sb->size = __cpu_to_le64(info->component_size);
sb->chunksize = __cpu_to_le32(info->array.chunk_size/512);
sb->raid_disks = __cpu_to_le32(info->array.raid_disks);
- sb->data_size = sb->size;
+ if (info->array.level > 0)
+ sb->data_size = sb->size;
+ else
+ sb->data_size = st->ss->avail_size(st, st->devsize/512, 0);
sb->resync_offset = MaxSector;
sb->max_dev = __cpu_to_le32(MD_SB_DISKS);
sb->dev_number = __cpu_to_le32(info->disk.number);
--- /dev/null
+set -xe
+
+# test converting v0.90 to v1.0
+# check for different levels
+# check it fails for non-v0.90
+# check it fails during reshape or recovery
+# check it fails when bitmap is present
+
+dlist="$dev0 $dev1 $dev2 $dev3"
+
+for ls in raid0/4 linear/4 raid1/1 raid5/3 raid6/2
+do
+ s=${ls#*/} l=${ls%/*}
+ mdadm -CR --assume-clean -e 0.90 $md0 --level $l -n 4 -c 64 $dlist
+ testdev $md0 $s 19904 64
+ mdadm -S $md0
+ mdadm -A $md0 --update=metadata $dlist
+ testdev $md0 $s 19904 64 check
+ mdadm -S $md0
+done
+
+if mdadm -A $md0 --update=metadata $dlist
+then echo >&2 should fail with v1.0 metadata
+ exit 1
+fi
+
+mdadm -CR -e 0.90 $md0 --level=6 -n4 -c32 $dlist
+mdadm -S $md0
+
+if mdadm -A $md0 --update=metadata $dlist
+then echo >&2 should fail during resync
+ exit 1
+fi
+mdadm -A $md0 $dlist
+mdadm --wait $md0
+mdadm -S $md0
+
+# should succeed now
+mdadm -A $md0 --update=metadata $dlist
+
+mdadm -S /dev/md0
+mdadm -CR --assume-clean -e 0.90 $md0 --level=6 -n4 -c32 $dlist --bitmap=internal
+mdadm -S $md0
+
+if mdadm -A $md0 --update=metadata $dlist
+then echo >&2 should fail when bitmap present
+ exit 1
+fi