| /* |
| * 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 |