ufs: restore maintaining ->i_blocks

commit eb315d2ae614493fd1ebb026c75a80573d84f7ad upstream.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/stat.c b/fs/stat.c
index 2935032..068fdbc 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -454,6 +454,7 @@
 		inode->i_bytes -= 512;
 	}
 }
+EXPORT_SYMBOL(__inode_add_bytes);
 
 void inode_add_bytes(struct inode *inode, loff_t bytes)
 {