Fix autoassemble for stack arrays.

If you have stacked arrays, then
  mdadm -As --homehost=fred
should work but doesn't.  It gets into an infinite loop!

So write some tests, and fix the bugs.

1 files changed, 2 insertions, 0 deletions

diff --git a/test b/test
index d2719854..a62d7e31 100644
--- a/test
+++ b/test
@@ -30,6 +30,8 @@ targetdir=/var/tmp
 size=20000
 # super0, round down to multiple of 64 and substract 64
 mdsize0=19904
+# super00 is nested, subtract 128
+mdsize00=19840
 # super1.0 round down to multiple of 2, subtract 8
 mdsize1=19992
 # subtract another 4 for bitmaps