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959ef981 | 1 | // SPDX-License-Identifier: GPL-2.0 |
2bd0ea18 | 2 | /* |
da23017d NS |
3 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
4 | * All Rights Reserved. | |
2bd0ea18 NS |
5 | */ |
6 | ||
7 | /* | |
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. | |
14 | * | |
15 | * It should only ever be #include'd by XFS "kernel" code being | |
16 | * compiled in user space. | |
dfc130f3 | 17 | * |
2bd0ea18 NS |
18 | * Our goals here are to... |
19 | * o "share" large amounts of complex code between user and | |
20 | * kernel space; | |
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. | |
31 | */ | |
32 | ||
f616e2bf DC |
33 | /* |
34 | * define a guard and something we can check to determine what include context | |
35 | * we are running from. | |
36 | */ | |
b626fb59 DC |
37 | #ifndef __LIBXFS_INTERNAL_XFS_H__ |
38 | #define __LIBXFS_INTERNAL_XFS_H__ | |
f616e2bf | 39 | |
e515cca1 | 40 | #include "libxfs_api_defs.h" |
6b803e5a | 41 | #include "platform_defs.h" |
dcabd4e7 | 42 | #include "xfs.h" |
b626fb59 | 43 | |
6b803e5a CH |
44 | #include "list.h" |
45 | #include "hlist.h" | |
46 | #include "cache.h" | |
47 | #include "bitops.h" | |
48 | #include "kmem.h" | |
8bf7924e | 49 | #include "libfrog/radix-tree.h" |
03dc2ef2 | 50 | #include "libfrog/bitmask.h" |
af71e8c1 | 51 | #include "libfrog/div64.h" |
6b803e5a | 52 | #include "atomic.h" |
686bddf9 | 53 | #include "spinlock.h" |
128ba9ce | 54 | #include "linux-err.h" |
b626fb59 | 55 | |
6b803e5a CH |
56 | #include "xfs_types.h" |
57 | #include "xfs_arch.h" | |
b626fb59 | 58 | |
6b803e5a | 59 | #include "xfs_fs.h" |
63153a95 | 60 | #include "libfrog/crc32c.h" |
b626fb59 | 61 | |
a392fd5a CH |
62 | #include <sys/xattr.h> |
63 | ||
4e006361 | 64 | /* Zones used in libxfs allocations that aren't in shared header files */ |
2e1394fc DW |
65 | extern struct kmem_cache *xfs_buf_item_cache; |
66 | extern struct kmem_cache *xfs_ili_cache; | |
67 | extern struct kmem_cache *xfs_buf_cache; | |
68 | extern struct kmem_cache *xfs_inode_cache; | |
69 | extern struct kmem_cache *xfs_trans_cache; | |
4e006361 | 70 | |
75f533e6 | 71 | /* fake up iomap, (not) used in xfs_bmap.[ch] */ |
8b4c5cd1 | 72 | #define IOMAP_F_SHARED 0x04 |
1dcdf505 | 73 | #define xfs_bmbt_to_iomap(a, b, c, d, e, f) ((void) 0) |
75f533e6 | 74 | |
b626fb59 | 75 | /* CRC stuff, buffer API dependent on it */ |
b626fb59 DC |
76 | #define crc32c(c,p,l) crc32c_le((c),(unsigned char const *)(p),(l)) |
77 | ||
75f533e6 CH |
78 | /* fake up kernel's iomap, (not) used in xfs_bmap.[ch] */ |
79 | struct iomap; | |
80 | ||
8804eace ES |
81 | #define cancel_delayed_work_sync(work) do { } while(0) |
82 | ||
6b803e5a | 83 | #include "xfs_cksum.h" |
b626fb59 DC |
84 | |
85 | /* | |
86 | * This mirrors the kernel include for xfs_buf.h - it's implicitly included in | |
87 | * every files via a similar include in the kernel xfs_linux.h. | |
88 | */ | |
897853d5 | 89 | #include "libxfs_io.h" |
b626fb59 DC |
90 | |
91 | /* for all the support code that uses progname in error messages */ | |
92 | extern char *progname; | |
2bd0ea18 | 93 | |
a2ceac1f DC |
94 | #undef ASSERT |
95 | #define ASSERT(ex) assert(ex) | |
5e656dbb | 96 | |
dc9b1f58 CH |
97 | /* |
98 | * We have no need for the "linux" dev_t in userspace, so these | |
99 | * are no-ops, and an xfs_dev_t is stored in VFS_I(ip)->i_rdev | |
100 | */ | |
101 | #define xfs_to_linux_dev_t(dev) dev | |
102 | #define linux_to_xfs_dev_t(dev) dev | |
551174eb | 103 | |
a2ceac1f DC |
104 | #ifndef EWRONGFS |
105 | #define EWRONGFS EINVAL | |
106 | #endif | |
5e656dbb | 107 | |
56b2de80 | 108 | #define xfs_error_level 0 |
5e656dbb BN |
109 | |
110 | #define STATIC static | |
5e656dbb | 111 | |
d7e71605 DW |
112 | /* |
113 | * Starting in Linux 4.15, the %p (raw pointer value) printk modifier | |
114 | * prints a hashed version of the pointer to avoid leaking kernel | |
115 | * pointers into dmesg. If we're trying to debug the kernel we want the | |
116 | * raw values, so override this behavior as best we can. | |
117 | * | |
118 | * In userspace we don't have this problem. | |
119 | */ | |
120 | #define PTR_FMT "%p" | |
121 | ||
5dcd1db5 DC |
122 | #define XFS_IGET_CREATE 0x1 |
123 | #define XFS_IGET_UNTRUSTED 0x2 | |
124 | ||
b626fb59 DC |
125 | extern void cmn_err(int, char *, ...); |
126 | enum ce { CE_DEBUG, CE_CONT, CE_NOTE, CE_WARN, CE_ALERT, CE_PANIC }; | |
127 | ||
c16edcd7 | 128 | #define xfs_info(mp,fmt,args...) cmn_err(CE_CONT, _(fmt), ## args) |
8faa41b4 | 129 | #define xfs_notice(mp,fmt,args...) cmn_err(CE_NOTE, _(fmt), ## args) |
60066f61 | 130 | #define xfs_warn(mp,fmt,args...) cmn_err((mp) ? CE_WARN : CE_WARN, _(fmt), ## args) |
8faa41b4 GX |
131 | #define xfs_err(mp,fmt,args...) cmn_err(CE_ALERT, _(fmt), ## args) |
132 | #define xfs_alert(mp,fmt,args...) cmn_err(CE_ALERT, _(fmt), ## args) | |
7cf9f816 | 133 | |
a8bbb628 DW |
134 | #define xfs_buf_ioerror_alert(bp,f) ((void) 0); |
135 | ||
b626fb59 | 136 | #define xfs_hex_dump(d,n) ((void) 0) |
8791bf6b ES |
137 | #define xfs_stack_trace() ((void) 0) |
138 | ||
b626fb59 | 139 | |
6f4c54a4 | 140 | #define xfs_force_shutdown(d,n) ((void) 0) |
f73690fe | 141 | #define xfs_mod_delalloc(a,b) ((void) 0) |
b626fb59 | 142 | |
a2ceac1f | 143 | /* stop unused var warnings by assigning mp to itself */ |
15348e04 | 144 | |
3177b915 | 145 | #define xfs_corruption_error(e,l,mp,b,sz,fi,ln,fa) do { \ |
15348e04 DW |
146 | (mp) = (mp); \ |
147 | cmn_err(CE_ALERT, "%s: XFS_CORRUPTION_ERROR", (e)); \ | |
148 | } while (0) | |
149 | ||
3177b915 | 150 | #define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) do { \ |
e0607266 DC |
151 | (mp) = (mp); \ |
152 | cmn_err(CE_ALERT, "%s: XFS_CORRUPTION_ERROR", (e)); \ | |
153 | } while (0) | |
154 | ||
155 | #define XFS_ERROR_REPORT(e,l,mp) do { \ | |
156 | (mp) = (mp); \ | |
157 | cmn_err(CE_ALERT, "%s: XFS_ERROR_REPORT", (e)); \ | |
158 | } while (0) | |
159 | ||
fbb4fa7f | 160 | #define XFS_WARN_CORRUPT(mp, expr) \ |
2420d095 | 161 | ( xfs_is_reporting_corruption(mp) ? \ |
fbb4fa7f DW |
162 | (printf("%s: XFS_WARN_CORRUPT at %s:%d", #expr, \ |
163 | __func__, __LINE__), true) : true) | |
164 | ||
165 | #define XFS_IS_CORRUPT(mp, expr) \ | |
166 | (unlikely(expr) ? XFS_WARN_CORRUPT((mp), (expr)) : false) | |
167 | ||
