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1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
7b718769 NS |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License as | |
1da177e4 LT |
7 | * published by the Free Software Foundation. |
8 | * | |
7b718769 NS |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
1da177e4 | 13 | * |
7b718769 NS |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
1da177e4 LT |
17 | */ |
18 | #ifndef __XFS_BTREE_H__ | |
19 | #define __XFS_BTREE_H__ | |
20 | ||
21 | struct xfs_buf; | |
22 | struct xfs_bmap_free; | |
23 | struct xfs_inode; | |
24 | struct xfs_mount; | |
25 | struct xfs_trans; | |
26 | ||
a8272ce0 DC |
27 | extern kmem_zone_t *xfs_btree_cur_zone; |
28 | ||
1da177e4 LT |
29 | /* |
30 | * This nonsense is to make -wlint happy. | |
31 | */ | |
32 | #define XFS_LOOKUP_EQ ((xfs_lookup_t)XFS_LOOKUP_EQi) | |
33 | #define XFS_LOOKUP_LE ((xfs_lookup_t)XFS_LOOKUP_LEi) | |
34 | #define XFS_LOOKUP_GE ((xfs_lookup_t)XFS_LOOKUP_GEi) | |
35 | ||
36 | #define XFS_BTNUM_BNO ((xfs_btnum_t)XFS_BTNUM_BNOi) | |
37 | #define XFS_BTNUM_CNT ((xfs_btnum_t)XFS_BTNUM_CNTi) | |
38 | #define XFS_BTNUM_BMAP ((xfs_btnum_t)XFS_BTNUM_BMAPi) | |
39 | #define XFS_BTNUM_INO ((xfs_btnum_t)XFS_BTNUM_INOi) | |
40 | ||
41 | /* | |
7cc95a82 CH |
42 | * Generic btree header. |
43 | * | |
9da096fd | 44 | * This is a combination of the actual format used on disk for short and long |
7cc95a82 CH |
45 | * format btrees. The first three fields are shared by both format, but |
46 | * the pointers are different and should be used with care. | |
47 | * | |
48 | * To get the size of the actual short or long form headers please use | |
49 | * the size macros below. Never use sizeof(xfs_btree_block). | |
1da177e4 | 50 | */ |
7cc95a82 | 51 | struct xfs_btree_block { |
16259e7d CH |
52 | __be32 bb_magic; /* magic number for block type */ |
53 | __be16 bb_level; /* 0 is a leaf */ | |
54 | __be16 bb_numrecs; /* current # of data records */ | |
16259e7d CH |
55 | union { |
56 | struct { | |
57 | __be32 bb_leftsib; | |
58 | __be32 bb_rightsib; | |
59 | } s; /* short form pointers */ | |
1da177e4 | 60 | struct { |
16259e7d CH |
61 | __be64 bb_leftsib; |
62 | __be64 bb_rightsib; | |
63 | } l; /* long form pointers */ | |
64 | } bb_u; /* rest */ | |
7cc95a82 CH |
65 | }; |
66 | ||
67 | #define XFS_BTREE_SBLOCK_LEN 16 /* size of a short form block */ | |
68 | #define XFS_BTREE_LBLOCK_LEN 24 /* size of a long form block */ | |
69 | ||
1da177e4 | 70 | |
de227dd9 CH |
71 | /* |
72 | * Generic key, ptr and record wrapper structures. | |
73 | * | |
74 | * These are disk format structures, and are converted where necessary | |
75 | * by the btree specific code that needs to interpret them. | |
76 | */ | |
77 | union xfs_btree_ptr { | |
78 | __be32 s; /* short form ptr */ | |
79 | __be64 l; /* long form ptr */ | |
80 | }; | |
81 | ||
82 | union xfs_btree_key { | |
83 | xfs_bmbt_key_t bmbt; | |
84 | xfs_bmdr_key_t bmbr; /* bmbt root block */ | |
85 | xfs_alloc_key_t alloc; | |
86 | xfs_inobt_key_t inobt; | |
87 | }; | |
88 | ||
89 | union xfs_btree_rec { | |
90 | xfs_bmbt_rec_t bmbt; | |
