LXR linux/include/linux/bsg.h

   1#ifndef BSG_H
   2#define BSG_H
   3
   4#include <uapi/linux/bsg.h>
   5
   6
   7#if defined(CONFIG_BLK_DEV_BSG)
   8struct bsg_class_device {
   9        struct device *class_dev;
  10        struct device *parent;
  11        int minor;
  12        struct request_queue *queue;
  13        struct kref ref;
  14        void (*release)(struct device *);
  15};
  16
  17extern int bsg_register_queue(struct request_queue *q,
  18                              struct device *parent, const char *name,
  19                              void (*release)(struct device *));
  20extern void bsg_unregister_queue(struct request_queue *);
  21#else
  22static inline int bsg_register_queue(struct request_queue *q,
  23                                     struct device *parent, const char *name,
  24                                     void (*release)(struct device *))
  25{
  26        return 0;
  27}
  28static inline void bsg_unregister_queue(struct request_queue *q)
  29{
  30}
  31#endif
  32
  33#endif
  34