bsg_kref_release_function  748 block/bsg.c    	kref_put(&q->bsg_dev.ref, bsg_kref_release_function);
bsg_kref_release_function  831 block/bsg.c    		kref_put(&bcd->ref, bsg_kref_release_function);
bsg_kref_release_function  975 block/bsg.c    	kref_put(&bcd->ref, bsg_kref_release_function);