From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LZ6XL-0007xT-Nx for qemu-devel@nongnu.org; Mon, 16 Feb 2009 11:41:40 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LZ6XK-0007wz-3S for qemu-devel@nongnu.org; Mon, 16 Feb 2009 11:41:39 -0500 Received: from [199.232.76.173] (port=52336 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LZ6XJ-0007ww-V1 for qemu-devel@nongnu.org; Mon, 16 Feb 2009 11:41:37 -0500 Received: from mail-fx0-f20.google.com ([209.85.220.20]:42936) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1LZ6XJ-0002my-7N for qemu-devel@nongnu.org; Mon, 16 Feb 2009 11:41:37 -0500 Received: by fxm13 with SMTP id 13so6318244fxm.10 for ; Mon, 16 Feb 2009 08:41:35 -0800 (PST) Message-ID: <49999711.5060102@codemonkey.ws> Date: Mon, 16 Feb 2009 10:40:49 -0600 From: Anthony Liguori MIME-Version: 1.0 Subject: Re: [Qemu-devel] Re: [RESEND][PATCH 1/2] Introducing qcow2 extensions + keep backing file format References: <1234234344-16325-1-git-send-email-uril@redhat.com> <1234234344-16325-2-git-send-email-uril@redhat.com> <499986FB.8090601@us.ibm.com> <49998F3B.1030600@redhat.com> In-Reply-To: <49998F3B.1030600@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Anthony Liguori Uri Lublin wrote: > Anthony Liguori wrote: >> Uri Lublin wrote: > >> Can't a backing file name start immediately after the header? > It can. In that case the search will be over immediately, > since start_offset == end_offset (end-of-qcow2-header == > offset-of-backing-file-name). Okay, that makes more sense. It's obvious now but for some reason, I just wasn't thinking of that. Regards, Anthony Liguori > Thanks, > Uri. > >