1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_LRU_FORMAT_H
#define _BCACHEFS_LRU_FORMAT_H
struct bch_lru {
struct bch_val v;
__le64 idx;
} __packed __aligned(8);
#define BCH_LRU_TYPES() \
x(read) \
x(fragmentation) \
x(stripes)
enum bch_lru_type {
#define x(n) BCH_LRU_##n,
BCH_LRU_TYPES()
#undef x
};
#define BCH_LRU_BUCKET_FRAGMENTATION ((1U << 16) - 1)
#define BCH_LRU_STRIPE_FRAGMENTATION ((1U << 16) - 2)
#define LRU_TIME_BITS 48
#define LRU_TIME_MAX ((1ULL << LRU_TIME_BITS) - 1)
#endif /* _BCACHEFS_LRU_FORMAT_H */
|
