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#ifndef _LINUX_CDEV_H
#define _LINUX_CDEV_H
#include <linux/kobject.h>
#include <linux/kdev_t.h>
#include <linux/list.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_del(struct cdev *);
int cdev_index(struct inode *inode);
void cd_forget(struct inode *);
extern struct backing_dev_info directly_mappable_cdev_bdi;
#endif
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