1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
#ifndef _BCACHE_CHECKSUM_H
#define _BCACHE_CHECKSUM_H
#include "btree_types.h"
u64 bch_crc64_update(u64, const void *, size_t);
u64 bch_checksum_update(unsigned, u64, const void *, size_t);
u64 bch_checksum(unsigned, const void *, size_t);
u32 bch_checksum_bio(struct bio *, unsigned);
/*
* This is used for various on disk data structures - cache_sb, prio_set, bset,
* jset: The checksum is _always_ the first 8 bytes of these structs
*/
#define __csum_set(i, u64s, type) \
({ \
const void *start = ((const void *) (i)) + sizeof(u64); \
const void *end = __bkey_idx(i, u64s); \
\
bch_checksum(type, start, end - start); \
})
#endif /* _BCACHE_CHECKSUM_H */
|
