1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BCACHEFS_REPLICAS_FORMAT_H
3 #define _BCACHEFS_REPLICAS_FORMAT_H
4
5 struct bch_replicas_entry_v0 {
6 __u8 data_type;
7 __u8 nr_devs;
8 __u8 devs[];
9 } __packed;
10
11 struct bch_sb_field_replicas_v0 {
12 struct bch_sb_field field;
13 struct bch_replicas_entry_v0 entries[];
14 } __packed __aligned(8);
15
16 struct bch_replicas_entry_v1 {
17 __u8 data_type;
18 __u8 nr_devs;
19 __u8 nr_required;
20 __u8 devs[];
21 } __packed;
22
23 struct bch_sb_field_replicas {
24 struct bch_sb_field field;
25 struct bch_replicas_entry_v1 entries[];
26 } __packed __aligned(8);
27
28 #define replicas_entry_bytes(_i) \
29 (offsetof(typeof(*(_i)), devs) + (_i)->nr_devs)
30
31 #endif /* _BCACHEFS_REPLICAS_FORMAT_H */
32
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