git.oblomov.eu Git - linux-2.6/blob - fs/reiserfs/prints.c

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