crush: factor out (trivial) crush_destroy_rule()

Reflects ceph.git commit 43a01c9973c4b83f2eaa98be87429941a227ddde.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/crush/crush.h b/include/linux/crush/crush.h
index 6a1101f24cfb..09561a04c127 100644
--- a/include/linux/crush/crush.h
+++ b/include/linux/crush/crush.h
@@ -174,6 +174,7 @@ extern void crush_destroy_bucket_list(struct crush_bucket_list *b);
 extern void crush_destroy_bucket_tree(struct crush_bucket_tree *b);
 extern void crush_destroy_bucket_straw(struct crush_bucket_straw *b);
 extern void crush_destroy_bucket(struct crush_bucket *b);
+extern void crush_destroy_rule(struct crush_rule *r);
 extern void crush_destroy(struct crush_map *map);
 
 static inline int crush_calc_tree_node(int i)