| /* | |
| * 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 */ |