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   1 /* -*- linux-c -*- */
   2
   3 /* fs/reiserfs/procfs.c */
   4
   5 /*
   6  * Copyright 2000 by Hans Reiser, licensing governed by reiserfs/README
   7  */
   8
   9 /* proc info support a la one created by Sizif@Botik.RU for PGC */
  10
  11 /* $Id: procfs.c,v 1.1.8.2 2001/07/15 17:08:42 god Exp $ */
  12
  13 #include <linux/config.h>
  14 #include <linux/module.h>
  15 #include <linux/time.h>
  16 #include <linux/seq_file.h>
  17 #include <asm/uaccess.h>
  18 #include <linux/reiserfs_fs.h>
  19 #include <linux/reiserfs_fs_sb.h>
  20 #include <linux/smp_lock.h>
  21 #include <linux/init.h>
  22 #include <linux/proc_fs.h>
  23
  24 #if defined( REISERFS_PROC_INFO )
  25
  26 /*
  27  * LOCKING:
  28  *
  29  * We rely on new Alexander Viro's super-block locking.
  30  *
  31  */
  32
  33 static int show_version(struct seq_file *m, struct super_block *sb)
  34 {
  35         char *format;
  36
  37         if ( REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_6) ) {
  38                 format = "3.6";
  39         } else if ( REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_5) ) {
  40                 format = "3.5";
  41         } else {
  42                 format = "unknown";
  43         }
  44
  45         seq_printf(m, "%s format\twith checks %s\n",
  46                         format,
  47 #if defined( CONFIG_REISERFS_CHECK )
  48                         "on"
  49 #else
  50                         "off"
  51 #endif
  52                 );
  53         return 0;
  54 }
  55
  56 int reiserfs_global_version_in_proc( char *buffer, char **start, off_t offset,
  57                                      int count, int *eof, void *data )
  58 {
  59         *start = buffer;
  60         *eof = 1;
  61         return 0;
  62 }
  63
  64 #define SF( x ) ( r -> x )
  65 #define SFP( x ) SF( s_proc_info_data.x )
  66 #define SFPL( x ) SFP( x[ level ] )
  67 #define SFPF( x ) SFP( scan_bitmap.x )
  68 #define SFPJ( x ) SFP( journal.x )
  69
  70 #define D2C( x ) le16_to_cpu( x )
  71 #define D4C( x ) le32_to_cpu( x )
  72 #define DF( x ) D2C( rs -> s_v1.x )
  73 #define DFL( x ) D4C( rs -> s_v1.x )
  74
  75 #define objectid_map( s, rs ) (old_format_only (s) ?                            \
  76                          (__u32 *)((struct reiserfs_super_block_v1 *)rs + 1) :  \
  77                          (__u32 *)(rs + 1))
  78 #define MAP( i ) D4C( objectid_map( sb, rs )[ i ] )
  79
  80 #define DJF( x ) le32_to_cpu( rs -> x )
  81 #define DJV( x ) le32_to_cpu( s_v1 -> x )
  82 #define DJP( x ) le32_to_cpu( jp -> x )
  83 #define JF( x ) ( r -> s_journal -> x )
  84
  85 static int show_super(struct seq_file *m, struct super_block *sb)
  86 {
  87         struct reiserfs_sb_info *r = REISERFS_SB(sb);
  88
  89         seq_printf(m,   "state: \t%s\n"
  90                         "mount options: \t%s%s%s%s%s%s%s%s%s%s%s\n"
  91                         "gen. counter: \t%i\n"
  92                         "s_kmallocs: \t%i\n"
  93                         "s_disk_reads: \t%i\n"
  94                         "s_disk_writes: \t%i\n"
  95                         "s_fix_nodes: \t%i\n"
  96                         "s_do_balance: \t%i\n"
  97                         "s_unneeded_left_neighbor: \t%i\n"
  98                         "s_good_search_by_key_reada: \t%i\n"
  99                         "s_bmaps: \t%i\n"
 100                         "s_bmaps_without_search: \t%i\n"
 101                         "s_direct2indirect: \t%i\n"
 102                         "s_indirect2direct: \t%i\n"
 103                         "\n"
 104                         "max_hash_collisions: \t%i\n"
 105
 106                         "breads: \t%lu\n"
 107                         "bread_misses: \t%lu\n"
 108
 109                         "search_by_key: \t%lu\n"
 110                         "search_by_key_fs_changed: \t%lu\n"
 111                         "search_by_key_restarted: \t%lu\n"
 112
 113                         "insert_item_restarted: \t%lu\n"
 114                         "paste_into_item_restarted: \t%lu\n"
 115                         "cut_from_item_restarted: \t%lu\n"
 116                         "delete_solid_item_restarted: \t%lu\n"
 117                         "delete_item_restarted: \t%lu\n"
 118
 119                         "leaked_oid: \t%lu\n"
