/* * Copyright (C) 2012 Red Hat, Inc. * * This file is released under the GPL. */ #ifndef DM_CACHE_BLOCK_TYPES_H #define DM_CACHE_BLOCK_TYPES_H #include "persistent-data/dm-block-manager.h" /*----------------------------------------------------------------*/ /* * It's helpful to get sparse to differentiate between indexes into the * origin device, indexes into the cache device, and indexes into the * discard bitset. */ typedef dm_block_t __bitwise dm_oblock_t; typedef uint32_t __bitwise dm_cblock_t; typedef dm_block_t __bitwise dm_dblock_t; static inline dm_oblock_t to_oblock(dm_block_t b) { return (__force dm_oblock_t) b; } static inline dm_block_t from_oblock(dm_oblock_t b) { return (__force dm_block_t) b; } static inline dm_cblock_t to_cblock(uint32_t b) { return (__force dm_cblock_t) b; } static inline uint32_t from_cblock(dm_cblock_t b) { return (__force uint32_t) b; } static inline dm_dblock_t to_dblock(dm_block_t b) { return (__force dm_dblock_t) b; } static inline dm_block_t from_dblock(dm_dblock_t b) { return (__force dm_block_t) b; } #endif /* DM_CACHE_BLOCK_TYPES_H */