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25 lines
697 B
C
25 lines
697 B
C
#ifndef _BCACHE_CHECKSUM_H
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#define _BCACHE_CHECKSUM_H
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#include "btree_types.h"
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u64 bch_crc64_update(u64, const void *, size_t);
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u64 bch_checksum_update(unsigned, u64, const void *, size_t);
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u64 bch_checksum(unsigned, const void *, size_t);
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u32 bch_checksum_bio(struct bio *, unsigned);
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/*
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* This is used for various on disk data structures - cache_sb, prio_set, bset,
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* jset: The checksum is _always_ the first 8 bytes of these structs
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*/
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#define __csum_set(i, u64s, type) \
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({ \
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const void *start = ((const void *) (i)) + sizeof(u64); \
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const void *end = __bkey_idx(i, u64s); \
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\
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bch_checksum(type, start, end - start); \
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})
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#endif /* _BCACHE_CHECKSUM_H */
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