 120                         "leaves_removable: \t%lu\n",
 121
 122                         SF( s_mount_state ) == REISERFS_VALID_FS ?
 123                         "REISERFS_VALID_FS" : "REISERFS_ERROR_FS",
 124                         reiserfs_r5_hash( sb ) ? "FORCE_R5 " : "",
 125                         reiserfs_rupasov_hash( sb ) ? "FORCE_RUPASOV " : "",
 126                         reiserfs_tea_hash( sb ) ? "FORCE_TEA " : "",
 127                         reiserfs_hash_detect( sb ) ? "DETECT_HASH " : "",
 128                         reiserfs_no_border( sb ) ? "NO_BORDER " : "BORDER ",
 129                         reiserfs_no_unhashed_relocation( sb ) ? "NO_UNHASHED_RELOCATION " : "",
 130                         reiserfs_hashed_relocation( sb ) ? "UNHASHED_RELOCATION " : "",
 131                         reiserfs_test4( sb ) ? "TEST4 " : "",
 132                         have_large_tails( sb ) ? "TAILS " : have_small_tails(sb)?"SMALL_TAILS ":"NO_TAILS ",
 133                         replay_only( sb ) ? "REPLAY_ONLY " : "",
 134                         convert_reiserfs( sb ) ? "CONV " : "",
 135
 136                         atomic_read( &r -> s_generation_counter ),
 137                         SF( s_kmallocs ),
 138                         SF( s_disk_reads ),
 139                         SF( s_disk_writes ),
 140                         SF( s_fix_nodes ),
 141                         SF( s_do_balance ),
 142                         SF( s_unneeded_left_neighbor ),
 143                         SF( s_good_search_by_key_reada ),
 144                         SF( s_bmaps ),
 145                         SF( s_bmaps_without_search ),
 146                         SF( s_direct2indirect ),
 147                         SF( s_indirect2direct ),
 148                         SFP( max_hash_collisions ),
 149                         SFP( breads ),
 150                         SFP( bread_miss ),
 151                         SFP( search_by_key ),
 152                         SFP( search_by_key_fs_changed ),
 153                         SFP( search_by_key_restarted ),
 154
 155                         SFP( insert_item_restarted ),
 156                         SFP( paste_into_item_restarted ),
 157                         SFP( cut_from_item_restarted ),
 158                         SFP( delete_solid_item_restarted ),
 159                         SFP( delete_item_restarted ),
 160
 161                         SFP( leaked_oid ),
 162                         SFP( leaves_removable ) );
 163
 164         return 0;
 165 }
 166
 167 static int show_per_level(struct seq_file *m, struct super_block *sb)
 168 {
 169         struct reiserfs_sb_info *r = REISERFS_SB(sb);
 170         int level;
 171
 172         seq_printf(m,   "level\t"
 173                         "     balances"
 174                         " [sbk:  reads"
 175                         "   fs_changed"
 176                         "   restarted]"
 177                         "   free space"
 178                         "        items"
 179                         "   can_remove"
 180                         "         lnum"
 181                         "         rnum"
 182                         "       lbytes"
 183                         "       rbytes"
 184                         "     get_neig"
 185                         " get_neig_res"
 186                         "  need_l_neig"
 187                         "  need_r_neig"
 188                         "\n"
 189
 190                 );
 191
 192         for( level = 0 ; level < MAX_HEIGHT ; ++ level ) {
 193                 seq_printf(m,   "%i\t"
 194                                 " %12lu"
 195                                 " %12lu"
 196                                 " %12lu"
 197                                 " %12lu"
