blob: 5dfd5b1125d2b257a4a00d1e77661613ca2227ec [file] [log] [blame]
Sage Weil5cd068c2010-07-07 08:38:17 -07001#ifndef CEPH_CRUSH_MAPPER_H
2#define CEPH_CRUSH_MAPPER_H
Sage Weil5ecc0a02009-10-06 11:31:11 -07003
4/*
5 * CRUSH functions for find rules and then mapping an input to an
6 * output set.
7 *
8 * LGPL2
9 */
10
Ilya Dryomovb459be72015-06-12 13:21:07 +030011#include "crush.h"
Sage Weil5ecc0a02009-10-06 11:31:11 -070012
Sage Weil8b12d472012-05-07 15:38:35 -070013extern int crush_find_rule(const struct crush_map *map, int ruleset, int type, int size);
14extern int crush_do_rule(const struct crush_map *map,
Sage Weil5ecc0a02009-10-06 11:31:11 -070015 int ruleno,
16 int x, int *result, int result_max,
Ilya Dryomove8ef19c2013-12-24 21:19:24 +020017 const __u32 *weights, int weight_max,
18 int *scratch);
Sage Weil5ecc0a02009-10-06 11:31:11 -070019
20#endif