Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761673AbXJYXKk (ORCPT ); Thu, 25 Oct 2007 19:10:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761386AbXJYXKN (ORCPT ); Thu, 25 Oct 2007 19:10:13 -0400 Received: from mail-gw3.sa.ew.hu ([212.108.200.82]:47548 "EHLO mail-gw3.sa.ew.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761089AbXJYXKK (ORCPT ); Thu, 25 Oct 2007 19:10:10 -0400 To: dgc@sgi.com CC: staubach@redhat.com, akpm@linux-foundation.org, hch@infradead.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org In-reply-to: <20071025224235.GZ995458@sgi.com> (message from David Chinner on Fri, 26 Oct 2007 08:42:35 +1000) Subject: Re: [PATCH] VFS: new fgetattr() file operation References: <471F4254.9040206@redhat.com> <471F5EA2.8060203@redhat.com> <20071025224235.GZ995458@sgi.com> Message-Id: From: Miklos Szeredi Date: Fri, 26 Oct 2007 01:10:14 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1057 Lines: 30 > On Wed, Oct 24, 2007 at 05:27:04PM +0200, Miklos Szeredi wrote: > > > >> Wouldn't you be better off by attempting to implement an "open > > > >> by ino" operation and an operation to get the generation count > > > >> for the file and then modifying the network protocol of interest > > > >> to use these as identifiers for the file to be manipulated? > > > >> > > > > > > > > You mean an "open by inode" on the userspace API? My guess, it > > > > wouldn't get very far. > > > > > > This isn't a new idea and has been implemented on a variety of > > > different systems. > > > > Like? > > XFS. > > 'man open_by_handle' Doesn't seem widely used, with 600 something google hits. And in this old thread Linus is not entirely enthusiastic about the concept: http://lkml.org/lkml/1999/1/11/244 Miklos - 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/