tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _BUCKETS_TYPES_H
3#define _BUCKETS_TYPES_H
4
5#include "bcachefs_format.h"
6#include "util.h"
7
8#define BUCKET_JOURNAL_SEQ_BITS 16
9
10struct bucket {
11 u8 lock;
12 u8 gen_valid:1;
13 u8 data_type:7;
14 u8 gen;
15 u8 stripe_redundancy;
16 u32 stripe;
17 u32 dirty_sectors;
18 u32 cached_sectors;
19 u32 stripe_sectors;
20} __aligned(sizeof(long));
21
22struct bucket_gens {
23 struct rcu_head rcu;
24 u16 first_bucket;
25 size_t nbuckets;
26 size_t nbuckets_minus_first;
27 u8 b[] __counted_by(nbuckets);
28};
29
30struct bch_dev_usage {
31 struct bch_dev_usage_type {
32 u64 buckets;
33 u64 sectors; /* _compressed_ sectors: */
34 /*
35 * XXX
36 * Why do we have this? Isn't it just buckets * bucket_size -
37 * sectors?
38 */
39 u64 fragmented;
40 } d[BCH_DATA_NR];
41};
42
43struct bch_fs_usage_base {
44 u64 hidden;
45 u64 btree;
46 u64 data;
47 u64 cached;
48 u64 reserved;
49 u64 nr_inodes;
50};
51
52struct bch_fs_usage_short {
53 u64 capacity;
54 u64 used;
55 u64 free;
56 u64 nr_inodes;
57};
58
59/*
60 * A reservation for space on disk:
61 */
62struct disk_reservation {
63 u64 sectors;
64 u32 gen;
65 unsigned nr_replicas;
66};
67
68#endif /* _BUCKETS_TYPES_H */