ceph: fix crush recursion

There was a longstanding problem with recursion through intervening
bucket types on complex hierarchies.

Signed-off-by: Sage Weil <sage@newdream.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/ceph/crush/mapper.c b/fs/ceph/crush/mapper.c
index 9ba54efb6543..804e6d53b77c 100644
--- a/fs/ceph/crush/mapper.c
+++ b/fs/ceph/crush/mapper.c
@@ -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;
 				}