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/* 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 {
u8 lock;
u8 gen_valid:1;
u8 data_type:7;
u8 gen;
u8 stripe_redundancy;
u32 stripe;
u32 dirty_sectors;
u32 cached_sectors;
};
struct bucket_array {
struct rcu_head rcu;
u16 first_bucket;
size_t nbuckets;
struct bucket b[];
};
struct bucket_gens {
struct rcu_head rcu;
u16 first_bucket;
size_t nbuckets;
u8 b[];
};
struct bch_dev_usage {
struct {
u64 buckets;
u64 sectors; /* _compressed_ sectors: */
/*
* XXX
* Why do we have this? Isn't it just buckets * bucket_size -
* sectors?
*/
u64 fragmented;
} d[BCH_DATA_NR];
};
struct bch_fs_usage {
/* all fields are in units of 512 byte sectors: */
u64 hidden;
u64 btree;
u64 data;
u64 cached;
u64 reserved;
u64 nr_inodes;
/* XXX: add stats for compression ratio */
#if 0
u64 uncompressed;
u64 compressed;
#endif
/* broken out: */
u64 persistent_reserved[BCH_REPLICAS_MAX];
u64 replicas[];
};
struct bch_fs_usage_online {
u64 online_reserved;
struct bch_fs_usage u;
};
struct bch_fs_usage_short {
u64 capacity;
u64 used;
u64 free;
u64 nr_inodes;
};
/*
* A reservation for space on disk:
*/
struct disk_reservation {
u64 sectors;
u32 gen;
unsigned nr_replicas;
};
#endif /* _BUCKETS_TYPES_H */
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