5e656dbb | 168 | #define XFS_ERRLEVEL_LOW 1 |
5e656dbb | 169 | #define XFS_ILOCK_EXCL 0 |
ece930fa CH |
170 | #define XFS_STATS_INC(mp, count) do { (mp) = (mp); } while (0) |
171 | #define XFS_STATS_DEC(mp, count, x) do { (mp) = (mp); } while (0) | |
172 | #define XFS_STATS_ADD(mp, count, x) do { (mp) = (mp); } while (0) | |
e2a190dd | 173 | #define XFS_TEST_ERROR(expr,a,b) ( expr ) |
5e656dbb | 174 | |
c16edcd7 DW |
175 | #define __section(section) __attribute__((__section__(section))) |
176 | ||
177 | #define xfs_printk_once(func, dev, fmt, ...) \ | |
178 | ({ \ | |
179 | static bool __section(".data.once") __print_once; \ | |
180 | bool __ret_print_once = !__print_once; \ | |
181 | \ | |
182 | if (!__print_once) { \ | |
183 | __print_once = true; \ | |
184 | func(dev, fmt, ##__VA_ARGS__); \ | |
185 | } \ | |
186 | unlikely(__ret_print_once); \ | |
187 | }) | |
188 | ||
189 | #define xfs_info_once(dev, fmt, ...) \ | |
190 | xfs_printk_once(xfs_info, dev, fmt, ##__VA_ARGS__) | |
191 | ||
5e656dbb | 192 | /* miscellaneous kernel routines not in user space */ |
5e656dbb BN |
193 | #define likely(x) (x) |
194 | #define unlikely(x) (x) | |
e4da1b16 | 195 | |
c1587ecf | 196 | /* Need to be able to handle this bare or in control flow */ |
c08793bd | 197 | static inline bool WARN_ON(bool expr) { |
c1587ecf CH |
198 | return (expr); |
199 | } | |
19ebedcf | 200 | |
c08793bd | 201 | #define WARN_ON_ONCE(e) WARN_ON(e) |
cbf3beaa GW |
202 | #define percpu_counter_read(x) (*x) |
203 | #define percpu_counter_read_positive(x) ((*x) > 0 ? (*x) : 0) | |
204 | #define percpu_counter_sum(x) (*x) | |
5e656dbb | 205 | |
2bd0ea18 | 206 | /* |
11d2f5af JD |
207 | * get_random_u32 is used for di_gen inode allocation, it must be zero for |
208 | * libxfs or all sorts of badness can occur! | |
2bd0ea18 | 209 | */ |
11d2f5af | 210 | #define get_random_u32() (0) |
2bd0ea18 | 211 | |
b2327e1a | 212 | #define PAGE_SIZE getpagesize() |
2bd0ea18 | 213 | |
d5105a89 JL |
214 | #define inode_peek_iversion(inode) (inode)->i_version |
215 | #define inode_set_iversion_queried(inode, version) do { \ | |
216 | (inode)->i_version = (version); \ | |
217 | } while (0) | |
218 | ||
5e656dbb BN |
219 | #define min_t(type,x,y) \ |
220 | ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; }) | |
221 | #define max_t(type,x,y) \ | |
222 | ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; }) | |
57c9fccb | 223 | |
50c8d191 GS |
224 | /** |
225 | * swap - swap values of @a and @b | |
226 | * @a: first value | |
227 | * @b: second value | |
228 | */ | |
229 | #define swap(a, b) \ | |
230 | do { typeof(a) __tmp = (a); (a) = (b); (b) = __tmp; } while (0) | |
91eba724 | 231 | |
7338c4b8 BF |
232 | #define __round_mask(x, y) ((__typeof__(x))((y)-1)) |
233 | #define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1) | |
234 | #define round_down(x, y) ((x) & ~__round_mask(x, y)) | |
235 | #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) | |
236 | ||
237 | /* | |
238 | * Handling for kernel bitmap types. | |
239 | */ | |
240 | #define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, NBBY * sizeof(long)) | |
241 | #define DECLARE_BITMAP(name,bits) \ | |
