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
|
#ifndef _MSDOS_FS_SB
#define _MSDOS_FS_SB
#include<linux/fat_cvf.h>
/*
* MS-DOS file system in-core superblock data
*/
struct fat_mount_options {
uid_t fs_uid;
gid_t fs_gid;
unsigned short fs_umask;
unsigned short codepage; /* Codepage for shortname conversions */
char *iocharset; /* Charset used for filename input/display */
unsigned char name_check; /* r = relaxed, n = normal, s = strict */
unsigned char conversion; /* b = binary, t = text, a = auto */
unsigned quiet:1, /* set = fake successful chmods and chowns */
showexec:1, /* set = only set x bit for com/exe/bat */
sys_immutable:1, /* set = system files are immutable */
dotsOK:1, /* set = hidden and system files are named '.filename' */
isvfat:1, /* 0=no vfat long filename support, 1=vfat support */
utf8:1, /* Use of UTF8 character set (Default) */
unicode_xlate:1, /* create escape sequences for unhandled Unicode */
posixfs:1, /* Allow names like makefile and Makefile to coexist */
numtail:1, /* Does first alias have a numeric '~1' type tail? */
atari:1, /* Use Atari GEMDOS variation of MS-DOS fs */
fat32:1, /* Is this a FAT32 partition? */
nocase:1; /* Does this need case conversion? 0=need case conversion*/
};
struct vfat_unicode {
unsigned char uni1;
unsigned char uni2;
};
struct msdos_sb_info {
unsigned short cluster_size; /* sectors/cluster */
unsigned short cluster_bits; /* sectors/cluster */
unsigned char fats,fat_bits; /* number of FATs, FAT bits (12 or 16) */
unsigned short fat_start;
unsigned long fat_length; /* FAT start & length (sec.) */
unsigned long dir_start;
unsigned short dir_entries; /* root dir start & entries */
unsigned long data_start; /* first data sector */
unsigned long clusters; /* number of clusters */
unsigned long root_cluster; /* first cluster of the root directory */
unsigned long fsinfo_offset; /* FAT32 fsinfo offset from start of disk */
wait_queue_head_t fat_wait;
struct semaphore fat_lock;
int prev_free; /* previously returned free cluster number */
int free_clusters; /* -1 if undefined */
struct fat_mount_options options;
struct nls_table *nls_disk; /* Codepage used on disk */
struct nls_table *nls_io; /* Charset used for input and display */
struct cvf_format* cvf_format;
void *dir_ops; /* Opaque; default directory operations */
void *private_data;
};
#endif
|
