Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[firefly-linux-kernel-4.4.55.git] / fs / reiserfs / prints.c
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 "reiserfs.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, "%llu(%llu)",
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, "%llu(%llu)",
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 /*
176  * debugging reiserfs we used to print out a lot of different
177  * variables, like keys, item headers, buffer heads etc. Values of
178  * most fields matter. So it took a long time just to write
179  * appropriative printk. With this reiserfs_warning you can use format
180  * specification for complex structures like you used to do with
181  * printfs for integers, doubles and pointers. For instance, to print
182  * out key structure you have to write just:
183  * reiserfs_warning ("bad key %k", key);
184  * instead of
185  * printk ("bad key %lu %lu %lu %lu", key->k_dir_id, key->k_objectid,
186  *         key->k_offset, key->k_uniqueness);
187  */
188 static DEFINE_SPINLOCK(error_lock);
189 static void prepare_error_buf(const char *fmt, va_list args)
190 {
191         char *fmt1 = fmt_buf;
192         char *k;
193         char *p = error_buf;
194         int what;
195
196         spin_lock(&error_lock);
197
198         strcpy(fmt1, fmt);
199
200         while ((k = is_there_reiserfs_struct(fmt1, &what)) != NULL) {
201                 *k = 0;
202
203                 p += vsprintf(p, fmt1, args);
204
205                 switch (what) {
206                 case 'k':
207                         sprintf_le_key(p, va_arg(args, struct reiserfs_key *));
208                         break;
209                 case 'K':
210                         sprintf_cpu_key(p, va_arg(args, struct cpu_key *));
211                         break;
212                 case 'h':
213                         sprintf_item_head(p, va_arg(args, struct item_head *));
214                         break;
215                 case 't':
216                         sprintf_direntry(p,
217                                          va_arg(args,
218                                                 struct reiserfs_dir_entry *));
219                         break;
220                 case 'y':
221                         sprintf_disk_child(p,
222                                            va_arg(args, struct disk_child *));
223                         break;
224                 case 'z':
225                         sprintf_block_head(p,
226                                            va_arg(args, struct buffer_head *));
227                         break;
228                 case 'b':
229                         sprintf_buffer_head(p,
230                                             va_arg(args, struct buffer_head *));
231                         break;
232                 case 'a':
233                         sprintf_de_head(p,
234                                         va_arg(args,
235                                                struct reiserfs_de_head *));
236                         break;
237                 }
238
239                 p += strlen(p);
240                 fmt1 = k + 2;
241         }
242         vsprintf(p, fmt1, args);
243         spin_unlock(&error_lock);
244
245 }
246
247 /*
248  * in addition to usual conversion specifiers this accepts reiserfs
249  * specific conversion specifiers:
250  * %k to print little endian key,
251  * %K to print cpu key,
252  * %h to print item_head,
253  * %t to print directory entry
254  * %z to print block head (arg must be struct buffer_head *
255  * %b to print buffer_head
256  */
257
258 #define do_reiserfs_warning(fmt)\
259 {\
260     va_list args;\
261     va_start( args, fmt );\
262     prepare_error_buf( fmt, args );\
263     va_end( args );\
264 }
265
266 void __reiserfs_warning(struct super_block *sb, const char *id,
267                          const char *function, const char *fmt, ...)
268 {
269         do_reiserfs_warning(fmt);
270         if (sb)
271                 printk(KERN_WARNING "REISERFS warning (device %s): %s%s%s: "
272                        "%s\n", sb->s_id, id ? id : "", id ? " " : "",
273                        function, error_buf);
274         else
275                 printk(KERN_WARNING "REISERFS warning: %s%s%s: %s\n",
276                        id ? id : "", id ? " " : "", function, error_buf);
277 }
278
279 /* No newline.. reiserfs_info calls can be followed by printk's */
280 void reiserfs_info(struct super_block *sb, const char *fmt, ...)
