crush: remove parent maps

These were used for the ill-fated forcefeed feature.  Remove them.

Reflects ceph.git commit ebdf80edfecfbd5a842b71fbe5732857994380c1.

Reviewed-by: Alex Elder <elder@inktank.com>
Signed-off-by: Sage Weil <sage@inktank.com>

1 files changed, 0 insertions, 25 deletions

diff --git a/net/ceph/crush/crush.c b/net/ceph/crush/crush.c
index 8dd19a0deedc..2160791acf03 100644
--- a/net/ceph/crush/crush.c
+++ b/net/ceph/crush/crush.c
@@ -46,29 +46,6 @@ int crush_get_bucket_item_weight(const struct crush_bucket *b, int p)
         return 0;
 }
 
-/**
- * crush_calc_parents - Calculate parent vectors for the given crush map.
- * @map: crush_map pointer
- */
-void crush_calc_parents(struct crush_map *map)
-{
-        int i, b, c;
-
-        for (b = 0; b < map->max_buckets; b++) {
-                if (map->buckets[b] == NULL)
-                        continue;
-                for (i = 0; i < map->buckets[b]->size; i++) {
-                        c = map->buckets[b]->items[i];
-                        BUG_ON(c >= map->max_devices ||
-                               c < -map->max_buckets);
-                        if (c >= 0)
-                                map->device_parents[c] = map->buckets[b]->id;
-                        else
-                                map->bucket_parents[-1-c] = map->buckets[b]->id;
-                }
-        }
-}
-
 void crush_destroy_bucket_uniform(struct crush_bucket_uniform *b)
 {
         kfree(b->h.perm);
@@ -143,8 +120,6 @@ void crush_destroy(struct crush_map *map)
                 kfree(map->rules);
         }
 
-        kfree(map->bucket_parents);
-        kfree(map->device_parents);
         kfree(map);
 }