Grow: chose default layout when converting from RAID0.

If we don't do this explicitly, we end up keeping the "current"
layout, which is meaningless for RAID0.

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

1 files changed, 4 insertions, 0 deletions

diff --git a/Grow.c b/Grow.c
index 299583c8..35584cd9 100644
--- a/Grow.c
+++ b/Grow.c
@@ -1205,11 +1205,15 @@ char *analyse_change(struct mdinfo *info, struct reshape *re)
 			delta_parity = 1;
 			re->level = 5;
 			re->before.layout = ALGORITHM_PARITY_N;
+			if (info->new_layout == UnSet)
+				info->new_layout = map_name(r5layout, "default");
 			break;
 		case 6:
 			delta_parity = 2;
 			re->level = 6;
 			re->before.layout = ALGORITHM_PARITY_N;
+			if (info->new_layout == UnSet)
+				info->new_layout = map_name(r6layout, "default");
 			break;
 		default:
 			return "Impossible level change requested";