struct file_operations { int (*lseek) (struct inode *, struct file *, off_t, int); int (*read) (struct inode *, struct file *, char *, int); int (*write) (struct inode *, struct file *, const char *, int); int (*readdir) (struct inode *, struct file *, void *, filldir_t); int (*select) (struct inode *, struct file *, int, select_table *); int (*ioctl) (struct inode *, struct file *, unsigned int, unsigned long); int (*mmap) (struct inode *, struct file *, struct vm_area_struct *); int (*open) (struct inode *, struct file *); void (*release) (struct inode *, struct file *); int (*fsync) (struct inode *, struct file *); int (*fasync) (struct inode *, struct file *, int); int (*check_media_change) (kdev_t dev); int (*revalidate) (kdev_t dev); };