switch udf to simple_fsync()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/udf/file.c b/fs/udf/file.c
index eb91f3b..7464305 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -209,7 +209,7 @@
 	.write			= do_sync_write,
 	.aio_write		= udf_file_aio_write,
 	.release		= udf_release_file,
-	.fsync			= udf_fsync_file,
+	.fsync			= simple_fsync,
 	.splice_read		= generic_file_splice_read,
 	.llseek			= generic_file_llseek,
 };