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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 */