1#ifndef CEPH_CRUSH_HASH_H
2#define CEPH_CRUSH_HASH_H
3
4#ifdef __KERNEL__
5# include <linux/types.h>
6#else
7# include "crush_compat.h"
8#endif
9
10#define CRUSH_HASH_RJENKINS1   0
11
12#define CRUSH_HASH_DEFAULT CRUSH_HASH_RJENKINS1
13
14extern const char *crush_hash_name(int type);
15
16extern __u32 crush_hash32(int type, __u32 a);
17extern __u32 crush_hash32_2(int type, __u32 a, __u32 b);
18extern __u32 crush_hash32_3(int type, __u32 a, __u32 b, __u32 c);
19extern __u32 crush_hash32_4(int type, __u32 a, __u32 b, __u32 c, __u32 d);
20extern __u32 crush_hash32_5(int type, __u32 a, __u32 b, __u32 c, __u32 d,
21			    __u32 e);
22
23#endif
24