91 | xfs_bmdr_rec_t bmbr; /* bmbt root block */ | |
92 | xfs_alloc_rec_t alloc; | |
93 | xfs_inobt_rec_t inobt; | |
94 | }; | |
95 | ||
1da177e4 LT |
96 | /* |
97 | * For logging record fields. | |
98 | */ | |
99 | #define XFS_BB_MAGIC 0x01 | |
100 | #define XFS_BB_LEVEL 0x02 | |
101 | #define XFS_BB_NUMRECS 0x04 | |
102 | #define XFS_BB_LEFTSIB 0x08 | |
103 | #define XFS_BB_RIGHTSIB 0x10 | |
104 | #define XFS_BB_NUM_BITS 5 | |
105 | #define XFS_BB_ALL_BITS ((1 << XFS_BB_NUM_BITS) - 1) | |
106 | ||
1da177e4 LT |
107 | /* |
108 | * Magic numbers for btree blocks. | |
109 | */ | |
110 | extern const __uint32_t xfs_magics[]; | |
111 | ||
854929f0 DC |
112 | /* |
113 | * Generic stats interface | |
114 | */ | |
115 | #define __XFS_BTREE_STATS_INC(type, stat) \ | |
116 | XFS_STATS_INC(xs_ ## type ## _2_ ## stat) | |
117 | #define XFS_BTREE_STATS_INC(cur, stat) \ | |
118 | do { \ | |
119 | switch (cur->bc_btnum) { \ | |
120 | case XFS_BTNUM_BNO: __XFS_BTREE_STATS_INC(abtb, stat); break; \ | |
121 | case XFS_BTNUM_CNT: __XFS_BTREE_STATS_INC(abtc, stat); break; \ | |
122 | case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(bmbt, stat); break; \ | |
123 | case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(ibt, stat); break; \ | |
124 | case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \ | |
125 | } \ | |
126 | } while (0) | |
127 | ||
128 | #define __XFS_BTREE_STATS_ADD(type, stat, val) \ | |
129 | XFS_STATS_ADD(xs_ ## type ## _2_ ## stat, val) | |
130 | #define XFS_BTREE_STATS_ADD(cur, stat, val) \ | |
131 | do { \ | |
132 | switch (cur->bc_btnum) { \ | |
133 | case XFS_BTNUM_BNO: __XFS_BTREE_STATS_ADD(abtb, stat, val); break; \ | |
134 | case XFS_BTNUM_CNT: __XFS_BTREE_STATS_ADD(abtc, stat, val); break; \ | |
135 | case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_ADD(bmbt, stat, val); break; \ | |
136 | case XFS_BTNUM_INO: __XFS_BTREE_STATS_ADD(ibt, stat, val); break; \ | |
137 | case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \ | |
138 | } \ | |
139 | } while (0) | |
1da177e4 | 140 | |
1da177e4 LT |
141 | #define XFS_BTREE_MAXLEVELS 8 /* max of all btrees */ |
142 | ||
561f7d17 | 143 | struct xfs_btree_ops { |
65f1eaea CH |
144 | /* size of the key and record structures */ |
145 | size_t key_len; | |
146 | size_t rec_len; | |
147 | ||
561f7d17 CH |
148 | /* cursor operations */ |
149 | struct xfs_btree_cur *(*dup_cursor)(struct xfs_btree_cur *); | |
4b22a571 CH |
150 | void (*update_cursor)(struct xfs_btree_cur *src, |
151 | struct xfs_btree_cur *dst); | |
8c4ed633 | 152 | |
344207ce CH |
153 | /* update btree root pointer */ |
154 | void (*set_root)(struct xfs_btree_cur *cur, | |
c0e59e1a | 155 | union xfs_btree_ptr *nptr, int level_change); |
344207ce | 156 | |
f5eb8e7c CH |
157 | /* block allocation / freeing */ |
158 | int (*alloc_block)(struct xfs_btree_cur *cur, | |
159 | union xfs_btree_ptr *start_bno, | |
160 | union xfs_btree_ptr *new_bno, | |
161 | int length, int *stat); | |
d4b3a4b7 | 162 | int (*free_block)(struct xfs_btree_cur *cur, struct xfs_buf *bp); |
f5eb8e7c | 163 | |
278d0ca1 CH |
164 | /* update last record information */ |
