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Linux 2.6.31.6
[linux/fpc-iii.git] / fs / reiserfs / prints.c
blob536eacaeb71005a935a95c88dd7afba67535a4ac
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 #ifdef CONFIG_REISERFS_CHECK
353 extern struct tree_balance *cur_tb;
354 #endif
355
356 void __reiserfs_panic(struct super_block *sb, const char *id,
357 const char *function, const char *fmt, ...)
358 {
359 do_reiserfs_warning(fmt);
360
361 #ifdef CONFIG_REISERFS_CHECK
362 dump_stack();
363 #endif
364 if (sb)
365 panic(KERN_WARNING "REISERFS panic (device %s): %s%s%s: %s\n",
366 sb->s_id, id ? id : "", id ? " " : "",
367 function, error_buf);
368 else
369 panic(KERN_WARNING "REISERFS panic: %s%s%s: %s\n",
370 id ? id : "", id ? " " : "", function, error_buf);
371 }
372
373 void __reiserfs_error(struct super_block *sb, const char *id,
374 const char *function, const char *fmt, ...)
375 {
376 do_reiserfs_warning(fmt);
377
378 BUG_ON(sb == NULL);
379
380 if (reiserfs_error_panic(sb))
381 __reiserfs_panic(sb, id, function, error_buf);
382
383 if (id && id[0])
384 printk(KERN_CRIT "REISERFS error (device %s): %s %s: %s\n",
385 sb->s_id, id, function, error_buf);
386 else
387 printk(KERN_CRIT "REISERFS error (device %s): %s: %s\n",
388 sb->s_id, function, error_buf);
389
390 if (sb->s_flags & MS_RDONLY)
391 return;
392
393 reiserfs_info(sb, "Remounting filesystem read-only\n");
394 sb->s_flags |= MS_RDONLY;
395 reiserfs_abort_journal(sb, -EIO);
396 }
397
398 void reiserfs_abort(struct super_block *sb, int errno, const char *fmt, ...)
399 {
400 do_reiserfs_warning(fmt);
401
402 if (reiserfs_error_panic(sb)) {
403 panic(KERN_CRIT "REISERFS panic (device %s): %s\n", sb->s_id,
404 error_buf);
405 }
406
407 if (reiserfs_is_journal_aborted(SB_JOURNAL(sb)))
408 return;
409
410 printk(KERN_CRIT "REISERFS abort (device %s): %s\n", sb->s_id,
411 error_buf);
412
413 sb->s_flags |= MS_RDONLY;
414 reiserfs_abort_journal(sb, errno);
415 }
416
417 /* this prints internal nodes (4 keys/items in line) (dc_number,
418 dc_size)[k_dirid, k_objectid, k_offset, k_uniqueness](dc_number,
419 dc_size)...*/
420 static int print_internal(struct buffer_head *bh, int first, int last)
421 {
422 struct reiserfs_key *key;
423 struct disk_child *dc;
424 int i;
425 int from, to;
426
427 if (!B_IS_KEYS_LEVEL(bh))
428 return 1;
429
430 check_internal(bh);
431
432 if (first == -1) {
433 from = 0;
434 to = B_NR_ITEMS(bh);
435 } else {
436 from = first;
437 to = last < B_NR_ITEMS(bh) ? last : B_NR_ITEMS(bh);
438 }
439
440 reiserfs_printk("INTERNAL NODE (%ld) contains %z\n", bh->b_blocknr, bh);
441
442 dc = B_N_CHILD(bh, from);
443 reiserfs_printk("PTR %d: %y ", from, dc);
444
445 for (i = from, key = B_N_PDELIM_KEY(bh, from), dc++; i < to;
446 i++, key++, dc++) {
447 reiserfs_printk("KEY %d: %k PTR %d: %y ", i, key, i + 1, dc);
448 if (i && i % 4 == 0)
449 printk("\n");
450 }
451 printk("\n");
452 return 0;
453 }
454
455 static int print_leaf(struct buffer_head *bh, int print_mode, int first,
456 int last)
457 {
458 struct block_head *blkh;
459 struct item_head *ih;
460 int i, nr;
461 int from, to;
462
463 if (!B_IS_ITEMS_LEVEL(bh))
464 return 1;
465
466 check_leaf(bh);
467
468 blkh = B_BLK_HEAD(bh);
