From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 24 Jan 2008 19:09:28 -0500 Message-Id: <200801250009.m0P09SBe010417@agora.fsl.cs.sunysb.edu> From: Erez Zadok Subject: Re: [PATCH] Fix procfs task exe symlink In-reply-to: Your message of "Wed, 23 Jan 2008 20:01:05 +0100." Sender: owner-linux-mm@kvack.org Return-Path: 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 List-ID: 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org