165 | void (*update_lastrec)(struct xfs_btree_cur *cur, | |
166 | struct xfs_btree_block *block, | |
167 | union xfs_btree_rec *rec, | |
168 | int ptr, int reason); | |
169 | ||
ce5e42db | 170 | /* records in block/level */ |
91cca5df | 171 | int (*get_minrecs)(struct xfs_btree_cur *cur, int level); |
ce5e42db CH |
172 | int (*get_maxrecs)(struct xfs_btree_cur *cur, int level); |
173 | ||
4b22a571 CH |
174 | /* records on disk. Matter for the root in inode case. */ |
175 | int (*get_dmaxrecs)(struct xfs_btree_cur *cur, int level); | |
176 | ||
fe033cc8 CH |
177 | /* init values of btree structures */ |
178 | void (*init_key_from_rec)(union xfs_btree_key *key, | |
179 | union xfs_btree_rec *rec); | |
4b22a571 CH |
180 | void (*init_rec_from_key)(union xfs_btree_key *key, |
181 | union xfs_btree_rec *rec); | |
182 | void (*init_rec_from_cur)(struct xfs_btree_cur *cur, | |
183 | union xfs_btree_rec *rec); | |
fe033cc8 CH |
184 | void (*init_ptr_from_cur)(struct xfs_btree_cur *cur, |
185 | union xfs_btree_ptr *ptr); | |
186 | ||
187 | /* difference between key value and cursor value */ | |
188 | __int64_t (*key_diff)(struct xfs_btree_cur *cur, | |
189 | union xfs_btree_key *key); | |
190 | ||
4a26e66e CH |
191 | #ifdef DEBUG |
192 | /* check that k1 is lower than k2 */ | |
193 | int (*keys_inorder)(struct xfs_btree_cur *cur, | |
194 | union xfs_btree_key *k1, | |
195 | union xfs_btree_key *k2); | |
196 | ||
197 | /* check that r1 is lower than r2 */ | |
198 | int (*recs_inorder)(struct xfs_btree_cur *cur, | |
199 | union xfs_btree_rec *r1, | |
200 | union xfs_btree_rec *r2); | |
201 | #endif | |
561f7d17 CH |
202 | }; |
203 | ||
278d0ca1 CH |
204 | /* |
205 | * Reasons for the update_lastrec method to be called. | |
206 | */ | |
207 | #define LASTREC_UPDATE 0 | |
4b22a571 | 208 | #define LASTREC_INSREC 1 |
91cca5df | 209 | #define LASTREC_DELREC 2 |
278d0ca1 CH |
210 | |
211 | ||
1da177e4 LT |
212 | /* |
213 | * Btree cursor structure. | |
214 | * This collects all information needed by the btree code in one place. | |
215 | */ | |
216 | typedef struct xfs_btree_cur | |
217 | { | |
218 | struct xfs_trans *bc_tp; /* transaction we're in, if any */ | |
219 | struct xfs_mount *bc_mp; /* file system mount struct */ | |
561f7d17 | 220 | const struct xfs_btree_ops *bc_ops; |
8186e517 | 221 | uint bc_flags; /* btree features - below */ |
1da177e4 | 222 | union { |
16259e7d | 223 | xfs_alloc_rec_incore_t a; |
1da177e4 | 224 | xfs_bmbt_irec_t b; |
61a25848 | 225 | xfs_inobt_rec_incore_t i; |
1da177e4 LT |
226 | } bc_rec; /* current insert/search record value */ |
227 | struct xfs_buf *bc_bufs[XFS_BTREE_MAXLEVELS]; /* buf ptr per level */ | |
228 | int bc_ptrs[XFS_BTREE_MAXLEVELS]; /* key/record # */ | |
229 | __uint8_t bc_ra[XFS_BTREE_MAXLEVELS]; /* readahead bits */ | |
230 | #define XFS_BTCUR_LEFTRA 1 /* left sibling has been read-ahead */ | |
231 | #define XFS_BTCUR_RIGHTRA 2 /* right sibling has been read-ahead */ | |
232 | __uint8_t bc_nlevels; /* number of levels in the tree */ | |
233 | __uint8_t bc_blocklog; /* log2(blocksize) of btree blocks */ | |
