1 /*
   2     libparted - a library for manipulating disk partitions
   3     Copyright (C) 2000, 2007 Free Software Foundation, Inc.
   4 
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 3 of the License, or
   8     (at your option) any later version.
   9 
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14 
  15     You should have received a copy of the GNU General Public License
  16     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18 
  19 #ifndef REISERFS_H
  20 #define REISERFS_H
  21 
  22 #define REISERFS_API_VERSION 0
  23 
  24 #define REISERFS_SIGNATURE "ReIsErFs"
  25 #define REISER2FS_SIGNATURE "ReIsEr2Fs"
  26 #define REISER3FS_SIGNATURE "ReIsEr3Fs"
  27 
  28 #define DEFAULT_BLOCK_SIZE 4096
  29 
  30 struct reiserfs_super_block {
  31     uint32_t s_block_count;
  32     uint32_t s_free_blocks;
  33     uint32_t s_root_block;
  34     uint32_t s_journal_block;
  35     uint32_t s_journal_dev;
  36     uint32_t s_orig_journal_size;
  37     uint32_t s_journal_trans_max;
  38     uint32_t s_journal_block_count;
  39     uint32_t s_journal_max_batch;
  40     uint32_t s_journal_max_commit_age;
  41     uint32_t s_journal_max_trans_age;
  42     uint16_t s_blocksize;
  43     uint16_t s_oid_maxsize;
  44     uint16_t s_oid_cursize;
  45     uint16_t s_state;
  46     char s_magic[10];
  47     uint16_t s_fsck_state;
  48     uint32_t s_hash_function_code;
  49     uint16_t s_tree_height;
  50     uint16_t s_bmap_nr;
  51     uint16_t s_version;
  52     char padding[438];
  53 };
  54 
  55 typedef struct reiserfs_super_block reiserfs_super_block_t;
  56 
  57 enum reiserfs_exception_type {
  58     EXCEPTION_INFORMATION       = 1,
  59     EXCEPTION_WARNING           = 2,
  60     EXCEPTION_ERROR             = 3,
  61     EXCEPTION_FATAL             = 4,
  62     EXCEPTION_BUG               = 5,
  63     EXCEPTION_NO_FEATURE        = 6
  64 };
  65 
  66 typedef enum reiserfs_exception_type reiserfs_exception_type_t;
  67 
  68 enum reiserfs_exception_option {
  69     EXCEPTION_UNHANDLED         = 1 << 0,
  70     EXCEPTION_FIX               = 1 << 1,
  71     EXCEPTION_YES               = 1 << 2,
  72     EXCEPTION_NO                = 1 << 3,
  73     EXCEPTION_OK                = 1 << 4,
  74     EXCEPTION_RETRY             = 1 << 5,
  75     EXCEPTION_IGNORE            = 1 << 6,
  76     EXCEPTION_CANCEL            = 1 << 7
  77 };
  78 
  79 typedef enum reiserfs_exception_option reiserfs_exception_option_t;
  80 
  81 typedef void (reiserfs_gauge_handler_t)(const char *, unsigned int, void *, int, int, int);
  82 
  83 typedef void * reiserfs_exception_t;
  84 typedef void * reiserfs_gauge_t;
  85 typedef void * reiserfs_fs_t;
  86 
  87 #define FS_FORMAT_3_5                   0
  88 #define FS_FORMAT_3_6                   2
  89 
  90 #define SUPER_OFFSET_IN_BYTES           64*1024
  91 
  92 #define DEFAULT_JOURNAL_SIZE 8192
  93 
  94 #define JOURNAL_MIN_SIZE                512
  95 #define JOURNAL_MIN_TRANS               256
  96 #define JOURNAL_MAX_TRANS               1024
  97 
  98 #define JOURNAL_DEF_RATIO               8
  99 #define JOURNAL_MIN_RATIO               2
 100 #define JOURNAL_MAX_BATCH               900
 101 #define JOURNAL_MAX_COMMIT_AGE          30 
 102 #define JOURNAL_MAX_TRANS_AGE           30
 103 
 104 #define TEA_HASH                        1
 105 #define YURA_HASH                       2
 106 #define R5_HASH                         3
 107 
 108 #endif