myparted sdh 39C4

alias mkfslazy='mkfs.ext4 -E lazy_itable_init=1'

myparted(){
    [ "X$1" == "X" ] && echo "no args. need /dev/???" && return
    [ "X$2" == "X" ] && echo "no args. need serial. hdinfo" && return
    bestalignment=$(devbestalignment $1)
    parted -a optimal --script /dev/$1 mklabel gpt mkpart $2 "${bestalignment}s" 100%
}
alias hdinfo='lshw -class disk | grep "logical name" -A2'
alias duf2='duf --hide-fs tmpfs,devtmpfs,squashfs'

devbestalignment(){
    dev=$1
    optimal_io_size=$(cat /sys/block/$dev/queue/optimal_io_size)
    minimum_io_size=$(cat /sys/block/$dev/queue/minimum_io_size)
    alignment_offset=$(cat /sys/block/$dev/alignment_offset)
    physical_block_size=$(cat /sys/block/$dev/queue/physical_block_size)

    if [ "$2" == "-v" ]; then
        echo "optimal_io_size $optimal_io_size"
        echo "minimum_io_size $minimum_io_size"
        echo "alignment_offset $alignment_offset"
        echo "physical_block_size $physical_block_size"
    fi

    val=$(echo "($optimal_io_size+$alignment_offset)/$physical_block_size" | bc)
    if [ $val -lt 2048 ]; then
        val=2048
    fi
    echo $val
}