bch_write_bdev_super
void bch_write_bdev_super(struct cached_dev *dc, struct closure *parent);
bch_write_bdev_super(dc, &cl);
bch_write_bdev_super(dc, &cl);
bch_write_bdev_super(dc, NULL);
bch_write_bdev_super(dc, NULL);
bch_write_bdev_super(dc, NULL);
bch_write_bdev_super(dc, &cl);
bch_write_bdev_super(dc, NULL);