bch_count_backing_io_errors
void bch_count_backing_io_errors(struct cached_dev *dc, struct bio *bio);
bch_count_backing_io_errors(dc, bio);
bch_count_backing_io_errors(dc, bio);
bch_count_backing_io_errors(dc, bio);
bch_count_backing_io_errors(io->dc, bio);