Deactivate the shared snapshots if the origin is deactivated.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>

---
 lib/activate/dev_manager.c |   12 ++++++++++++
 libdm/libdm-deptree.c      |    4 +++-
 2 files changed, 15 insertions(+), 1 deletion(-)

Index: LVM2.2.02.73/lib/activate/dev_manager.c
===================================================================
--- LVM2.2.02.73.orig/lib/activate/dev_manager.c	2010-09-10 19:14:12.000000000 +0200
+++ LVM2.2.02.73/lib/activate/dev_manager.c	2010-09-10 19:14:51.000000000 +0200
@@ -1203,6 +1203,18 @@ static struct dm_tree *_create_partial_d
 			if (!_add_lv_to_dtree(dm, dtree, dm_list_struct_base(snh, struct lv_segment, origin_list)->cow, 0))
 				goto_bad;
 
+	if (lv_is_multisnap_origin(lv)) {
+		struct lv_list *lvl;
+		dm_list_iterate_items(lvl, &lv->vg->lvs) {
+			struct logical_volume *snap_l = lvl->lv;
+			struct lv_segment *snap_s;
+			if (lv_is_multisnap_cow(snap_l) &&
+			    (snap_s = first_seg(snap_l)) &&
+			    snap_s->origin == lv)
+				_add_lv_to_dtree(dm, dtree, snap_l, 0);
+		}
+	}
+
 	/* Add any LVs used by segments in this LV */
 	dm_list_iterate_items(seg, &lv->segments) {
 		for (s = 0; s < seg->area_count; s++)
Index: LVM2.2.02.73/libdm/libdm-deptree.c
===================================================================
--- LVM2.2.02.73.orig/libdm/libdm-deptree.c	2010-09-10 19:14:12.000000000 +0200
+++ LVM2.2.02.73/libdm/libdm-deptree.c	2010-09-10 19:14:14.000000000 +0200
@@ -2141,8 +2141,10 @@ int dm_tree_node_add_snapshot_shared_sna
 	}
 
 	seg->snapid = dm_pool_strdup(node->dtree->mem, snapid);
-
 	seg->origin = origin_node;
+
+	node->activation_priority = 1;
+
 	if (!_link_tree_nodes(node, origin_node))
 		return_0;