281 {
282         do_reiserfs_warning(fmt);
283         if (sb)
284                 printk(KERN_NOTICE "REISERFS (device %s): %s",
285                        sb->s_id, error_buf);
286         else
287                 printk(KERN_NOTICE "REISERFS %s:", error_buf);
288 }
289
290 /* No newline.. reiserfs_printk calls can be followed by printk's */
291 static void reiserfs_printk(const char *fmt, ...)
292 {
293         do_reiserfs_warning(fmt);
294         printk(error_buf);
295 }
296
297 void reiserfs_debug(struct super_block *s, int level, const char *fmt, ...)
298 {
299 #ifdef CONFIG_REISERFS_CHECK
300         do_reiserfs_warning(fmt);
301         if (s)
302                 printk(KERN_DEBUG "REISERFS debug (device %s): %s\n",
303                        s->s_id, error_buf);
304         else
305                 printk(KERN_DEBUG "REISERFS debug: %s\n", error_buf);
306 #endif
307 }
308
309 /*
310  * The format:
311  *
312  *          maintainer-errorid: [function-name:] message
313  *
314  *   where errorid is unique to the maintainer and function-name is
315  *   optional, is recommended, so that anyone can easily find the bug
316  *   with a simple grep for the short to type string
317  *   maintainer-errorid.  Don't bother with reusing errorids, there are
318  *   lots of numbers out there.
319  *
320  *   Example:
321  *
322  *   reiserfs_panic(
323  *     p_sb, "reiser-29: reiserfs_new_blocknrs: "
324  *     "one of search_start or rn(%d) is equal to MAX_B_NUM,"
325  *     "which means that we are optimizing location based on the "
326  *     "bogus location of a temp buffer (%p).",
327  *     rn, bh
328  *   );
329  *
330  *   Regular panic()s sometimes clear the screen before the message can
331  *   be read, thus the need for the while loop.
332  *
333  *   Numbering scheme for panic used by Vladimir and Anatoly( Hans completely
334  *   ignores this scheme, and considers it pointless complexity):
335  *
336  *   panics in reiserfs_fs.h have numbers from 1000 to 1999
337  *   super.c                    2000 to 2999
338  *   preserve.c (unused)        3000 to 3999
339  *   bitmap.c                   4000 to 4999
340  *   stree.c                    5000 to 5999
341  *   prints.c                   6000 to 6999
342  *   namei.c                    7000 to 7999
343  *   fix_nodes.c                8000 to 8999
344  *   dir.c                      9000 to 9999
345  *   lbalance.c                 10000 to 10999
346  *   ibalance.c                 11000 to 11999 not ready
347  *   do_balan.c                 12000 to 12999
348  *   inode.c                    13000 to 13999
349  *   file.c                     14000 to 14999
350  *   objectid.c                 15000 - 15999
351  *   buffer.c                   16000 - 16999
352  *   symlink.c                  17000 - 17999
353  *
354  *  .  */
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                 printk(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                 printk(KERN_WARNING "REISERFS panic: %s%s%s: %s\n",
370                       id ? id : "", id ? " " : "", function, error_buf);
371         BUG();
372 }
373
374 void __reiserfs_error(struct super_block *sb, const char *id,
375                       const char *function, const char *fmt, ...)
376 {
377         do_reiserfs_warning(fmt);
378
379         BUG_ON(sb == NULL);
380
381         if (reiserfs_error_panic(sb))
382                 __reiserfs_panic(sb, id, function, error_buf);
383
384         if (id && id[0])
385                 printk(KERN_CRIT "REISERFS error (device %s): %s %s: %s\n",
386                        sb->s_id, id, function, error_buf);
387         else
388                 printk(KERN_CRIT "REISERFS error (device %s): %s: %s\n",
389                        sb->s_id, function, error_buf);
390
391         if (sb->s_flags & MS_RDONLY)
392                 return;
393
394         reiserfs_info(sb, "Remounting filesystem read-only\n");
395         sb->s_flags |= MS_RDONLY;
396         reiserfs_abort_journal(sb, -EIO);
397 }
398
399 void reiserfs_abort(struct super_block *sb, int errno, const char *fmt, ...)
400 {
401         do_reiserfs_warning(fmt);
402
403         if (reiserfs_error_panic(sb)) {
404                 panic(KERN_CRIT "REISERFS panic (device %s): %s\n", sb->s_id,
405                       error_buf);
406         }
407
408         if (reiserfs_is_journal_aborted(SB_JOURNAL(sb)))
409                 return;
410
411         printk(KERN_CRIT "REISERFS abort (device %s): %s\n", sb->s_id,
412                error_buf);
413
414         sb->s_flags |= MS_RDONLY;
415         reiserfs_abort_journal(sb, errno);
416 }
417
418 /*
419  * this prints internal nodes (4 keys/items in line) (dc_number,
420  * dc_size)[k_dirid, k_objectid, k_offset, k_uniqueness](dc_number,
421  * dc_size)...
422  */
423 static int print_internal(struct buffer_head *bh, int first, int last)
424 {
425         struct reiserfs_key *key;
426         struct disk_child *dc;
427         int i;
428         int from, to;
429
430         if (!B_IS_KEYS_LEVEL(bh))
431                 return 1;
432
433         check_internal(bh);
434
435         if (first == -1) {
436                 from = 0;
437                 to = B_NR_ITEMS(bh);
438         } else {
439                 from = first;
440                 to = last < B_NR_ITEMS(bh) ? last : B_NR_ITEMS(bh);
441         }
442
443         reiserfs_printk("INTERNAL NODE (%ld) contains %z\n", bh->b_blocknr, bh);
444
445         dc = B_N_CHILD(bh, from);
446         reiserfs_printk("PTR %d: %y ", from, dc);
447
448         for (i = from, key = internal_key(bh, from), dc++; i < to;
449              i++, key++, dc++) {
450                 reiserfs_printk("KEY %d: %k PTR %d: %y ", i, key, i + 1, dc);
451                 if (i && i % 4 == 0)
452                         printk("\n");
453         }
454         printk("\n");
455         return 0;
456 }
457
458 static int print_leaf(struct buffer_head *bh, int print_mode, int first,
459                       int last)
460 {
461         struct block_head *blkh;
462         struct item_head *ih;
463         int i, nr;
464         int from, to;
465
466         if (!B_IS_ITEMS_LEVEL(bh))
467                 return 1;
468
469         check_leaf(bh);
470
471         blkh = B_BLK_HEAD(bh);
472         ih = item_head(bh, 0);
473         nr = blkh_nr_item(blkh);
474
475         printk
476             ("\n===================================================================\n");
477         reiserfs_printk("LEAF NODE (%ld) contains %z\n", bh->b_blocknr, bh);
478
479         if (!(print_mode & PRINT_LEAF_ITEMS)) {
480                 reiserfs_printk("FIRST ITEM_KEY: %k, LAST ITEM KEY: %k\n",
481                                 &(ih->ih_key), &((ih + nr - 1)->ih_key));
482                 return 0;
483         }
484
485         if (first < 0 || first > nr - 1)
486                 from = 0;
487         else
488                 from = first;
489
490         if (last < 0 || last > nr)
491                 to = nr;
492         else
493                 to = last;
494
495         ih += from;
496         printk
497             ("-------------------------------------------------------------------------------\n");
498         printk
499             ("|##|   type    |           key           | ilen | free_space | version | loc  |\n");
500         for (i = from; i < to; i++, ih++) {
501                 printk
502                     ("-------------------------------------------------------------------------------\n");
503                 reiserfs_printk("|%2d| %h |\n", i, ih);
504                 if (print_mode & PRINT_LEAF_ITEMS)
505                         op_print_item(ih, ih_item_body(bh, ih));
506         }
507
508         printk
509             ("===================================================================\n");
510
511         return 0;
512 }
513
514 char *reiserfs_hashname(int code)
515 {
516         if (code == YURA_HASH)
517                 return "rupasov";
518         if (code == TEA_HASH)
519                 return "tea";
520         if (code == R5_HASH)
521                 return "r5";
522
523         return "unknown";
524 }
525
526 /* return 1 if this is not super block */
527 static int print_super_block(struct buffer_head *bh)
528 {
529         struct reiserfs_super_block *rs =
530             (struct reiserfs_super_block *)(bh->b_data);
531         int skipped, data_blocks;
532         char *version;
533         char b[BDEVNAME_SIZE];
534
535         if (is_reiserfs_3_5(rs)) {
536                 version = "3.5";
537         } else if (is_reiserfs_3_6(rs)) {
538                 version = "3.6";
539         } else if (is_reiserfs_jr(rs)) {
540                 version = ((sb_version(rs) == REISERFS_VERSION_2) ?
