switch simple generic_file_aio_read() users to ->read_iter()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 6e8d65e..cfb607a 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -284,8 +284,8 @@
 #endif
 
 static const struct file_operations raw_fops = {
-	.read		= do_sync_read,
-	.aio_read	= generic_file_aio_read,
+	.read		= new_sync_read,
+	.read_iter	= generic_file_read_iter,
 	.write		= do_sync_write,
 	.aio_write	= blkdev_aio_write,
 	.fsync		= blkdev_fsync,