Edit File: cdev.h
#ifndef _LINUX_CDEV_H #define _LINUX_CDEV_H #include <linux/kobject.h> #include <linux/kdev_t.h> #include <linux/list.h> #include <linux/device.h> struct file_operations; struct inode; struct module; struct cdev { struct kobject kobj; struct module *owner; const struct file_operations *ops; struct list_head list; dev_t dev; unsigned int count; }; void cdev_init(struct cdev *, const struct file_operations *); struct cdev *cdev_alloc(void); void cdev_put(struct cdev *p); int cdev_add(struct cdev *, dev_t, unsigned); void cdev_set_parent(struct cdev *p, struct kobject *kobj); int cdev_device_add(struct cdev *cdev, struct device *dev); void cdev_device_del(struct cdev *cdev, struct device *dev); void cdev_del(struct cdev *); void cd_forget(struct inode *); extern struct backing_dev_info directly_mappable_cdev_bdi; #endif