fs_generic_bitmap) bitmap);
620 }
621
ext2fs_get_inode_bitmap_end2(ext2fs_inode_bitmap bitmap)622 _INLINE_ ext2_ino_t ext2fs_get_inode_bitmap_end2(ext2fs_inode_bitmap bitmap)
623 {
624 return (ext2_ino_t) ext2fs_get_generic_bmap_end((ext2fs_generic_bitmap) bitmap);
625 }
626
ext2fs_fast_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,blk64_t block,unsigned int num)627 _INLINE_ int ext2fs_fast_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
628 blk64_t block,
629 unsigned int num)
630 {
631 return ext2fs_test_block_bitmap_range2(bitmap, block, num);
632 }
633
ext2fs_fast_mark_block_bitmap_range2(ext2fs_block_bitmap bitmap,blk64_t block,unsigned int num)634 _INLINE_ void ext2fs_fast_mark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
635 blk64_t block,
636 unsigned int num)
637 {
638 ext2fs_mark_block_bitmap_range2(bitmap, block, num);
639 }
640
ext2fs_fast_unmark_block_bitmap_range2(ext2fs_block_bitmap bitmap,blk64_t block,unsigned int num)641 _INLINE_ void ext2fs_fast_unmark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
642 blk64_t block,
643 unsigned int num)
644 {
645 ext2fs_unmark_block_bitmap_range2(bitmap, block, num);
646 }
647
648 #undef _INLINE_
649 #endif
650
651 #ifndef _EXT2_HAVE_ASM_BITOPS_
652 extern int ext2fs_set_bit(unsigned int nr,void * addr);
653 extern int ext2fs_clear_bit(unsigned int nr, void * addr);
654 extern int ext2fs_test_bit(unsigned int nr, const void * addr);
655 #endif
656
657 extern int ext2fs_set_bit64(__u64 nr,void * addr);
658 extern int ext2fs_clear_bit64(__u64 nr, void * addr);
659 extern int ext2fs_test_bit64(__u64 nr, const void * addr);
660 extern unsigned int ext2fs_bitcount(const void *addr, unsigned int nbytes);
661