Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752649AbYAYAKj (ORCPT ); Thu, 24 Jan 2008 19:10:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751158AbYAYAKb (ORCPT ); Thu, 24 Jan 2008 19:10:31 -0500 Received: from filer.fsl.cs.sunysb.edu ([130.245.126.2]:52476 "EHLO filer.fsl.cs.sunysb.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751130AbYAYAKa (ORCPT ); Thu, 24 Jan 2008 19:10:30 -0500 Date: Thu, 24 Jan 2008 19:09:28 -0500 Message-Id: <200801250009.m0P09SBe010417@agora.fsl.cs.sunysb.edu> From: Erez Zadok To: Jan Engelhardt Cc: Matt Helsley , Andrew Morton , LKML , linux-mm , Al Viro , David Howells , William H Taber , William Cesar de Oliveira , Richard Kissel , Christoph Hellwig Subject: Re: [PATCH] Fix procfs task exe symlink In-reply-to: Your message of "Wed, 23 Jan 2008 20:01:05 +0100." X-MailKey: Erez_Zadok Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 981 Lines: 22 In message , Jan Engelhardt writes: > > On Jan 23 2008 10:29, Matt Helsley wrote: > > > >For executables on the stackable MVFS filesystem the current procfs > >methods for implementing a task's exe symlink do not point to the > >correct file and applications relying on the symlink fail (see the > >java example below). > > This reminds me of unoionfs - it also had this issue, but IIRC, > it eventually got solved. (Should now display /union/exe rather > than /lowerlevel/exe.) Unionfs developers should know more. Unionfs resolved this by fully implementing the address_space ops, as well as ->mmap (i.e., one cannot "cheat" and inherit the lower address_space). Erez. -- 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/