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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
11#include "crush.h"
12
13extern int crush_find_rule(struct crush_map *map, int pool, int type, int size);
14extern int crush_do_rule(struct crush_map *map,
15 int ruleno,
16 int x, int *result, int result_max,
17 int forcefeed, /* -1 for none */
18 __u32 *weights);
19
20#endif