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ffb7c3d370
This now means "the maximum number of pointers within a bkey" - and bch_devs_list is updated to use it instead of BCH_REPLICAS_MAX, since stripes can contain more than BCH_REPLICAS_MAX pointers. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
52 lines
993 B
C
52 lines
993 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BCACHEFS_SUPER_TYPES_H
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#define _BCACHEFS_SUPER_TYPES_H
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struct bch_sb_handle {
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struct bch_sb *sb;
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struct block_device *bdev;
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struct bio *bio;
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void *holder;
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unsigned page_order;
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fmode_t mode;
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unsigned have_layout:1;
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unsigned have_bio:1;
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unsigned fs_sb:1;
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u64 seq;
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};
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struct bch_devs_mask {
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unsigned long d[BITS_TO_LONGS(BCH_SB_MEMBERS_MAX)];
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};
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struct bch_devs_list {
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u8 nr;
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u8 devs[BCH_BKEY_PTRS_MAX];
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};
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struct bch_member_cpu {
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u64 nbuckets; /* device size */
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u16 first_bucket; /* index of first bucket used */
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u16 bucket_size; /* sectors */
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u16 group;
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u8 state;
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u8 replacement;
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u8 discard;
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u8 data_allowed;
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u8 durability;
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u8 valid;
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};
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struct bch_disk_group_cpu {
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bool deleted;
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u16 parent;
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struct bch_devs_mask devs;
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};
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struct bch_disk_groups_cpu {
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struct rcu_head rcu;
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unsigned nr;
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struct bch_disk_group_cpu entries[];
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};
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#endif /* _BCACHEFS_SUPER_TYPES_H */
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