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bridge: fix a possible use after free
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / fs / reiserfs / prints.c
blob45de98b5946626f1f82c4386c9ad4d91ec163899
1 /*
2 * Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README
3 */
4
5 #include <linux/time.h>
6 #include <linux/fs.h>
7 #include <linux/reiserfs_fs.h>
8 #include <linux/string.h>
9 #include <linux/buffer_head.h>
10
11 #include <stdarg.h>
12
13 static char error_buf[1024];
14 static char fmt_buf[1024];
15 static char off_buf[80];
16
17 static char *reiserfs_cpu_offset(struct cpu_key *key)
18 {
19 if (cpu_key_k_type(key) == TYPE_DIRENTRY)
20 sprintf(off_buf, "%Lu(%Lu)",
21 (unsigned long long)
22 GET_HASH_VALUE(cpu_key_k_offset(key)),
23 (unsigned long long)
24 GET_GENERATION_NUMBER(cpu_key_k_offset(key)));
25 else
26 sprintf(off_buf, "0x%Lx",
27 (unsigned long long)cpu_key_k_offset(key));
28 return off_buf;
29 }
30
31 static char *le_offset(struct reiserfs_key *key)
32 {
33 int version;
34
35 version = le_key_version(key);
36 if (le_key_k_type(version, key) == TYPE_DIRENTRY)
37 sprintf(off_buf, "%Lu(%Lu)",
38 (unsigned long long)
39 GET_HASH_VALUE(le_key_k_offset(version, key)),
40 (unsigned long long)
41 GET_GENERATION_NUMBER(le_key_k_offset(version, key)));
42 else
43 sprintf(off_buf, "0x%Lx",
44 (unsigned long long)le_key_k_offset(version, key));
45 return off_buf;
46 }
47
48 static char *cpu_type(struct cpu_key *key)
49 {
50 if (cpu_key_k_type(key) == TYPE_STAT_DATA)
51 return "SD";
52 if (cpu_key_k_type(key) == TYPE_DIRENTRY)
53 return "DIR";
54 if (cpu_key_k_type(key) == TYPE_DIRECT)
55 return "DIRECT";
56 if (cpu_key_k_type(key) == TYPE_INDIRECT)
57 return "IND";
58 return "UNKNOWN";
59 }
60
61 static char *le_type(struct reiserfs_key *key)
62 {
63 int version;
64
65 version = le_key_version(key);
66
67 if (le_key_k_type(version, key) == TYPE_STAT_DATA)
68 return "SD";
69 if (le_key_k_type(version, key) == TYPE_DIRENTRY)
70 return "DIR";
71 if (le_key_k_type(version, key) == TYPE_DIRECT)
72 return "DIRECT";
73 if (le_key_k_type(version, key) == TYPE_INDIRECT)
74 return "IND";
75 return "UNKNOWN";
76 }
77
78 /* %k */
79 static void sprintf_le_key(char *buf, struct reiserfs_key *key)
80 {
81 if (key)
82 sprintf(buf, "[%d %d %s %s]", le32_to_cpu(key->k_dir_id),
83 le32_to_cpu(key->k_objectid), le_offset(key),
84 le_type(key));
85 else
86 sprintf(buf, "[NULL]");
87 }
88
89 /* %K */
90 static void sprintf_cpu_key(char *buf, struct cpu_key *key)
91 {
92 if (key)
93 sprintf(buf, "[%d %d %s %s]", key->on_disk_key.k_dir_id,
94 key->on_disk_key.k_objectid, reiserfs_cpu_offset(key),
95 cpu_type(key));
96 else
97 sprintf(buf, "[NULL]");
98 }
99
100 static void sprintf_de_head(char *buf, struct reiserfs_de_head *deh)
101 {
102 if (deh)
103 sprintf(buf,
104 "[offset=%d dir_id=%d objectid=%d location=%d state=%04x]",
105 deh_offset(deh), deh_dir_id(deh), deh_objectid(deh),
106 deh_location(deh), deh_state(deh));
107 else
108 sprintf(buf, "[NULL]");
109
110 }
111
112 static void sprintf_item_head(char *buf, struct item_head *ih)
113 {
114 if (ih) {
115 strcpy(buf,
116 (ih_version(ih) == KEY_FORMAT_3_6) ? "*3.6* " : "*3.5*");
117 sprintf_le_key(buf + strlen(buf), &(ih->ih_key));
118 sprintf(buf + strlen(buf), ", item_len %d, item_location %d, "
119 "free_space(entry_count) %d",
120 ih_item_len(ih), ih_location(ih), ih_free_space(ih));
121 } else
122 sprintf(buf, "[NULL]");
123 }
124
125 static void sprintf_direntry(char *buf, struct reiserfs_dir_entry *de)
126 {
127 char name[20];
128
129 memcpy(name, de->de_name, de->de_namelen > 19 ? 19 : de->de_namelen);
130 name[de->de_namelen > 19 ? 19 : de->de_namelen] = 0;
131 sprintf(buf, "\"%s\"==>[%d %d]", name, de->de_dir_id, de->de_objectid);
