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#
# 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
layouts=(la ra ls rs)
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$disks\"
for nlayout in 0 1 2 3
do
layout=${layouts[$nlayout]}
size=$[chunk*(disks-1)*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] 5 $nlayout 0 $[size*1024] $devs
mdadm -CR $md0 -amd -l5 -n$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
> /tmp/NewRand
$dir/test_stripe save /tmp/NewRand $disks $[chunk*1024] 5 $nlayout 0 $[size*1024] $devs
cmp -s -n $[size*1024] $md0 /tmp/NewRand || { echo cmp failed ; exit 2; }
mdadm -S $md0
done
done
done
exit 0
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