From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49607) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UrUpO-0002yf-2c for qemu-devel@nongnu.org; Tue, 25 Jun 2013 11:06:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UrUpL-0005Uz-0z for qemu-devel@nongnu.org; Tue, 25 Jun 2013 11:06:42 -0400 Received: from mail-pb0-x234.google.com ([2607:f8b0:400e:c01::234]:51799) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UrUpK-0005Up-R9 for qemu-devel@nongnu.org; Tue, 25 Jun 2013 11:06:38 -0400 Received: by mail-pb0-f52.google.com with SMTP id xa12so12752230pbc.11 for ; Tue, 25 Jun 2013 08:06:37 -0700 (PDT) Message-ID: <51C9B1FF.8050309@inktank.com> Date: Tue, 25 Jun 2013 08:06:39 -0700 From: Josh Durgin MIME-Version: 1.0 References: <20130625113911.GD3539@dhcp-200-207.str.redhat.com> In-Reply-To: <20130625113911.GD3539@dhcp-200-207.str.redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] block: Review of .has_zero_init use List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kevin Wolf Cc: josh.durgin@dreamhost.com, tailai.ly@taobao.com, Peter Lieven , qemu-devel@nongnu.org, rjones@redhat.com, stefanha@redhat.com, bharata@linux.vnet.ibm.com, morita.kazutaka@lab.ntt.co.jp On 06/25/2013 04:39 AM, Kevin Wolf wrote: > Can you please review for the gluster, rbd, sheepdog and ssh driver > whether it's safe to assume that the image reads back as zeros after > bdrv_create? This is always safe for rbd.