Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753584AbZDERPi (ORCPT ); Sun, 5 Apr 2009 13:15:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752349AbZDERPQ (ORCPT ); Sun, 5 Apr 2009 13:15:16 -0400 Received: from rtr.ca ([76.10.145.34]:40104 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753172AbZDERPO (ORCPT ); Sun, 5 Apr 2009 13:15:14 -0400 Message-ID: <49D8E71F.6000703@rtr.ca> Date: Sun, 05 Apr 2009 13:15:11 -0400 From: Mark Lord Organization: Real-Time Remedies Inc. User-Agent: Thunderbird 2.0.0.21 (X11/20090318) MIME-Version: 1.0 To: Linus Torvalds Cc: Theodore Tso , Arjan van de Ven , Jens Axboe , Linux Kernel Developers List , Ext4 Developers List Subject: Re: [GIT PULL] Ext3 latency fixes References: <20090404135719.GA9812@mit.edu> <20090404151649.GE5178@kernel.dk> <20090404173412.GF5178@kernel.dk> <20090404180108.GH5178@kernel.dk> <20090404232222.GA7480@mit.edu> <20090404163349.20df1208@infradead.org> <20090405001005.GA7553@mit.edu> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 759 Lines: 22 Linus Torvalds wrote: > > Non-rotational media would tend to want the unplugging, but the block > layer already does that (ie in __make_request() we already do: > > if (unplug || blk_queue_nonrot(q)) > __generic_unplug_device(q); > > so non-rotational devices get unplugged whether the request was a > unplugging request or not). .. Mmm.. except that Jeff's SSD doesn't appear to identify itself as a non-rotating media. I suppose there's a way to "quirk" that somewhere, though. :/ -- 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/