blob: 3e8132decd7bbedb7494b1f14ab4c09374868bd7 [file] [log] [blame]
yuezonghe824eb0c2024-06-27 02:32:26 -07001/*
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 */
46extern const char *ext2fs_block_string;
47extern const char *ext2fs_inode_string;
48extern const char *ext2fs_mark_string;
49extern const char *ext2fs_unmark_string;
50extern const char *ext2fs_test_string;
51extern void ext2fs_warn_bitmap(errcode_t errcode, unsigned long arg,
52 const char *description);
53extern void ext2fs_warn_bitmap2(ext2fs_generic_bitmap bitmap,
54 int code, unsigned long arg);
55
56#ifdef NO_INLINE_FUNCS
57extern void ext2fs_fast_set_bit(unsigned int nr,void * addr);
58extern void ext2fs_fast_clear_bit(unsigned int nr, void * addr);
59extern void ext2fs_fast_set_bit64(__u64 nr,void * addr);
60extern void ext2fs_fast_clear_bit64(__u64 nr, void * addr);
61extern __u16 ext2fs_swab16(__u16 val);
62extern __u32 ext2fs_swab32(__u32 val);
63extern __u64 ext2fs_swab64(__u64 val);
64
65extern int ext2fs_mark_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block);
66extern int ext2fs_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
67 blk_t block);
68extern int ext2fs_test_block_bitmap(ext2fs_block_bitmap bitmap, blk_t block);
69
70extern int ext2fs_mark_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode);
71extern int ext2fs_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
72 ext2_ino_t inode);
73extern int ext2fs_test_inode_bitmap(ext2fs_inode_bitmap bitmap, ext2_ino_t inode);
74
75extern void ext2fs_fast_mark_block_bitmap(ext2fs_block_bitmap bitmap,
76 blk_t block);
77extern void ext2fs_fast_unmark_block_bitmap(ext2fs_block_bitmap bitmap,
78 blk_t block);
79extern int ext2fs_fast_test_block_bitmap(ext2fs_block_bitmap bitmap,
80 blk_t block);
81
82extern void ext2fs_fast_mark_inode_bitmap(ext2fs_inode_bitmap bitmap,
83 ext2_ino_t inode);
84extern void ext2fs_fast_unmark_inode_bitmap(ext2fs_inode_bitmap bitmap,
85 ext2_ino_t inode);
86extern int ext2fs_fast_test_inode_bitmap(ext2fs_inode_bitmap bitmap,
87 ext2_ino_t inode);
88extern blk_t ext2fs_get_block_bitmap_start(ext2fs_block_bitmap bitmap);
89extern ext2_ino_t ext2fs_get_inode_bitmap_start(ext2fs_inode_bitmap bitmap);
90extern blk_t ext2fs_get_block_bitmap_end(ext2fs_block_bitmap bitmap);
91extern ext2_ino_t ext2fs_get_inode_bitmap_end(ext2fs_inode_bitmap bitmap);
92
93extern void ext2fs_fast_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
94 blk_t block, int num);
95extern void ext2fs_fast_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
96 blk_t block, int num);
97extern 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 */
102extern void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
103 blk_t block, int num);
104extern void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
105 blk_t block, int num);
106extern int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
107 blk_t block, int num);
108extern int ext2fs_test_inode_bitmap_range(ext2fs_inode_bitmap bitmap,
109 ino_t inode, int num);
110extern int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
111 __u32 bitno);
112extern int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
113 blk_t bitno);
114extern int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
115 blk_t bitno);
116extern int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
117 blk_t block, int num);
118extern void ext2fs_set_bitmap_padding(ext2fs_generic_bitmap map);
119extern __u32 ext2fs_get_generic_bitmap_start(ext2fs_generic_bitmap bitmap);
120extern __u32 ext2fs_get_generic_bitmap_end(ext2fs_generic_bitmap bitmap);
121
122/* 64-bit versions */
123
124#ifdef NO_INLINE_FUNCS
125extern int ext2fs_mark_block_bitmap2(ext2fs_block_bitmap bitmap,
126 blk64_t block);
127extern int ext2fs_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,
128 blk64_t block);
129extern int ext2fs_test_block_bitmap2(ext2fs_block_bitmap bitmap,
130 blk64_t block);
131
132extern int ext2fs_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
133 ext2_ino_t inode);
134extern int ext2fs_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
135 ext2_ino_t inode);
