Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264912AbUF1Llg (ORCPT ); Mon, 28 Jun 2004 07:41:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264914AbUF1Llg (ORCPT ); Mon, 28 Jun 2004 07:41:36 -0400 Received: from mail.fh-wedel.de ([213.39.232.194]:21683 "EHLO mail.fh-wedel.de") by vger.kernel.org with ESMTP id S264912AbUF1Lle (ORCPT ); Mon, 28 Jun 2004 07:41:34 -0400 Date: Mon, 28 Jun 2004 13:41:03 +0200 From: =?iso-8859-1?Q?J=F6rn?= Engel To: Trond Myklebust Cc: Alexander Viro , Alexander Nyberg , linux-kernel@vger.kernel.org, Pavel Machek Subject: Re: [PATCH] A generic_file_sendpage() Message-ID: <20040628114103.GB1010@wohnheim.fh-wedel.de> References: <20040608154438.GK18083@dualathlon.random> <20040608193621.GA12780@holomorphy.com> <1086783559.1194.24.camel@boxen> <20040625191924.GA8656@wohnheim.fh-wedel.de> <20040625194611.GQ12308@parcelfarce.linux.theplanet.co.uk> <20040625200342.GE8656@wohnheim.fh-wedel.de> <1088211213.9740.16.camel@lade.trondhjem.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1088211213.9740.16.camel@lade.trondhjem.org> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1257 Lines: 34 On Fri, 25 June 2004 20:53:34 -0400, Trond Myklebust wrote: > P? fr , 25/06/2004 klokka 16:03, skreiv J?rn Engel: > > Not sure. NFSv3 appears to be fixable, the only context is the UID, > > Huh???? WTF happened to the actual credential? No idea, I couldn't find it in the source. > > which happens to be stored in the inode as well. NFSv4 and cifs could > > be worse, I didn't look closely yet. smbfs accesses the dentry, which > > has similar effects, but should be fixable as well. > > > > Do you know of any impossible cases? > > NFS, CIFS, all other networked filesystems that need private context > information beyond what is contained in the struct file. Why? Darn! I need to copy an inode. Currently, I'm opening a two files, copy between them and close them again. Open and close are completely pointless and only complicate things. The fun part is that cifs would actually benifit from the same things it complicates. Oh well. J?rn -- Geld macht nicht gl?cklich. Gl?ck macht nicht satt. - 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/