#
# test the reshape code by using test_reshape and the
# kernel md code to move data into and out of variously
# shaped md arrays.
set -x
dir="."
layouts=(la ra ls rs)
for level in 5 6
do
for chunk in 4 8 16 32 64 128
do
  devs="$dev1"
  for disks in 2 3 4 5 6
  do
    eval devs=\"$devs \$dev$disks\"
    if [ " $level $disks" = " 6 3" -o " $level $disks" = " 6 2" ]
    then continue
    fi
    for nlayout in 0 1 2 3
    do
      layout=${layouts[$nlayout]}

      size=$[chunk*(disks-(level-4))*disks]

      # test restore: make a raid5 from a file, then do a compare
      dd if=/dev/urandom of=/tmp/RandFile bs=1024 count=$size
      $dir/test_stripe restore /tmp/RandFile $disks $[chunk*1024] $level $nlayout 0 $[size*1024] $devs
      mdadm -CR -e 1.0 $md0 -amd -l$level -n$disks --assume-clean -c $chunk -p $layout $devs
      cmp -s -n $[size*1024] $md0 /tmp/RandFile || { echo cmp failed ; exit 2; }

      # FIXME check parity

      # test save
      dd if=/dev/urandom of=$md0 bs=1024 count=$size
      blockdev --flushbufs $md0 $devs; sync
      > /tmp/NewRand
      $dir/test_stripe save /tmp/NewRand $disks $[chunk*1024] $level $nlayout 0 $[size*1024] $devs
      cmp -s -n $[size*1024] $md0 /tmp/NewRand || { echo cmp failed ; exit 2; }
      mdadm -S $md0
      udevadm settle
    done
  done
done
done
exit 0