From patchwork Thu Mar 21 09:09:24 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Orit Wasserman X-Patchwork-Id: 229611 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 143B72C00BF for ; Thu, 21 Mar 2013 20:56:19 +1100 (EST) Received: from localhost ([::1]:33772 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UIbWh-0000vg-TY for incoming@patchwork.ozlabs.org; Thu, 21 Mar 2013 05:11:11 -0400 Received: from eggs.gnu.org ([208.118.235.92]:59775) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UIbUg-00073H-Do for qemu-devel@nongnu.org; Thu, 21 Mar 2013 05:09:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UIbUe-0005cL-JP for qemu-devel@nongnu.org; Thu, 21 Mar 2013 05:09:06 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51922) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UIbUe-0005cF-Bo for qemu-devel@nongnu.org; Thu, 21 Mar 2013 05:09:04 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r2L992kV004737 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Thu, 21 Mar 2013 05:09:02 -0400 Received: from dhcp-1-120.tlv.redhat.com (vpn-200-38.tlv.redhat.com [10.35.200.38]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id r2L98Z4H016557; Thu, 21 Mar 2013 05:09:00 -0400 From: Orit Wasserman To: qemu-devel@nongnu.org Date: Thu, 21 Mar 2013 11:09:24 +0200 Message-Id: <1363856971-4601-6-git-send-email-owasserm@redhat.com> In-Reply-To: <1363856971-4601-1-git-send-email-owasserm@redhat.com> References: <1363856971-4601-1-git-send-email-owasserm@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Orit Wasserman , pbonzini@redhat.com, mst@redhat.com, chegu_vinod@hp.com, quintela@redhat.com Subject: [Qemu-devel] [RFC 05/12] Add block_writev_buffer function X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Orit Wasserman --- savevm.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/savevm.c b/savevm.c index fa07a86..2c8fb03 100644 --- a/savevm.c +++ b/savevm.c @@ -459,6 +459,18 @@ fail: return NULL; } +static int block_writev_buffer(void *opaque, struct iovec *iov, int iovcnt) +{ + int i; + int size = 0; + + for (i = 0; i < iovcnt; i++) { + bdrv_save_vmstate(opaque, iov[i].iov_base, 0, iov[i].iov_len); + size += iov[i].iov_len; + } + return size; +} + static int block_put_buffer(void *opaque, const uint8_t *buf, int64_t pos, int size) { @@ -483,6 +495,7 @@ static const QEMUFileOps bdrv_read_ops = { static const QEMUFileOps bdrv_write_ops = { .put_buffer = block_put_buffer, + .writev_buffer = block_writev_buffer, .close = bdrv_fclose };