1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
8 * This header is effectively a "namespace multiplexor" for the
9 * user level XFS code. It provides all of the necessary stuff
10 * such that we can build some parts of the XFS kernel code in
11 * user space in a controlled fashion, and translates the names
12 * used in the kernel into the names which libxfs is going to
13 * make available to user tools.
15 * It should only ever be #include'd by XFS "kernel" code being
16 * compiled in user space.
18 * Our goals here are to...
19 * o "share" large amounts of complex code between user and
21 * o shield the user tools from changes in the bleeding
22 * edge kernel code, merging source changes when
23 * convenient and not immediately (no symlinks);
24 * o i.e. be able to merge changes to the kernel source back
25 * into the affected user tools in a controlled fashion;
26 * o provide a _minimalist_ life-support system for kernel
27 * code in user land, not the "everything + the kitchen
28 * sink" model which libsim had mutated into;
29 * o allow the kernel code to be completely free of code
30 * specifically there to support the user level build.
34 * define a guard and something we can check to determine what include context
35 * we are running from.
37 #ifndef __LIBXFS_INTERNAL_XFS_H__
38 #define __LIBXFS_INTERNAL_XFS_H__
40 #include "libxfs_api_defs.h"
41 #include "platform_defs.h"
49 #include "libfrog/radix-tree.h"
52 #include "xfs_types.h"
56 #include "libfrog/crc32c.h"
58 /* Zones used in libxfs allocations that aren't in shared header files */
59 extern kmem_zone_t
*xfs_buf_item_zone
;
60 extern kmem_zone_t
*xfs_ili_zone
;
61 extern kmem_zone_t
*xfs_buf_zone
;
62 extern kmem_zone_t
*xfs_inode_zone
;
63 extern kmem_zone_t
*xfs_trans_zone
;
65 /* CRC stuff, buffer API dependent on it */
66 #define crc32c(c,p,l) crc32c_le((c),(unsigned char const *)(p),(l))
68 #include "xfs_cksum.h"
71 * This mirrors the kernel include for xfs_buf.h - it's implicitly included in
72 * every files via a similar include in the kernel xfs_linux.h.
74 #include "libxfs_io.h"
76 /* for all the support code that uses progname in error messages */
77 extern char *progname
;
80 #define ASSERT(ex) assert(ex)
83 * We have no need for the "linux" dev_t in userspace, so these
84 * are no-ops, and an xfs_dev_t is stored in VFS_I(ip)->i_rdev
86 #define xfs_to_linux_dev_t(dev) dev
87 #define linux_to_xfs_dev_t(dev) dev
90 #define EWRONGFS EINVAL
93 #define xfs_error_level 0
98 * Starting in Linux 4.15, the %p (raw pointer value) printk modifier
99 * prints a hashed version of the pointer to avoid leaking kernel
100 * pointers into dmesg. If we're trying to debug the kernel we want the
101 * raw values, so override this behavior as best we can.
103 * In userspace we don't have this problem.
107 #define XFS_IGET_CREATE 0x1
108 #define XFS_IGET_UNTRUSTED 0x2
110 extern void cmn_err(int, char *, ...);
111 enum ce
{ CE_DEBUG
, CE_CONT
, CE_NOTE
, CE_WARN
, CE_ALERT
, CE_PANIC
};
113 #define xfs_notice(mp,fmt,args...) cmn_err(CE_NOTE,fmt, ## args)
114 #define xfs_warn(mp,fmt,args...) cmn_err(CE_WARN,fmt, ## args)
115 #define xfs_err(mp,fmt,args...) cmn_err(CE_ALERT,fmt, ## args)
116 #define xfs_alert(mp,fmt,args...) cmn_err(CE_ALERT,fmt, ## args)
118 #define xfs_hex_dump(d,n) ((void) 0)
119 #define xfs_stack_trace() ((void) 0)
122 #define xfs_force_shutdown(d,n) ((void) 0)
123 #define xfs_mod_delalloc(a,b) ((void) 0)
125 /* stop unused var warnings by assigning mp to itself */
127 #define xfs_corruption_error(e,l,mp,b,sz,fi,ln,fa) do { \
129 cmn_err(CE_ALERT, "%s: XFS_CORRUPTION_ERROR", (e)); \
132 #define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) do { \
134 cmn_err(CE_ALERT, "%s: XFS_CORRUPTION_ERROR", (e)); \
137 #define XFS_ERROR_REPORT(e,l,mp) do { \
