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[];
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 */