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 8extern const char *crush_hash_name(int type); 9 10extern __u32 crush_hash32(int type, __u32 a); 11extern __u32 crush_hash32_2(int type, __u32 a, __u32 b); 12extern __u32 crush_hash32_3(int type, __u32 a, __u32 b, __u32 c); 13extern __u32 crush_hash32_4(int type, __u32 a, __u32 b, __u32 c, __u32 d); 14extern __u32 crush_hash32_5(int type, __u32 a, __u32 b, __u32 c, __u32 d, 15 __u32 e); 16 17#endif 18