136extern int ext2fs_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,
137 ext2_ino_t inode);
138
139extern void ext2fs_fast_mark_block_bitmap2(ext2fs_block_bitmap bitmap,
140 blk64_t block);
141extern void ext2fs_fast_unmark_block_bitmap2(ext2fs_block_bitmap bitmap,
142 blk64_t block);
143extern int ext2fs_fast_test_block_bitmap2(ext2fs_block_bitmap bitmap,
144 blk64_t block);
145
146extern void ext2fs_fast_mark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
147 ext2_ino_t inode);
148extern void ext2fs_fast_unmark_inode_bitmap2(ext2fs_inode_bitmap bitmap,
149 ext2_ino_t inode);
150extern int ext2fs_fast_test_inode_bitmap2(ext2fs_inode_bitmap bitmap,
151 ext2_ino_t inode);
152extern errcode_t ext2fs_find_first_zero_block_bitmap2(ext2fs_block_bitmap bitmap,
153 blk64_t start,
154 blk64_t end,
155 blk64_t *out);
156extern 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);
160extern blk64_t ext2fs_get_block_bitmap_start2(ext2fs_block_bitmap bitmap);
161extern ext2_ino_t ext2fs_get_inode_bitmap_start2(ext2fs_inode_bitmap bitmap);
162extern blk64_t ext2fs_get_block_bitmap_end2(ext2fs_block_bitmap bitmap);
163extern ext2_ino_t ext2fs_get_inode_bitmap_end2(ext2fs_inode_bitmap bitmap);
164
165extern int ext2fs_fast_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
166 blk64_t block,
167 unsigned int num);
168extern void ext2fs_fast_mark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
169 blk64_t block,
170 unsigned int num);
171extern 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 */
177extern void ext2fs_clear_generic_bmap(ext2fs_generic_bitmap bitmap);
178extern errcode_t ext2fs_compare_generic_bmap(errcode_t neq,
179 ext2fs_generic_bitmap bm1,
180 ext2fs_generic_bitmap bm2);
181extern void ext2fs_set_generic_bmap_padding(ext2fs_generic_bitmap bmap);
182extern int ext2fs_mark_generic_bmap(ext2fs_generic_bitmap bitmap,
183 blk64_t bitno);
184extern int ext2fs_unmark_generic_bmap(ext2fs_generic_bitmap bitmap,
185 blk64_t bitno);
186extern int ext2fs_test_generic_bmap(ext2fs_generic_bitmap bitmap,
187 blk64_t bitno);
188extern int ext2fs_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
189 blk64_t block, unsigned int num);
190extern __u64 ext2fs_get_generic_bmap_start(ext2fs_generic_bitmap bitmap);
191extern __u64 ext2fs_get_generic_bmap_end(ext2fs_generic_bitmap bitmap);
192extern int ext2fs_test_block_bitmap_range2(ext2fs_block_bitmap bitmap,
193 blk64_t block, unsigned int num);
194extern void ext2fs_mark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
195 blk64_t block, unsigned int num);
196extern void ext2fs_unmark_block_bitmap_range2(ext2fs_block_bitmap bitmap,
197 blk64_t block, unsigned int num);
198extern 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
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
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
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
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 */
293struct __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
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
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
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
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
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
359_INLINE_ __u16 ext2fs_swab16(__u16 val)
360{
361 return (val >> 8) | (__u16) (val << 8);
362}
363
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
372_INLINE_ __u64 ext2fs_swab64(__u64 val)
373{
374 return (ext2fs_swab32((__u32) (val >> 32)) |
375 (((__u64)ext2fs_swab32(val & 0xFFFFFFFFUL)) << 32));
376}
377
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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_
652extern int ext2fs_set_bit(unsigned int nr,void * addr);
653extern int ext2fs_clear_bit(unsigned int nr, void * addr);
654extern int ext2fs_test_bit(unsigned int nr, const void * addr);
655#endif
656
657extern int ext2fs_set_bit64(__u64 nr,void * addr);
658extern int ext2fs_clear_bit64(__u64 nr, void * addr);
659extern int ext2fs_test_bit64(__u64 nr, const void * addr);
660extern unsigned int ext2fs_bitcount(const void *addr, unsigned int nbytes);