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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_SUPER_TYPES_H
#define _BCACHEFS_SUPER_TYPES_H
struct bch_sb_handle {
struct bch_sb *sb;
struct block_device *bdev;
struct bio *bio;
void *holder;
unsigned page_order;
fmode_t mode;
unsigned have_layout:1;
unsigned have_bio:1;
unsigned fs_sb:1;
};
struct bch_devs_mask {
unsigned long d[BITS_TO_LONGS(BCH_SB_MEMBERS_MAX)];
};
struct bch_devs_list {
u8 nr;
u8 devs[BCH_REPLICAS_MAX + 1];
};
struct bch_member_cpu {
u64 nbuckets; /* device size */
u16 first_bucket; /* index of first bucket used */
u16 bucket_size; /* sectors */
u16 group;
u8 state;
u8 replacement;
u8 discard;
u8 data_allowed;
u8 durability;
u8 valid;
};
struct bch_replicas_cpu_entry {
u8 data_type;
u8 devs[BCH_SB_MEMBERS_MAX / 8];
};
struct bch_replicas_cpu {
struct rcu_head rcu;
unsigned nr;
unsigned entry_size;
struct bch_replicas_cpu_entry entries[];
};
struct bch_disk_group_cpu {
bool deleted;
u16 parent;
struct bch_devs_mask devs;
};
struct bch_disk_groups_cpu {
struct rcu_head rcu;
unsigned nr;
struct bch_disk_group_cpu entries[];
};
#endif /* _BCACHEFS_SUPER_TYPES_H */
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