469 ih = B_N_PITEM_HEAD(bh, 0);
470 nr = blkh_nr_item(blkh);
471
472 printk
473 ("\n===================================================================\n");
474 reiserfs_printk("LEAF NODE (%ld) contains %z\n", bh->b_blocknr, bh);
475
476 if (!(print_mode & PRINT_LEAF_ITEMS)) {
477 reiserfs_printk("FIRST ITEM_KEY: %k, LAST ITEM KEY: %k\n",
478 &(ih->ih_key), &((ih + nr - 1)->ih_key));
479 return 0;
480 }
481
482 if (first < 0 || first > nr - 1)
483 from = 0;
484 else
485 from = first;
486
487 if (last < 0 || last > nr)
488 to = nr;
489 else
490 to = last;
491
492 ih += from;
493 printk
494 ("-------------------------------------------------------------------------------\n");
495 printk
496 ("|##| type | key | ilen | free_space | version | loc |\n");
497 for (i = from; i < to; i++, ih++) {
498 printk
499 ("-------------------------------------------------------------------------------\n");
500 reiserfs_printk("|%2d| %h |\n", i, ih);
501 if (print_mode & PRINT_LEAF_ITEMS)
502 op_print_item(ih, B_I_PITEM(bh, ih));
503 }
504
505 printk
506 ("===================================================================\n");
507
508 return 0;
509 }
510
511 char *reiserfs_hashname(int code)
512 {
513 if (code == YURA_HASH)
514 return "rupasov";
515 if (code == TEA_HASH)
516 return "tea";
517 if (code == R5_HASH)
518 return "r5";
519
520 return "unknown";
521 }
522
523 /* return 1 if this is not super block */
524 static int print_super_block(struct buffer_head *bh)
525 {
526 struct reiserfs_super_block *rs =
527 (struct reiserfs_super_block *)(bh->b_data);
528 int skipped, data_blocks;
529 char *version;
530 char b[BDEVNAME_SIZE];
531
532 if (is_reiserfs_3_5(rs)) {
533 version = "3.5";
534 } else if (is_reiserfs_3_6(rs)) {
535 version = "3.6";
536 } else if (is_reiserfs_jr(rs)) {
537 version = ((sb_version(rs) == REISERFS_VERSION_2) ?
538 "3.6" : "3.5");
539 } else {
540 return 1;
541 }
542
543 printk("%s\'s super block is in block %llu\n", bdevname(bh->b_bdev, b),
544 (unsigned long long)bh->b_blocknr);
545 printk("Reiserfs version %s\n", version);
546 printk("Block count %u\n", sb_block_count(rs));
547 printk("Blocksize %d\n", sb_blocksize(rs));
548 printk("Free blocks %u\n", sb_free_blocks(rs));
549 // FIXME: this would be confusing if
550 // someone stores reiserfs super block in some data block ;)
551 // skipped = (bh->b_blocknr * bh->b_size) / sb_blocksize(rs);
552 skipped = bh->b_blocknr;
553 data_blocks = sb_block_count(rs) - skipped - 1 - sb_bmap_nr(rs) -
554 (!is_reiserfs_jr(rs) ? sb_jp_journal_size(rs) +
555 1 : sb_reserved_for_journal(rs)) - sb_free_blocks(rs);
556 printk
557 ("Busy blocks (skipped %d, bitmaps - %d, journal (or reserved) blocks - %d\n"
558 "1 super block, %d data blocks\n", skipped, sb_bmap_nr(rs),
559 (!is_reiserfs_jr(rs) ? (sb_jp_journal_size(rs) + 1) :
560 sb_reserved_for_journal(rs)), data_blocks);
561 printk("Root block %u\n", sb_root_block(rs));
562 printk("Journal block (first) %d\n", sb_jp_journal_1st_block(rs));
563 printk("Journal dev %d\n", sb_jp_journal_dev(rs));
564 printk("Journal orig size %d\n", sb_jp_journal_size(rs));
565 printk("FS state %d\n", sb_fs_state(rs));
566 printk("Hash function \"%s\"\n",
567 reiserfs_hashname(sb_hash_function_code(rs)));
568
