384 static ssize_t zonefs_file_dio_append(struct kiocb *iocb, struct iov_iter *from)  in zonefs_file_dio_append()  argument
397 	iov_iter_truncate(from, max);  in zonefs_file_dio_append()
408 	end = (iocb->ki_pos + iov_iter_count(from) - 1) >> PAGE_SHIFT;  in zonefs_file_dio_append()
412 	nr_pages = iov_iter_npages(from, BIO_MAX_VECS);  in zonefs_file_dio_append()
423 	ret = bio_iov_iter_get_pages(bio, from);  in zonefs_file_dio_append()
497 static ssize_t zonefs_write_checks(struct kiocb *iocb, struct iov_iter *from)  in zonefs_write_checks()  argument
508 	if (!iov_iter_count(from))  in zonefs_write_checks()
523 					  iov_iter_count(from));  in zonefs_write_checks()
527 	iov_iter_truncate(from, count);  in zonefs_write_checks()
528 	return iov_iter_count(from);  in zonefs_write_checks()
541 static ssize_t zonefs_file_dio_write(struct kiocb *iocb, struct iov_iter *from)  in zonefs_file_dio_write()  argument
566 	count = zonefs_write_checks(iocb, from);  in zonefs_file_dio_write()
598 		ret = zonefs_file_dio_append(iocb, from);  in zonefs_file_dio_write()
606 		ret = iomap_dio_rw(iocb, from, &zonefs_write_iomap_ops,  in zonefs_file_dio_write()
634 					  struct iov_iter *from)  in zonefs_file_buffered_write()  argument
653 	ret = zonefs_write_checks(iocb, from);  in zonefs_file_buffered_write()
657 	ret = iomap_file_buffered_write(iocb, from, &zonefs_write_iomap_ops);  in zonefs_file_buffered_write()
671 static ssize_t zonefs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)  in zonefs_file_write_iter()  argument
687 		ssize_t ret = zonefs_file_dio_write(iocb, from);  in zonefs_file_write_iter()
693 	return zonefs_file_buffered_write(iocb, from);  in zonefs_file_write_iter()