static int io_sq_thread_acquire_mm(struct io_ring_ctx *ctx,
				   struct io_kiocb *req)
{
	if (!io_op_defs[req->opcode].needs_mm)
		return 0;
	return __io_sq_thread_acquire_mm(ctx);
}
static int io_sq_thread_acquire_mm(struct io_ring_ctx *ctx,
				   struct io_kiocb *req)
{
	if (!io_op_defs[req->opcode].needs_mm)
		return 0;
	return __io_sq_thread_acquire_mm(ctx);
}