LXR linux/include/linux/crush/hash.h

   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