zbd/091: Test F2FS REQ_FUA support for zoned block devices

tests/zbd/091

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+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0+
+# Copyright (C) 2022 Google LLC
+
+. tests/zbd/rc
+. common/null_blk
+. common/scsi_debug
+
+DESCRIPTION="test F2FS REQ_FUA support for zoned block devices"
+QUICK=1
+
+requires() {
+	_have_fio
+	_have_driver f2fs
+	_have_module null_blk
+	_have_program mkfs.f2fs
+}
+
+test() {
+	echo "Running ${TEST_NAME}"
+
+	local mount_dir="$TMPDIR/mnt"
+
+	_init_null_blk nr_devices=0 queue_mode=2 &&
+	local null_blk_params=(
+		blocksize=4096
+		completion_nsec=0
+		memory_backed=1
+		size=1024 # MB
+		submit_queues=1
+		power=1
+	) &&
+	_configure_null_blk nullb0 "${null_blk_params[@]}" &&
+	local cdev=/dev/nullb0 &&
+	local null_blk_params=(
+		blocksize=4096
+		completion_nsec=0
+		memory_backed=1
+		size=1024 # MB
+		submit_queues=1
+		zoned=1
+		zone_size=4 # MB
+		power=1
+	) &&
+	_configure_null_blk nullb1 "${null_blk_params[@]}" &&
+	echo mq-deadline >/sys/class/block/nullb1/queue/scheduler &&
+	local zdev=/dev/nullb1 &&
+	ls -ld "${cdev}" "${zdev}" >>"${FULL}" 2>&1 &&
+	mkfs.f2fs -m "${cdev}" -c "${zdev}" >>"${FULL}" 2>&1 &&
+	mkdir -p "${mount_dir}" &&
+	mount -t f2fs "${cdev}" "${mount_dir}" &&
+	{ echo 0x3f > "/sys/fs/f2fs/${cdev#/dev/}/data_io_flag"; } >> "${FULL}" 2>&1 && # REQ_META | REQ_FUA
+	grep -aH . "/sys/fs/f2fs/${cdev#/dev/}/data_io_flag" >>"${FULL}" 2>&1 &&
+	local fio_args=(
+		--directory="${mount_dir}"
+		--group_reporting=1
+		--gtod_reduce=1
+		--ioengine=io_uring
+		--norandommap
+		--name=f2fs-fua
+		--numjob=4
+		--runtime=30
+		--rw=randwrite
+		--size=4M
+		--thread
+		--time_based
+	) &&
+	_run_fio "${fio_args[@]}" >>"${FULL}" 2>&1 ||
+	fail=true
+
+	umount "${mount_dir}" >>"${FULL}" 2>&1
+	_exit_scsi_debug
+	_exit_null_blk
+
+	if [ -z "$fail" ]; then
+		echo "Test complete"
+	else
+		echo "Test failed"
+		return 1
+	fi
+}

tests/zbd/091.out

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+Running zbd/091
+Test complete