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 10 struct 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 22 struct 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 30 struct 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 43 struct 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 52 struct 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 */ 62 struct disk_reservation { 63 u64 sectors; 64 u32 gen; 65 unsigned nr_replicas; 66 }; 67 68 #endif /* _BUCKETS_TYPES_H */ 69