bsg.h

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#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