541                            "3.6" : "3.5");
542         } else {
543                 return 1;
544         }
545
546         printk("%s\'s super block is in block %llu\n", bdevname(bh->b_bdev, b),
547                (unsigned long long)bh->b_blocknr);
548         printk("Reiserfs version %s\n", version);
549         printk("Block count %u\n", sb_block_count(rs));
550         printk("Blocksize %d\n", sb_blocksize(rs));
551         printk("Free blocks %u\n", sb_free_blocks(rs));
552         /*
553          * FIXME: this would be confusing if
554          * someone stores reiserfs super block in some data block ;)
555 //    skipped = (bh->b_blocknr * bh->b_size) / sb_blocksize(rs);
556          */
557         skipped = bh->b_blocknr;
558         data_blocks = sb_block_count(rs) - skipped - 1 - sb_bmap_nr(rs) -
559             (!is_reiserfs_jr(rs) ? sb_jp_journal_size(rs) +
560              1 : sb_reserved_for_journal(rs)) - sb_free_blocks(rs);
561         printk
562             ("Busy blocks (skipped %d, bitmaps - %d, journal (or reserved) blocks - %d\n"
563              "1 super block, %d data blocks\n", skipped, sb_bmap_nr(rs),
564              (!is_reiserfs_jr(rs) ? (sb_jp_journal_size(rs) + 1) :
565               sb_reserved_for_journal(rs)), data_blocks);
566         printk("Root block %u\n", sb_root_block(rs));
567         printk("Journal block (first) %d\n", sb_jp_journal_1st_block(rs));
568         printk("Journal dev %d\n", sb_jp_journal_dev(rs));
569         printk("Journal orig size %d\n", sb_jp_journal_size(rs));
570         printk("FS state %d\n", sb_fs_state(rs));
571         printk("Hash function \"%s\"\n",
572                reiserfs_hashname(sb_hash_function_code(rs)));
573
574         printk("Tree height %d\n", sb_tree_height(rs));
575         return 0;
576 }
577
578 static int print_desc_block(struct buffer_head *bh)
579 {
580         struct reiserfs_journal_desc *desc;
581
582         if (memcmp(get_journal_desc_magic(bh), JOURNAL_DESC_MAGIC, 8))
583                 return 1;
584
585         desc = (struct reiserfs_journal_desc *)(bh->b_data);
586         printk("Desc block %llu (j_trans_id %d, j_mount_id %d, j_len %d)",
587                (unsigned long long)bh->b_blocknr, get_desc_trans_id(desc),
588                get_desc_mount_id(desc), get_desc_trans_len(desc));
589
590         return 0;
591 }
592 /* ..., int print_mode, int first, int last) */
593 void print_block(struct buffer_head *bh, ...)
