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#ifndef _FAT_CVF
#define _FAT_CVF
#define CVF_USE_READPAGE 0x0001
struct cvf_format
{ int cvf_version;
char* cvf_version_text;
unsigned long flags;
int (*detect_cvf) (struct super_block*sb);
int (*mount_cvf) (struct super_block*sb,char*options);
int (*unmount_cvf) (struct super_block*sb);
struct buffer_head* (*cvf_bread) (struct super_block*sb,int block);
struct buffer_head* (*cvf_getblk) (struct super_block*sb,int block);
void (*cvf_brelse) (struct super_block *sb,struct buffer_head *bh);
void (*cvf_mark_buffer_dirty) (struct super_block *sb,
struct buffer_head *bh,
int dirty_val);
void (*cvf_set_uptodate) (struct super_block *sb,
struct buffer_head *bh,
int val);
int (*cvf_is_uptodate) (struct super_block *sb,struct buffer_head *bh);
void (*cvf_ll_rw_block) (struct super_block *sb,
int opr,
int nbreq,
struct buffer_head *bh[32]);
int (*fat_access) (struct super_block *sb,int nr,int new_value);
int (*cvf_statfs) (struct super_block *sb,struct statfs *buf, int bufsiz);
int (*cvf_bmap) (struct inode *inode,int block);
int (*cvf_smap) (struct inode *inode,int sector);
ssize_t (*cvf_file_read) ( struct file *, char *, size_t, loff_t *);
ssize_t (*cvf_file_write) ( struct file *, const char *, size_t, loff_t *);
int (*cvf_mmap) (struct file *, struct vm_area_struct *);
int (*cvf_readpage) (struct inode *, struct page *);
int (*cvf_writepage) (struct inode *, struct page *);
int (*cvf_dir_ioctl) (struct inode * inode, struct file * filp,
unsigned int cmd, unsigned long arg);
void (*zero_out_cluster) (struct inode*, int clusternr);
};
int register_cvf_format(struct cvf_format*cvf_format);
int unregister_cvf_format(struct cvf_format*cvf_format);
void dec_cvf_format_use_count_by_version(int version);
int detect_cvf(struct super_block*sb,char*force);
extern struct cvf_format *cvf_formats[];
extern int cvf_format_use_count[];
#endif
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