139 cmn_err(CE_ALERT, "%s: XFS_ERROR_REPORT", (e)); \
142 #define XFS_ERRLEVEL_LOW 1
143 #define XFS_FORCED_SHUTDOWN(mp) 0
144 #define XFS_ILOCK_EXCL 0
145 #define XFS_STATS_INC(mp, count) do { (mp) = (mp); } while (0)
146 #define XFS_STATS_DEC(mp, count, x) do { (mp) = (mp); } while (0)
147 #define XFS_STATS_ADD(mp, count, x) do { (mp) = (mp); } while (0)
148 #define XFS_TEST_ERROR(expr,a,b) ( expr )
149 #define XFS_WANT_CORRUPTED_GOTO(mp, expr, l) \
152 if ((mp)->m_flags & LIBXFS_MOUNT_WANT_CORRUPTED) \
153 printf("WANT_CORRUPTED_GOTO at %s:%d\n", \
154 __func__, __LINE__); \
155 error = -EFSCORRUPTED; \
159 #define XFS_WANT_CORRUPTED_RETURN(mp, expr) \
162 if ((mp)->m_flags & LIBXFS_MOUNT_WANT_CORRUPTED) \
163 printf("WANT_CORRUPTED_RETURN at %s:%d\n", \
164 __func__, __LINE__); \
165 return -EFSCORRUPTED; \
170 #define __return_address __builtin_return_address(0)
173 * Return the address of a label. Use barrier() so that the optimizer
174 * won't reorder code to refactor the error jumpouts into a single
175 * return, which throws off the reported address.
177 #define __this_address ({ __label__ __here; __here: barrier(); &&__here; })
178 /* Optimization barrier */
180 /* The "volatile" is due to gcc bugs */
181 #define barrier() __asm__ __volatile__("": : :"memory")
184 /* Optimization barrier */
186 # define barrier() __memory_barrier()
189 /* miscellaneous kernel routines not in user space */
190 #define spin_lock_init(a) ((void) 0)
191 #define spin_lock(a) ((void) 0)
192 #define spin_unlock(a) ((void) 0)
193 #define likely(x) (x)
194 #define unlikely(x) (x)
195 #define rcu_read_lock() ((void) 0)
196 #define rcu_read_unlock() ((void) 0)
197 /* Need to be able to handle this bare or in control flow */
198 static inline bool WARN_ON(bool expr
) {
202 #define WARN_ON_ONCE(e) WARN_ON(e)
203 #define percpu_counter_read(x) (*x)
204 #define percpu_counter_read_positive(x) ((*x) > 0 ? (*x) : 0)
205 #define percpu_counter_sum(x) (*x)
207 #define READ_ONCE(x) (x)
208 #define WRITE_ONCE(x, val) ((x) = (val))
211 * prandom_u32 is used for di_gen inode allocation, it must be zero for libxfs
212 * or all sorts of badness can occur!
214 #define prandom_u32() 0
216 #define PAGE_SIZE getpagesize()
218 #define inode_peek_iversion(inode) (inode)->i_version
219 #define inode_set_iversion_queried(inode, version) do { \
220 (inode)->i_version = (version); \
223 static inline int __do_div(unsigned long long *n
, unsigned base
)
226 __res
= (int)(((unsigned long) *n
) % (unsigned) base
);
227 *n
= ((unsigned long) *n
) / (unsigned) base
;
231 #define do_div(n,base) (__do_div((unsigned long long *)&(n), (base)))
232 #define do_mod(a, b) ((a) % (b))
233 #define rol32(x,y) (((x) << (y)) | ((x) >> (32 - (y))))
236 * div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder
237 * @dividend: unsigned 64bit dividend
238 * @divisor: unsigned 32bit divisor
239 * @remainder: pointer to unsigned 32bit remainder
241 * Return: sets ``*remainder``, then returns dividend / divisor
243 * This is commonly provided by 32bit archs to provide an optimized 64bit
246 static inline uint64_t
247 div_u64_rem(uint64_t dividend
, uint32_t divisor
, uint32_t *remainder
)
249 *remainder
= dividend
% divisor
;
250 return dividend
/ divisor
;
253 #define min_t(type,x,y) \
254 ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
255 #define max_t(type,x,y) \
256 ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
259 * swap - swap values of @a and @b
264 do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0)
266 #define __round_mask(x, y) ((__typeof__(x))((y)-1))
267 #define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
268 #define round_down(x, y) ((x) & ~__round_mask(x, y))
269 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
272 * Handling for kernel bitmap types.
