[net-next-2.6.git] / include / linux / cdev.h

#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
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_CDEV_H
1da177e4 LT	2	#define _LINUX_CDEV_H
1da177e4	3
5ec68b2e JE	4	#include <linux/kobject.h>
	5	#include <linux/kdev_t.h>
	6	#include <linux/list.h>
	7
3d8b3036 JE	8	struct file_operations;
	9	struct inode;
	10	struct module;
	11
1da177e4 LT	12	struct cdev {
	13	struct kobject kobj;
	14	struct module *owner;
99ac48f5	15	const struct file_operations *ops;
1da177e4 LT	16	struct list_head list;
	17	dev_t dev;
	18	unsigned int count;
	19	};
	20
99ac48f5	21	void cdev_init(struct cdev , const struct file_operations );
1da177e4 LT	22
	23	struct cdev *cdev_alloc(void);
	24
	25	void cdev_put(struct cdev *p);
	26
	27	int cdev_add(struct cdev *, dev_t, unsigned);
	28
	29	void cdev_del(struct cdev *);
	30
9fd5746f TT	31	int cdev_index(struct inode *inode);
9fd5746f TT	32
1da177e4 LT	33	void cd_forget(struct inode *);
1da177e4 LT	34
5da6185b DH	35	extern struct backing_dev_info directly_mappable_cdev_bdi;
5da6185b DH	36
1da177e4	37	#endif