 198                                 " %12lu"
 199                                 " %12lu"
 200                                 " %12lu"
 201                                 " %12li"
 202                                 " %12li"
 203                                 " %12li"
 204                                 " %12li"
 205                                 " %12lu"
 206                                 " %12lu"
 207                                 " %12lu"
 208                                 " %12lu"
 209                                 "\n",
 210                                 level,
 211                                 SFPL( balance_at ),
 212                                 SFPL( sbk_read_at ),
 213                                 SFPL( sbk_fs_changed ),
 214                                 SFPL( sbk_restarted ),
 215                                 SFPL( free_at ),
 216                                 SFPL( items_at ),
 217                                 SFPL( can_node_be_removed ),
 218                                 SFPL( lnum ),
 219                                 SFPL( rnum ),
 220                                 SFPL( lbytes ),
 221                                 SFPL( rbytes ),
 222                                 SFPL( get_neighbors ),
 223                                 SFPL( get_neighbors_restart ),
 224                                 SFPL( need_l_neighbor ),
 225                                 SFPL( need_r_neighbor )
 226                         );
 227         }
 228         return 0;
 229 }
 230
 231 static int show_bitmap(struct seq_file *m, struct super_block *sb)
 232 {
 233         struct reiserfs_sb_info *r = REISERFS_SB(sb);
 234
 235         seq_printf(m,   "free_block: %lu\n"
 236                         "  scan_bitmap:"
 237                         "          wait"
 238                         "          bmap"
 239                         "         retry"
 240                         "        stolen"
 241                         "  journal_hint"
 242                         "journal_nohint"
 243                         "\n"
 244                         " %14lu"
 245                         " %14lu"
 246                         " %14lu"
 247                         " %14lu"
 248                         " %14lu"
 249                         " %14lu"
 250                         " %14lu"
 251                         "\n",
 252                         SFP( free_block ),
 253                         SFPF( call ),
 254                         SFPF( wait ),
 255                         SFPF( bmap ),
 256                         SFPF( retry ),
 257                         SFPF( stolen ),
 258                         SFPF( in_journal_hint ),
 259                         SFPF( in_journal_nohint ) );
 260
 261         return 0;
 262 }
 263
 264 static int show_on_disk_super(struct seq_file *m, struct super_block *sb)
 265 {
 266         struct reiserfs_sb_info *sb_info = REISERFS_SB(sb);
 267         struct reiserfs_super_block *rs = sb_info -> s_rs;
 268         int hash_code = DFL( s_hash_function_code );
 269         __u32 flags = DJF( s_flags );
 270
 271         seq_printf(m,   "block_count: \t%i\n"
 272                         "free_blocks: \t%i\n"
 273                         "root_block: \t%i\n"
 274                         "blocksize: \t%i\n"
 275                         "oid_maxsize: \t%i\n"
 276                         "oid_cursize: \t%i\n"
 277                         "umount_state: \t%i\n"
 278                         "magic: \t%10.10s\n"
 279                         "fs_state: \t%i\n"
 280                         "hash: \t%s\n"
 281                         "tree_height: \t%i\n"
 282                         "bmap_nr: \t%i\n"
 283                         "version: \t%i\n"
 284                         "flags: \t%x[%s]\n"
