test_md

#!/bin/bash

#DEVS="/dev/mapper/360a98000324669436c2b424f41677278 /dev/mapper/360a98000324669436c2b424f4167727a /dev/mapper/360a98000324669436c2b424f41677276 /dev/mapper/360a98000324669436c2b424f41677270"
DEVS="/dev/sdd /dev/sde /dev/sdf /dev/sdg"
DEVS_NUM=4
MDDEV=md0

function stop_md() {
	mdadm --stop /dev/$MDDEV
}

function clear_devs() {
	stop_md
	for dev in $DEVS ; do
		wipefs -a $dev >/dev/null
	done
}

function create_md() { # $1 chunk
	clear_devs
	echo "Creating RAID over $DEVS with $1 chunk size."
	mdadm -C -f -l 5 -n $DEVS_NUM -c $1 --assume-clean /dev/$MDDEV $DEVS
#	mdadm -C -l 5 -n $DEVS_NUM -c $1 /dev/$MDDEV $DEVS
	echo 1024 >/sys/block/$MDDEV/md/stripe_cache_size
	sleep 2
	udevadm settle
	#cat /proc/mdstat
}

function reload_module() {
#	modprobe dm-crypt
	rmmod dm-crypt
	insmod modules/$1/dm-crypt.ko
}


#for prefix in no_patch no_percpu per_bio_data unbound dont_allocate_wfix remove_io_pool offload sort ; do
#for prefix in sort ; do
for run in 1 2 3 ; do
	for prefix in no_patch no_percpu use_per_bio_data dont_alloc_to_remove_io_pending  ; do
		reload_module $prefix

		create_md 64
		./run_test.sh --debugv --dev /dev/$MDDEV --log /root/okozina/logs/low_mem/test-md/run_$run/log_"$prefix"_64 --testdir /root/okozina/test_dir

		create_md 512
		./run_test.sh --debugv --dev /dev/$MDDEV --log /root/okozina/logs/low_mem/test-md/run_$run/log_"$prefix"_512 --testdir /root/okozina/test_dir
	done
done

clear_devs