/* * The minix filesystem constants/structures */ #ifndef _MINIX_FS_H #define _MINIX_FS_H #include <sys/types.h> #define MINIX_NAME_LEN 14 #define MINIX_ROOT_INO 1 #define MINIX_I_MAP_SLOTS 8 #define MINIX_Z_MAP_SLOTS 8 #define MINIX_SUPER_MAGIC 0x137F #define MINIX_INODES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix_inode))) #define MINIX_DIR_ENTRIES_PER_BLOCK ((BLOCK_SIZE)/(sizeof (struct minix_dir_entry))) 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]; }; 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; }; struct minix_dir_entry { unsigned short inode; char name[MINIX_NAME_LEN]; }; extern int minix_open(struct inode * inode, struct file * filp); extern void minix_release(struct inode * inode, struct file * filp); 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(int dev); extern void minix_free_inode(struct inode * inode); extern unsigned long minix_count_free_inodes(struct super_block *sb); extern int minix_new_block(int dev); extern int minix_free_block(int dev, int block); extern unsigned long minix_count_free_blocks(struct super_block *sb); extern int minix_create_block(struct inode *, int); extern int minix_bmap(struct inode *,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 *); 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_lseek(struct inode *, struct file *, off_t, int); extern int minix_read(struct inode *, struct file *, char *, int); extern int minix_write(struct inode *, struct file *, char *, int); extern int minix_file_read(struct inode *, struct file *, char *, int); extern struct inode_operations minix_file_inode_operations; extern struct inode_operations minix_dir_inode_operations; extern struct inode_operations minix_symlink_inode_operations; extern struct inode_operations minix_chrdev_inode_operations; extern struct inode_operations minix_blkdev_inode_operations; extern struct inode_operations minix_fifo_inode_operations; extern struct file_operations minix_file_operations; extern struct file_operations minix_dir_operations; #endif