 285                         "reserved_for_journal: \t%i\n",
 286
 287                         DFL( s_block_count ),
 288                         DFL( s_free_blocks ),
 289                         DFL( s_root_block ),
 290                         DF( s_blocksize ),
 291                         DF( s_oid_maxsize ),
 292                         DF( s_oid_cursize ),
 293                         DF( s_umount_state ),
 294                         rs -> s_v1.s_magic,
 295                         DF( s_fs_state ),
 296                         hash_code == TEA_HASH ? "tea" :
 297                         ( hash_code == YURA_HASH ) ? "rupasov" :
 298                         ( hash_code == R5_HASH ) ? "r5" :
 299                         ( hash_code == UNSET_HASH ) ? "unset" : "unknown",
 300                         DF( s_tree_height ),
 301                         DF( s_bmap_nr ),
 302                         DF( s_version ),
 303                         flags,
 304                         ( flags & reiserfs_attrs_cleared )
 305                         ? "attrs_cleared" : "",
 306                         DF (s_reserved_for_journal));
 307
 308         return 0;
 309 }
 310
 311 static int show_oidmap(struct seq_file *m, struct super_block *sb)
 312 {
 313         struct reiserfs_sb_info *sb_info = REISERFS_SB(sb);
 314         struct reiserfs_super_block *rs = sb_info -> s_rs;
 315         unsigned int mapsize = le16_to_cpu( rs -> s_v1.s_oid_cursize );
 316         unsigned long total_used = 0;
 317         int i;
 318
 319         for( i = 0 ; i < mapsize ; ++i ) {
 320                 __u32 right;
 321
 322                 right = ( i == mapsize - 1 ) ? MAX_KEY_OBJECTID : MAP( i + 1 );
 323                 seq_printf(m, "%s: [ %x .. %x )\n",
 324                                 ( i & 1 ) ? "free" : "used", MAP( i ), right );
 325                 if( ! ( i & 1 ) ) {
 326                         total_used += right - MAP( i );
 327                 }
 328         }
 329 #if defined( REISERFS_USE_OIDMAPF )
 330         if( sb_info -> oidmap.use_file && ( sb_info -> oidmap.mapf != NULL ) ) {
 331                 loff_t size = sb_info->oidmap.mapf->f_dentry->d_inode->i_size;
 332                 total_used += size / sizeof( reiserfs_oidinterval_d_t );
 333         }
 334 #endif
 335         seq_printf(m, "total: \t%i [%i/%i] used: %lu [exact]\n",
 336                         mapsize,
 337                         mapsize, le16_to_cpu( rs -> s_v1.s_oid_maxsize ),
 338                         total_used);
 339         return 0;
 340 }
 341
 342 static int show_journal(struct seq_file *m, struct super_block *sb)
 343 {
 344         struct reiserfs_sb_info *r = REISERFS_SB(sb);
 345         struct reiserfs_super_block *rs = r -> s_rs;
 346         struct journal_params *jp = &rs->s_v1.s_journal;
 347         char b[BDEVNAME_SIZE];
 348
 349
 350         seq_printf(m,    /* on-disk fields */
 351                         "jp_journal_1st_block: \t%i\n"
 352                         "jp_journal_dev: \t%s[%x]\n"
 353                         "jp_journal_size: \t%i\n"
 354                         "jp_journal_trans_max: \t%i\n"
 355                         "jp_journal_magic: \t%i\n"
 356                         "jp_journal_max_batch: \t%i\n"
 357                         "jp_journal_max_commit_age: \t%i\n"
 358                         "jp_journal_max_trans_age: \t%i\n"
 359                         /* incore fields */
 360                         "j_1st_reserved_block: \t%i\n"
 361                         "j_state: \t%li\n"
 362                         "j_trans_id: \t%lu\n"
 363                         "j_mount_id: \t%lu\n"
 364                         "j_start: \t%lu\n"
 365                         "j_len: \t%lu\n"
 366                         "j_len_alloc: \t%lu\n"