242 | unsigned long name[BITS_TO_LONGS(bits)] | |
243 | #define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) | |
244 | ||
245 | /* | |
246 | * This is a common helper function for find_next_bit and | |
247 | * find_next_zero_bit. The difference is the "invert" argument, which | |
248 | * is XORed with each fetched word before searching it for one bits. | |
249 | */ | |
250 | static inline unsigned long | |
251 | _find_next_bit(const unsigned long *addr, unsigned long nbits, | |
252 | unsigned long start, unsigned long invert) | |
253 | { | |
254 | unsigned long tmp; | |
255 | ||
256 | if (!nbits || start >= nbits) | |
257 | return nbits; | |
258 | ||
259 | tmp = addr[start / BITS_PER_LONG] ^ invert; | |
260 | ||
261 | /* Handle 1st word. */ | |
262 | tmp &= BITMAP_FIRST_WORD_MASK(start); | |
263 | start = round_down(start, BITS_PER_LONG); | |
264 | ||
265 | while (!tmp) { | |
266 | start += BITS_PER_LONG; | |
267 | if (start >= nbits) | |
268 | return nbits; | |
269 | ||
270 | tmp = addr[start / BITS_PER_LONG] ^ invert; | |
271 | } | |
272 | ||
273 | return min(start + ffs(tmp), nbits); | |
274 | } | |
275 | ||
276 | /* | |
277 | * Find the next set bit in a memory region. | |
278 | */ | |
279 | static inline unsigned long | |
280 | find_next_bit(const unsigned long *addr, unsigned long size, | |
281 | unsigned long offset) | |
282 | { | |
283 | return _find_next_bit(addr, size, offset, 0UL); | |
284 | } | |
285 | static inline unsigned long | |
286 | find_next_zero_bit(const unsigned long *addr, unsigned long size, | |
287 | unsigned long offset) | |
288 | { | |
289 | return _find_next_bit(addr, size, offset, ~0UL); | |
290 | } | |
291 | #define find_first_zero_bit(addr, size) find_next_zero_bit((addr), (size), 0) | |
91eba724 | 292 | |
5e656dbb BN |
293 | static inline __attribute__((const)) |
294 | int is_power_of_2(unsigned long n) | |
295 | { | |
296 | return (n != 0 && ((n & (n - 1)) == 0)); | |
297 | } | |
2bd0ea18 NS |
298 | |
299 | /* | |
5e656dbb | 300 | * xfs_iroundup: round up argument to next power of two |
2bd0ea18 | 301 | */ |
5e656dbb BN |
302 | static inline uint |
303 | roundup_pow_of_two(uint v) | |
304 | { | |
305 | int i; | |
306 | uint m; | |
307 | ||
308 | if ((v & (v - 1)) == 0) | |
309 | return v; | |
310 | ASSERT((v & 0x80000000) == 0); | |
311 | if ((v & (v + 1)) == 0) | |
312 | return v + 1; | |
313 | for (i = 0, m = 1; i < 31; i++, m <<= 1) { | |
314 | if (v & m) | |
315 | continue; | |
316 | v |= m; | |
317 | if ((v & (v + 1)) == 0) | |
318 | return v + 1; | |
319 | } | |
320 | ASSERT(0); | |
321 | return 0; | |
322 | } | |
2bd0ea18 NS |
323 | |
324 | /* buffer management */ | |
e8a1c983 | 325 | #define XBF_TRYLOCK 0 |
a2ceac1f | 326 | #define XBF_UNMAPPED 0 |
e9d35108 | 327 | #define XBF_DONE 0 |
a2ceac1f | 328 | #define xfs_buf_stale(bp) ((bp)->b_flags |= LIBXFS_B_STALE) |
f1b058f9 | 329 | #define XFS_BUF_UNDELAYWRITE(bp) ((bp)->b_flags &= ~LIBXFS_B_DIRTY) |
5e656dbb | 330 | |
2efa10f3 DC |
331 | /* buffer type flags for write callbacks */ |
332 | #define _XBF_INODES 0 /* inode buffer */ | |
333 | #define _XBF_DQUOTS 0 /* dquot buffer */ | |
334 | #define _XBF_LOGRECOVERY 0 /* log recovery buffer */ | |
335 | ||
0b2f4162 DC |
336 | static inline int |
337 | xfs_buf_incore( | |
338 | struct xfs_buftarg *target, | |
339 | xfs_daddr_t blkno, | |
340 | size_t numblks, | |
341 | xfs_buf_flags_t flags, | |
342 | struct xfs_buf **bpp) | |
d11bffea | 343 | { |
0b2f4162 DC |
344 | *bpp = NULL; |
345 | return -ENOENT; | |
d11bffea CH |
346 | } |
347 | ||
971ce259 | 348 | #define xfs_buf_oneshot(bp) ((void) 0) |
57c9fccb | 349 | |
69806fff CH |
350 | #define xfs_buf_zero(bp, off, len) \ |
351 | memset((bp)->b_addr + off, 0, len); | |
2bd0ea18 | 352 | |
1be76d11 DW |
353 | void __xfs_buf_mark_corrupt(struct xfs_buf *bp, xfs_failaddr_t fa); |
354 | #define xfs_buf_mark_corrupt(bp) __xfs_buf_mark_corrupt((bp), __this_address) | |
355 | ||
5e656dbb | 356 | /* mount stuff */ |
5e656dbb | 357 | #define xfs_trans_set_sync(tp) ((void) 0) |
6bddecbc DC |
358 | #define xfs_trans_buf_set_type(tp, bp, t) ({ \ |
359 | int __t = (t); \ | |
360 | __t = __t; /* no set-but-unused warning */ \ | |
fca3ed92 | 361 | tp = tp; /* no set-but-unused warning */ \ |
6bddecbc DC |
362 | }) |
363 | ||
8b4dc4a9 | 364 | #define xfs_trans_buf_copy_type(dbp, sbp) |
5e656dbb | 365 | |
10851b18 DC |
366 | /* no readahead, need to avoid set-but-unused var warnings. */ |
367 | #define xfs_buf_readahead(a,d,c,ops) ({ \ | |
368 | xfs_daddr_t __d = d; \ | |
369 | __d = __d; /* no set-but-unused warning */ \ | |
370 | }) | |
a2ceac1f | 371 | #define xfs_buf_readahead_map(a,b,c,ops) ((void) 0) /* no readahead */ |
5e656dbb | 372 | |
5e656dbb | 373 | #define xfs_sort qsort |
2bd0ea18 | 374 | |
5e656dbb | 375 | #define xfs_ilock(ip,mode) ((void) 0) |
ff105f75 DC |
376 | #define xfs_ilock_data_map_shared(ip) (0) |
377 | #define xfs_ilock_attr_map_shared(ip) (0) | |
378 | #define xfs_iunlock(ip,mode) ({ \ | |
379 | typeof(mode) __mode = mode; \ | |
380 | __mode = __mode; /* no set-but-unused warning */ \ | |
381 | }) | |
7d6b86ac | 382 | #define xfs_lock_two_inodes(ip0,mode0,ip1,mode1) ((void) 0) |
2bd0ea18 | 383 | |
5e656dbb | 384 | /* space allocation */ |
3a13f959 BF |
385 | #define XFS_EXTENT_BUSY_DISCARDED 0x01 /* undergoing a discard op. */ |
386 | #define XFS_EXTENT_BUSY_SKIP_DISCARD 0x02 /* do not discard */ | |
387 | ||
a2ceac1f | 388 | #define xfs_extent_busy_reuse(mp,ag,bno,len,user) ((void) 0) |
aefc06c1 | 389 | /* avoid unused variable warning */ |
7635c486 DC |
390 | #define xfs_extent_busy_insert(tp,pag,bno,len,flags)({ \ |
391 | struct xfs_perag *__foo = pag; \ | |
aefc06c1 ES |
392 | __foo = __foo; /* no set-but-unused warning */ \ |
393 | }) | |
cd80de04 CH |
394 | #define xfs_extent_busy_trim(args,bno,len,busy_gen) ({ \ |
395 | unsigned __foo = *(busy_gen); \ | |
396 | *(busy_gen) = __foo; \ | |
397 | false; \ | |
398 | }) | |
4127f5dc | 399 | #define xfs_extent_busy_flush(tp,pag,busy_gen,alloc_flags) ((int)(0)) |
a2ceac1f | 400 | |
5e656dbb | 401 | #define xfs_rotorstep 1 |
1f2ace68 | 402 | #define xfs_bmap_rtalloc(a) (-ENOSYS) |
5e656dbb | 403 | #define xfs_get_extsz_hint(ip) (0) |
10460994 | 404 | #define xfs_get_cowextsz_hint(ip) (0) |
5e656dbb BN |
405 | #define xfs_inode_is_filestream(ip) (0) |
