Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753785AbaG3OhE (ORCPT ); Wed, 30 Jul 2014 10:37:04 -0400 Received: from mailout32.mail01.mtsvc.net ([216.70.64.70]:47416 "EHLO n23.mail01.mtsvc.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753151AbaG3OhD (ORCPT ); Wed, 30 Jul 2014 10:37:03 -0400 Message-ID: <53D90309.9070909@hurleysoftware.com> Date: Wed, 30 Jul 2014 10:36:57 -0400 From: Peter Hurley User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: "Theodore Ts'o" CC: Hugo Mills , Nick Krause , "linux-kernel@vger.kernel.org" , "linux-btrfs@vger.kernel.org" Subject: Re: Work Queue for btrfs compression writes References: <20140730093821.GJ31950@carfax.org.uk> <20140730141329.GC20353@thunk.org> In-Reply-To: <20140730141329.GC20353@thunk.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Authenticated-User: 990527 peter@hurleysoftware.com X-MT-ID: 8FA290C2A27252AACF65DBC4A42F3CE3735FB2A4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/30/2014 10:13 AM, Theodore Ts'o wrote: > On Wed, Jul 30, 2014 at 10:38:21AM +0100, Hugo Mills wrote: >> qemu/kvm is good for this, because it has a mode >> that bypasses the BIOS and bootloader emulation, and just directly >> runs a kernel from a file on the host machine. This is fast. You can >> pass large sparse files to the VM to act as scratch disks, plus keep >> another smaller file for the guest OS (and a copy of it so that you >> can throw one away and make another one quickly and easily). > > Nick, > > The xfstests-bld/kvm-xfstests git tree I pointed out to you has an > example of a test infrastructure which does this for ext4. It's been > on my todo list to support other file systems, and I have some plans > for how to do thi, but it's been low on my priority list. If someone > in the btrfs development community is interested in working with me on > this, they should contact me. Ted, Where is that git tree? I've been planning to set up a unit test and regression suite for tty/serial, and wouldn't mind cribbing the infrastructure from someone's existing work. Regards, Peter Hurley -- 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/