#!/bin/bash

require-lib ./test-libs.sh

require-kernel-config MD
require-kernel-config BLK_DEV_MD
require-kernel-config MD_LINEAR
require-kernel-config MD_RAID0
require-kernel-config MD_RAID1
require-kernel-config MD_RAID10
require-kernel-config MD_RAID456
require-kernel-config MD_MULTIPATH

config-scratch-devs 4G
config-scratch-devs 4G
config-scratch-devs 4G
config-scratch-devs 4G

config-timeout $(stress_timeout)

run_fio()
{
    filename=$1
    shift
    fio --eta=always				\
	--randrepeat=0				\
	--ioengine=libaio			\
	--iodepth=64				\
	--iodepth_batch=16			\
	--direct=1				\
	--numjobs=1				\
	--verify=meta				\
	--verify_fatal=1			\
	--filename=$filename			\
	--name=randrw				\
	--rw=randrw				\
	--bsrange=4k-1M				\
	--size=1G				\
	"$@"
}

run_mdtest()
{
    wipefs -a /dev/sd[bcde]
    mdadm --create --force -n4 -l$1 /dev/md0 /dev/sd[bcde]

    run_fio /dev/md0

    mdadm --stop /dev/md0
}


test_raid0()
{
    run_mdtest 0
}

test_raid10()
{
    run_mdtest 10
}

test_raid5()
{
    run_mdtest 5
}