Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262792AbTKEKW5 (ORCPT ); Wed, 5 Nov 2003 05:22:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262790AbTKEKW5 (ORCPT ); Wed, 5 Nov 2003 05:22:57 -0500 Received: from pat.uio.no ([129.240.130.16]:58519 "EHLO pat.uio.no") by vger.kernel.org with ESMTP id S262792AbTKEKWz (ORCPT ); Wed, 5 Nov 2003 05:22:55 -0500 From: Terje Malmedal To: sfr@canb.auug.org.au CC: linux-kernel@vger.kernel.org In-reply-to: <20031105131509.23d38c58.sfr@canb.auug.org.au> (message from Stephen Rothwell on Wed, 5 Nov 2003 13:15:09 +1100) Subject: Re: directory notification. MIME-Version: 1.0 Message-Id: Date: Wed, 5 Nov 2003 11:22:49 +0100 X-MailScanner-Information: This message has been scanned for viruses/spam. Contact postmaster@uio.no if you have questions about this scanning. X-UiO-MailScanner: No virus found Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1539 Lines: 45 [Stephen Rothwell] > On Tue, 4 Nov 2003 18:44:29 +0100 Terje Malmedal wrote: >> >> Modifications of existing files via NFS are not picked up by the >> directory notification system. >> >> kernel is 2.4.22, I'm testing with the example program from >> /usr/src/linux/Documentation/dnotify.txt >> >> I get notifications on the following: >> nfs-server# echo hello >> existing.file >> nfs-client# echo hello > new.file >> >> But not on this: >> nfs-client# echo hello >> existing.file >> >> I guess the problem of detecting changes done via NFS is similar to >> the problem of multiple hard-links to the same file, which is >> documented as not supported. >> >> Is this something that can be fixed, or is it going to be too >> difficult to go from NFS-handle and back to the directory it came >> from? > Are you running the program that expects notifies on the NFS server or the > client? On the server of course. > If on the client, you will never get notifies for modifications > made on the server or other clients. If on the server, it needs looking > at as you should get the notifies (I think - it has been a while since I > last looked at the NFS server code). It would be very nice if this could be fixed. -- - Terje malmedal@usit.uio.no - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/