From patchwork Tue Jul 30 17:24:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Reitz X-Patchwork-Id: 11066347 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A81D41395 for ; Tue, 30 Jul 2019 17:33:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8F90B286BE for ; Tue, 30 Jul 2019 17:33:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 836ED28710; Tue, 30 Jul 2019 17:33:58 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 366C4286BE for ; Tue, 30 Jul 2019 17:33:58 +0000 (UTC) Received: from localhost ([::1]:35046 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hsW0b-0008I3-HF for patchwork-qemu-devel@patchwork.kernel.org; Tue, 30 Jul 2019 13:33:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33474) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hsVsJ-0006hJ-FO for qemu-devel@nongnu.org; Tue, 30 Jul 2019 13:25:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hsVsI-0002YF-HI for qemu-devel@nongnu.org; Tue, 30 Jul 2019 13:25:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38410) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hsVsG-0002Tq-83; Tue, 30 Jul 2019 13:25:20 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0D35B81DFF; Tue, 30 Jul 2019 17:25:19 +0000 (UTC) Received: from localhost (ovpn-116-164.ams2.redhat.com [10.36.116.164]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 7F3B060856; Tue, 30 Jul 2019 17:25:18 +0000 (UTC) From: Max Reitz To: qemu-block@nongnu.org Date: Tue, 30 Jul 2019 19:24:58 +0200 Message-Id: <20190730172508.19911-4-mreitz@redhat.com> In-Reply-To: <20190730172508.19911-1-mreitz@redhat.com> References: <20190730172508.19911-1-mreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Tue, 30 Jul 2019 17:25:19 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH for-4.2 03/13] qcow2: Make qcow2_write_snapshots() public X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-devel@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Updating the snapshot list will be useful when upgrading a v2 image to v3, so we will need to call this function in qcow2.c. Signed-off-by: Max Reitz Reviewed-by: Eric Blake --- block/qcow2.h | 1 + block/qcow2-snapshot.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/block/qcow2.h b/block/qcow2.h index 290a48b77e..77586d81b9 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -710,6 +710,7 @@ int qcow2_snapshot_load_tmp(BlockDriverState *bs, void qcow2_free_snapshots(BlockDriverState *bs); int qcow2_read_snapshots(BlockDriverState *bs, Error **errp); +int qcow2_write_snapshots(BlockDriverState *bs); /* qcow2-cache.c functions */ Qcow2Cache *qcow2_cache_create(BlockDriverState *bs, int num_tables, diff --git a/block/qcow2-snapshot.c b/block/qcow2-snapshot.c index b037c6e5fd..3d097b92d7 100644 --- a/block/qcow2-snapshot.c +++ b/block/qcow2-snapshot.c @@ -163,7 +163,7 @@ fail: } /* add at the end of the file a new list of snapshots */ -static int qcow2_write_snapshots(BlockDriverState *bs) +int qcow2_write_snapshots(BlockDriverState *bs) { BDRVQcow2State *s = bs->opaque; QCowSnapshot *sn;