Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932407AbWIZSXt (ORCPT ); Tue, 26 Sep 2006 14:23:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932406AbWIZSXt (ORCPT ); Tue, 26 Sep 2006 14:23:49 -0400 Received: from palinux.external.hp.com ([192.25.206.14]:49638 "EHLO mail.parisc-linux.org") by vger.kernel.org with ESMTP id S932398AbWIZSXs (ORCPT ); Tue, 26 Sep 2006 14:23:48 -0400 Date: Tue, 26 Sep 2006 12:23:47 -0600 From: Matthew Wilcox To: Andrew Morton Cc: Martin Peschke , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org Subject: Re: [Patch] SCSI I/O statistics Message-ID: <20060926182347.GH5017@parisc-linux.org> References: <1159286194.2925.5.camel@dyn-9-152-230-71.boeblingen.de.ibm.com> <20060926103930.471b75a5.akpm@osdl.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060926103930.471b75a5.akpm@osdl.org> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 598 Lines: 11 On Tue, Sep 26, 2006 at 10:39:30AM -0700, Andrew Morton wrote: > - Should it have been done at the block layer rather than at the scsi layer? This was already mentioned when he sent it to linux-scsi a few days ago. There are scsi commands which bypass the block layer, such as SG_IO, and block layer stats can make an extremely busy disc look not busy. - 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/