#!/bin/bash
#
# Copyright (C) 2018 Western Digital Corporation or its affiliates.
#
# This file is released under the GPL.
scriptdir="$(cd "$(dirname "$0")" && pwd)"
for d in /sys/kernel/config/nullb/*; do [ -d "$d" ] && rmdir "$d"; done
modprobe -r null_blk
modprobe null_blk nr_devices=0 || return $?
for d in /sys/kernel/config/nullb/*; do
[ -d "$d" ] && rmdir "$d"
done
modprobe -r null_blk
[ -e /sys/module/null_blk ] && exit $?
modprobe null_blk nr_devices=0 &&
cd /sys/kernel/config/nullb &&
mkdir nullb0 &&
cd nullb0 &&
echo 1 > zoned &&
echo 1 > zone_size &&
echo 0 > completion_nsec &&
echo 4096 > blocksize &&
echo 1024 > size &&
echo 1 > memory_backed &&
echo 1 > power || exit $?
"${scriptdir}"/test-zbd-support "$@" /dev/nullb0