rbd: remove now unused rbd_obj_request_wait() and helpers

	ceph_osdc_start_request(osd_req->r_osdc, osd_req, false);

}

static void rbd_obj_request_end(struct rbd_obj_request *obj_request)

{

	dout("%s %p\n", __func__, obj_request);

	ceph_osdc_cancel_request(obj_request->osd_req);

}

/*

 * Wait for an object request to complete.  If interrupted, cancel the

 * underlying osd request.

 *

 * @timeout: in jiffies, 0 means "wait forever"

 */

static int __rbd_obj_request_wait(struct rbd_obj_request *obj_request,

				  unsigned long timeout)

{

	long ret;

	dout("%s %p\n", __func__, obj_request);

	ret = wait_for_completion_interruptible_timeout(

					&obj_request->completion,

					ceph_timeout_jiffies(timeout));

	if (ret <= 0) {

		if (ret == 0)

			ret = -ETIMEDOUT;

		rbd_obj_request_end(obj_request);

	} else {

		ret = 0;

	}

	dout("%s %p ret %d\n", __func__, obj_request, (int)ret);

	return ret;

}

static int rbd_obj_request_wait(struct rbd_obj_request *obj_request)

{

	return __rbd_obj_request_wait(obj_request, 0);

}

static void rbd_img_request_complete(struct rbd_img_request *img_request)

{