nfs: switch to ->read_iter()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index 8de3407..37a998c 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -118,9 +118,9 @@
 
 const struct file_operations nfs4_file_operations = {
 	.llseek		= nfs_file_llseek,
-	.read		= do_sync_read,
+	.read		= new_sync_read,
 	.write		= do_sync_write,
-	.aio_read	= nfs_file_read,
+	.read_iter	= nfs_file_read,
 	.aio_write	= nfs_file_write,
 	.mmap		= nfs_file_mmap,
 	.open		= nfs4_file_open,