From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=35519 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OH6uf-00075J-7t for qemu-devel@nongnu.org; Tue, 25 May 2010 23:04:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OH5Su-0004Y9-Nk for qemu-devel@nongnu.org; Tue, 25 May 2010 21:31:25 -0400 Received: from mail-vw0-f45.google.com ([209.85.212.45]:34750) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OH5Su-0004UZ-HP for qemu-devel@nongnu.org; Tue, 25 May 2010 21:31:24 -0400 Received: by vws6 with SMTP id 6so656523vws.4 for ; Tue, 25 May 2010 18:31:22 -0700 (PDT) Message-ID: <4BFC79E8.1070700@codemonkey.ws> Date: Tue, 25 May 2010 20:31:20 -0500 From: Anthony Liguori MIME-Version: 1.0 Subject: Re: [Qemu-devel] Re: [PATCH] Add cache=volatile parameter to -drive References: <1274091292-4812-1-git-send-email-agraf@suse.de> <4BF14CE9.5040907@suse.de> <4BF15DC8.8080104@codemonkey.ws> <201005171723.15675.paul@codesourcery.com> <4BF16E22.6090400@codemonkey.ws> <4BFC0FF6.1080005@suse.de> <20100525210113.GE1402@hall.aurel32.net> In-Reply-To: <20100525210113.GE1402@hall.aurel32.net> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Aurelien Jarno Cc: kwolf@redhat.com, Paul Brook , qemu-devel@nongnu.org, Alexander Graf , hch@lst.de On 05/25/2010 04:01 PM, Aurelien Jarno wrote: > > I really think this patch can be useful, in my own case when testing > debian-installer (I already cache=writeback). In short all that is about > developing and testing, as opposed to run a VM in production, can > benefit about that. This was one of the original use case of QEMU before > KVM arrived. > > Unless someone can convince me not to do it, I seriously considering > applying this patch. > There really needs to be an indication in the --help output of what the ramifications of this option are, in the very least. It should also be removable via a ./configure option because no sane distribution should enable this for end users. Regards, Anthony Liguori