 367                         "j_wcount: \t%i\n"
 368                         "j_bcount: \t%lu\n"
 369                         "j_first_unflushed_offset: \t%lu\n"
 370                         "j_last_flush_trans_id: \t%lu\n"
 371                         "j_trans_start_time: \t%li\n"
 372                         "j_list_bitmap_index: \t%i\n"
 373                         "j_must_wait: \t%i\n"
 374                         "j_next_full_flush: \t%i\n"
 375                         "j_next_async_flush: \t%i\n"
 376                         "j_cnode_used: \t%i\n"
 377                         "j_cnode_free: \t%i\n"
 378                         "\n"
 379                         /* reiserfs_proc_info_data_t.journal fields */
 380                         "in_journal: \t%12lu\n"
 381                         "in_journal_bitmap: \t%12lu\n"
 382                         "in_journal_reusable: \t%12lu\n"
 383                         "lock_journal: \t%12lu\n"
 384                         "lock_journal_wait: \t%12lu\n"
 385                         "journal_begin: \t%12lu\n"
 386                         "journal_relock_writers: \t%12lu\n"
 387                         "journal_relock_wcount: \t%12lu\n"
 388                         "mark_dirty: \t%12lu\n"
 389                         "mark_dirty_already: \t%12lu\n"
 390                         "mark_dirty_notjournal: \t%12lu\n"
 391                         "restore_prepared: \t%12lu\n"
 392                         "prepare: \t%12lu\n"
 393                         "prepare_retry: \t%12lu\n",
 394
 395                         DJP( jp_journal_1st_block ),
 396                         bdevname(SB_JOURNAL(sb)->j_dev_bd, b),
 397                         DJP( jp_journal_dev ),
 398                         DJP( jp_journal_size ),
 399                         DJP( jp_journal_trans_max ),
 400                         DJP( jp_journal_magic ),
 401                         DJP( jp_journal_max_batch ),
 402                         SB_JOURNAL(sb)->j_max_commit_age,
 403                         DJP( jp_journal_max_trans_age ),
 404
 405                         JF( j_1st_reserved_block ),
 406                         JF( j_state ),
 407                         JF( j_trans_id ),
 408                         JF( j_mount_id ),
 409                         JF( j_start ),
 410                         JF( j_len ),
 411                         JF( j_len_alloc ),
 412                         atomic_read( & r -> s_journal -> j_wcount ),
 413                         JF( j_bcount ),
 414                         JF( j_first_unflushed_offset ),
 415                         JF( j_last_flush_trans_id ),
 416                         JF( j_trans_start_time ),
 417                         JF( j_list_bitmap_index ),
 418                         JF( j_must_wait ),
 419                         JF( j_next_full_flush ),
 420                         JF( j_next_async_flush ),
 421                         JF( j_cnode_used ),
 422                         JF( j_cnode_free ),
 423
 424                         SFPJ( in_journal ),
 425                         SFPJ( in_journal_bitmap ),
 426                         SFPJ( in_journal_reusable ),
 427                         SFPJ( lock_journal ),
 428                         SFPJ( lock_journal_wait ),
 429                         SFPJ( journal_being ),
 430                         SFPJ( journal_relock_writers ),
 431                         SFPJ( journal_relock_wcount ),
 432                         SFPJ( mark_dirty ),
 433                         SFPJ( mark_dirty_already ),
 434                         SFPJ( mark_dirty_notjournal ),
 435                         SFPJ( restore_prepared ),
 436                         SFPJ( prepare ),
 437                         SFPJ( prepare_retry )
 438                 );
 439         return 0;
 440 }
 441
