blob: 9ec96dbab0e8104ea6525edd07c8f7000e00a471 (
plain)
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
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BUCKETS_TYPES_H
#define _BUCKETS_TYPES_H
#include "bcachefs_format.h"
#include "util.h"
#define BUCKET_JOURNAL_SEQ_BITS 16
struct bucket_mark {
union {
struct {
atomic64_t v;
};
struct {
u8 gen;
u8 data_type:3,
gen_valid:1,
owned_by_allocator:1,
nouse:1,
journal_seq_valid:1,
stripe:1;
u16 dirty_sectors;
u16 cached_sectors;
/*
* low bits of journal sequence number when this bucket was most
* recently modified: if journal_seq_valid is set, this bucket
* can't be reused until the journal sequence number written to
* disk is >= the bucket's journal sequence number:
*/
u16 journal_seq;
};
};
};
struct bucket {
union {
struct bucket_mark _mark;
const struct bucket_mark mark;
};
u16 io_time[2];
};
struct bucket_array {
struct rcu_head rcu;
u16 first_bucket;
size_t nbuckets;
struct bucket b[];
};
struct bch_dev_usage {
u64 buckets[BCH_DATA_NR];
u64 buckets_alloc;
u64 buckets_ec;
u64 buckets_unavailable;
/* _compressed_ sectors: */
u64 sectors[BCH_DATA_NR];
u64 sectors_fragmented;
};
struct bch_fs_usage {
/* all fields are in units of 512 byte sectors: */
u64 online_reserved;
u64 available_cache;
struct {
u64 data[BCH_DATA_NR];
u64 ec_data;
u64 persistent_reserved;
} replicas[BCH_REPLICAS_MAX];
u64 buckets[BCH_DATA_NR];
};
/*
* A reservation for space on disk:
*/
struct disk_reservation {
u64 sectors;
u32 gen;
unsigned nr_replicas;
};
struct copygc_heap_entry {
u8 gen;
u32 sectors;
u64 offset;
};
typedef HEAP(struct copygc_heap_entry) copygc_heap;
#endif /* _BUCKETS_TYPES_H */
|
