There was a longstanding problem with recursion through intervening bucket types on complex hierarchies. Signed-off-by: Sage Weil <sage@newdream.net>
@@ -366,6 +366,7 @@ static int crush_choose(struct crush_map *map,
BUG_ON(item >= 0 ||
(-1-item) >= map->max_buckets);
in = map->buckets[-1-item];
+ retry_bucket = 1;
continue;
}