132 }
133
134 static void sprintf_block_head(char *buf, struct buffer_head *bh)
135 {
136 sprintf(buf, "level=%d, nr_items=%d, free_space=%d rdkey ",
137 B_LEVEL(bh), B_NR_ITEMS(bh), B_FREE_SPACE(bh));
138 }
139
140 static void sprintf_buffer_head(char *buf, struct buffer_head *bh)
141 {
142 char b[BDEVNAME_SIZE];
143
144 sprintf(buf,
145 "dev %s, size %zd, blocknr %llu, count %d, state 0x%lx, page %p, (%s, %s, %s)",
146 bdevname(bh->b_bdev, b), bh->b_size,
147 (unsigned long long)bh->b_blocknr, atomic_read(&(bh->b_count)),
148 bh->b_state, bh->b_page,
149 buffer_uptodate(bh) ? "UPTODATE" : "!UPTODATE",
150 buffer_dirty(bh) ? "DIRTY" : "CLEAN",
151 buffer_locked(bh) ? "LOCKED" : "UNLOCKED");
152 }
153
154 static void sprintf_disk_child(char *buf, struct disk_child *dc)
155 {
156 sprintf(buf, "[dc_number=%d, dc_size=%u]", dc_block_number(dc),
157 dc_size(dc));
158 }
159
160 static char *is_there_reiserfs_struct(char *fmt, int *what)
161 {
162 char *k = fmt;
163
164 while ((k = strchr(k, '%')) != NULL) {
165 if (k[1] == 'k' || k[1] == 'K' || k[1] == 'h' || k[1] == 't' ||
166 k[1] == 'z' || k[1] == 'b' || k[1] == 'y' || k[1] == 'a') {
167 *what = k[1];
168 break;
169 }
170 k++;
171 }
172 return k;
173 }
174
175 /* debugging reiserfs we used to print out a lot of different
176 variables, like keys, item headers, buffer heads etc. Values of
177 most fields matter. So it took a long time just to write
178 appropriative printk. With this reiserfs_warning you can use format
179 specification for complex structures like you used to do with
180 printfs for integers, doubles and pointers. For instance, to print
181 out key structure you have to write just:
182 reiserfs_warning ("bad key %k", key);
183 instead of
184 printk ("bad key %lu %lu %lu %lu", key->k_dir_id, key->k_objectid,
185 key->k_offset, key->k_uniqueness);
186 */
187 static DEFINE_SPINLOCK(error_lock);
188 static void prepare_error_buf(const char *fmt, va_list args)
189 {
190 char *fmt1 = fmt_buf;
191 char *k;
192 char *p = error_buf;
193 int what;
194
195 spin_lock(&error_lock);
196
197 strcpy(fmt1, fmt);
198
199 while ((k = is_there_reiserfs_struct(fmt1, &what)) != NULL) {
200 *k = 0;
201
202 p += vsprintf(p, fmt1, args);
203
204 switch (what) {
205 case 'k':
206 sprintf_le_key(p, va_arg(args, struct reiserfs_key *));
207 break;
208 case 'K':
209 sprintf_cpu_key(p, va_arg(args, struct cpu_key *));
210 break;
211 case 'h':
212 sprintf_item_head(p, va_arg(args, struct item_head *));
213 break;
214 case 't':
215 sprintf_direntry(p,
216 va_arg(args,
217 struct reiserfs_dir_entry *));
218 break;
219 case 'y':
220 sprintf_disk_child(p,
221 va_arg(args, struct disk_child *));
222 break;
223 case 'z':
224 sprintf_block_head(p,
225 va_arg(args, struct buffer_head *));
226 break;
227 case 'b':
228 sprintf_buffer_head(p,
229 va_arg(args, struct buffer_head *));
230 break;
231 case 'a':
232 sprintf_de_head(p,
233 va_arg(args,
234 struct reiserfs_de_head *));
235 break;
236 }
237
238 p += strlen(p);
239 fmt1 = k + 2;
240 }
241 vsprintf(p, fmt1, args);
242 spin_unlock(&error_lock);
243
244 }
245
246 /* in addition to usual conversion specifiers this accepts reiserfs
247 specific conversion specifiers:
248 %k to print little endian key,
249 %K to print cpu key,
250 %h to print item_head,
251 %t to print directory entry
252 %z to print block head (arg must be struct buffer_head *
253 %b to print buffer_head
254 */
255
256 #define do_reiserfs_warning(fmt)\
257 {\
258 va_list args;\
259 va_start( args, fmt );\
260 prepare_error_buf( fmt, args );\
261 va_end( args );\
262 }
263
264 void __reiserfs_warning(struct super_block *sb, const char *id,
265 const char *function, const char *fmt, ...)
266 {
267 do_reiserfs_warning(fmt);
268 if (sb)
269 printk(KERN_WARNING "REISERFS warning (device %s): %s%s%s: "
270 "%s\n", sb->s_id, id ? id : "", id ? " " : "",
271 function, error_buf);
272 else
273 printk(KERN_WARNING "REISERFS warning: %s%s%s: %s\n",
274 id ? id : "", id ? " " : "", function, error_buf);
275 }
276
277 /* No newline.. reiserfs_info calls can be followed by printk's */
278 void reiserfs_info(struct super_block *sb, const char *fmt, ...)
279 {
280 do_reiserfs_warning(fmt);
281 if (sb)
282 printk(KERN_NOTICE "REISERFS (device %s): %s",
283 sb->s_id, error_buf);
284 else
285 printk(KERN_NOTICE "REISERFS %s:", error_buf);
286 }
287
288 /* No newline.. reiserfs_printk calls can be followed by printk's */
289 static void reiserfs_printk(const char *fmt, ...)
290 {
291 do_reiserfs_warning(fmt);
292 printk(error_buf);
293 }
294
295 void reiserfs_debug(struct super_block *s, int level, const char *fmt, ...)
296 {
297 #ifdef CONFIG_REISERFS_CHECK
298 do_reiserfs_warning(fmt);
299 if (s)
300 printk(KERN_DEBUG "REISERFS debug (device %s): %s\n",
301 s->s_id, error_buf);
302 else
303 printk(KERN_DEBUG "REISERFS debug: %s\n", error_buf);
304 #endif
305 }
306
307 /* The format:
308
309 maintainer-errorid: [function-name:] message
310
311 where errorid is unique to the maintainer and function-name is
312 optional, is recommended, so that anyone can easily find the bug
313 with a simple grep for the short to type string
314 maintainer-errorid. Don't bother with reusing errorids, there are
315 lots of numbers out there.
316
317 Example:
318
319 reiserfs_panic(
320 p_sb, "reiser-29: reiserfs_new_blocknrs: "
321 "one of search_start or rn(%d) is equal to MAX_B_NUM,"
322 "which means that we are optimizing location based on the bogus location of a temp buffer (%p).",
323 rn, bh
324 );
325
326 Regular panic()s sometimes clear the screen before the message can
327 be read, thus the need for the while loop.
328
329 Numbering scheme for panic used by Vladimir and Anatoly( Hans completely ignores this scheme, and considers it
330 pointless complexity):
331
332 panics in reiserfs_fs.h have numbers from 1000 to 1999
333 super.c 2000 to 2999
334 preserve.c (unused) 3000 to 3999
335 bitmap.c 4000 to 4999
336 stree.c 5000 to 5999
337 prints.c 6000 to 6999
338 namei.c 7000 to 7999
339 fix_nodes.c 8000 to 8999
340 dir.c 9000 to 9999
341 lbalance.c 10000 to 10999
342 ibalance.c 11000 to 11999 not ready
343 do_balan.c 12000 to 12999
344 inode.c 13000 to 13999
345 file.c 14000 to 14999
346 objectid.c 15000 - 15999
347 buffer.c 16000 - 16999
348 symlink.c 17000 - 17999
349
350 . */
351
352 void __reiserfs_panic(struct super_block *sb, const char *id,
353 const char *function, const char *fmt, ...)
