1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 57f1bf7f3b7a..3a53a5a9bec8 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -296,6 +296,7 @@ static void __insert_origin(struct origin *o)
  */
 static int register_snapshot(struct dm_snapshot *snap)
 {
+        struct dm_snapshot *l;
         struct origin *o, *new_o;
         struct block_device *bdev = snap->origin->bdev;
 
@@ -319,7 +320,11 @@ static int register_snapshot(struct dm_snapshot *snap)
                 __insert_origin(o);
         }
 
-        list_add_tail(&snap->list, &o->snapshots);
+        /* Sort the list according to chunk size, largest-first smallest-last */
+        list_for_each_entry(l, &o->snapshots, list)
+                if (l->store->chunk_size < snap->store->chunk_size)
+                        break;
+        list_add_tail(&snap->list, &l->list);
 
         up_write(&_origins_lock);
         return 0;