406 | #define xfs_filestream_lookup_ag(ip) (0) | |
407 | #define xfs_filestream_new_ag(ip,ag) (0) | |
12ae6818 | 408 | #define xfs_filestream_select_ag(...) (-ENOSYS) |
2bd0ea18 | 409 | |
a2ceac1f DC |
410 | /* quota bits */ |
411 | #define xfs_trans_mod_dquot_byino(t,i,f,d) ((void) 0) | |
412 | #define xfs_trans_reserve_quota_nblks(t,i,b,n,f) (0) | |
7cd46253 DW |
413 | |
414 | /* hack too silence gcc */ | |
415 | static inline int retzero(void) { return 0; } | |
416 | #define xfs_trans_unreserve_quota_nblks(t,i,b,n,f) retzero() | |
9fcc3af9 | 417 | #define xfs_quota_unreserve_blkres(i,b) retzero() |
7cd46253 | 418 | |
9fcc3af9 DW |
419 | #define xfs_quota_reserve_blkres(i,b) (0) |
420 | #define xfs_qm_dqattach(i) (0) | |
a2ceac1f | 421 | |
5dfa5cd2 DC |
422 | #define uuid_copy(s,d) platform_uuid_copy((s),(d)) |
423 | #define uuid_equal(s,d) (platform_uuid_compare((s),(d)) == 0) | |
424 | ||
e9d35108 | 425 | #define xfs_icreate_log(tp, agno, agbno, cnt, isize, len, gen) ((void) 0) |
4896e6c8 | 426 | #define xfs_sb_validate_fsb_count(sbp, nblks) (0) |
e9d35108 | 427 | |
2bd0ea18 | 428 | /* |
5e656dbb | 429 | * Prototypes for kernel static functions that are aren't in their |
b626fb59 | 430 | * associated header files. |
2bd0ea18 | 431 | */ |
b626fb59 DC |
432 | struct xfs_da_args; |
433 | struct xfs_bmap_free; | |
434 | struct xfs_bmap_free_item; | |
435 | struct xfs_mount; | |
436 | struct xfs_sb; | |
437 | struct xfs_trans; | |
438 | struct xfs_inode; | |
439 | struct xfs_log_item; | |
440 | struct xfs_buf; | |
441 | struct xfs_buf_map; | |
442 | struct xfs_buf_log_item; | |
443 | struct xfs_buftarg; | |
2bd0ea18 | 444 | |
5e656dbb BN |
445 | /* xfs_attr.c */ |
446 | int xfs_attr_rmtval_get(struct xfs_da_args *); | |
2bd0ea18 NS |
447 | |
448 | /* xfs_bmap.c */ | |
2cf6d225 | 449 | void xfs_bmap_del_free(struct xfs_bmap_free *, struct xfs_bmap_free_item *); |
5e656dbb BN |
450 | |
451 | /* xfs_mount.c */ | |
b626fb59 | 452 | void xfs_mount_common(struct xfs_mount *, struct xfs_sb *); |
5e656dbb BN |
453 | |
454 | /* | |
455 | * logitem.c and trans.c prototypes | |
456 | */ | |
4329aa4c | 457 | void xfs_trans_init(struct xfs_mount *); |
d67406c9 | 458 | int xfs_trans_roll(struct xfs_trans **); |
2bd0ea18 NS |
459 | |
460 | /* xfs_trans_item.c */ | |
c40bdaa2 DC |
461 | void xfs_trans_add_item(struct xfs_trans *, struct xfs_log_item *); |
462 | void xfs_trans_del_item(struct xfs_log_item *); | |
2bd0ea18 | 463 | |
2bd0ea18 | 464 | /* xfs_inode_item.c */ |
b626fb59 | 465 | void xfs_inode_item_init(struct xfs_inode *, struct xfs_mount *); |
2bd0ea18 NS |
466 | |
467 | /* xfs_buf_item.c */ | |
b626fb59 DC |
468 | void xfs_buf_item_init(struct xfs_buf *, struct xfs_mount *); |
469 | void xfs_buf_item_log(struct xfs_buf_log_item *, uint, uint); | |
2bd0ea18 | 470 | |
5e656dbb | 471 | /* xfs_trans_buf.c */ |
b626fb59 DC |
472 | struct xfs_buf *xfs_trans_buf_item_match(struct xfs_trans *, |
473 | struct xfs_buftarg *, struct xfs_buf_map *, int); | |
5e656dbb | 474 | |
2bd0ea18 | 475 | /* local source files */ |
19ebedcf DC |
476 | #define xfs_mod_fdblocks(mp, delta, rsvd) \ |
477 | libxfs_mod_incore_sb(mp, XFS_TRANS_SB_FDBLOCKS, delta, rsvd) | |