274 #define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, NBBY * sizeof(long))
275 #define DECLARE_BITMAP(name,bits) \
276 unsigned long name[BITS_TO_LONGS(bits)]
277 #define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1)))
280 * This is a common helper function for find_next_bit and
281 * find_next_zero_bit. The difference is the "invert" argument, which
282 * is XORed with each fetched word before searching it for one bits.
284 static inline unsigned long
285 _find_next_bit(const unsigned long *addr
, unsigned long nbits
,
286 unsigned long start
, unsigned long invert
)
290 if (!nbits
|| start
>= nbits
)
293 tmp
= addr
[start
/ BITS_PER_LONG
] ^ invert
;
295 /* Handle 1st word. */
296 tmp
&= BITMAP_FIRST_WORD_MASK(start
);
297 start
= round_down(start
, BITS_PER_LONG
);
300 start
+= BITS_PER_LONG
;
304 tmp
= addr
[start
/ BITS_PER_LONG
] ^ invert
;
307 return min(start
+ ffs(tmp
), nbits
);
311 * Find the next set bit in a memory region.
313 static inline unsigned long
314 find_next_bit(const unsigned long *addr
, unsigned long size
,
315 unsigned long offset
)
317 return _find_next_bit(addr
, size
, offset
, 0UL);
319 static inline unsigned long
320 find_next_zero_bit(const unsigned long *addr
, unsigned long size
,
321 unsigned long offset
)
323 return _find_next_bit(addr
, size
, offset
, ~0UL);
325 #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0)
327 static inline __attribute__((const))
328 int is_power_of_2(unsigned long n
)
330 return (n
!= 0 && ((n
& (n
- 1)) == 0));
334 * xfs_iroundup: round up argument to next power of two
337 roundup_pow_of_two(uint v
)
342 if ((v
& (v
- 1)) == 0)
344 ASSERT((v
& 0x80000000) == 0);
345 if ((v
& (v
+ 1)) == 0)
347 for (i
= 0, m
= 1; i
< 31; i
++, m
<<= 1) {
351 if ((v
& (v
+ 1)) == 0)
358 static inline uint64_t
359 roundup_64(uint64_t x
, uint32_t y
)
366 /* buffer management */
367 #define XBF_TRYLOCK 0
368 #define XBF_UNMAPPED 0
370 #define xfs_buf_stale(bp) ((bp)->b_flags |= LIBXFS_B_STALE)
371 #define XFS_BUF_UNDELAYWRITE(bp) ((bp)->b_flags &= ~LIBXFS_B_DIRTY)
372 #define XFS_BUF_SET_BDSTRAT_FUNC(a,b) ((void) 0)
374 /* avoid gcc warning */
375 #define xfs_buf_incore(bt,blkno,len,lockit) ({ \
376 typeof(blkno) __foo = (blkno); \
377 typeof(len) __bar = (len); \
379 (len) = __bar; /* no set-but-unused warning */ \
382 #define xfs_buf_relse(bp) libxfs_putbuf(bp)
383 #define xfs_buf_get(devp,blkno,len) (libxfs_getbuf((devp), (blkno), (len)))
384 #define xfs_bwrite(bp) libxfs_writebuf((bp), 0)
385 #define xfs_buf_oneshot(bp) ((void) 0)
387 #define XBRW_READ LIBXFS_BREAD
388 #define XBRW_WRITE LIBXFS_BWRITE
389 #define xfs_buf_zero(bp,off,len) libxfs_iomove(bp,off,len,NULL,LIBXFS_BZERO)
392 #define XFS_MOUNT_32BITINODES LIBXFS_MOUNT_32BITINODES
393 #define XFS_MOUNT_ATTR2 LIBXFS_MOUNT_ATTR2