569 printk("Tree height %d\n", sb_tree_height(rs));
570 return 0;
571 }
572
573 static int print_desc_block(struct buffer_head *bh)
574 {
575 struct reiserfs_journal_desc *desc;
576
577 if (memcmp(get_journal_desc_magic(bh), JOURNAL_DESC_MAGIC, 8))
578 return 1;
579
580 desc = (struct reiserfs_journal_desc *)(bh->b_data);
581 printk("Desc block %llu (j_trans_id %d, j_mount_id %d, j_len %d)",
582 (unsigned long long)bh->b_blocknr, get_desc_trans_id(desc),
583 get_desc_mount_id(desc), get_desc_trans_len(desc));
584
585 return 0;
586 }
587
588 void print_block(struct buffer_head *bh, ...) //int print_mode, int first, int last)
589 {
590 va_list args;
591 int mode, first, last;
592
593 va_start(args, bh);
594
595 if (!bh) {
596 printk("print_block: buffer is NULL\n");
597 return;
598 }
599
600 mode = va_arg(args, int);
601 first = va_arg(args, int);
602 last = va_arg(args, int);
603 if (print_leaf(bh, mode, first, last))
604 if (print_internal(bh, first, last))
605 if (print_super_block(bh))
606 if (print_desc_block(bh))
607 printk
608 ("Block %llu contains unformatted data\n",
609 (unsigned long long)bh->b_blocknr);
610
611 va_end(args);
612 }
613
614 static char print_tb_buf[2048];
615
616 /* this stores initial state of tree balance in the print_tb_buf */
617 void store_print_tb(struct tree_balance *tb)
618 {
619 int h = 0;
620 int i;
621 struct buffer_head *tbSh, *tbFh;
622
623 if (!tb)
624 return;
625
626 sprintf(print_tb_buf, "\n"
627 "BALANCING %d\n"
628 "MODE=%c, ITEM_POS=%d POS_IN_ITEM=%d\n"
629 "=====================================================================\n"
630 "* h * S * L * R * F * FL * FR * CFL * CFR *\n",
631 REISERFS_SB(tb->tb_sb)->s_do_balance,
632 tb->tb_mode, PATH_LAST_POSITION(tb->tb_path),
633 tb->tb_path->pos_in_item);
634
635 for (h = 0; h < ARRAY_SIZE(tb->insert_size); h++) {
636 if (PATH_H_PATH_OFFSET(tb->tb_path, h) <=
637 tb->tb_path->path_length
638 && PATH_H_PATH_OFFSET(tb->tb_path,
639 h) > ILLEGAL_PATH_ELEMENT_OFFSET) {
640 tbSh = PATH_H_PBUFFER(tb->tb_path, h);
641 tbFh = PATH_H_PPARENT(tb->tb_path, h);
642 } else {
643 tbSh = NULL;
644 tbFh = NULL;
645 }
646 sprintf(print_tb_buf + strlen(print_tb_buf),
647 "* %d * %3lld(%2d) * %3lld(%2d) * %3lld(%2d) * %5lld * %5lld * %5lld * %5lld * %5lld *\n",
648 h,
649 (tbSh) ? (long long)(tbSh->b_blocknr) : (-1LL),
650 (tbSh) ? atomic_read(&(tbSh->b_count)) : -1,
651 (tb->L[h]) ? (long long)(tb->L[h]->b_blocknr) : (-1LL),
652 (tb->L[h]) ? atomic_read(&(tb->L[h]->b_count)) : -1,
653 (tb->R[h]) ? (long long)(tb->R[h]->b_blocknr) : (-1LL),
654 (tb->R[h]) ? atomic_read(&(tb->R[h]->b_count)) : -1,
655 (tbFh) ? (long long)(tbFh->b_blocknr) : (-1LL),
656 (tb->FL[h]) ? (long long)(tb->FL[h]->
657 b_blocknr) : (-1LL),
658 (tb->FR[h]) ? (long long)(tb->FR[h]->
659 b_blocknr) : (-1LL),
660 (tb->CFL[h]) ? (long long)(tb->CFL[h]->
661 b_blocknr) : (-1LL),
662 (tb->CFR[h]) ? (long long)(tb->CFR[h]->
663 b_blocknr) : (-1LL));
664 }
665
666 sprintf(print_tb_buf + strlen(print_tb_buf),
667 "=====================================================================\n"
668 "* h * size * ln * lb * rn * rb * blkn * s0 * s1 * s1b * s2 * s2b * curb * lk * rk *\n"
669 "* 0 * %4d * %2d * %2d * %2d * %2d * %4d * %2d * %2d * %3d * %2d * %3d * %4d * %2d * %2d *\n",
