Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760950AbYGOBbZ (ORCPT ); Mon, 14 Jul 2008 21:31:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756506AbYGOBbQ (ORCPT ); Mon, 14 Jul 2008 21:31:16 -0400 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:53248 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1754616AbYGOBbP (ORCPT ); Mon, 14 Jul 2008 21:31:15 -0400 Date: Mon, 14 Jul 2008 18:31:16 -0700 (PDT) Message-Id: <20080714.183116.121978835.davem@davemloft.net> To: mpatocka@redhat.com Cc: andi@firstfloor.org, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, jens.axboe@oracle.com Subject: Re: [SUGGESTION]: drop virtual merge accounting in I/O requests From: David Miller In-Reply-To: References: <20080714.143751.266098047.davem@davemloft.net> X-Mailer: Mew version 5.2 on Emacs 22.1 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 698 Lines: 16 From: Mikulas Patocka Date: Mon, 14 Jul 2008 19:16:17 -0400 (EDT) > So the question is: to reduce number of requests by 12% on an outdated > SCSI card, it is sensible to maintain complicated merge accounting logic > in the core block layer? To me, it doesn't seem sensible. Rip out the code if you like, then. I really don't have time to work on this myself. So if you do, by all means do whatever you think is appropriate. -- 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/