static bool io_queue_file_removal(struct fixed_file_data *data,
				  struct file *file)
{
	struct io_file_put *pfile, pfile_stack;
	DECLARE_COMPLETION_ONSTACK(done);

	/*
	 * If we fail allocating the struct we need for doing async reomval
	 * of this file, just punt to sync and wait for it.
	 */
	pfile = kzalloc(sizeof(*pfile), GFP_KERNEL);
	if (!pfile) {
		pfile = &pfile_stack;
		pfile->done = &done;
	}

	pfile->file = file;
	llist_add(&pfile->llist, &data->put_llist);

	if (pfile == &pfile_stack) {
		if (!test_and_set_bit(FFD_F_ATOMIC, &data->state)) {
			percpu_ref_put(&data->refs);
			percpu_ref_switch_to_atomic(&data->refs,
							io_atomic_switch);
		}
		wait_for_completion(&done);
		flush_work(&data->ref_work);
		return false;
	}

	return true;
}
static bool io_queue_file_removal(struct fixed_file_data *data,
				  struct file *file)
{
	struct io_file_put *pfile, pfile_stack;
	DECLARE_COMPLETION_ONSTACK(done);

	 
	pfile = kzalloc(sizeof(*pfile), GFP_KERNEL);
	if (!pfile) {
		pfile = &pfile_stack;
		pfile->done = &done;
	}

	pfile->file = file;
	llist_add(&pfile->llist, &data->put_llist);

	if (pfile == &pfile_stack) {
		if (!test_and_set_bit(FFD_F_ATOMIC, &data->state)) {
			percpu_ref_put(&data->refs);
			percpu_ref_switch_to_atomic(&data->refs,
							io_atomic_switch);
		}
		wait_for_completion(&done);
		flush_work(&data->ref_work);
		return false;
	}

	return true;
}