ReactOS 0.4.15-dev-5672-gf73ac17
reiserfs.h
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1/*
2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS File System Recognizer
4 * FILE: drivers/filesystems/fs_rec/btrfs.h
5 * PURPOSE: BTRFS Header File
6 * PROGRAMMER: Peter Hater
7 * Pierre Schweitzer (pierre@reactos.org)
8 */
9
10#include <pshpack1.h>
12 // Block number of the block containing the first journal node.
13 UINT32 jp_journal_1st_block; /* where does journal start from on its device */
14
15 // Journal device number (?? for if the journal is on a separate drive ??)
16 UINT32 jp_journal_dev; /* journal device st_rdev */
17
18 // Original journal size. (Needed when using partition on systems w/ different default journal sizes).
19 UINT32 jp_journal_size; /* size of the journal */
20
21 UINT32 jp_journal_trans_max; /* max number of blocks in a transaction. */
22 UINT32 jp_journal_magic; /* random value made on fs creation (this was sb_journal_block_count) */
23 UINT32 jp_journal_max_batch; /* max number of blocks to batch into a trans */
24 UINT32 jp_journal_max_commit_age; /* in seconds, how old can an async commit be */
25 UINT32 jp_journal_max_trans_age; /* in seconds, how old can a transaction be */
26};
27
28typedef struct _RFSD_SUPER_BLOCK
29{
30 // The number of blocks in the partition
31 UINT32 s_blocks_count; /* blocks count */ //[mark] was _s_blocks_count
32
33 // The number of free blocks in the partition
34 UINT32 s_free_blocks_count; /* free blocks count */ //[mark] was _s_free_blocks
35
36 // Block number of the block containing the root node
37 UINT32 s_root_block; /* root block number */
38
40
41 // The size (in bytes) of a block
42 UINT16 s_blocksize; /* block size */
43
44 UINT16 s_oid_maxsize; /* max size of object id array, see get_objectid() commentary */
45 UINT16 s_oid_cursize; /* current size of object id array */
46 UINT16 s_umount_state; /* this is set to 1 when filesystem was umounted, to 2 - when not */
47 char s_magic[10]; /* reiserfs magic string indicates that
48 * file system is reiserfs:
49 * "ReIsErFs" or "ReIsEr2Fs" or "ReIsEr3Fs" */
50
51 // State of the partition: valid(1), error (2)
52 UINT16 s_fs_state; /* it is set to used by fsck to mark which phase of rebuilding is done */
53
54 UINT32 s_hash_function_code; /* indicate, what hash function is being use
55 * to sort names in a directory*/
56 UINT16 s_tree_height; /* height of disk tree */
57 UINT16 s_bmap_nr; /* amount of bitmap blocks needed to address
58 * each block of file system */
59
60 // The reiserfs version number
61 UINT16 s_version; /* this field is only reliable on filesystem
62 * with non-standard journal */
63 UINT16 s_reserved_for_journal; /* size in blocks of journal area on main
64 * device, we need to keep after
65 * making fs with non-standard journal */
67#include <poppack.h>
68
71
72#define REISERFS_DISK_OFFSET_IN_BYTES (64 * 1024)
73#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"
74#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
75#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
76#define MAGIC_KEY_LENGTH 9
unsigned short UINT16
unsigned int UINT32
#define C_ASSERT(e)
Definition: intsafe.h:73
struct _RFSD_SUPER_BLOCK RFSD_SUPER_BLOCK
struct _RFSD_SUPER_BLOCK * PRFSD_SUPER_BLOCK
UINT16 s_reserved_for_journal
Definition: reiserfs.h:63
UINT16 s_blocksize
Definition: reiserfs.h:42
struct journal_params s_journal
Definition: reiserfs.h:39
UINT32 s_root_block
Definition: reiserfs.h:37
UINT16 s_fs_state
Definition: reiserfs.h:52
UINT32 s_hash_function_code
Definition: reiserfs.h:54
UINT16 s_tree_height
Definition: reiserfs.h:56
UINT16 s_version
Definition: reiserfs.h:61
UINT16 s_umount_state
Definition: reiserfs.h:46
UINT32 s_blocks_count
Definition: reiserfs.h:31
UINT16 s_bmap_nr
Definition: reiserfs.h:57
UINT16 s_oid_cursize
Definition: reiserfs.h:45
UINT16 s_oid_maxsize
Definition: reiserfs.h:44
char s_magic[10]
Definition: reiserfs.h:47
UINT32 s_free_blocks_count
Definition: reiserfs.h:34
UINT32 jp_journal_1st_block
Definition: reiserfs.h:13
UINT32 jp_journal_max_batch
Definition: reiserfs.h:23
UINT32 jp_journal_max_trans_age
Definition: reiserfs.h:25
UINT32 jp_journal_dev
Definition: reiserfs.h:16
UINT32 jp_journal_magic
Definition: reiserfs.h:22
UINT32 jp_journal_max_commit_age
Definition: reiserfs.h:24
UINT32 jp_journal_trans_max
Definition: reiserfs.h:21
UINT32 jp_journal_size
Definition: reiserfs.h:19
#define FIELD_OFFSET(t, f)
Definition: typedefs.h:255