You've already forked linux-rockchip
mirror of
https://github.com/armbian/linux-rockchip.git
synced 2026-01-06 11:08:10 -08:00
83ee6b2729
[ Upstream commit 86a3238c7b9b759cb864f4f768ab2e24687dc0e6 ] Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org> Stable-dep-of: f7b58a69fad9 ("dm: fix improper splitting for abnormal bios") Signed-off-by: Sasha Levin <sashal@kernel.org>
20 lines
423 B
C
20 lines
423 B
C
/*
|
|
* 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 int dm_hash_block(dm_block_t b, unsigned int hash_mask)
|
|
{
|
|
const unsigned int BIG_PRIME = 4294967291UL;
|
|
|
|
return (((unsigned int) b) * BIG_PRIME) & hash_mask;
|
|
}
|
|
|
|
#endif /* _PERSISTENT_DATA_INTERNAL_H */
|