include/linux/msdos_fs_sb.h

   1 #ifndef _MSDOS_FS_SB
   2 #define _MSDOS_FS_SB
   3 #include<linux/fat_cvf.h>
   4
   5 /*
   6  * MS-DOS file system in-core superblock data
   7  */
   8
   9 struct fat_mount_options {
  10         uid_t fs_uid;
  11         gid_t fs_gid;
  12         unsigned short fs_umask;
  13         unsigned short codepage;  /* Codepage for shortname conversions */
  14         char *iocharset;          /* Charset used for filename input/display */
  15         unsigned char name_check; /* r = relaxed, n = normal, s = strict */
  16         unsigned char conversion; /* b = binary, t = text, a = auto */
  17         unsigned quiet:1,         /* set = fake successful chmods and chowns */
  18                  showexec:1,      /* set = only set x bit for com/exe/bat */
  19                  sys_immutable:1, /* set = system files are immutable */
  20                  dotsOK:1,        /* set = hidden and system files are named '.filename' */
  21                  isvfat:1,        /* 0=no vfat long filename support, 1=vfat support */
  22                  utf8:1,          /* Use of UTF8 character set (Default) */
  23                  unicode_xlate:1, /* create escape sequences for unhandled Unicode */
  24                  posixfs:1,       /* Allow names like makefile and Makefile to coexist */
  25                  numtail:1,       /* Does first alias have a numeric '~1' type tail? */
  26                  atari:1,         /* Use Atari GEMDOS variation of MS-DOS fs */
  27                  fat32:1;         /* Is this a FAT32 partition? */
  28 };
  29
  30 struct vfat_unicode {
  31         unsigned char uni1;
  32         unsigned char uni2;
  33 };
  34
  35 struct msdos_sb_info {
  36         unsigned short cluster_size; /* sectors/cluster */
  37         unsigned char fats,fat_bits; /* number of FATs, FAT bits (12 or 16) */
  38         unsigned short fat_start;
  39         unsigned long fat_length;    /* FAT start & length (sec.) */
  40         unsigned long dir_start;
  41         unsigned short dir_entries;  /* root dir start & entries */
  42         unsigned long data_start;    /* first data sector */
  43         unsigned long clusters;      /* number of clusters */
  44         unsigned long root_cluster;  /* first cluster of the root directory */
  45         unsigned long fsinfo_offset; /* FAT32 fsinfo offset from start of disk */
  46         wait_queue_head_t fat_wait;
  47         struct semaphore fat_lock;
  48         int prev_free;               /* previously returned free cluster number */
  49         int free_clusters;           /* -1 if undefined */
  50         struct fat_mount_options options;
  51         struct nls_table *nls_disk;  /* Codepage used on disk */
  52         struct nls_table *nls_io;    /* Charset used for input and display */
  53         struct cvf_format* cvf_format;
  54         void *dir_ops;               /* Opaque; default directory operations */
  55         void (*put_super_callback)(struct super_block *);
  56         void *private_data;
  57 };
  58
  59 #endif