1 files changed, 33 insertions, 0 deletions
diff --git a/kernel/include/linux/bsg.h b/kernel/include/linux/bsg.h
new file mode 100644
index 000000000..7173f6e9d
--- /dev/null
+++ b/kernel/include/linux/bsg.h
@@ -0,0 +1,33 @@
+#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