1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* Compatibility header file for e2fsck which should be included
* instead of linux/jfs.h
*
* Copyright (C) 2000 Stephen C. Tweedie
*
* This file may be redistributed under the terms of the
* GNU General Public License version 2 or at your discretion
* any later version.
*/
/*
* Pull in the definition of the e2fsck context structure
*/
#include "e2fsck.h"
struct buffer_head {
e2fsck_t b_ctx;
io_channel b_io;
int b_size;
blk_t b_blocknr;
int b_dirty;
int b_uptodate;
int b_err;
char b_data[1024];
};
struct inode {
e2fsck_t i_ctx;
ext2_ino_t i_ino;
struct ext2_inode i_ext2;
};
struct kdev_s {
e2fsck_t k_ctx;
int k_dev;
};
#define K_DEV_FS 1
#define K_DEV_JOURNAL 2
typedef struct kdev_s *kdev_t;
#define lock_buffer(bh) do {} while(0)
#define unlock_buffer(bh) do {} while(0)
#define buffer_req(bh) 1
#define do_readahead(journal, start) do {} while(0)
extern e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */
typedef struct {
int object_length;
} lkmem_cache_t;
#define kmem_cache_alloc(cache,flags) malloc((cache)->object_length)
#define kmem_cache_free(cache,obj) free(obj)
#define kmem_cache_create(name,len,a,b,c,d) do_cache_create(len)
#define kmem_cache_destroy(cache) do_cache_destroy(cache)
#define kmalloc(len,flags) malloc(len)
#define kfree(p) free(p)
#define cond_resched() do { } while (0)
typedef unsigned int __be32;
#define __init
/*
* Now pull in the real linux/jfs.h definitions.
*/
#include <ext2fs/kernel-jbd.h>
/*
* We use the standard libext2fs portability tricks for inline
* functions.
*/
extern lkmem_cache_t * do_cache_create(int len);
extern void do_cache_destroy(lkmem_cache_t *cache);
extern size_t journal_tag_bytes(journal_t *journal);
#if (defined(E2FSCK_INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS))
#ifdef E2FSCK_INCLUDE_INLINE_FUNCS
#define _INLINE_ extern
#else
#ifdef __GNUC__
#define _INLINE_ extern __inline__
#else /* For Watcom C */
#define _INLINE_ extern inline
#endif
#endif
_INLINE_ lkmem_cache_t * do_cache_create(int len)
{
lkmem_cache_t *new_cache;
new_cache = malloc(sizeof(*new_cache));
if (new_cache)
new_cache->object_length = len;
return new_cache;
}
_INLINE_ void do_cache_destroy(lkmem_cache_t *cache)
{
free(cache);
}
/*
* helper functions to deal with 32 or 64bit block numbers.
*/
_INLINE_ size_t journal_tag_bytes(journal_t *journal)
{
if (JFS_HAS_INCOMPAT_FEATURE(journal, JFS_FEATURE_INCOMPAT_64BIT))
return JBD_TAG_SIZE64;
else
return JBD_TAG_SIZE32;
}
#undef _INLINE_
#endif
/*
* Kernel compatibility functions are defined in journal.c
*/
int journal_bmap(journal_t *journal, blk_t block, unsigned long *phys);
struct buffer_head *getblk(kdev_t ctx, blk_t blocknr, int blocksize);
void sync_blockdev(kdev_t kdev);
void ll_rw_block(int rw, int dummy, struct buffer_head *bh[]);
void mark_buffer_dirty(struct buffer_head *bh);
void mark_buffer_uptodate(struct buffer_head *bh, int val);
void brelse(struct buffer_head *bh);
int buffer_uptodate(struct buffer_head *bh);
void wait_on_buffer(struct buffer_head *bh);
/*
* Define newer 2.5 interfaces
*/
#define __getblk(dev, blocknr, blocksize) getblk(dev, blocknr, blocksize)
#define set_buffer_uptodate(bh) mark_buffer_uptodate(bh, 1)
|
