Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937316AbWLDTgP (ORCPT ); Mon, 4 Dec 2006 14:36:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759457AbWLDTgP (ORCPT ); Mon, 4 Dec 2006 14:36:15 -0500 Received: from smtp.osdl.org ([65.172.181.25]:59746 "EHLO smtp.osdl.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759442AbWLDTgO (ORCPT ); Mon, 4 Dec 2006 14:36:14 -0500 Date: Mon, 4 Dec 2006 11:36:09 -0800 From: Andrew Morton To: "Chen, Kenneth W" Cc: "'Zach Brown'" , "linux-kernel" Subject: Re: [patch] remove redundant iov segment check Message-Id: <20061204113609.753069b9.akpm@osdl.org> In-Reply-To: <000001c717c0$f82b5ea0$2589030a@amr.corp.intel.com> References: <000001c717c0$f82b5ea0$2589030a@amr.corp.intel.com> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.6; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 886 Lines: 21 On Mon, 4 Dec 2006 08:26:36 -0800 "Chen, Kenneth W" wrote: > So it's not possible to call down to generic_file_aio_read/write with invalid > iov segment. Patch proposed to delete these redundant code. erp, please don't touch that code. The writev deadlock fixes which went into 2.6.17 trashed writev() performance and Nick and I are slowly trying to get it back, while fixing the has-been-there-forever pagefault-in-write() deadlock. This is all proving very hard to do, and we don't need sweeping code cleanups happening under our feet ;) I'll bring those patches back in next -mm, but not very confidently. - 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/