478 | #define xfs_mod_frextents(mp, delta) \ | |
479 | libxfs_mod_incore_sb(mp, XFS_TRANS_SB_FREXTENTS, delta, 0) | |
480 | int libxfs_mod_incore_sb(struct xfs_mount *, int, int64_t, int); | |
2dd13604 ES |
481 | /* percpu counters in mp are #defined to the superblock sb_ counters */ |
482 | #define xfs_reinit_percpu_counters(mp) | |
19ebedcf | 483 | |
b626fb59 | 484 | void xfs_trans_mod_sb(struct xfs_trans *, uint, long); |
15348e04 | 485 | |
1d3bac1f DW |
486 | void xfs_verifier_error(struct xfs_buf *bp, int error, |
487 | xfs_failaddr_t failaddr); | |
488 | void xfs_inode_verifier_error(struct xfs_inode *ip, int error, | |
489 | const char *name, void *buf, size_t bufsz, | |
490 | xfs_failaddr_t failaddr); | |
f616e2bf | 491 | |
43f7ceb5 DW |
492 | #define xfs_buf_verifier_error(bp,e,n,bu,bus,fa) \ |
493 | xfs_verifier_error(bp, e, fa) | |
a0264b73 | 494 | void |
9f09216e | 495 | xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa); |
43f7ceb5 | 496 | |
b626fb59 DC |
497 | /* XXX: this is clearly a bug - a shared header needs to export this */ |
498 | /* xfs_rtalloc.c */ | |
499 | int libxfs_rtfree_extent(struct xfs_trans *, xfs_rtblock_t, xfs_extlen_t); | |
0cf6a3a9 | 500 | bool libxfs_verify_rtbno(struct xfs_mount *mp, xfs_rtblock_t rtbno); |
b626fb59 | 501 | |
0b10a7f4 | 502 | struct xfs_rtalloc_rec { |
858ae338 DW |
503 | xfs_rtblock_t ar_startext; |
504 | xfs_rtblock_t ar_extcount; | |
0b10a7f4 DW |
505 | }; |
506 | ||
507 | typedef int (*xfs_rtalloc_query_range_fn)( | |
90880f92 | 508 | struct xfs_mount *mp, |
9eb4f400 DW |
509 | struct xfs_trans *tp, |
510 | const struct xfs_rtalloc_rec *rec, | |
511 | void *priv); | |
0b10a7f4 | 512 | |
9542ae13 DC |
513 | int libxfs_zero_extent(struct xfs_inode *ip, xfs_fsblock_t start_fsb, |
514 | xfs_off_t count_fsb); | |
515 | ||
4a12ea99 | 516 | /* xfs_log.c */ |
05a3a389 | 517 | struct xfs_item_ops; |
a65d8d29 | 518 | bool xfs_log_check_lsn(struct xfs_mount *, xfs_lsn_t); |
05a3a389 DW |
519 | void xfs_log_item_init(struct xfs_mount *mp, struct xfs_log_item *lip, int type, |
520 | const struct xfs_item_ops *ops); | |
4a12ea99 AH |
521 | #define xfs_attr_use_log_assist(mp) (0) |
522 | #define xlog_drop_incompat_feat(log) do { } while (0) | |
523 | #define xfs_log_in_recovery(mp) (false) | |
a65d8d29 | 524 | |
f7b1a8b1 | 525 | /* xfs_icache.c */ |
9587a34c DW |
526 | #define xfs_inode_set_cowblocks_tag(ip) do { } while (0) |
527 | #define xfs_inode_set_eofblocks_tag(ip) do { } while (0) | |
f7b1a8b1 | 528 | |
5d8acc46 DC |
529 | /* xfs_stats.h */ |
530 | #define XFS_STATS_CALC_INDEX(member) 0 | |
531 | #define XFS_STATS_INC_OFF(mp, off) | |
532 | #define XFS_STATS_ADD_OFF(mp, off, val) | |
533 | ||
4a492e72 | 534 | typedef unsigned char u8; |
c7a710b7 | 535 | unsigned int hweight8(unsigned int w); |
ec291989 DC |
536 | unsigned int hweight32(unsigned int w); |
537 | unsigned int hweight64(__u64 w); | |
5d8acc46 | 538 | |
4bcd30f6 DC |
539 | static inline int xfs_buf_hash_init(struct xfs_perag *pag) { return 0; } |
540 | static inline void xfs_buf_hash_destroy(struct xfs_perag *pag) { } | |
541 | ||
