1#ifndef _LINUX_CDEV_H 2#define _LINUX_CDEV_H 3#ifdef __KERNEL__ 4 5#include <linux/kobject.h> 6#include <linux/kdev_t.h> 7#include <linux/list.h> 8 9struct cdev { 10 struct kobject kobj; 11 struct module *owner; 12 const struct file_operations *ops; 13 struct list_head list; 14 dev_t dev; 15 unsigned int count; 16}; 17 18void cdev_init(struct cdev *, const struct file_operations *); 19 20struct cdev *cdev_alloc(void); 21 22void cdev_put(struct cdev *p); 23 24int cdev_add(struct cdev *, dev_t, unsigned); 25 26void cdev_del(struct cdev *); 27 28void cd_forget(struct inode *); 29 30extern struct backing_dev_info directly_mappable_cdev_bdi; 31 32#endif 33#endif