Linux kernel mirror (for testing)
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _BCACHEFS_LRU_FORMAT_H
3#define _BCACHEFS_LRU_FORMAT_H
4
5struct bch_lru {
6 struct bch_val v;
7 __le64 idx;
8} __packed __aligned(8);
9
10#define BCH_LRU_TYPES() \
11 x(read) \
12 x(fragmentation)
13
14enum bch_lru_type {
15#define x(n) BCH_LRU_##n,
16 BCH_LRU_TYPES()
17#undef x
18};
19
20#define BCH_LRU_FRAGMENTATION_START ((1U << 16) - 1)
21
22#define LRU_TIME_BITS 48
23#define LRU_TIME_MAX ((1ULL << LRU_TIME_BITS) - 1)
24
25#endif /* _BCACHEFS_LRU_FORMAT_H */