[mirror_ubuntu-zesty-kernel.git] / include / linux / cdev.h

#ifndef _LINUX_CDEV_H
#define _LINUX_CDEV_H
#ifdef __KERNEL__

#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 *);

void cd_forget(struct inode *);

extern struct backing_dev_info directly_mappable_cdev_bdi;

#endif
#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_CDEV_H
	2	#define _LINUX_CDEV_H
	3	#ifdef __KERNEL__
	4
5ec68b2e JE	5	#include <linux/kobject.h>
	6	#include <linux/kdev_t.h>
	7	#include <linux/list.h>
	8
3d8b3036 JE	9	struct file_operations;
	10	struct inode;
	11	struct module;
	12
1da177e4 LT	13	struct cdev {
	14	struct kobject kobj;
	15	struct module *owner;
99ac48f5	16	const struct file_operations *ops;
1da177e4 LT	17	struct list_head list;
	18	dev_t dev;
	19	unsigned int count;
	20	};
	21
99ac48f5	22	void cdev_init(struct cdev , const struct file_operations );
1da177e4 LT	23
	24	struct cdev *cdev_alloc(void);
	25
	26	void cdev_put(struct cdev *p);
	27
	28	int cdev_add(struct cdev *, dev_t, unsigned);
	29
	30	void cdev_del(struct cdev *);
	31
	32	void cd_forget(struct inode *);
	33
5da6185b DH	34	extern struct backing_dev_info directly_mappable_cdev_bdi;
5da6185b DH	35
1da177e4 LT	36	#endif
1da177e4 LT	37	#endif