 442 /* iterator */
 443 static int test_sb(struct super_block *sb, void *data)
 444 {
 445         return data == sb;
 446 }
 447
 448 static int set_sb(struct super_block *sb, void *data)
 449 {
 450         return -ENOENT;
 451 }
 452
 453 static void *r_start(struct seq_file *m, loff_t *pos)
 454 {
 455         struct proc_dir_entry *de = m->private;
 456         struct super_block *s = de->parent->data;
 457         loff_t l = *pos;
 458
 459         if (l)
 460                 return NULL;
 461
 462         if (IS_ERR(sget(&reiserfs_fs_type, test_sb, set_sb, s)))
 463                 return NULL;
 464
 465         up_write(&s->s_umount);
 466
 467         if (de->deleted) {
 468                 deactivate_super(s);
 469                 return NULL;
 470         }
 471
 472         return s;
 473 }
 474
 475 static void *r_next(struct seq_file *m, void *v, loff_t *pos)
 476 {
 477         ++*pos;
 478         if (v)
 479                 deactivate_super(v);
 480         return NULL;
 481 }
 482
 483 static void r_stop(struct seq_file *m, void *v)
 484 {
 485         if (v)
 486                 deactivate_super(v);
 487 }
 488
 489 static int r_show(struct seq_file *m, void *v)
 490 {
 491         struct proc_dir_entry *de = m->private;
 492         int (*show)(struct seq_file *, struct super_block *) = de->data;
 493         return show(m, v);
 494 }
 495
 496 static struct seq_operations r_ops = {
 497         .start = r_start,
 498         .next = r_next,
 499         .stop = r_stop,
 500         .show = r_show,
 501 };
 502
 503 static int r_open(struct inode *inode, struct file *file)
 504 {
 505         int ret = seq_open(file, &r_ops);
 506
 507         if (!ret) {
 508                 struct seq_file *m = file->private_data;
 509                 m->private = PDE(inode);
 510         }
 511         return ret;
 512 }
 513
 514 static struct file_operations r_file_operations = {
 515         .open           = r_open,
 516         .read           = seq_read,
 517         .llseek         = seq_lseek,
 518         .release        = seq_release,
 519 };
 520
 521 static struct proc_dir_entry *proc_info_root = NULL;
 522 static const char proc_info_root_name[] = "fs/reiserfs";
 523
 524 static void add_file(struct super_block *sb, char *name,
 525         int (*func)(struct seq_file *, struct super_block *))
 526 {
 527         struct proc_dir_entry *de;
 528         de = create_proc_entry(name, 0, REISERFS_SB(sb)->procdir);
 529         if (de) {
 530                 de->data = func;
 531                 de->proc_fops = &r_file_operations;
 532         }
 533 }
 534
 535 int reiserfs_proc_info_init( struct super_block *sb )
 536 {
 537         spin_lock_init( & __PINFO( sb ).lock );
 538         REISERFS_SB(sb)->procdir = proc_mkdir(reiserfs_bdevname (sb), proc_info_root);
 539         if( REISERFS_SB(sb)->procdir ) {
 540                 REISERFS_SB(sb)->procdir->owner = THIS_MODULE;
 541                 REISERFS_SB(sb)->procdir->data = sb;
 542                 add_file(sb, "version", show_version);
 543                 add_file(sb, "super", show_super);
 544                 add_file(sb, "per-level", show_per_level);
 545                 add_file(sb, "bitmap", show_bitmap);
 546                 add_file(sb, "on-disk-super", show_on_disk_super);
 547                 add_file(sb, "oidmap", show_oidmap);
 548                 add_file(sb, "journal", show_journal);
 549                 return 0;
 550         }
 551         reiserfs_warning(sb, "reiserfs: cannot create /proc/%s/%s",
 552                          proc_info_root_name, reiserfs_bdevname (sb) );
 553         return 1;
 554 }
 555
 556 int reiserfs_proc_info_done( struct super_block *sb )
 557 {
 558         struct proc_dir_entry *de = REISERFS_SB(sb)->procdir;
 559         if (de) {
