remove ceph code

[stor4nfv.git] / src / ceph / src / crush / hash.c

diff --git a/src/ceph/src/crush/hash.c b/src/ceph/src/crush/hash.c
deleted file mode 100644 (file)
index ed123af..0000000
--- a/src/ceph/src/crush/hash.c
+++ /dev/null
@@ -1,151 +0,0 @@
-#ifdef __KERNEL__
-# include <linux/crush/hash.h>
-#else
-# include "hash.h"
-#endif
-
-/*
- * Robert Jenkins' function for mixing 32-bit values
- * http://burtleburtle.net/bob/hash/evahash.html
- * a, b = random bits, c = input and output
- */
-#define crush_hashmix(a, b, c) do {                    \
-               a = a-b;  a = a-c;  a = a^(c>>13);      \
-               b = b-c;  b = b-a;  b = b^(a<<8);       \
-               c = c-a;  c = c-b;  c = c^(b>>13);      \
-               a = a-b;  a = a-c;  a = a^(c>>12);      \
-               b = b-c;  b = b-a;  b = b^(a<<16);      \
-               c = c-a;  c = c-b;  c = c^(b>>5);       \
-               a = a-b;  a = a-c;  a = a^(c>>3);       \
-               b = b-c;  b = b-a;  b = b^(a<<10);      \
-               c = c-a;  c = c-b;  c = c^(b>>15);      \
-       } while (0)
-
-#define crush_hash_seed 1315423911
-
-static __u32 crush_hash32_rjenkins1(__u32 a)
-{
-       __u32 hash = crush_hash_seed ^ a;
-       __u32 b = a;
-       __u32 x = 231232;
-       __u32 y = 1232;
-       crush_hashmix(b, x, hash);
-       crush_hashmix(y, a, hash);
-       return hash;
-}
-
-static __u32 crush_hash32_rjenkins1_2(__u32 a, __u32 b)
-{
-       __u32 hash = crush_hash_seed ^ a ^ b;
-       __u32 x = 231232;
-       __u32 y = 1232;
-       crush_hashmix(a, b, hash);
-       crush_hashmix(x, a, hash);
-       crush_hashmix(b, y, hash);
-       return hash;
-}
-
-static __u32 crush_hash32_rjenkins1_3(__u32 a, __u32 b, __u32 c)
-{
-       __u32 hash = crush_hash_seed ^ a ^ b ^ c;
-       __u32 x = 231232;
-       __u32 y = 1232;
-       crush_hashmix(a, b, hash);
-       crush_hashmix(c, x, hash);
-       crush_hashmix(y, a, hash);
-       crush_hashmix(b, x, hash);
-       crush_hashmix(y, c, hash);
-       return hash;
-}
-
-static __u32 crush_hash32_rjenkins1_4(__u32 a, __u32 b, __u32 c, __u32 d)
-{
-       __u32 hash = crush_hash_seed ^ a ^ b ^ c ^ d;
-       __u32 x = 231232;
-       __u32 y = 1232;
-       crush_hashmix(a, b, hash);
-       crush_hashmix(c, d, hash);
-       crush_hashmix(a, x, hash);
-       crush_hashmix(y, b, hash);
-       crush_hashmix(c, x, hash);
-       crush_hashmix(y, d, hash);
-       return hash;
-}
-
-static __u32 crush_hash32_rjenkins1_5(__u32 a, __u32 b, __u32 c, __u32 d,
-                                     __u32 e)
-{
-       __u32 hash = crush_hash_seed ^ a ^ b ^ c ^ d ^ e;
-       __u32 x = 231232;
-       __u32 y = 1232;
-       crush_hashmix(a, b, hash);
-       crush_hashmix(c, d, hash);
-       crush_hashmix(e, x, hash);
-       crush_hashmix(y, a, hash);
-       crush_hashmix(b, x, hash);
-       crush_hashmix(y, c, hash);
-       crush_hashmix(d, x, hash);
-       crush_hashmix(y, e, hash);
-       return hash;
-}
-
-
-__u32 crush_hash32(int type, __u32 a)
-{
-       switch (type) {
-       case CRUSH_HASH_RJENKINS1:
-               return crush_hash32_rjenkins1(a);
-       default:
-               return 0;
-       }
-}
-
-__u32 crush_hash32_2(int type, __u32 a, __u32 b)
-{
-       switch (type) {
-       case CRUSH_HASH_RJENKINS1:
-               return crush_hash32_rjenkins1_2(a, b);
-       default:
-               return 0;
-       }
-}
-
-__u32 crush_hash32_3(int type, __u32 a, __u32 b, __u32 c)
-{
-       switch (type) {
-       case CRUSH_HASH_RJENKINS1:
-               return crush_hash32_rjenkins1_3(a, b, c);
-       default:
-               return 0;
-       }
-}
-
-__u32 crush_hash32_4(int type, __u32 a, __u32 b, __u32 c, __u32 d)
-{
-       switch (type) {
-       case CRUSH_HASH_RJENKINS1:
-               return crush_hash32_rjenkins1_4(a, b, c, d);
-       default:
-               return 0;
-       }
-}
-
-__u32 crush_hash32_5(int type, __u32 a, __u32 b, __u32 c, __u32 d, __u32 e)
-{
-       switch (type) {
-       case CRUSH_HASH_RJENKINS1:
-               return crush_hash32_rjenkins1_5(a, b, c, d, e);
-       default:
-               return 0;
-       }
-}
-
-const char *crush_hash_name(int type)
-{
-       switch (type) {
-       case CRUSH_HASH_RJENKINS1:
-               return "rjenkins1";
-       default:
-               return "unknown";
-       }
-}