From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262665AbTIHQJf (ORCPT ); Mon, 8 Sep 2003 12:09:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262690AbTIHQJf (ORCPT ); Mon, 8 Sep 2003 12:09:35 -0400 Received: from ns.virtualhost.dk ([195.184.98.160]:53918 "EHLO virtualhost.dk") by vger.kernel.org with ESMTP id S262665AbTIHQJd (ORCPT ); Mon, 8 Sep 2003 12:09:33 -0400 Date: Mon, 8 Sep 2003 18:09:39 +0200 From: Jens Axboe To: Oleg Drokin Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, jdike@addtoit.com Subject: Re: Fix noop elevator request merging (in current 2.5 bk) Message-ID: <20030908160939.GA31932@suse.de> References: <20030908152915.GA29554@namesys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030908152915.GA29554@namesys.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 08 2003, Oleg Drokin wrote: > Hello! > > This patch is required otherwise in case if elv_try_last_merge > returns nonzero, we do not initialise *req, and subsequent BUG_ON() > in __make_request() will dies because req is NULL (or is just > uninitialised). This stopped my UBD devices to work, that's how I > noticed ;) Thanks, patch looks good. -- Jens Axboe