extern const struct bch_sb_field_ops bch_sb_field_ops_journal;
extern const struct bch_sb_field_ops bch_sb_field_ops_journal_v2;
-int bch2_journal_buckets_to_sb(struct bch_fs *, struct bch_dev *);
+int bch2_journal_buckets_to_sb(struct bch_fs *, struct bch_dev *, u64 *, unsigned);