--- linux-2.4.19-pre10/fs/nfs/inode.c.orig	Tue Mar 12 16:35:02 2002
+++ linux-2.4.19-pre10/fs/nfs/inode.c	Fri Jun  7 14:57:08 2002
@@ -1059,7 +1059,8 @@
 	inode->i_atime = new_atime;
 
 	if (NFS_CACHE_MTIME(inode) != new_mtime) {
-		NFS_MTIME_UPDATE(inode) = jiffies;
+		if (invalid)
+			NFS_MTIME_UPDATE(inode) = jiffies;
 		NFS_CACHE_MTIME(inode) = new_mtime;
 		inode->i_mtime = nfs_time_to_secs(new_mtime);
 	}