394 #define XFS_MOUNT_SMALL_INUMS 0 /* ignored in userspace */
395 #define XFS_MOUNT_WSYNC 0 /* ignored in userspace */
396 #define XFS_MOUNT_NOALIGN 0 /* ignored in userspace */
397 #define XFS_MOUNT_IKEEP 0 /* ignored in userspace */
398 #define XFS_MOUNT_SWALLOC 0 /* ignored in userspace */
399 #define XFS_MOUNT_RDONLY 0 /* ignored in userspace */
400 #define XFS_MOUNT_BAD_SUMMARY 0 /* ignored in userspace */
402 #define xfs_trans_set_sync(tp) ((void) 0)
403 #define xfs_trans_agblocks_delta(tp, d)
404 #define xfs_trans_agflist_delta(tp, d)
405 #define xfs_trans_agbtree_delta(tp, d)
406 #define xfs_trans_buf_set_type(tp, bp, t) ({ \
408 __t = __t; /* no set-but-unused warning */ \
409 tp = tp; /* no set-but-unused warning */ \
412 #define xfs_trans_buf_copy_type(dbp, sbp)
414 /* no readahead, need to avoid set-but-unused var warnings. */
415 #define xfs_buf_readahead(a,d,c,ops) ({ \
416 xfs_daddr_t __d = d; \
417 __d = __d; /* no set-but-unused warning */ \
419 #define xfs_buf_readahead_map(a,b,c,ops) ((void) 0) /* no readahead */
421 #define xfs_sort qsort
423 #define xfs_ilock(ip,mode) ((void) 0)
424 #define xfs_ilock_data_map_shared(ip) (0)
425 #define xfs_ilock_attr_map_shared(ip) (0)
426 #define xfs_iunlock(ip,mode) ({ \
427 typeof(mode) __mode = mode; \
428 __mode = __mode; /* no set-but-unused warning */ \
431 /* space allocation */
432 #define XFS_EXTENT_BUSY_DISCARDED 0x01 /* undergoing a discard op. */
433 #define XFS_EXTENT_BUSY_SKIP_DISCARD 0x02 /* do not discard */
435 #define xfs_extent_busy_reuse(mp,ag,bno,len,user) ((void) 0)
436 /* avoid unused variable warning */
437 #define xfs_extent_busy_insert(tp,ag,bno,len,flags)({ \
438 xfs_agnumber_t __foo = ag; \
439 __foo = __foo; /* no set-but-unused warning */ \
441 #define xfs_extent_busy_trim(args,bno,len,busy_gen) ({ \
442 unsigned __foo = *(busy_gen); \
443 *(busy_gen) = __foo; \
446 #define xfs_extent_busy_flush(mp,pag,busy_gen) ((void)(0))
448 #define xfs_rotorstep 1
449 #define xfs_bmap_rtalloc(a) (-ENOSYS)
450 #define xfs_get_extsz_hint(ip) (0)
451 #define xfs_get_cowextsz_hint(ip) (0)
452 #define xfs_inode_is_filestream(ip) (0)
453 #define xfs_filestream_lookup_ag(ip) (0)
454 #define xfs_filestream_new_ag(ip,ag) (0)
457 #define xfs_trans_mod_dquot_byino(t,i,f,d) ((void) 0)
458 #define xfs_trans_reserve_quota_nblks(t,i,b,n,f) (0)
459 #define xfs_trans_unreserve_quota_nblks(t,i,b,n,f) ((void) 0)
460 #define xfs_qm_dqattach(i) (0)
462 #define uuid_copy(s,d) platform_uuid_copy((s),(d))
463 #define uuid_equal(s,d) (platform_uuid_compare((s),(d)) == 0)
465 #define xfs_icreate_log(tp, agno, agbno, cnt, isize, len, gen) ((void) 0)
466 #define xfs_sb_validate_fsb_count(sbp, nblks) (0)
469 * Prototypes for kernel static functions that are aren't in their
470 * associated header files.
