#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