[linux-block.git] / include / linux / crush / hash.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef CEPH_CRUSH_HASH_H
#define CEPH_CRUSH_HASH_H

#ifdef __KERNEL__
# include <linux/types.h>
#else
# include "crush_compat.h"
#endif

#define CRUSH_HASH_RJENKINS1   0

#define CRUSH_HASH_DEFAULT CRUSH_HASH_RJENKINS1

extern const char *crush_hash_name(int type);

extern __u32 crush_hash32(int type, __u32 a);
extern __u32 crush_hash32_2(int type, __u32 a, __u32 b);
extern __u32 crush_hash32_3(int type, __u32 a, __u32 b, __u32 c);
extern __u32 crush_hash32_4(int type, __u32 a, __u32 b, __u32 c, __u32 d);
extern __u32 crush_hash32_5(int type, __u32 a, __u32 b, __u32 c, __u32 d,
			    __u32 e);

#endif
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
5cd068c2 SW	2	#ifndef CEPH_CRUSH_HASH_H
5cd068c2 SW	3	#define CEPH_CRUSH_HASH_H
5ecc0a0f	4
b459be73 ID	5	#ifdef __KERNEL__
	6	# include <linux/types.h>
	7	#else
	8	# include "crush_compat.h"
	9	#endif
	10
fb690390 SW	11	#define CRUSH_HASH_RJENKINS1 0
	12
	13	#define CRUSH_HASH_DEFAULT CRUSH_HASH_RJENKINS1
	14
	15	extern const char *crush_hash_name(int type);
	16
	17	extern __u32 crush_hash32(int type, __u32 a);
	18	extern __u32 crush_hash32_2(int type, __u32 a, __u32 b);
	19	extern __u32 crush_hash32_3(int type, __u32 a, __u32 b, __u32 c);
	20	extern __u32 crush_hash32_4(int type, __u32 a, __u32 b, __u32 c, __u32 d);
	21	extern __u32 crush_hash32_5(int type, __u32 a, __u32 b, __u32 c, __u32 d,
	22	__u32 e);
5ecc0a0f SW	23
5ecc0a0f SW	24	#endif