| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef _BUCKETS_TYPES_H |
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| 3 | #define _BUCKETS_TYPES_H |
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| 4 | |
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| 5 | #include "bcachefs_format.h" |
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| 6 | #include "util.h" |
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| 7 | |
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| 8 | #define BUCKET_JOURNAL_SEQ_BITS 16 |
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| 9 | |
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| 10 | struct bucket { |
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| 11 | u8 lock; |
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| 12 | u8 gen_valid:1; |
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| 13 | u8 data_type:7; |
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| 14 | u8 gen; |
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| 15 | u8 stripe_redundancy; |
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| 16 | u32 stripe; |
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| 17 | u32 dirty_sectors; |
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| 18 | u32 cached_sectors; |
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| 19 | }; |
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| 20 | |
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| 21 | struct bucket_array { |
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| 22 | struct rcu_head rcu; |
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| 23 | u16 first_bucket; |
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| 24 | size_t nbuckets; |
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| 25 | struct bucket b[]; |
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| 26 | }; |
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| 27 | |
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| 28 | struct bucket_gens { |
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| 29 | struct rcu_head rcu; |
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| 30 | u16 first_bucket; |
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| 31 | size_t nbuckets; |
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| 32 | u8 b[]; |
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| 33 | }; |
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| 34 | |
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| 35 | struct bch_dev_usage { |
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| 36 | struct { |
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| 37 | u64 buckets; |
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| 38 | u64 sectors; /* _compressed_ sectors: */ |
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| 39 | /* |
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| 40 | * XXX |
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| 41 | * Why do we have this? Isn't it just buckets * bucket_size - |
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| 42 | * sectors? |
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| 43 | */ |
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| 44 | u64 fragmented; |
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| 45 | } d[BCH_DATA_NR]; |
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| 46 | }; |
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| 47 | |
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| 48 | struct bch_fs_usage_base { |
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| 49 | u64 hidden; |
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| 50 | u64 btree; |
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| 51 | u64 data; |
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| 52 | u64 cached; |
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| 53 | u64 reserved; |
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| 54 | u64 nr_inodes; |
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| 55 | }; |
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| 56 | |
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| 57 | struct bch_fs_usage { |
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| 58 | /* all fields are in units of 512 byte sectors: */ |
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| 59 | struct bch_fs_usage_base b; |
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| 60 | u64 persistent_reserved[BCH_REPLICAS_MAX]; |
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| 61 | u64 replicas[]; |
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| 62 | }; |
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| 63 | |
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| 64 | struct bch_fs_usage_online { |
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| 65 | u64 online_reserved; |
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| 66 | struct bch_fs_usage u; |
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| 67 | }; |
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| 68 | |
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| 69 | struct bch_fs_usage_short { |
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| 70 | u64 capacity; |
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| 71 | u64 used; |
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| 72 | u64 free; |
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| 73 | u64 nr_inodes; |
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| 74 | }; |
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| 75 | |
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| 76 | /* |
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| 77 | * A reservation for space on disk: |
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| 78 | */ |
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| 79 | struct disk_reservation { |
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| 80 | u64 sectors; |
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| 81 | u32 gen; |
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| 82 | unsigned nr_replicas; |
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| 83 | }; |
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| 84 | |
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| 85 | #endif /* _BUCKETS_TYPES_H */ |
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| 86 | |
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