670 tb->insert_size[0], tb->lnum[0], tb->lbytes, tb->rnum[0],
671 tb->rbytes, tb->blknum[0], tb->s0num, tb->s1num, tb->s1bytes,
672 tb->s2num, tb->s2bytes, tb->cur_blknum, tb->lkey[0],
673 tb->rkey[0]);
674
675 /* this prints balance parameters for non-leaf levels */
676 h = 0;
677 do {
678 h++;
679 sprintf(print_tb_buf + strlen(print_tb_buf),
680 "* %d * %4d * %2d * * %2d * * %2d *\n",
681 h, tb->insert_size[h], tb->lnum[h], tb->rnum[h],
682 tb->blknum[h]);
683 } while (tb->insert_size[h]);
684
685 sprintf(print_tb_buf + strlen(print_tb_buf),
686 "=====================================================================\n"
687 "FEB list: ");
688
689 /* print FEB list (list of buffers in form (bh (b_blocknr, b_count), that will be used for new nodes) */
690 h = 0;
691 for (i = 0; i < ARRAY_SIZE(tb->FEB); i++)
692 sprintf(print_tb_buf + strlen(print_tb_buf),
693 "%p (%llu %d)%s", tb->FEB[i],
694 tb->FEB[i] ? (unsigned long long)tb->FEB[i]->
695 b_blocknr : 0ULL,
696 tb->FEB[i] ? atomic_read(&(tb->FEB[i]->b_count)) : 0,
697 (i == ARRAY_SIZE(tb->FEB) - 1) ? "\n" : ", ");
698
699 sprintf(print_tb_buf + strlen(print_tb_buf),
700 "======================== the end ====================================\n");
701 }
702
703 void print_cur_tb(char *mes)
704 {
705 printk("%s\n%s", mes, print_tb_buf);
706 }
707
708 static void check_leaf_block_head(struct buffer_head *bh)
709 {
710 struct block_head *blkh;
711 int nr;
712
713 blkh = B_BLK_HEAD(bh);
714 nr = blkh_nr_item(blkh);
715 if (nr > (bh->b_size - BLKH_SIZE) / IH_SIZE)
716 reiserfs_panic(NULL, "vs-6010", "invalid item number %z",
717 bh);
718 if (blkh_free_space(blkh) > bh->b_size - BLKH_SIZE - IH_SIZE * nr)
719 reiserfs_panic(NULL, "vs-6020", "invalid free space %z",
720 bh);
721
722 }
723
724 static void check_internal_block_head(struct buffer_head *bh)
725 {
726 struct block_head *blkh;
727
728 blkh = B_BLK_HEAD(bh);
729 if (!(B_LEVEL(bh) > DISK_LEAF_NODE_LEVEL && B_LEVEL(bh) <= MAX_HEIGHT))
730 reiserfs_panic(NULL, "vs-6025", "invalid level %z", bh);
731
732 if (B_NR_ITEMS(bh) > (bh->b_size - BLKH_SIZE) / IH_SIZE)
733 reiserfs_panic(NULL, "vs-6030", "invalid item number %z", bh);
734
735 if (B_FREE_SPACE(bh) !=
736 bh->b_size - BLKH_SIZE - KEY_SIZE * B_NR_ITEMS(bh) -
737 DC_SIZE * (B_NR_ITEMS(bh) + 1))
738 reiserfs_panic(NULL, "vs-6040", "invalid free space %z", bh);
739
740 }
741
742 void check_leaf(struct buffer_head *bh)
743 {
744 int i;
745 struct item_head *ih;
746
747 if (!bh)
748 return;
749 check_leaf_block_head(bh);
750 for (i = 0, ih = B_N_PITEM_HEAD(bh, 0); i < B_NR_ITEMS(bh); i++, ih++)
751 op_check_item(ih, B_I_PITEM(bh, ih));
752 }
753
754 void check_internal(struct buffer_head *bh)
755 {
756 if (!bh)
757 return;
758 check_internal_block_head(bh);
759 }
760
761 void print_statistics(struct super_block *s)
762 {
763
764 /*
765 printk ("reiserfs_put_super: session statistics: balances %d, fix_nodes %d, \
766 bmap with search %d, without %d, dir2ind %d, ind2dir %d\n",
767 REISERFS_SB(s)->s_do_balance, REISERFS_SB(s)->s_fix_nodes,
768 REISERFS_SB(s)->s_bmaps, REISERFS_SB(s)->s_bmaps_without_search,
769 REISERFS_SB(s)->s_direct2indirect, REISERFS_SB(s)->s_indirect2direct);
770 */
771
772 }
Linux with added FPC-III support