354 {
355 do_reiserfs_warning(fmt);
356
357 #ifdef CONFIG_REISERFS_CHECK
358 dump_stack();
359 #endif
360 if (sb)
361 panic(KERN_WARNING "REISERFS panic (device %s): %s%s%s: %s\n",
362 sb->s_id, id ? id : "", id ? " " : "",
363 function, error_buf);
364 else
365 panic(KERN_WARNING "REISERFS panic: %s%s%s: %s\n",
366 id ? id : "", id ? " " : "", function, error_buf);
367 }
368
369 void __reiserfs_error(struct super_block *sb, const char *id,
370 const char *function, const char *fmt, ...)
371 {
372 do_reiserfs_warning(fmt);
373
374 BUG_ON(sb == NULL);
375
376 if (reiserfs_error_panic(sb))
377 __reiserfs_panic(sb, id, function, error_buf);
378
379 if (id && id[0])
380 printk(KERN_CRIT "REISERFS error (device %s): %s %s: %s\n",
381 sb->s_id, id, function, error_buf);
382 else
383 printk(KERN_CRIT "REISERFS error (device %s): %s: %s\n",
384 sb->s_id, function, error_buf);
385
386 if (sb->s_flags & MS_RDONLY)
387 return;
388
389 reiserfs_info(sb, "Remounting filesystem read-only\n");
390 sb->s_flags |= MS_RDONLY;
391 reiserfs_abort_journal(sb, -EIO);
392 }
393
394 void reiserfs_abort(struct super_block *sb, int errno, const char *fmt, ...)
395 {
396 do_reiserfs_warning(fmt);
397
398 if (reiserfs_error_panic(sb)) {
399 panic(KERN_CRIT "REISERFS panic (device %s): %s\n", sb->s_id,
400 error_buf);
401 }
402
403 if (reiserfs_is_journal_aborted(SB_JOURNAL(sb)))
404 return;
405
406 printk(KERN_CRIT "REISERFS abort (device %s): %s\n", sb->s_id,
407 error_buf);
408
409 sb->s_flags |= MS_RDONLY;
410 reiserfs_abort_journal(sb, errno);
411 }
412
413 /* this prints internal nodes (4 keys/items in line) (dc_number,
414 dc_size)[k_dirid, k_objectid, k_offset, k_uniqueness](dc_number,
415 dc_size)...*/
416 static int print_internal(struct buffer_head *bh, int first, int last)
417 {
418 struct reiserfs_key *key;
419 struct disk_child *dc;
420 int i;
421 int from, to;
422
423 if (!B_IS_KEYS_LEVEL(bh))
424 return 1;
425
426 check_internal(bh);
427
428 if (first == -1) {
429 from = 0;
430 to = B_NR_ITEMS(bh);
431 } else {
432 from = first;
433 to = last < B_NR_ITEMS(bh) ? last : B_NR_ITEMS(bh);
434 }
435
436 reiserfs_printk("INTERNAL NODE (%ld) contains %z\n", bh->b_blocknr, bh);
437
438 dc = B_N_CHILD(bh, from);
439 reiserfs_printk("PTR %d: %y ", from, dc);
440
441 for (i = from, key = B_N_PDELIM_KEY(bh, from), dc++; i < to;
442 i++, key++, dc++) {
443 reiserfs_printk("KEY %d: %k PTR %d: %y ", i, key, i + 1, dc);
444 if (i && i % 4 == 0)
445 printk("\n");
446 }
447 printk("\n");
448 return 0;
449 }
450
451 static int print_leaf(struct buffer_head *bh, int print_mode, int first,
452 int last)
453 {
454 struct block_head *blkh;
455 struct item_head *ih;
456 int i, nr;
457 int from, to;
458
459 if (!B_IS_ITEMS_LEVEL(bh))
460 return 1;
461
462 check_leaf(bh);
463
464 blkh = B_BLK_HEAD(bh);
465 ih = B_N_PITEM_HEAD(bh, 0);
466 nr = blkh_nr_item(blkh);
467
468 printk
469 ("\n===================================================================\n");
470 reiserfs_printk("LEAF NODE (%ld) contains %z\n", bh->b_blocknr, bh);
471
472 if (!(print_mode & PRINT_LEAF_ITEMS)) {
473 reiserfs_printk("FIRST ITEM_KEY: %k, LAST ITEM KEY: %k\n",
