hash.c File Reference

#include <linux/types.h>
#include <linux/crush/hash.h>

Go to the source code of this file.

Macros
#define	crush_hashmix(a, b, c)
#define	crush_hash_seed   1315423911

Functions
__u32	crush_hash32 (int type, __u32 a)
__u32	crush_hash32_2 (int type, __u32 a, __u32 b)
__u32	crush_hash32_3 (int type, __u32 a, __u32 b, __u32 c)
__u32	crush_hash32_4 (int type, __u32 a, __u32 b, __u32 c, __u32 d)
__u32	crush_hash32_5 (int type, __u32 a, __u32 b, __u32 c, __u32 d, __u32 e)
const char *	crush_hash_name (int type)

Macro Definition Documentation

#define crush_hash_seed   1315423911

Definition at line 22 of file hash.c.

#define crush_hashmix	(		a,
			b,
			c
	)

Value:

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)

Definition at line 10 of file hash.c.

Function Documentation

__u32 crush_hash32	(	int	type,
		__u32	a
	)

Definition at line 91 of file hash.c.

__u32 crush_hash32_2	(	int	type,
		__u32	a,
		__u32	b
	)

Definition at line 101 of file hash.c.

__u32 crush_hash32_3	(	int	type,
		__u32	a,
		__u32	b,
		__u32	c
	)

Definition at line 111 of file hash.c.

__u32 crush_hash32_4	(	int	type,
		__u32	a,
		__u32	b,
		__u32	c,
		__u32	d
	)

Definition at line 121 of file hash.c.

__u32 crush_hash32_5	(	int	type,
		__u32	a,
		__u32	b,
		__u32	c,
		__u32	d,
		__u32	e
	)

Definition at line 131 of file hash.c.

const char* crush_hash_name

(

int

type

)

Definition at line 141 of file hash.c.