NFS: Convert cache_change_attribute into a jiffy-based value

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 8120fd6..abf890f 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -280,7 +280,7 @@
 static inline int nfs_verify_change_attribute(struct inode *inode, unsigned long chattr)
 {
 	return !nfs_caches_unstable(inode)
-		&& chattr == NFS_I(inode)->cache_change_attribute;
+		&& time_after_eq(chattr, NFS_I(inode)->cache_change_attribute);
 }
 
 /*