474 &(ih->ih_key), &((ih + nr - 1)->ih_key));
475 return 0;
476 }
477
478 if (first < 0 || first > nr - 1)
479 from = 0;
480 else
481 from = first;
482
483 if (last < 0 || last > nr)
484 to = nr;
485 else
486 to = last;
487
488 ih += from;
489 printk
490 ("-------------------------------------------------------------------------------\n");
491 printk
492 ("|##| type | key | ilen | free_space | version | loc |\n");
493 for (i = from; i < to; i++, ih++) {
494 printk
495 ("-------------------------------------------------------------------------------\n");
496 reiserfs_printk("|%2d| %h |\n", i, ih);
497 if (print_mode & PRINT_LEAF_ITEMS)
498 op_print_item(ih, B_I_PITEM(bh, ih));
499 }
500
501 printk
502 ("===================================================================\n");
503
504 return 0;
505 }
506
507 char *reiserfs_hashname(int code)
508 {
509 if (code == YURA_HASH)
510 return "rupasov";
511 if (code == TEA_HASH)
512 return "tea";
513 if (code == R5_HASH)
514 return "r5";
515
516 return "unknown";
517 }
518
519 /* return 1 if this is not super block */
520 static int print_super_block(struct buffer_head *bh)
521 {
522 struct reiserfs_super_block *rs =
523 (struct reiserfs_super_block *)(bh->b_data);
524 int skipped, data_blocks;
525 char *version;
526 char b[BDEVNAME_SIZE];
527
528 if (is_reiserfs_3_5(rs)) {
529 version = "3.5";
530 } else if (is_reiserfs_3_6(rs)) {
531 version = "3.6";
532 } else if (is_reiserfs_jr(rs)) {
533 version = ((sb_version(rs) == REISERFS_VERSION_2) ?
534 "3.6" : "3.5");
535 } else {
536 return 1;
537 }
538
539 printk("%s\'s super block is in block %llu\n", bdevname(bh->b_bdev, b),
540 (unsigned long long)bh->b_blocknr);
541 printk("Reiserfs version %s\n", version);
542 printk("Block count %u\n", sb_block_count(rs));
543 printk("Blocksize %d\n", sb_blocksize(rs));
544 printk("Free blocks %u\n", sb_free_blocks(rs));
545 // FIXME: this would be confusing if
546 // someone stores reiserfs super block in some data block ;)
547 // skipped = (bh->b_blocknr * bh->b_size) / sb_blocksize(rs);
548 skipped = bh->b_blocknr;
549 data_blocks = sb_block_count(rs) - skipped - 1 - sb_bmap_nr(rs) -
550 (!is_reiserfs_jr(rs) ? sb_jp_journal_size(rs) +
551 1 : sb_reserved_for_journal(rs)) - sb_free_blocks(rs);
552 printk
553 ("Busy blocks (skipped %d, bitmaps - %d, journal (or reserved) blocks - %d\n"
554 "1 super block, %d data blocks\n", skipped, sb_bmap_nr(rs),
555 (!is_reiserfs_jr(rs) ? (sb_jp_journal_size(rs) + 1) :
556 sb_reserved_for_journal(rs)), data_blocks);
557 printk("Root block %u\n", sb_root_block(rs));
558 printk("Journal block (first) %d\n", sb_jp_journal_1st_block(rs));
559 printk("Journal dev %d\n", sb_jp_journal_dev(rs));
560 printk("Journal orig size %d\n", sb_jp_journal_size(rs));
561 printk("FS state %d\n", sb_fs_state(rs));
562 printk("Hash function \"%s\"\n",
563 reiserfs_hashname(sb_hash_function_code(rs)));
564
565 printk("Tree height %d\n", sb_tree_height(rs));
566 return 0;
567 }
568
569 static int print_desc_block(struct buffer_head *bh)
570 {
571 struct reiserfs_journal_desc *desc;
572
573 if (memcmp(get_journal_desc_magic(bh), JOURNAL_DESC_MAGIC, 8))
