From patchwork Tue Jan 31 11:57:34 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Dovgalyuk X-Patchwork-Id: 9546991 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 760B9604A0 for ; Tue, 31 Jan 2017 11:58:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 67D71281C3 for ; Tue, 31 Jan 2017 11:58:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5CA5728389; Tue, 31 Jan 2017 11:58:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 37370281C3 for ; Tue, 31 Jan 2017 11:58:08 +0000 (UTC) Received: from localhost ([::1]:37374 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cYX4Z-0007pC-8t for patchwork-qemu-devel@patchwork.kernel.org; Tue, 31 Jan 2017 06:58:07 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42302) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cYX45-0007np-8j for qemu-devel@nongnu.org; Tue, 31 Jan 2017 06:57:38 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cYX44-0007kl-Li for qemu-devel@nongnu.org; Tue, 31 Jan 2017 06:57:37 -0500 Received: from mail.ispras.ru ([83.149.199.45]:57986) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cYX42-0007gE-Eo; Tue, 31 Jan 2017 06:57:34 -0500 Received: from [10.10.150.12] (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id A08965400AB; Tue, 31 Jan 2017 14:57:33 +0300 (MSK) To: qemu-devel@nongnu.org From: Pavel Dovgalyuk Date: Tue, 31 Jan 2017 14:57:34 +0300 Message-ID: <20170131115734.5244.64846.stgit@PASHA-ISP> In-Reply-To: <20170131115728.5244.21690.stgit@PASHA-ISP> References: <20170131115728.5244.21690.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 1/3] 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, pbonzini@redhat.com, dovgaluk@ispras.ru, qemu-block@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP This patch enables making snapshots with blkreplay used in block devices. 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 a741654..8a03d62 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", @@ -145,6 +151,8 @@ 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)