234 | xfs_btnum_t bc_btnum; /* identifies which btree type */ | |
235 | union { | |
169d6227 CH |
236 | struct { /* needed for BNO, CNT, INO */ |
237 | struct xfs_buf *agbp; /* agf/agi buffer pointer */ | |
1da177e4 LT |
238 | xfs_agnumber_t agno; /* ag number */ |
239 | } a; | |
240 | struct { /* needed for BMAP */ | |
241 | struct xfs_inode *ip; /* pointer to our inode */ | |
242 | struct xfs_bmap_free *flist; /* list to free after */ | |
243 | xfs_fsblock_t firstblock; /* 1st blk allocated */ | |
244 | int allocated; /* count of alloced */ | |
245 | short forksize; /* fork's inode space */ | |
246 | char whichfork; /* data or attr fork */ | |
247 | char flags; /* flags */ | |
248 | #define XFS_BTCUR_BPRV_WASDEL 1 /* was delayed */ | |
249 | } b; | |
1da177e4 LT |
250 | } bc_private; /* per-btree type data */ |
251 | } xfs_btree_cur_t; | |
252 | ||
8186e517 | 253 | /* cursor flags */ |
e99ab90d | 254 | #define XFS_BTREE_LONG_PTRS (1<<0) /* pointers are 64bits long */ |
8186e517 | 255 | #define XFS_BTREE_ROOT_IN_INODE (1<<1) /* root may be variable size */ |
278d0ca1 | 256 | #define XFS_BTREE_LASTREC_UPDATE (1<<2) /* track last rec externally */ |
8186e517 CH |
257 | |
258 | ||
1da177e4 LT |
259 | #define XFS_BTREE_NOERROR 0 |
260 | #define XFS_BTREE_ERROR 1 | |
261 | ||
262 | /* | |
263 | * Convert from buffer to btree block header. | |
264 | */ | |
7cc95a82 | 265 | #define XFS_BUF_TO_BLOCK(bp) ((struct xfs_btree_block *)XFS_BUF_PTR(bp)) |
1da177e4 | 266 | |
1da177e4 | 267 | |
1da177e4 | 268 | /* |
a23f6ef8 | 269 | * Check that block header is ok. |
1da177e4 | 270 | */ |
a23f6ef8 CH |
271 | int |
272 | xfs_btree_check_block( | |
273 | struct xfs_btree_cur *cur, /* btree cursor */ | |
274 | struct xfs_btree_block *block, /* generic btree block pointer */ | |
1da177e4 LT |
275 | int level, /* level of the btree block */ |
276 | struct xfs_buf *bp); /* buffer containing block, if any */ | |
277 | ||
278 | /* | |
a23f6ef8 | 279 | * Check that (long) pointer is ok. |
1da177e4 LT |
280 | */ |
281 | int /* error (0 or EFSCORRUPTED) */ | |
282 | xfs_btree_check_lptr( | |
a23f6ef8 | 283 | struct xfs_btree_cur *cur, /* btree cursor */ |
1da177e4 LT |
284 | xfs_dfsbno_t ptr, /* btree block disk address */ |
285 | int level); /* btree block level */ | |
286 | ||
1da177e4 LT |
287 | /* |
288 | * Delete the btree cursor. | |
289 | */ | |
290 | void | |
291 | xfs_btree_del_cursor( | |
292 | xfs_btree_cur_t *cur, /* btree cursor */ | |
293 | int error); /* del because of error */ | |
294 | ||
295 | /* | |
296 | * Duplicate the btree cursor. | |
297 | * Allocate a new one, copy the record, re-get the buffers. | |
298 | */ | |
299 | int /* error */ | |
300 | xfs_btree_dup_cursor( | |
301 | xfs_btree_cur_t *cur, /* input cursor */ | |
302 | xfs_btree_cur_t **ncur);/* output cursor */ | |
303 | ||
1da177e4 LT |
304 | /* |
305 | * Get a buffer for the block, return it with no data read. | |
306 | * Long-form addressing. | |
307 | */ | |
308 | struct xfs_buf * /* buffer for fsbno */ | |
309 | xfs_btree_get_bufl( | |
310 | struct xfs_mount *mp, /* file system mount point */ | |
311 | struct xfs_trans *tp, /* transaction pointer */ | |