594 {
595         va_list args;
596         int mode, first, last;
597
598         if (!bh) {
599                 printk("print_block: buffer is NULL\n");
600                 return;
601         }
602
603         va_start(args, bh);
604
605         mode = va_arg(args, int);
606         first = va_arg(args, int);
607         last = va_arg(args, int);
608         if (print_leaf(bh, mode, first, last))
609                 if (print_internal(bh, first, last))
610                         if (print_super_block(bh))
611                                 if (print_desc_block(bh))
612                                         printk
613                                             ("Block %llu contains unformatted data\n",
614                                              (unsigned long long)bh->b_blocknr);
615
616         va_end(args);
617 }
618
619 static char print_tb_buf[2048];
620
621 /* this stores initial state of tree balance in the print_tb_buf */
622 void store_print_tb(struct tree_balance *tb)
623 {
624         int h = 0;
625         int i;
626         struct buffer_head *tbSh, *tbFh;
627
628         if (!tb)
629                 return;
630
631         sprintf(print_tb_buf, "\n"
632                 "BALANCING %d\n"
633                 "MODE=%c, ITEM_POS=%d POS_IN_ITEM=%d\n"
634                 "=====================================================================\n"
635                 "* h *    S    *    L    *    R    *   F   *   FL  *   FR  *  CFL  *  CFR  *\n",
636                 REISERFS_SB(tb->tb_sb)->s_do_balance,
637                 tb->tb_mode, PATH_LAST_POSITION(tb->tb_path),
638                 tb->tb_path->pos_in_item);
639
640         for (h = 0; h < ARRAY_SIZE(tb->insert_size); h++) {
641                 if (PATH_H_PATH_OFFSET(tb->tb_path, h) <=
642                     tb->tb_path->path_length
643                     && PATH_H_PATH_OFFSET(tb->tb_path,
644                                           h) > ILLEGAL_PATH_ELEMENT_OFFSET) {
645                         tbSh = PATH_H_PBUFFER(tb->tb_path, h);
646                         tbFh = PATH_H_PPARENT(tb->tb_path, h);
647                 } else {
648                         tbSh = NULL;
649                         tbFh = NULL;
650                 }
651                 sprintf(print_tb_buf + strlen(print_tb_buf),
652                         "* %d * %3lld(%2d) * %3lld(%2d) * %3lld(%2d) * %5lld * %5lld * %5lld * %5lld * %5lld *\n",
653                         h,
654                         (tbSh) ? (long long)(tbSh->b_blocknr) : (-1LL),
655                         (tbSh) ? atomic_read(&tbSh->b_count) : -1,
656                         (tb->L[h]) ? (long long)(tb->L[h]->b_blocknr) : (-1LL),
657                         (tb->L[h]) ? atomic_read(&tb->L[h]->b_count) : -1,
658                         (tb->R[h]) ? (long long)(tb->R[h]->b_blocknr) : (-1LL),
659                         (tb->R[h]) ? atomic_read(&tb->R[h]->b_count) : -1,
660                         (tbFh) ? (long long)(tbFh->b_blocknr) : (-1LL),
661                         (tb->FL[h]) ? (long long)(tb->FL[h]->
662                                                   b_blocknr) : (-1LL),
663                         (tb->FR[h]) ? (long long)(tb->FR[h]->
664                                                   b_blocknr) : (-1LL),
665                         (tb->CFL[h]) ? (long long)(tb->CFL[h]->
666                                                    b_blocknr) : (-1LL),
667                         (tb->CFR[h]) ? (long long)(tb->CFR[h]->
668                                                    b_blocknr) : (-1LL));
669         }
670
671         sprintf(print_tb_buf + strlen(print_tb_buf),
672                 "=====================================================================\n"
673                 "* h * size * ln * lb * rn * rb * blkn * s0 * s1 * s1b * s2 * s2b * curb * lk * rk *\n"
674                 "* 0 * %4d * %2d * %2d * %2d * %2d * %4d * %2d * %2d * %3d * %2d * %3d * %4d * %2d * %2d *\n",
675                 tb->insert_size[0], tb->lnum[0], tb->lbytes, tb->rnum[0],