574 return 1;
575
576 desc = (struct reiserfs_journal_desc *)(bh->b_data);
577 printk("Desc block %llu (j_trans_id %d, j_mount_id %d, j_len %d)",
578 (unsigned long long)bh->b_blocknr, get_desc_trans_id(desc),
579 get_desc_mount_id(desc), get_desc_trans_len(desc));
580
581 return 0;
582 }
583
584 void print_block(struct buffer_head *bh, ...) //int print_mode, int first, int last)
585 {
586 va_list args;
587 int mode, first, last;
588
589 if (!bh) {
590 printk("print_block: buffer is NULL\n");
591 return;
592 }
593
594 va_start(args, bh);
595
596 mode = va_arg(args, int);
597 first = va_arg(args, int);
598 last = va_arg(args, int);
599 if (print_leaf(bh, mode, first, last))
600 if (print_internal(bh, first, last))
601 if (print_super_block(bh))
602 if (print_desc_block(bh))
603 printk
604 ("Block %llu contains unformatted data\n",
605 (unsigned long long)bh->b_blocknr);
606
607 va_end(args);
608 }
609
610 static char print_tb_buf[2048];
611
612 /* this stores initial state of tree balance in the print_tb_buf */
613 void store_print_tb(struct tree_balance *tb)
614 {
615 int h = 0;
616 int i;
617 struct buffer_head *tbSh, *tbFh;
618
619 if (!tb)
620 return;
621
622 sprintf(print_tb_buf, "\n"
623 "BALANCING %d\n"
624 "MODE=%c, ITEM_POS=%d POS_IN_ITEM=%d\n"
625 "=====================================================================\n"
626 "* h * S * L * R * F * FL * FR * CFL * CFR *\n",
627 REISERFS_SB(tb->tb_sb)->s_do_balance,
628 tb->tb_mode, PATH_LAST_POSITION(tb->tb_path),
629 tb->tb_path->pos_in_item);
630
631 for (h = 0; h < ARRAY_SIZE(tb->insert_size); h++) {
632 if (PATH_H_PATH_OFFSET(tb->tb_path, h) <=
633 tb->tb_path->path_length
634 && PATH_H_PATH_OFFSET(tb->tb_path,
635 h) > ILLEGAL_PATH_ELEMENT_OFFSET) {
636 tbSh = PATH_H_PBUFFER(tb->tb_path, h);
637 tbFh = PATH_H_PPARENT(tb->tb_path, h);
638 } else {
639 tbSh = NULL;
640 tbFh = NULL;
641 }
642 sprintf(print_tb_buf + strlen(print_tb_buf),
643 "* %d * %3lld(%2d) * %3lld(%2d) * %3lld(%2d) * %5lld * %5lld * %5lld * %5lld * %5lld *\n",
644 h,
645 (tbSh) ? (long long)(tbSh->b_blocknr) : (-1LL),
646 (tbSh) ? atomic_read(&(tbSh->b_count)) : -1,
647 (tb->L[h]) ? (long long)(tb->L[h]->b_blocknr) : (-1LL),
648 (tb->L[h]) ? atomic_read(&(tb->L[h]->b_count)) : -1,
649 (tb->R[h]) ? (long long)(tb->R[h]->b_blocknr) : (-1LL),
650 (tb->R[h]) ? atomic_read(&(tb->R[h]->b_count)) : -1,
651 (tbFh) ? (long long)(tbFh->b_blocknr) : (-1LL),
652 (tb->FL[h]) ? (long long)(tb->FL[h]->
653 b_blocknr) : (-1LL),
654 (tb->FR[h]) ? (long long)(tb->FR[h]->
655 b_blocknr) : (-1LL),
656 (tb->CFL[h]) ? (long long)(tb->CFL[h]->
657 b_blocknr) : (-1LL),
658 (tb->CFR[h]) ? (long long)(tb->CFR[h]->
659 b_blocknr) : (-1LL));
660 }
661
662 sprintf(print_tb_buf + strlen(print_tb_buf),
663 "=====================================================================\n"
664 "* h * size * ln * lb * rn * rb * blkn * s0 * s1 * s1b * s2 * s2b * curb * lk * rk *\n"
665 "* 0 * %4d * %2d * %2d * %2d * %2d * %4d * %2d * %2d * %3d * %2d * %3d * %4d * %2d * %2d *\n",
666 tb->insert_size[0], tb->lnum[0], tb->lbytes, tb->rnum[0],
667 tb->rbytes, tb->blknum[0], tb->s0num, tb->s1num, tb->s1bytes,
