From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LRX05-0002KW-Ab for qemu-devel@nongnu.org; Mon, 26 Jan 2009 14:20:01 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LRX04-0002K8-Qr for qemu-devel@nongnu.org; Mon, 26 Jan 2009 14:20:01 -0500 Received: from [199.232.76.173] (port=44204 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LRX04-0002Je-KY for qemu-devel@nongnu.org; Mon, 26 Jan 2009 14:20:00 -0500 Received: from e34.co.us.ibm.com ([32.97.110.152]:36620) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LRV6O-0005BI-F9 for qemu-devel@nongnu.org; Mon, 26 Jan 2009 12:18:24 -0500 Received: from d03relay02.boulder.ibm.com (d03relay02.boulder.ibm.com [9.17.195.227]) by e34.co.us.ibm.com (8.13.1/8.13.1) with ESMTP id n0QHGwvp026732 for ; Mon, 26 Jan 2009 10:16:58 -0700 Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d03relay02.boulder.ibm.com (8.13.8/8.13.8/NCO v9.1) with ESMTP id n0QHICc4164956 for ; Mon, 26 Jan 2009 10:18:17 -0700 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n0QHICDp002347 for ; Mon, 26 Jan 2009 10:18:12 -0700 Received: from squirrel.codemonkey.ws (sig-9-65-32-74.mts.ibm.com [9.65.32.74]) by d03av01.boulder.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id n0QHICDB002332 for ; Mon, 26 Jan 2009 10:18:12 -0700 Message-ID: <497DF048.8030802@us.ibm.com> Date: Mon, 26 Jan 2009 11:18:00 -0600 From: Anthony Liguori MIME-Version: 1.0 Subject: Re: [Qemu-devel] [patch] qemu iovec: keep track of total size, allow partial copies. References: <4979B48A.2070003@redhat.com> In-Reply-To: <4979B48A.2070003@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 Gerd Hoffmann wrote: > Hi, > > Keeping track of the total size is trivial for the helpers, and it > allows buffer allocation without looping over the iovec once. > > qemu_iovec_from_buffer got a length parameter (number of bytes to copy) > so we can handle partial reads correctly. > Applied. Thanks. Regards, Anthony Liguori > cheers, > Gerd >