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

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 256cd19..9192127 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -51,8 +51,8 @@
 {
 	.llseek =	generic_file_llseek,
 	.open =		generic_file_open,
- 	.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,
 	.unlocked_ioctl=jffs2_ioctl,