312 | xfs_fsblock_t fsbno, /* file system block number */ | |
313 | uint lock); /* lock flags for get_buf */ | |
314 | ||
315 | /* | |
316 | * Get a buffer for the block, return it with no data read. | |
317 | * Short-form addressing. | |
318 | */ | |
319 | struct xfs_buf * /* buffer for agno/agbno */ | |
320 | xfs_btree_get_bufs( | |
321 | struct xfs_mount *mp, /* file system mount point */ | |
322 | struct xfs_trans *tp, /* transaction pointer */ | |
323 | xfs_agnumber_t agno, /* allocation group number */ | |
324 | xfs_agblock_t agbno, /* allocation group block number */ | |
325 | uint lock); /* lock flags for get_buf */ | |
326 | ||
1da177e4 LT |
327 | /* |
328 | * Check for the cursor referring to the last block at the given level. | |
329 | */ | |
330 | int /* 1=is last block, 0=not last block */ | |
331 | xfs_btree_islastblock( | |
332 | xfs_btree_cur_t *cur, /* btree cursor */ | |
333 | int level); /* level to check */ | |
334 | ||
1da177e4 LT |
335 | /* |
336 | * Compute first and last byte offsets for the fields given. | |
337 | * Interprets the offsets table, which contains struct field offsets. | |
338 | */ | |
339 | void | |
340 | xfs_btree_offsets( | |
341 | __int64_t fields, /* bitmask of fields */ | |
342 | const short *offsets,/* table of field offsets */ | |
343 | int nbits, /* number of bits to inspect */ | |
344 | int *first, /* output: first byte offset */ | |
345 | int *last); /* output: last byte offset */ | |
346 | ||
347 | /* | |
348 | * Get a buffer for the block, return it read in. | |
349 | * Long-form addressing. | |
350 | */ | |
351 | int /* error */ | |
352 | xfs_btree_read_bufl( | |
353 | struct xfs_mount *mp, /* file system mount point */ | |
354 | struct xfs_trans *tp, /* transaction pointer */ | |
355 | xfs_fsblock_t fsbno, /* file system block number */ | |
356 | uint lock, /* lock flags for read_buf */ | |
357 | struct xfs_buf **bpp, /* buffer for fsbno */ | |
358 | int refval);/* ref count value for buffer */ | |
359 | ||
1da177e4 LT |
360 | /* |
361 | * Read-ahead the block, don't wait for it, don't return a buffer. | |
362 | * Long-form addressing. | |
363 | */ | |
364 | void /* error */ | |
365 | xfs_btree_reada_bufl( | |
366 | struct xfs_mount *mp, /* file system mount point */ | |
367 | xfs_fsblock_t fsbno, /* file system block number */ | |
368 | xfs_extlen_t count); /* count of filesystem blocks */ | |
369 | ||
370 | /* | |
371 | * Read-ahead the block, don't wait for it, don't return a buffer. | |
372 | * Short-form addressing. | |
373 | */ | |
374 | void /* error */ | |
375 | xfs_btree_reada_bufs( | |
376 | struct xfs_mount *mp, /* file system mount point */ | |
377 | xfs_agnumber_t agno, /* allocation group number */ | |
378 | xfs_agblock_t agbno, /* allocation group block number */ | |
379 | xfs_extlen_t count); /* count of filesystem blocks */ | |
380 | ||
65f1eaea | 381 | |
637aa50f CH |
382 | /* |
383 | * Common btree core entry points. | |
384 | */ | |
385 | int xfs_btree_increment(struct xfs_btree_cur *, int, int *); | |
8df4da4a | 386 | int xfs_btree_decrement(struct xfs_btree_cur *, int, int *); |
