MALLOC_SIZE_MB=128
MALLOC_BS=512
LVS_DEFAULT_CLUSTER_SIZE_MB=4
LVS_DEFAULT_CLUSTER_SIZE=$(( LVS_DEFAULT_CLUSTER_SIZE_MB * 1024 * 1024 ))
# reserve some MBs for lvolstore metadata
LVS_DEFAULT_CAPACITY_MB=$(( MALLOC_SIZE_MB - LVS_DEFAULT_CLUSTER_SIZE_MB ))
LVS_DEFAULT_CAPACITY=$(( LVS_DEFAULT_CAPACITY_MB * 1024 * 1024 ))

function rpc_cmd() {
	$rootdir/scripts/rpc.py "$@"
}

function check_leftover_devices() {
	leftover_bdevs=$(rpc_cmd bdev_get_bdevs)
	[ "$(jq length <<< "$leftover_bdevs")" == "0" ]
	leftover_lvs=$(rpc_cmd bdev_lvol_get_lvstores)
	[ "$(jq length <<< "$leftover_lvs")" == "0" ]
}

function round_down() {
	echo $(( $1 / LVS_DEFAULT_CLUSTER_SIZE_MB * LVS_DEFAULT_CLUSTER_SIZE_MB ))
}