Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2011 Red Hat, Inc.
4 *
5 * This file is released under the GPL.
6 */
7
8#ifndef _DM_PERSISTENT_DATA_INTERNAL_H
9#define _DM_PERSISTENT_DATA_INTERNAL_H
10
11#include "dm-block-manager.h"
12
13static inline unsigned int dm_hash_block(dm_block_t b, unsigned int hash_mask)
14{
15 const unsigned int BIG_PRIME = 4294967291UL;
16
17 return (((unsigned int) b) * BIG_PRIME) & hash_mask;
18}
19
20#endif /* _PERSISTENT_DATA_INTERNAL_H */