tests/subsys/fs/fcb/boards/qemu_x86.overlay - third_party/github/zephyrproject-rtos/zephyr - Git at Google

 /*
  * Copyright (c) Nordic Semiconductor ASA
  *
  *SPDX-License-Identifier: Apache-2.0
  */

 &flash_sim0 {
 	write-block-size = <1>;
 };
	/*
	* Copyright (c) Nordic Semiconductor ASA
	*
	*SPDX-License-Identifier: Apache-2.0
	*/

	&flash_sim0 {
	write-block-size = <1>;
	};