746 static ssize_t gfs2_file_direct_read(struct kiocb *iocb, struct iov_iter *to)  in gfs2_file_direct_read()  argument
748 	struct file *file = iocb->ki_filp;  in gfs2_file_direct_read()
762 	ret = iomap_dio_rw(iocb, to, &gfs2_iomap_ops, NULL);  in gfs2_file_direct_read()
770 static ssize_t gfs2_file_direct_write(struct kiocb *iocb, struct iov_iter *from)  in gfs2_file_direct_write()  argument
772 	struct file *file = iocb->ki_filp;  in gfs2_file_direct_write()
776 	loff_t offset = iocb->ki_pos;  in gfs2_file_direct_write()
797 	ret = iomap_dio_rw(iocb, from, &gfs2_iomap_ops, NULL);  in gfs2_file_direct_write()
806 static ssize_t gfs2_file_read_iter(struct kiocb *iocb, struct iov_iter *to)  in gfs2_file_read_iter()  argument
810 	if (iocb->ki_flags & IOCB_DIRECT) {  in gfs2_file_read_iter()
811 		ret = gfs2_file_direct_read(iocb, to);  in gfs2_file_read_iter()
814 		iocb->ki_flags &= ~IOCB_DIRECT;  in gfs2_file_read_iter()
816 	return generic_file_read_iter(iocb, to);  in gfs2_file_read_iter()
831 static ssize_t gfs2_file_write_iter(struct kiocb *iocb, struct iov_iter *from)  in gfs2_file_write_iter()  argument
833 	struct file *file = iocb->ki_filp;  in gfs2_file_write_iter()
842 	gfs2_size_hint(file, iocb->ki_pos, iov_iter_count(from));  in gfs2_file_write_iter()
844 	if (iocb->ki_flags & IOCB_APPEND) {  in gfs2_file_write_iter()
854 	ret = generic_write_checks(iocb, from);  in gfs2_file_write_iter()
869 	if (iocb->ki_flags & IOCB_DIRECT) {  in gfs2_file_write_iter()
874 		written = gfs2_file_direct_write(iocb, from);  in gfs2_file_write_iter()
878 		ret = iomap_file_buffered_write(iocb, from, &gfs2_iomap_ops);  in gfs2_file_write_iter()
888 		pos = iocb->ki_pos;  in gfs2_file_write_iter()
892 			iocb->ki_pos += buffered;  in gfs2_file_write_iter()
904 		ret = iomap_file_buffered_write(iocb, from, &gfs2_iomap_ops);  in gfs2_file_write_iter()
906 			iocb->ki_pos += ret;  in gfs2_file_write_iter()
915 		ret = generic_write_sync(iocb, ret);  in gfs2_file_write_iter()