[linux.git] / include / linux / bsg.h

#ifndef BSG_H
#define BSG_H

#include <uapi/linux/bsg.h>


#if defined(CONFIG_BLK_DEV_BSG)
struct bsg_class_device {
	struct device *class_dev;
	struct device *parent;
	int minor;
	struct request_queue *queue;
	struct kref ref;
	void (*release)(struct device *);
};

extern int bsg_register_queue(struct request_queue *q,
			      struct device *parent, const char *name,
			      void (*release)(struct device *));
extern void bsg_unregister_queue(struct request_queue *);
#else
static inline int bsg_register_queue(struct request_queue *q,
				     struct device *parent, const char *name,
				     void (*release)(struct device *))
{
	return 0;
}
static inline void bsg_unregister_queue(struct request_queue *q)
{
}
#endif

#endif
Commit	Line	Data
3d6392cf JA	1	#ifndef BSG_H
	2	#define BSG_H
	3
607ca46e	4	#include <uapi/linux/bsg.h>
4ab3b73f	5
45977d0e	6
3d6392cf JA	7	#if defined(CONFIG_BLK_DEV_BSG)
3d6392cf JA	8	struct bsg_class_device {
ee959b00	9	struct device *class_dev;
97f46ae4	10	struct device *parent;
3d6392cf	11	int minor;
d351af01	12	struct request_queue *queue;
97f46ae4 FT	13	struct kref ref;
97f46ae4 FT	14	void (release)(struct device );
3d6392cf JA	15	};
3d6392cf JA	16
97f46ae4 FT	17	extern int bsg_register_queue(struct request_queue *q,
	18	struct device parent, const char name,
	19	void (release)(struct device ));
d351af01	20	extern void bsg_unregister_queue(struct request_queue *);
3d6392cf	21	#else
97f46ae4 FT	22	static inline int bsg_register_queue(struct request_queue *q,
	23	struct device parent, const char name,
	24	void (release)(struct device ))
a4ee0df8 JB	25	{
	26	return 0;
	27	}
97f46ae4	28	static inline void bsg_unregister_queue(struct request_queue *q)
a4ee0df8 JB	29	{
a4ee0df8 JB	30	}
3d6392cf JA	31	#endif
	32
	33	#endif