]> Git Repo - linux.git/blob - drivers/md/persistent-data/dm-persistent-data-internal.h
Merge patch series "riscv: Extension parsing fixes"
[linux.git] / drivers / md / persistent-data / dm-persistent-data-internal.h
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
13 static 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 */
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