From patchwork Thu May 4 08:41:42 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Dovgalyuk X-Patchwork-Id: 758419 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3wJT6Z5SMcz9rxj for ; Thu, 4 May 2017 18:42:14 +1000 (AEST) Received: from localhost ([::1]:40438 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d6CKy-0003Gh-7S for incoming@patchwork.ozlabs.org; Thu, 04 May 2017 04:42:12 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56794) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d6CKS-0003Fb-Na for qemu-devel@nongnu.org; Thu, 04 May 2017 04:41:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d6CKR-0006Cd-OI for qemu-devel@nongnu.org; Thu, 04 May 2017 04:41:40 -0400 Received: from mail.ispras.ru ([83.149.199.45]:42246) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d6CKR-0006BP-Gm for qemu-devel@nongnu.org; Thu, 04 May 2017 04:41:39 -0400 Received: from [10.10.150.19] (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 9863F54006C; Thu, 4 May 2017 11:41:38 +0300 (MSK) To: qemu-devel@nongnu.org From: Pavel Dovgalyuk Date: Thu, 04 May 2017 11:41:42 +0300 Message-ID: <20170504084142.7488.77770.stgit@PASHA-ISP> In-Reply-To: <20170504084135.7488.24715.stgit@PASHA-ISP> References: <20170504084135.7488.24715.stgit@PASHA-ISP> User-Agent: StGit/0.16 MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 83.149.199.45 Subject: [Qemu-devel] [PATCH v9 01/10] block: implement bdrv_snapshot_goto for blkreplay X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, peter.maydell@linaro.org, quintela@redhat.com, jasowang@redhat.com, mst@redhat.com, dovgaluk@ispras.ru, kraxel@redhat.com, pbonzini@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" This patch enables making snapshots with blkreplay used in block devices. This function is required to make bdrv_snapshot_goto without calling .bdrv_open which is not implemented. Signed-off-by: Pavel Dovgalyuk --- block/blkreplay.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/block/blkreplay.c b/block/blkreplay.c index e1102119fb..d13a98d691 100644 --- a/block/blkreplay.c +++ b/block/blkreplay.c @@ -130,6 +130,12 @@ static int coroutine_fn blkreplay_co_flush(BlockDriverState *bs) return ret; } +static int blkreplay_snapshot_goto(BlockDriverState *bs, + const char *snapshot_id) +{ + return bdrv_snapshot_goto(bs->file->bs, snapshot_id); +} + static BlockDriver bdrv_blkreplay = { .format_name = "blkreplay", .protocol_name = "blkreplay", @@ -146,6 +152,8 @@ static BlockDriver bdrv_blkreplay = { .bdrv_co_pwrite_zeroes = blkreplay_co_pwrite_zeroes, .bdrv_co_pdiscard = blkreplay_co_pdiscard, .bdrv_co_flush = blkreplay_co_flush, + + .bdrv_snapshot_goto = blkreplay_snapshot_goto, }; static void bdrv_blkreplay_init(void)