From patchwork Thu Aug 2 10:16:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benoit Canet X-Patchwork-Id: 174715 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 20C922C0096 for ; Thu, 2 Aug 2012 20:18:43 +1000 (EST) Received: from localhost ([::1]:37670 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SwsUL-00016A-5P for incoming@patchwork.ozlabs.org; Thu, 02 Aug 2012 06:18:41 -0400 Received: from eggs.gnu.org ([208.118.235.92]:36576) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SwsSx-0006hD-Pv for qemu-devel@nongnu.org; Thu, 02 Aug 2012 06:17:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SwsSt-00040O-K7 for qemu-devel@nongnu.org; Thu, 02 Aug 2012 06:17:15 -0400 Received: from mail-we0-f173.google.com ([74.125.82.173]:57525) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SwsSt-0003xy-E0 for qemu-devel@nongnu.org; Thu, 02 Aug 2012 06:17:11 -0400 Received: by mail-we0-f173.google.com with SMTP id z53so5687350wey.4 for ; Thu, 02 Aug 2012 03:17:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=v4GTvkkzdEUHT8NG99DNoqdtMod1Uhb4p/jLm5VcC6s=; b=0MGRIawRcPVUyL6sPNzruQlQbDSEG1Ta4cyBY7xz/zHrhPrvcdMiVRyDvqa2JbbgSq bHHMiZj5AlTR5orNSnVv+jYrlMC1VtZPLiRz2fXgdBOaTlTFYPXirR2dOcvWXTqQQKPm sJAqfX/OHmm1Vr7qGaoWUcuGuF+A8diQd2kL2G3XlOY0TnKBXjhm5VrlCpVqTLXA+CUP FupanVc8C1dfVDdSwp0QMHa9jXWLtuOam7PossVFmw74JwY+ax6lynrZ8bx6AWKdeqLz uBebY3x8K0Rpn4pKyId8Lwq7u7wlEzBHmTMj41KhTo1JzEwMiK5Ca265xom9k1r1hVxE K1dg== Received: by 10.216.232.204 with SMTP id n54mr11059467weq.182.1343902631014; Thu, 02 Aug 2012 03:17:11 -0700 (PDT) Received: from Laure.box.in.irqsave.net (paradis.irqsave.net. [109.190.18.76]) by mx.google.com with ESMTPS id bc2sm16181243wib.0.2012.08.02.03.17.09 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 02 Aug 2012 03:17:10 -0700 (PDT) From: "=?UTF-8?q?Beno=C3=AEt=20Canet?=" To: qemu-devel@nongnu.org Date: Thu, 2 Aug 2012 12:16:41 +0200 Message-Id: <1343902604-13981-10-git-send-email-benoit@irqsave.net> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1343902604-13981-1-git-send-email-benoit@irqsave.net> References: <1343902604-13981-1-git-send-email-benoit@irqsave.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 74.125.82.173 Cc: kwolf@redhat.com, pbonzini@redhat.com, stefanha@linux.vnet.ibm.com, =?UTF-8?q?Beno=C3=AEt=20Canet?= Subject: [Qemu-devel] [RFC 09/12] qorum: Add qorum_co_flush(). 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: Benoit Canet --- block/qorum.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/block/qorum.c b/block/qorum.c index 3dae8e4..eeffac2 100644 --- a/block/qorum.c +++ b/block/qorum.c @@ -15,6 +15,10 @@ #include "block_int.h" +ssize_t blkverify_iovec_compare(QEMUIOVector *a, QEMUIOVector *b); +void blkverify_iovec_clone(QEMUIOVector *dest, const QEMUIOVector *src, + void *buf); + typedef struct { BlockDriverState * bs[3]; } BDRVQorumState; @@ -244,6 +248,21 @@ static BlockDriverAIOCB *qorum_aio_writev(BlockDriverState *bs, return &acb->common; } +static coroutine_fn int qorum_co_flush(BlockDriverState *bs) +{ + BDRVQorumState *s = bs->opaque; + int i, ret; + + for (i = 0; i <= 2; i++) { + ret = bdrv_co_flush(s->bs[i]); + if (ret < 0) { + return ret; + } + } + + return ret; +} + static BlockDriver bdrv_qorum = { .format_name = "qorum", .protocol_name = "qorum", @@ -254,6 +273,7 @@ static BlockDriver bdrv_qorum = { .bdrv_file_open = qorum_open, .bdrv_close = qorum_close, + .bdrv_co_flush_to_disk = qorum_co_flush, .bdrv_aio_writev = qorum_aio_writev, };