473 struct xfs_bmap_free
;
474 struct xfs_bmap_free_item
;
482 struct xfs_buf_log_item
;
486 int xfs_attr_rmtval_get(struct xfs_da_args
*);
489 void xfs_bmap_del_free(struct xfs_bmap_free
*, struct xfs_bmap_free_item
*);
492 int xfs_initialize_perag_data(struct xfs_mount
*, xfs_agnumber_t
);
493 void xfs_mount_common(struct xfs_mount
*, struct xfs_sb
*);
496 * logitem.c and trans.c prototypes
498 void xfs_trans_init(struct xfs_mount
*);
499 int xfs_trans_roll(struct xfs_trans
**);
501 /* xfs_trans_item.c */
502 void xfs_trans_add_item(struct xfs_trans
*, struct xfs_log_item
*);
503 void xfs_trans_del_item(struct xfs_log_item
*);
505 /* xfs_inode_item.c */
506 void xfs_inode_item_init(struct xfs_inode
*, struct xfs_mount
*);
509 void xfs_buf_item_init(struct xfs_buf
*, struct xfs_mount
*);
510 void xfs_buf_item_log(struct xfs_buf_log_item
*, uint
, uint
);
512 /* xfs_trans_buf.c */
513 struct xfs_buf
*xfs_trans_buf_item_match(struct xfs_trans
*,
514 struct xfs_buftarg
*, struct xfs_buf_map
*, int);
516 /* local source files */
517 #define xfs_mod_fdblocks(mp, delta, rsvd) \
518 libxfs_mod_incore_sb(mp, XFS_TRANS_SB_FDBLOCKS, delta, rsvd)
519 #define xfs_mod_frextents(mp, delta) \
520 libxfs_mod_incore_sb(mp, XFS_TRANS_SB_FREXTENTS, delta, 0)
521 int libxfs_mod_incore_sb(struct xfs_mount
*, int, int64_t, int);
522 /* percpu counters in mp are #defined to the superblock sb_ counters */
523 #define xfs_reinit_percpu_counters(mp)
525 void xfs_trans_mod_sb(struct xfs_trans
*, uint
, long);
527 void xfs_verifier_error(struct xfs_buf
*bp
, int error
,
528 xfs_failaddr_t failaddr
);
529 void xfs_inode_verifier_error(struct xfs_inode
*ip
, int error
,
530 const char *name
, void *buf
, size_t bufsz
,
531 xfs_failaddr_t failaddr
);
533 #define xfs_buf_verifier_error(bp,e,n,bu,bus,fa) \
534 xfs_verifier_error(bp, e, fa)
536 /* XXX: this is clearly a bug - a shared header needs to export this */
538 int libxfs_rtfree_extent(struct xfs_trans
*, xfs_rtblock_t
, xfs_extlen_t
);
539 bool libxfs_verify_rtbno(struct xfs_mount
*mp
, xfs_rtblock_t rtbno
);
541 struct xfs_rtalloc_rec
{
542 xfs_rtblock_t ar_startext
;
543 xfs_rtblock_t ar_extcount
;
546 typedef int (*xfs_rtalloc_query_range_fn
)(
547 struct xfs_trans
*tp
,
548 struct xfs_rtalloc_rec
*rec
,
551 int libxfs_zero_extent(struct xfs_inode
*ip
, xfs_fsblock_t start_fsb
,
552 xfs_off_t count_fsb
);
555 bool xfs_log_check_lsn(struct xfs_mount
*, xfs_lsn_t
);
556 void xfs_log_item_init(struct xfs_mount
*, struct xfs_log_item
*, int);
557 #define xfs_log_in_recovery(mp) (false)
560 #define xfs_inode_set_cowblocks_tag(ip) do { } while (0)
561 #define xfs_inode_set_eofblocks_tag(ip) do { } while (0)
564 #define XFS_STATS_CALC_INDEX(member) 0
565 #define XFS_STATS_INC_OFF(mp, off)
566 #define XFS_STATS_ADD_OFF(mp, off, val)
568 typedef unsigned char u8
;
569 unsigned int hweight8(unsigned int w
);
570 unsigned int hweight32(unsigned int w
);
571 unsigned int hweight64(__u64 w
);
573 #define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
574 #define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
576 static inline void set_bit(int nr
, volatile unsigned long *addr
)
578 unsigned long mask
= BIT_MASK(nr
);
579 unsigned long *p