 560                 remove_proc_entry("journal", de);
 561                 remove_proc_entry("oidmap", de);
 562                 remove_proc_entry("on-disk-super", de);
 563                 remove_proc_entry("bitmap", de);
 564                 remove_proc_entry("per-level", de);
 565                 remove_proc_entry("super", de);
 566                 remove_proc_entry("version", de);
 567         }
 568         spin_lock( & __PINFO( sb ).lock );
 569         __PINFO( sb ).exiting = 1;
 570         spin_unlock( & __PINFO( sb ).lock );
 571         if ( proc_info_root ) {
 572                 remove_proc_entry( reiserfs_bdevname (sb), proc_info_root );
 573                 REISERFS_SB(sb)->procdir = NULL;
 574         }
 575         return 0;
 576 }
 577
 578 struct proc_dir_entry *reiserfs_proc_register_global( char *name,
 579                                                       read_proc_t *func )
 580 {
 581         return ( proc_info_root ) ? create_proc_read_entry( name, 0,
 582                                                             proc_info_root,
 583                                                             func, NULL ) : NULL;
 584 }
 585
 586 void reiserfs_proc_unregister_global( const char *name )
 587 {
 588         remove_proc_entry( name, proc_info_root );
 589 }
 590
 591 int reiserfs_proc_info_global_init( void )
 592 {
 593         if( proc_info_root == NULL ) {
 594                 proc_info_root = proc_mkdir(proc_info_root_name, NULL);
 595                 if( proc_info_root ) {
 596                         proc_info_root -> owner = THIS_MODULE;
 597                 } else {
 598                         reiserfs_warning (NULL,
 599                                           "reiserfs: cannot create /proc/%s",
 600                                           proc_info_root_name );
 601                         return 1;
 602                 }
 603         }
 604         return 0;
 605 }
 606
 607 int reiserfs_proc_info_global_done( void )
 608 {
 609         if ( proc_info_root != NULL ) {
 610                 proc_info_root = NULL;
 611                 remove_proc_entry(proc_info_root_name, NULL);
 612         }
 613         return 0;
 614 }
 615
 616 /* REISERFS_PROC_INFO */
 617 #else
 618
 619 int reiserfs_proc_info_init( struct super_block *sb ) { return 0; }
 620 int reiserfs_proc_info_done( struct super_block *sb ) { return 0; }
 621
 622 struct proc_dir_entry *reiserfs_proc_register_global( char *name,
 623                                                       read_proc_t *func )
 624 { return NULL; }
 625
 626 void reiserfs_proc_unregister_global( const char *name ) {;}
 627
 628 int reiserfs_proc_info_global_init( void ) { return 0; }
 629 int reiserfs_proc_info_global_done( void ) { return 0; }
 630
 631 int reiserfs_global_version_in_proc( char *buffer, char **start,
 632                                      off_t offset,
 633                                      int count, int *eof, void *data )
 634 { return 0; }
 635
 636 /* REISERFS_PROC_INFO */
 637 #endif
 638
 639 /*
 640  * $Log: procfs.c,v $
 641  * Revision 1.1.8.2  2001/07/15 17:08:42  god
 642  *  . use get_super() in procfs.c
 643  *  . remove remove_save_link() from reiserfs_do_truncate()
 644  *
 645  * I accept terms and conditions stated in the Legal Agreement
 646  * (available at http://www.namesys.com/legalese.html)
 647  *
 648  * Revision 1.1.8.1  2001/07/11 16:48:50  god
 649  * proc info support
 650  *
 651  * I accept terms and conditions stated in the Legal Agreement
 652  * (available at http://www.namesys.com/legalese.html)
 653  *
 654  */
 655
 656 /*
 657  * Make Linus happy.
 658  * Local variables:
 659  * c-indentation-style: "K&R"
 660  * mode-name: "LC"
 661  * c-basic-offset: 8
 662  * tab-width: 8
 663  * End:
 664  */