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1275 |
phoenix |
#ifndef _MSDOS_FS_SB
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#define _MSDOS_FS_SB
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#include<linux/fat_cvf.h>
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/*
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* MS-DOS file system in-core superblock data
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*/
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struct fat_mount_options {
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uid_t fs_uid;
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gid_t fs_gid;
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unsigned short fs_umask;
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unsigned short codepage; /* Codepage for shortname conversions */
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char *iocharset; /* Charset used for filename input/display */
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unsigned short shortname; /* flags for shortname display/create rule */
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unsigned char name_check; /* r = relaxed, n = normal, s = strict */
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unsigned char conversion; /* b = binary, t = text, a = auto */
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unsigned quiet:1, /* set = fake successful chmods and chowns */
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showexec:1, /* set = only set x bit for com/exe/bat */
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sys_immutable:1, /* set = system files are immutable */
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dotsOK:1, /* set = hidden and system files are named '.filename' */
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isvfat:1, /* 0=no vfat long filename support, 1=vfat support */
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utf8:1, /* Use of UTF8 character set (Default) */
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unicode_xlate:1, /* create escape sequences for unhandled Unicode */
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posixfs:1, /* Allow names like makefile and Makefile to coexist */
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numtail:1, /* Does first alias have a numeric '~1' type tail? */
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atari:1, /* Use Atari GEMDOS variation of MS-DOS fs */
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fat32:1, /* Is this a FAT32 partition? */
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nocase:1; /* Does this need case conversion? 0=need case conversion*/
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};
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struct msdos_sb_info {
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unsigned short cluster_size; /* sectors/cluster */
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unsigned short cluster_bits; /* sectors/cluster */
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unsigned char fats,fat_bits; /* number of FATs, FAT bits (12 or 16) */
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unsigned short fat_start;
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unsigned long fat_length; /* FAT start & length (sec.) */
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unsigned long dir_start;
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unsigned short dir_entries; /* root dir start & entries */
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unsigned long data_start; /* first data sector */
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unsigned long clusters; /* number of clusters */
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unsigned long root_cluster; /* first cluster of the root directory */
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unsigned long fsinfo_sector; /* FAT32 fsinfo offset from start of disk */
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struct semaphore fat_lock;
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int prev_free; /* previously returned free cluster number */
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int free_clusters; /* -1 if undefined */
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struct fat_mount_options options;
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struct nls_table *nls_disk; /* Codepage used on disk */
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struct nls_table *nls_io; /* Charset used for input and display */
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struct cvf_format* cvf_format;
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void *dir_ops; /* Opaque; default directory operations */
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void *private_data;
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int dir_per_block; /* dir entries per block */
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int dir_per_block_bits; /* log2(dir_per_block) */
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};
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#endif
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