= ((unsigned long *)addr
) + BIT_WORD(nr
);
584 static inline void clear_bit(int nr
, volatile unsigned long *addr
)
586 unsigned long mask
= BIT_MASK(nr
);
587 unsigned long *p
= ((unsigned long *)addr
) + BIT_WORD(nr
);
592 static inline int test_bit(int nr
, const volatile unsigned long *addr
)
594 unsigned long mask
= BIT_MASK(nr
);
595 unsigned long *p
= ((unsigned long *)addr
) + BIT_WORD(nr
);
600 /* Sets and returns original value of the bit */
601 static inline int test_and_set_bit(int nr
, volatile unsigned long *addr
)
603 if (test_bit(nr
, addr
))
609 /* Keep static checkers quiet about nonstatic functions by exporting */
610 int xfs_inode_hasattr(struct xfs_inode
*ip
);
611 int xfs_attr_get_ilocked(struct xfs_inode
*ip
, struct xfs_da_args
*args
);
612 int xfs_attr_get(struct xfs_inode
*ip
, const unsigned char *name
,
613 unsigned char **value
, int *valuelenp
, int flags
);
614 int xfs_attr_set(struct xfs_inode
*dp
, const unsigned char *name
,
615 unsigned char *value
, int valuelen
, int flags
);
616 int xfs_attr_remove(struct xfs_inode
*dp
, const unsigned char *name
, int flags
);
618 int xfs_rtbuf_get(struct xfs_mount
*mp
, struct xfs_trans
*tp
,
619 xfs_rtblock_t block
, int issum
, struct xfs_buf
**bpp
);
620 int xfs_rtcheck_range(struct xfs_mount
*mp
, struct xfs_trans
*tp
,
621 xfs_rtblock_t start
, xfs_extlen_t len
, int val
,
622 xfs_rtblock_t
*new, int *stat
);
623 int xfs_rtfind_back(struct xfs_mount
*mp
, struct xfs_trans
*tp
,
624 xfs_rtblock_t start
, xfs_rtblock_t limit
,
625 xfs_rtblock_t
*rtblock
);
626 int xfs_rtfind_forw(struct xfs_mount
*mp
, struct xfs_trans
*tp
,
627 xfs_rtblock_t start
, xfs_rtblock_t limit
,
628 xfs_rtblock_t
*rtblock
);
629 int xfs_rtmodify_range(struct xfs_mount
*mp
, struct xfs_trans
*tp
,
630 xfs_rtblock_t start
, xfs_extlen_t len
, int val
);
631 int xfs_rtmodify_summary_int(struct xfs_mount
*mp
, struct xfs_trans
*tp
,
632 int log
, xfs_rtblock_t bbno
, int delta
,
633 xfs_buf_t
**rbpp
, xfs_fsblock_t
*rsb
,
635 int xfs_rtmodify_summary(struct xfs_mount
*mp
, struct xfs_trans
*tp
, int log
,
636 xfs_rtblock_t bbno
, int delta
, xfs_buf_t
**rbpp
,
638 int xfs_rtfree_range(struct xfs_mount
*mp
, struct xfs_trans
*tp
,
639 xfs_rtblock_t start
, xfs_extlen_t len
,
640 struct xfs_buf
**rbpp
, xfs_fsblock_t
*rsb
);
641 int xfs_rtalloc_query_range(struct xfs_trans
*tp
,
642 struct xfs_rtalloc_rec
*low_rec
,
643 struct xfs_rtalloc_rec
*high_rec
,
644 xfs_rtalloc_query_range_fn fn
,
646 int xfs_rtalloc_query_all(struct xfs_trans
*tp
,
647 xfs_rtalloc_query_range_fn fn
,
649 bool xfs_verify_rtbno(struct xfs_mount
*mp
, xfs_rtblock_t rtbno
);
650 int xfs_rtalloc_extent_is_free(struct xfs_mount
*mp
, struct xfs_trans
*tp
,
651 xfs_rtblock_t start
, xfs_extlen_t len
,
653 /* xfs_bmap_util.h */
655 int xfs_bmap_extsize_align(struct xfs_mount
*mp
, struct xfs_bmbt_irec
*gotp
,
656 struct xfs_bmbt_irec
*prevp
, xfs_extlen_t extsz
,
657 int rt
, int eof
, int delay
, int convert
,
658 xfs_fileoff_t
*offp
, xfs_extlen_t
*lenp
);
659 void xfs_bmap_adjacent(struct xfs_bmalloca
*ap
);
660 int xfs_bmap_last_extent(struct xfs_trans
*tp
, struct xfs_inode
*ip
,
661 int whichfork
, struct xfs_bmbt_irec
*rec
,
664 #endif /* __LIBXFS_INTERNAL_XFS_H__ */