fe033cc8 | 387 | int xfs_btree_lookup(struct xfs_btree_cur *, xfs_lookup_t, int *); |
278d0ca1 | 388 | int xfs_btree_update(struct xfs_btree_cur *, union xfs_btree_rec *); |
ea77b0a6 | 389 | int xfs_btree_new_iroot(struct xfs_btree_cur *, int *, int *); |
4b22a571 | 390 | int xfs_btree_insert(struct xfs_btree_cur *, int *); |
91cca5df | 391 | int xfs_btree_delete(struct xfs_btree_cur *, int *); |
8cc938fe | 392 | int xfs_btree_get_rec(struct xfs_btree_cur *, union xfs_btree_rec **, int *); |
637aa50f | 393 | |
fd6bcc5b CH |
394 | /* |
395 | * Internal btree helpers also used by xfs_bmap.c. | |
396 | */ | |
397 | void xfs_btree_log_block(struct xfs_btree_cur *, struct xfs_buf *, int); | |
398 | void xfs_btree_log_recs(struct xfs_btree_cur *, struct xfs_buf *, int, int); | |
399 | ||
65f1eaea CH |
400 | /* |
401 | * Helpers. | |
402 | */ | |
637aa50f CH |
403 | static inline int xfs_btree_get_numrecs(struct xfs_btree_block *block) |
404 | { | |
405 | return be16_to_cpu(block->bb_numrecs); | |
406 | } | |
407 | ||
9eaead51 CH |
408 | static inline void xfs_btree_set_numrecs(struct xfs_btree_block *block, |
409 | __uint16_t numrecs) | |
410 | { | |
411 | block->bb_numrecs = cpu_to_be16(numrecs); | |
412 | } | |
413 | ||
65f1eaea CH |
414 | static inline int xfs_btree_get_level(struct xfs_btree_block *block) |
415 | { | |
416 | return be16_to_cpu(block->bb_level); | |
417 | } | |
418 | ||
1da177e4 LT |
419 | |
420 | /* | |
421 | * Min and max functions for extlen, agblock, fileoff, and filblks types. | |
422 | */ | |
54aa8e26 DC |
423 | #define XFS_EXTLEN_MIN(a,b) min_t(xfs_extlen_t, (a), (b)) |
424 | #define XFS_EXTLEN_MAX(a,b) max_t(xfs_extlen_t, (a), (b)) | |
425 | #define XFS_AGBLOCK_MIN(a,b) min_t(xfs_agblock_t, (a), (b)) | |
426 | #define XFS_AGBLOCK_MAX(a,b) max_t(xfs_agblock_t, (a), (b)) | |
427 | #define XFS_FILEOFF_MIN(a,b) min_t(xfs_fileoff_t, (a), (b)) | |
428 | #define XFS_FILEOFF_MAX(a,b) max_t(xfs_fileoff_t, (a), (b)) | |
429 | #define XFS_FILBLKS_MIN(a,b) min_t(xfs_filblks_t, (a), (b)) | |
430 | #define XFS_FILBLKS_MAX(a,b) max_t(xfs_filblks_t, (a), (b)) | |
a844f451 | 431 | |
1da177e4 LT |
432 | #define XFS_FSB_SANITY_CHECK(mp,fsb) \ |
433 | (XFS_FSB_TO_AGNO(mp, fsb) < mp->m_sb.sb_agcount && \ | |
a844f451 | 434 | XFS_FSB_TO_AGBNO(mp, fsb) < mp->m_sb.sb_agblocks) |
1da177e4 | 435 | |
c84470dd CH |
436 | /* |
437 | * Trace hooks. Currently not implemented as they need to be ported | |
438 | * over to the generic tracing functionality, which is some effort. | |
439 | * | |
440 | * i,j = integer (32 bit) | |
441 | * b = btree block buffer (xfs_buf_t) | |
442 | * p = btree ptr | |
443 | * r = btree record | |
444 | * k = btree key | |
445 | */ | |
446 | #define XFS_BTREE_TRACE_ARGBI(c, b, i) | |
447 | #define XFS_BTREE_TRACE_ARGBII(c, b, i, j) | |
448 | #define XFS_BTREE_TRACE_ARGI(c, i) | |
449 | #define XFS_BTREE_TRACE_ARGIPK(c, i, p, s) | |
450 | #define XFS_BTREE_TRACE_ARGIPR(c, i, p, r) | |
451 | #define XFS_BTREE_TRACE_ARGIK(c, i, k) | |
452 | #define XFS_BTREE_TRACE_ARGR(c, r) | |
453 | #define XFS_BTREE_TRACE_CURSOR(c, t) | |
454 | ||
1da177e4 | 455 | #endif /* __XFS_BTREE_H__ */ |