From nobody Mon May 6 16:13:16 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1509446995615761.2855410896789; Tue, 31 Oct 2017 03:49:55 -0700 (PDT) Received: from localhost ([::1]:44693 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e9U6w-0006Id-Vv for importer@patchew.org; Tue, 31 Oct 2017 06:49:35 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57268) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e9U5E-0005T3-Fi for qemu-devel@nongnu.org; Tue, 31 Oct 2017 06:47:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e9U5C-0003RL-PA for qemu-devel@nongnu.org; Tue, 31 Oct 2017 06:47:48 -0400 Received: from mail.ispras.ru ([83.149.199.45]:39784) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e9U5C-0003QD-Gw for qemu-devel@nongnu.org; Tue, 31 Oct 2017 06:47:46 -0400 Received: from [127.0.1.1] (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id B9FBF54006A; Tue, 31 Oct 2017 13:47:45 +0300 (MSK) From: Pavel Dovgalyuk To: qemu-devel@nongnu.org Date: Tue, 31 Oct 2017 13:47:46 +0300 Message-ID: <20171031104746.3079.74772.stgit@pasha-VirtualBox> In-Reply-To: <20171031104741.3079.26584.stgit@pasha-VirtualBox> References: <20171031104741.3079.26584.stgit@pasha-VirtualBox> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 83.149.199.45 Subject: [Qemu-devel] [RFCPATCH01/20] 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: dovgaluk@ispras.ru Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 From: Pavel Dovgalyuk 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 61e44a1..82a88f8 100755 --- a/block/blkreplay.c +++ b/block/blkreplay.c @@ -127,6 +127,12 @@ static int coroutine_fn blkreplay_co_flush(BlockDriver= State *bs) return ret; } =20 +static int blkreplay_snapshot_goto(BlockDriverState *bs, + const char *snapshot_id) +{ + return bdrv_snapshot_goto(bs->file->bs, snapshot_id); +} + static BlockDriver bdrv_blkreplay =3D { .format_name =3D "blkreplay", .protocol_name =3D "blkreplay", @@ -143,6 +149,8 @@ static BlockDriver bdrv_blkreplay =3D { .bdrv_co_pwrite_zeroes =3D blkreplay_co_pwrite_zeroes, .bdrv_co_pdiscard =3D blkreplay_co_pdiscard, .bdrv_co_flush =3D blkreplay_co_flush, + + .bdrv_snapshot_goto =3D blkreplay_snapshot_goto, }; =20 static void bdrv_blkreplay_init(void)