From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265085AbUEYTrZ (ORCPT ); Tue, 25 May 2004 15:47:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265082AbUEYTrY (ORCPT ); Tue, 25 May 2004 15:47:24 -0400 Received: from chaos.analogic.com ([204.178.40.224]:7040 "EHLO chaos.analogic.com") by vger.kernel.org with ESMTP id S265080AbUEYTol (ORCPT ); Tue, 25 May 2004 15:44:41 -0400 Date: Tue, 25 May 2004 15:44:37 -0400 (EDT) From: "Richard B. Johnson" X-X-Sender: root@chaos Reply-To: root@chaos.analogic.com To: Olaf Hering cc: linux-kernel@vger.kernel.org Subject: Re: very low performance on SCSI disks if device node is in tmpfs In-Reply-To: <20040525193458.GA21120@suse.de> Message-ID: References: <20040525184732.GB26661@suse.de> <20040525193458.GA21120@suse.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 25 May 2004, Olaf Hering wrote: > On Tue, May 25, Richard B. Johnson wrote unrelated stuff: > It is not unrelated stuff. If you think it is, you will come to an incorrect conclusion with your experiments. As I stated, you are not actually communicating with a device-file except for the initial open(). > did you actually try it? > [SNIPPED... unrelated access time information] Cheers, Dick Johnson Penguin : Linux version 2.4.26 on an i686 machine (5570.56 BogoMips). Note 96.31% of all statistics are fiction.