aboutsummaryrefslogtreecommitdiffstats
path: root/fs/ceph/crush/mapper.h
blob: 98e90046fd9f89a07835647ac3f845429ebe90fc (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
#ifndef _CRUSH_MAPPER_H
#define _CRUSH_MAPPER_H

/*
 * CRUSH functions for find rules and then mapping an input to an
 * output set.
 *
 * LGPL2
 */

#include "crush.h"

extern int crush_find_rule(struct crush_map *map, int pool, int type, int size);
extern int crush_do_rule(struct crush_map *map,
			 int ruleno,
			 int x, int *result, int result_max,
			 int forcefeed,    /* -1 for none */
			 __u32 *weights);

#endif