668 tb->s2num, tb->s2bytes, tb->cur_blknum, tb->lkey[0],
669 tb->rkey[0]);
670
671 /* this prints balance parameters for non-leaf levels */
672 h = 0;
673 do {
674 h++;
675 sprintf(print_tb_buf + strlen(print_tb_buf),
676 "* %d * %4d * %2d * * %2d * * %2d *\n",
677 h, tb->insert_size[h], tb->lnum[h], tb->rnum[h],
678 tb->blknum[h]);
679 } while (tb->insert_size[h]);
680
681 sprintf(print_tb_buf + strlen(print_tb_buf),
682 "=====================================================================\n"
683 "FEB list: ");
684
685 /* print FEB list (list of buffers in form (bh (b_blocknr, b_count), that will be used for new nodes) */
686 h = 0;
687 for (i = 0; i < ARRAY_SIZE(tb->FEB); i++)
688 sprintf(print_tb_buf + strlen(print_tb_buf),
689 "%p (%llu %d)%s", tb->FEB[i],
690 tb->FEB[i] ? (unsigned long long)tb->FEB[i]->
691 b_blocknr : 0ULL,
692 tb->FEB[i] ? atomic_read(&(tb->FEB[i]->b_count)) : 0,
693 (i == ARRAY_SIZE(tb->FEB) - 1) ? "\n" : ", ");
694
695 sprintf(print_tb_buf + strlen(print_tb_buf),
696 "======================== the end ====================================\n");
697 }
698
699 void print_cur_tb(char *mes)
700 {
701 printk("%s\n%s", mes, print_tb_buf);
702 }
703
704 static void check_leaf_block_head(struct buffer_head *bh)
705 {
706 struct block_head *blkh;
707 int nr;
708
709 blkh = B_BLK_HEAD(bh);
710 nr = blkh_nr_item(blkh);
711 if (nr > (bh->b_size - BLKH_SIZE) / IH_SIZE)
712 reiserfs_panic(NULL, "vs-6010", "invalid item number %z",
713 bh);
714 if (blkh_free_space(blkh) > bh->b_size - BLKH_SIZE - IH_SIZE * nr)
715 reiserfs_panic(NULL, "vs-6020", "invalid free space %z",
716 bh);
717
718 }
719
720 static void check_internal_block_head(struct buffer_head *bh)
721 {
722 struct block_head *blkh;
723
724 blkh = B_BLK_HEAD(bh);
725 if (!(B_LEVEL(bh) > DISK_LEAF_NODE_LEVEL && B_LEVEL(bh) <= MAX_HEIGHT))
726 reiserfs_panic(NULL, "vs-6025", "invalid level %z", bh);
727
728 if (B_NR_ITEMS(bh) > (bh->b_size - BLKH_SIZE) / IH_SIZE)
729 reiserfs_panic(NULL, "vs-6030", "invalid item number %z", bh);
730
731 if (B_FREE_SPACE(bh) !=
732 bh->b_size - BLKH_SIZE - KEY_SIZE * B_NR_ITEMS(bh) -
733 DC_SIZE * (B_NR_ITEMS(bh) + 1))
734 reiserfs_panic(NULL, "vs-6040", "invalid free space %z", bh);
735
736 }
737
738 void check_leaf(struct buffer_head *bh)
739 {
740 int i;
741 struct item_head *ih;
742
743 if (!bh)
744 return;
745 check_leaf_block_head(bh);
746 for (i = 0, ih = B_N_PITEM_HEAD(bh, 0); i < B_NR_ITEMS(bh); i++, ih++)
747 op_check_item(ih, B_I_PITEM(bh, ih));
748 }
749
750 void check_internal(struct buffer_head *bh)
751 {
752 if (!bh)
753 return;
754 check_internal_block_head(bh);
755 }
756
757 void print_statistics(struct super_block *s)
758 {
759
760 /*
761 printk ("reiserfs_put_super: session statistics: balances %d, fix_nodes %d, \
762 bmap with search %d, without %d, dir2ind %d, ind2dir %d\n",
763 REISERFS_SB(s)->s_do_balance, REISERFS_SB(s)->s_fix_nodes,
764 REISERFS_SB(s)->s_bmaps, REISERFS_SB(s)->s_bmaps_without_search,
765 REISERFS_SB(s)->s_direct2indirect, REISERFS_SB(s)->s_indirect2direct);
766 */
767
768 }
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree