From: NeilBrown <neilb@suse.de>
Date: Wed, 15 Aug 2012 00:07:26 +0000 (+1000)
Subject: ddf: hack to fix container recognition.
X-Git-Tag: mdadm-3.3-rc1~234
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=542ef4ece49ec1b18154fc8e850cdecf1c1fdb98;p=thirdparty%2Fmdadm.git

ddf: hack to fix container recognition.

When adding a spare to a DDF there is some confusion about the
'level' of the container.  It is reported by kernel as unknown
 -1000000.
I don't know why this broke but until I figure out why and fix it,
this hack gets us going again.

Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/super-ddf.c b/super-ddf.c
index ca517e39..14a8e3b1 100644
--- a/super-ddf.c
+++ b/super-ddf.c
@@ -2609,6 +2609,7 @@ static int validate_geometry_ddf(struct supertype *st,
 	if (chunk && *chunk == UnSet)
 		*chunk = DEFAULT_CHUNK;
 
+	if (level == -1000000) level = LEVEL_CONTAINER;
 	if (level == LEVEL_CONTAINER) {
 		/* Must be a fresh device to add to a container */
 		return validate_geometry_ddf_container(st, level, layout,