int bch2_sb_clean_validate_late(struct bch_fs *, struct bch_sb_field_clean *, int);
+void bch2_sb_maybe_downgrade(struct bch_fs *);
+void bch2_sb_upgrade(struct bch_fs *, unsigned);
+
int bch2_fs_mark_dirty(struct bch_fs *);
void bch2_fs_mark_clean(struct bch_fs *);