From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mailout60.mail01.mtsvc.net ([216.70.64.8]:50606 "EHLO mailout60.mail01.mtsvc.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754560AbaG3PSz (ORCPT ); Wed, 30 Jul 2014 11:18:55 -0400 Received: from mailout32.mail01.mtsvc.net ([216.70.64.70] helo=n23.mail01.mtsvc.net) by mailout60.mail01.mtsvc.net with esmtps (UNKNOWN:AES256-GCM-SHA384:256) (Exim 4.72) (envelope-from ) id 1XCV0D-0004qE-7A for linux-btrfs@vger.kernel.org; Wed, 30 Jul 2014 10:37:13 -0400 Message-ID: <53D90309.9070909@hurleysoftware.com> Date: Wed, 30 Jul 2014 10:36:57 -0400 From: Peter Hurley 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 Sender: linux-btrfs-owner@vger.kernel.org List-ID: 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