1 #ifndef CEPH_CRUSH_HASH_H
2 #define CEPH_CRUSH_HASH_H
3 
4 #define CRUSH_HASH_RJENKINS1   0
5 
6 #define CRUSH_HASH_DEFAULT CRUSH_HASH_RJENKINS1
7 
8 extern const char *crush_hash_name(int type);
9 
10 extern __u32 crush_hash32(int type, __u32 a);
11 extern __u32 crush_hash32_2(int type, __u32 a, __u32 b);
12 extern __u32 crush_hash32_3(int type, __u32 a, __u32 b, __u32 c);
13 extern __u32 crush_hash32_4(int type, __u32 a, __u32 b, __u32 c, __u32 d);
14 extern __u32 crush_hash32_5(int type, __u32 a, __u32 b, __u32 c, __u32 d,
15 			    __u32 e);
16 
17 #endif
18