542 | static inline int xfs_iunlink_init(struct xfs_perag *pag) { return 0; } | |
543 | static inline void xfs_iunlink_destroy(struct xfs_perag *pag) { } | |
544 | ||
545 | xfs_agnumber_t xfs_set_inode_alloc(struct xfs_mount *mp, | |
546 | xfs_agnumber_t agcount); | |
547 | ||
5f56a561 | 548 | /* Keep static checkers quiet about nonstatic functions by exporting */ |
5f56a561 ES |
549 | int xfs_rtbuf_get(struct xfs_mount *mp, struct xfs_trans *tp, |
550 | xfs_rtblock_t block, int issum, struct xfs_buf **bpp); | |
551 | int xfs_rtcheck_range(struct xfs_mount *mp, struct xfs_trans *tp, | |
552 | xfs_rtblock_t start, xfs_extlen_t len, int val, | |
553 | xfs_rtblock_t *new, int *stat); | |
554 | int xfs_rtfind_back(struct xfs_mount *mp, struct xfs_trans *tp, | |
555 | xfs_rtblock_t start, xfs_rtblock_t limit, | |
556 | xfs_rtblock_t *rtblock); | |
557 | int xfs_rtfind_forw(struct xfs_mount *mp, struct xfs_trans *tp, | |
558 | xfs_rtblock_t start, xfs_rtblock_t limit, | |
559 | xfs_rtblock_t *rtblock); | |
560 | int xfs_rtmodify_range(struct xfs_mount *mp, struct xfs_trans *tp, | |
561 | xfs_rtblock_t start, xfs_extlen_t len, int val); | |
562 | int xfs_rtmodify_summary_int(struct xfs_mount *mp, struct xfs_trans *tp, | |
563 | int log, xfs_rtblock_t bbno, int delta, | |
167137fe | 564 | struct xfs_buf **rbpp, xfs_fsblock_t *rsb, |
5f56a561 ES |
565 | xfs_suminfo_t *sum); |
566 | int xfs_rtmodify_summary(struct xfs_mount *mp, struct xfs_trans *tp, int log, | |
167137fe | 567 | xfs_rtblock_t bbno, int delta, struct xfs_buf **rbpp, |
5f56a561 ES |
568 | xfs_fsblock_t *rsb); |
569 | int xfs_rtfree_range(struct xfs_mount *mp, struct xfs_trans *tp, | |
570 | xfs_rtblock_t start, xfs_extlen_t len, | |
571 | struct xfs_buf **rbpp, xfs_fsblock_t *rsb); | |
90880f92 DW |
572 | int xfs_rtalloc_query_range(struct xfs_mount *mp, |
573 | struct xfs_trans *tp, | |
9eb4f400 DW |
574 | const struct xfs_rtalloc_rec *low_rec, |
575 | const struct xfs_rtalloc_rec *high_rec, | |
5f56a561 ES |
576 | xfs_rtalloc_query_range_fn fn, |
577 | void *priv); | |
90880f92 DW |
578 | int xfs_rtalloc_query_all(struct xfs_mount *mp, |
579 | struct xfs_trans *tp, | |
5f56a561 ES |
580 | xfs_rtalloc_query_range_fn fn, |
581 | void *priv); | |
582 | bool xfs_verify_rtbno(struct xfs_mount *mp, xfs_rtblock_t rtbno); | |
583 | int xfs_rtalloc_extent_is_free(struct xfs_mount *mp, struct xfs_trans *tp, | |
584 | xfs_rtblock_t start, xfs_extlen_t len, | |
585 | bool *is_free); | |
586 | /* xfs_bmap_util.h */ | |
587 | struct xfs_bmalloca; | |
588 | int xfs_bmap_extsize_align(struct xfs_mount *mp, struct xfs_bmbt_irec *gotp, | |
589 | struct xfs_bmbt_irec *prevp, xfs_extlen_t extsz, | |
590 | int rt, int eof, int delay, int convert, | |
591 | xfs_fileoff_t *offp, xfs_extlen_t *lenp); | |
592 | void xfs_bmap_adjacent(struct xfs_bmalloca *ap); | |
593 | int xfs_bmap_last_extent(struct xfs_trans *tp, struct xfs_inode *ip, | |
594 | int whichfork, struct xfs_bmbt_irec *rec, | |
595 | int *is_empty); | |
2fdd378a | 596 | |
ed6a3429 CH |
597 | /* xfs_inode.h */ |
598 | #define xfs_iflags_set(ip, flags) do { } while (0) | |
599 | ||
b626fb59 | 600 | #endif /* __LIBXFS_INTERNAL_XFS_H__ */ |