Only in cdemu-0.6_beta: .tmp_versions
diff -ru cdemu-0.6_beta.orig/cdemu.c cdemu-0.6_beta/cdemu.c
--- cdemu-0.6_beta.orig/cdemu.c	2004-03-10 14:10:06.000000000 -0500
+++ cdemu-0.6_beta/cdemu.c	2004-11-28 22:22:16.387976272 -0500
@@ -157,12 +157,20 @@
 		size = count;
 
 	kaddr = kmap(page);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,7)
+	memcpy(desc->arg.buf, kaddr + offset, size);
+#else
 	memcpy(desc->buf, kaddr + offset, size);
+#endif
 	kunmap(page);
 
 	desc->count = count - size;
 	desc->written += size;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,7)
+	desc->arg.buf += size;
+#else
 	desc->buf += size;
+#endif
 	return size;
 }
 
@@ -209,7 +217,11 @@
 	position = startposition + offset + sec_offset * 512;
 	desc.written = 0;
 	desc.count = 512 * req->current_nr_sectors;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,7)
+	desc.arg.buf = req->buffer;
+#else
 	desc.buf = req->buffer;
+#endif
 	desc.error = 0;
 	printk_debug("cdemu_transfer: do_generic_file_read(position=%08x, count=%08x)\n", (unsigned int) position, desc.count);
 	do_generic_file_read(vc->backing_file, &position, &desc, cdemu_read_actor);
@@ -702,7 +714,11 @@
 		&& inode->i_bdev->bd_disk \
 		&& inode->i_bdev->bd_disk->private_data) {
 		struct cdemu_device *vc = (struct cdemu_device *)inode->i_bdev->bd_disk->private_data;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,7)
+		return cdrom_ioctl(file,&vc->info, inode, cmd, arg);
+#else
 		return cdrom_ioctl(&vc->info, inode, cmd, arg);
+#endif
 	}
 
 	printk_debug("cdemu_block_ioctl: end\n");