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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_REPLICAS_FORMAT_H
#define _BCACHEFS_REPLICAS_FORMAT_H
struct bch_replicas_entry_v0 {
__u8 data_type;
__u8 nr_devs;
__u8 devs[] __counted_by(nr_devs);
} __packed;
struct bch_sb_field_replicas_v0 {
struct bch_sb_field field;
struct bch_replicas_entry_v0 entries[];
} __packed __aligned(8);
struct bch_replicas_entry_v1 {
__u8 data_type;
__u8 nr_devs;
__u8 nr_required;
__u8 devs[] __counted_by(nr_devs);
} __packed;
struct bch_sb_field_replicas {
struct bch_sb_field field;
struct bch_replicas_entry_v1 entries[];
} __packed __aligned(8);
#define replicas_entry_bytes(_i) \
(offsetof(typeof(*(_i)), devs) + (_i)->nr_devs)
#define replicas_entry_add_dev(e, d) ({ \
(e)->nr_devs++; \
(e)->devs[(e)->nr_devs - 1] = (d); \
})
#endif /* _BCACHEFS_REPLICAS_FORMAT_H */
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