#ifndef _LINUX_MINIX_FS_H#define _LINUX_MINIX_FS_H/* * The minix filesystem constants/structures *//* * Thanks to Kees J Bot for sending me the definitions of the new * minix filesystem (aka V2) with bigger inodes and 32-bit block * pointers. It's not actually implemented yet, but I'll look into * it. */#define MINIX_ROOT_INO 1/* Not the same as the bogus LINK_MAX in <linux/limits.h>. Oh well. */#define MINIX_LINK_MAX	250#define MINIX_I_MAP_SLOTS	8#define MINIX_Z_MAP_SLOTS	8#define MINIX_SUPER_MAGIC	0x137F		/* original minix fs */#define MINIX_SUPER_MAGIC2	0x138F		/* minix fs, 30 char names */#define NEW_MINIX_SUPER_MAGIC	0x2468		/* minix V2 - not implemented */#define MINIX_VALID_FS		0x0001		/* Clean fs. */#define MINIX_ERROR_FS		0x0002		/* fs has errors. */#define MINIX_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix_inode)))struct minix_inode {	unsigned short i_mode;	unsigned short i_uid;	unsigned long i_size;	unsigned long i_time;	unsigned char i_gid;	unsigned char i_nlinks;	unsigned short i_zone[9];};/* * The new minix inode has all the time entries, as well as * long block numbers and a third indirect block (7+1+1+1 * instead of 7+1+1). Also, some previously 8-bit values are * now 16-bit. The inode is now 64 bytes instead of 32. */struct new_minix_inode {	unsigned short i_mode;	unsigned short i_nlinks;	unsigned short i_uid;	unsigned short i_gid;	unsigned long i_size;	unsigned long i_atime;	unsigned long i_mtime;	unsigned long i_ctime;	unsigned long i_zone[10];};/* * minix super-block data on disk */struct minix_super_block {	unsigned short s_ninodes;	unsigned short s_nzones;	unsigned short s_imap_blocks;	unsigned short s_zmap_blocks;	unsigned short s_firstdatazone;	unsigned short s_log_zone_size;	unsigned long s_max_size;	unsigned short s_magic;	unsigned short s_state;};struct minix_dir_entry {	unsigned short inode;	char name[0];};extern int minix_lookup(struct inode * dir,const char * name, int len,	struct inode ** result);extern int minix_create(struct inode * dir,const char * name, int len, int mode,	struct inode ** result);extern int minix_mkdir(struct inode * dir, const char * name, int len, int mode);extern int minix_rmdir(struct inode * dir, const char * name, int len);extern int minix_unlink(struct inode * dir, const char * name, int len);extern int minix_symlink(struct inode * inode, const char * name, int len,	const char * symname);extern int minix_link(struct inode * oldinode, struct inode * dir, const char * name, int len);extern int minix_mknod(struct inode * dir, const char * name, int len, int mode, int rdev);extern int minix_rename(struct inode * old_dir, const char * old_name, int old_len,	struct inode * new_dir, const char * new_name, int new_len);extern struct inode * minix_new_inode(const struct inode * dir);extern void minix_free_inode(struct inode * inode);extern unsigned long minix_count_free_inodes(struct super_block *sb);extern int minix_new_block(struct super_block * sb);extern void minix_free_block(struct super_block * sb, int block);extern unsigned long minix_count_free_blocks(struct super_block *sb);extern int minix_bmap(struct inode *,int);extern struct buffer_head * minix_getblk(struct inode *, int, int);extern struct buffer_head * minix_bread(struct inode *, int, int);extern void minix_truncate(struct inode *);extern void minix_put_super(struct super_block *);extern struct super_block *minix_read_super(struct super_block *,void *,int);extern void minix_write_super(struct super_block *);extern int minix_remount (struct super_block * sb, int * flags, char * data);extern void minix_read_inode(struct inode *);extern void minix_write_inode(struct inode *);extern void minix_put_inode(struct inode *);extern void minix_statfs(struct super_block *, struct statfs *);extern int minix_sync_inode(struct inode *);extern int minix_sync_file(struct inode *, struct file *);extern struct inode_operations minix_file_inode_operations;extern struct inode_operations minix_dir_inode_operations;extern struct inode_operations minix_symlink_inode_operations;#endif