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

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index 67c1a61..bacb478 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -197,8 +197,8 @@
 const struct file_operations hpfs_file_ops =
 {
 	.llseek		= generic_file_llseek,
-	.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	= generic_file_aio_write,
 	.mmap		= generic_file_mmap,