reiserfs.h

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/*
    libparted - a library for manipulating disk partitions
    Copyright (C) 2000, 2007, 2009-2014, 2019-2023 Free Software Foundation,
    Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#ifndef REISERFS_H
#define REISERFS_H
 
#define REISERFS_API_VERSION 0
 
#define REISERFS_SIGNATURE "ReIsErFs"
#define REISER2FS_SIGNATURE "ReIsEr2Fs"
#define REISER3FS_SIGNATURE "ReIsEr3Fs"
 
#define DEFAULT_BLOCK_SIZE 4096
 
struct reiserfs_super_block {
    uint32_t s_block_count;
    uint32_t s_free_blocks;
    uint32_t s_root_block;
    uint32_t s_journal_block;
    uint32_t s_journal_dev;
    uint32_t s_orig_journal_size;
    uint32_t s_journal_trans_max;
    uint32_t s_journal_block_count;
    uint32_t s_journal_max_batch;
    uint32_t s_journal_max_commit_age;
    uint32_t s_journal_max_trans_age;
    uint16_t s_blocksize;
    uint16_t s_oid_maxsize;
    uint16_t s_oid_cursize;
    uint16_t s_state;
    char s_magic[10];
    uint16_t s_fsck_state;
    uint32_t s_hash_function_code;
    uint16_t s_tree_height;
    uint16_t s_bmap_nr;
    uint16_t s_version;
    char padding[438];
};
 
typedef struct reiserfs_super_block reiserfs_super_block_t;
 
enum reiserfs_exception_type {
    EXCEPTION_INFORMATION       = 1,
    EXCEPTION_WARNING           = 2,
    EXCEPTION_ERROR             = 3,
    EXCEPTION_FATAL             = 4,
    EXCEPTION_BUG               = 5,
    EXCEPTION_NO_FEATURE        = 6
};
 
typedef enum reiserfs_exception_type reiserfs_exception_type_t;
 
enum reiserfs_exception_option {
    EXCEPTION_UNHANDLED         = 1 << 0,
    EXCEPTION_FIX               = 1 << 1,
    EXCEPTION_YES               = 1 << 2,
    EXCEPTION_NO                = 1 << 3,
    EXCEPTION_OK                = 1 << 4,
    EXCEPTION_RETRY             = 1 << 5,
    EXCEPTION_IGNORE            = 1 << 6,
    EXCEPTION_CANCEL            = 1 << 7
};
 
typedef enum reiserfs_exception_option reiserfs_exception_option_t;
 
typedef void (reiserfs_gauge_handler_t)(const char *, unsigned int, void *, int, int, int);
 
typedef void * reiserfs_exception_t;
typedef void * reiserfs_gauge_t;
typedef void * reiserfs_fs_t;
 
#define FS_FORMAT_3_5                   0
#define FS_FORMAT_3_6                   2
 
#define SUPER_OFFSET_IN_BYTES           64*1024
 
#define DEFAULT_JOURNAL_SIZE 8192
 
#define JOURNAL_MIN_SIZE                512
#define JOURNAL_MIN_TRANS               256
#define JOURNAL_MAX_TRANS               1024
 
#define JOURNAL_DEF_RATIO               8
#define JOURNAL_MIN_RATIO               2
#define JOURNAL_MAX_BATCH               900
#define JOURNAL_MAX_COMMIT_AGE          30
#define JOURNAL_MAX_TRANS_AGE           30
 
#define TEA_HASH                        1
#define YURA_HASH                       2
#define R5_HASH                         3
 
#endif