676                 tb->rbytes, tb->blknum[0], tb->s0num, tb->snum[0],
677                 tb->sbytes[0], tb->snum[1], tb->sbytes[1],
678                 tb->cur_blknum, tb->lkey[0], tb->rkey[0]);
679
680         /* this prints balance parameters for non-leaf levels */
681         h = 0;
682         do {
683                 h++;
684                 sprintf(print_tb_buf + strlen(print_tb_buf),
685                         "* %d * %4d * %2d *    * %2d *    * %2d *\n",
686                         h, tb->insert_size[h], tb->lnum[h], tb->rnum[h],
687                         tb->blknum[h]);
688         } while (tb->insert_size[h]);
689
690         sprintf(print_tb_buf + strlen(print_tb_buf),
691                 "=====================================================================\n"
692                 "FEB list: ");
693
694         /* print FEB list (list of buffers in form (bh (b_blocknr, b_count), that will be used for new nodes) */
695         h = 0;
696         for (i = 0; i < ARRAY_SIZE(tb->FEB); i++)
697                 sprintf(print_tb_buf + strlen(print_tb_buf),
698                         "%p (%llu %d)%s", tb->FEB[i],
699                         tb->FEB[i] ? (unsigned long long)tb->FEB[i]->
700                         b_blocknr : 0ULL,
701                         tb->FEB[i] ? atomic_read(&tb->FEB[i]->b_count) : 0,
702                         (i == ARRAY_SIZE(tb->FEB) - 1) ? "\n" : ", ");
703
704         sprintf(print_tb_buf + strlen(print_tb_buf),
705                 "======================== the end ====================================\n");
706 }
707
708 void print_cur_tb(char *mes)
709 {
710         printk("%s\n%s", mes, print_tb_buf);
711 }
712
713 static void check_leaf_block_head(struct buffer_head *bh)
714 {
715         struct block_head *blkh;
716         int nr;
717
718         blkh = B_BLK_HEAD(bh);
719         nr = blkh_nr_item(blkh);
720         if (nr > (bh->b_size - BLKH_SIZE) / IH_SIZE)
721                 reiserfs_panic(NULL, "vs-6010", "invalid item number %z",
722                                bh);
723         if (blkh_free_space(blkh) > bh->b_size - BLKH_SIZE - IH_SIZE * nr)
724                 reiserfs_panic(NULL, "vs-6020", "invalid free space %z",
725                                bh);
726
727 }
728
729 static void check_internal_block_head(struct buffer_head *bh)
730 {
731         struct block_head *blkh;
732
733         blkh = B_BLK_HEAD(bh);
734         if (!(B_LEVEL(bh) > DISK_LEAF_NODE_LEVEL && B_LEVEL(bh) <= MAX_HEIGHT))
735                 reiserfs_panic(NULL, "vs-6025", "invalid level %z", bh);
736
737         if (B_NR_ITEMS(bh) > (bh->b_size - BLKH_SIZE) / IH_SIZE)
738                 reiserfs_panic(NULL, "vs-6030", "invalid item number %z", bh);
739
740         if (B_FREE_SPACE(bh) !=
741             bh->b_size - BLKH_SIZE - KEY_SIZE * B_NR_ITEMS(bh) -
742             DC_SIZE * (B_NR_ITEMS(bh) + 1))
743                 reiserfs_panic(NULL, "vs-6040", "invalid free space %z", bh);
744
745 }
746
747 void check_leaf(struct buffer_head *bh)
748 {
749         int i;
750         struct item_head *ih;
751
752         if (!bh)
753                 return;
754         check_leaf_block_head(bh);
755         for (i = 0, ih = item_head(bh, 0); i < B_NR_ITEMS(bh); i++, ih++)
756                 op_check_item(ih, ih_item_body(bh, ih));
757 }
758
759 void check_internal(struct buffer_head *bh)
760 {
761         if (!bh)
762                 return;
763         check_internal_block_head(bh);
764 }
765
766 void print_statistics(struct super_block *s)
767 {
768
769         /*
770            printk ("reiserfs_put_super: session statistics: balances %d, fix_nodes %d, \
771            bmap with search %d, without %d, dir2ind %d, ind2dir %d\n",
772            REISERFS_SB(s)->s_do_balance, REISERFS_SB(s)->s_fix_nodes,
773            REISERFS_SB(s)->s_bmaps, REISERFS_SB(s)->s_bmaps_without_search,
774            REISERFS_SB(s)->s_direct2indirect, REISERFS_SB(s)->s_indirect2direct);
775          */
776
777 }