FIX: Do not use layout for raid4 and raid0 while geo map computing

After takeover, layout has no meaning for computing geo map for raid0
and raid4.  Set layout to 0 for such cases.  It can happen after
takeover operation when not all array information is reread.

Signed-off-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 5 insertions, 0 deletions

diff --git a/restripe.c b/restripe.c
index 3074693b..d33dbbad 100644
--- a/restripe.c
+++ b/restripe.c
@@ -43,6 +43,11 @@ static int geo_map(int block, unsigned long long stripe, int raid_disks,
 	 */
 	int pd;
 
+	/* layout is not relevant for raid0 and raid4 */
+	if ((level == 0) ||
+	    (level == 4))
+		layout = 0;
+
 	switch(level*100 + layout) {
 	case 000:
 	case 400: