blob: c49e26fff36c85fc87f7b898d91a23be0923d6a8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
/*
* Copyright (C) 2011 Red Hat, Inc.
*
* This file is released under the GPL.
*/
#ifndef _DM_PERSISTENT_DATA_INTERNAL_H
#define _DM_PERSISTENT_DATA_INTERNAL_H
#include "dm-block-manager.h"
static inline unsigned dm_hash_block(dm_block_t b, unsigned hash_mask)
{
const unsigned BIG_PRIME = 4294967291UL;
return (((unsigned) b) * BIG_PRIME) & hash_mask;
}
#endif /* _PERSISTENT_DATA_INTERNAL_H */
|
