From: Martin Wilck <mwilck@xxxxxxxx>
I forgot to check in this helper script, similar to the one for IMSM.
It is needed by tests/10ddf-create-fail-rebuild.
Signed-off-by: Martin Wilck <mwilck@xxxxxxxx>
---
tests/env-ddf-template | 76 ++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 76 insertions(+), 0 deletions(-)
create mode 100644 tests/env-ddf-template
diff --git a/tests/env-ddf-template b/tests/env-ddf-template
new file mode 100644
index 0000000..28e19d0
--- /dev/null
+++ b/tests/env-ddf-template
@@ -0,0 +1,76 @@
+ddf_check() {
+ udevadm settle
+ case $1 in
+ container )
+ grep -s "blocks super external:ddf" /proc/mdstat > /dev/null || {
+ echo >&2 "**Fatal** Correctly formed container not found"; cat /proc/mdstat; exit 1; }
+ ;;
+ member )
+ t_member=$2
+ t_num_disks=$3
+ t_level=$4
+ t_rd_size=$5
+ t_size=$6
+ t_offset=$7
+ t_chunk=$8
+ t_layout=$9
+
+ if [ $t_chunk -ne 0 ]; then
+ t_rd_size=$((t_rd_size & ~(t_chunk - 1)))
+ fi
+ case $t_level in
+ 0) t_size=$((t_num_disks*$t_rd_size));;
+ 1) t_size=$t_rd_size;;
+ 4|5) t_size=$(((t_num_disks-1)*$t_rd_size));;
+ 6) t_size=$(((t_num_disks-2)*$t_rd_size));;
+ 10) t_size=$((t_num_disks*$t_rd_size/t_layout));;
+ esac
+
+ err=0
+
+ eval `stat -L -c "let major=0x%t; let minor=0x%T;" $t_member`
+ sysfs=/sys/dev/block/${major}:${minor}
+ if [ ! -f ${sysfs}/md/array_state ]; then
+ echo "**Fatal**: Array member $t_member not found" >&2; cat /proc/mdstat >&2; exit 1
+ fi
+ _chunk=`cat ${sysfs}/md/chunk_size`
+ if [ $t_chunk -ne $((_chunk/1024)) ]; then
+ echo "**Error**: Chunk size mismatch - expected $t_chunk, actual $_chunk" >&2
+ err=$((err + 1))
+ fi
+ for i in `seq 0 $((t_num_disks - 1))`; do
+ _offset=`cat ${sysfs}/md/rd${i}/offset`
+ if [ $t_offset -ne $((_offset / 2)) ]; then
+ echo "**Error**: Offset mismatch - expected $t_offset, actual $((_offset/2))" >&2
+ err=$((err + 1))
+ fi
+ _rd_size=`cat ${sysfs}/md/rd${i}/size`
+ if [ $t_rd_size -ne $_rd_size ]; then
+ echo "**Error**: Component size mismatch - expected $t_rd_size, actual $_rd_size" >&2
+ err=$((err + 1))
+ fi
+ done
+ _size=`cat ${sysfs}/md/array_size`
+ [ o$_size = odefault ] && _size=$(($(cat ${sysfs}/size)/2))
+ if [ $t_size -ne $_size ]; then
+ echo "**Error**: Array size mismatch - expected $t_size, actual $_size" >&2
+ err=$((err + 1))
+ fi
+ if [ $err -gt 0 ]; then
+ echo "$t_member failed check" >&2
+ cat /proc/mdstat >&2
+ mdadm -E /dev/loop8 >&2
+ exit 1
+ fi
+ ;;
+ * )
+ echo >&2 "**Error** unknown check $1"; exit 1;
+ esac
+}
+
+container=/dev/md/ddf
+member0=/dev/md/vol0
+member1=/dev/md/vol1
+member2=/dev/md/vol2
+member3=/dev/md/vol3
+member4=/dev/md/vol4
--
1.7.1
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