From nobody Mon Mar 30 00:50:56 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 14915802277241006.2378935895925; Fri, 7 Apr 2017 08:50:27 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E1F5FC0094F2; Fri, 7 Apr 2017 15:50:25 +0000 (UTC) Received: from colo-mx.corp.redhat.com (unknown [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id B5785857A6; Fri, 7 Apr 2017 15:50:25 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 63BF54E9BD; Fri, 7 Apr 2017 15:50:25 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id v37FoNto012436 for ; Fri, 7 Apr 2017 11:50:23 -0400 Received: by smtp.corp.redhat.com (Postfix) id 96A269B903; Fri, 7 Apr 2017 15:50:23 +0000 (UTC) Received: from angien.brq.redhat.com (dhcp129-47.brq.redhat.com [10.34.129.47]) by smtp.corp.redhat.com (Postfix) with ESMTP id E80A39B906; Fri, 7 Apr 2017 15:50:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com E1F5FC0094F2 Authentication-Results: ext-mx08.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx08.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=libvir-list-bounces@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com E1F5FC0094F2 From: Peter Krempa To: libvir-list@redhat.com Date: Fri, 7 Apr 2017 17:50:13 +0200 Message-Id: In-Reply-To: References: In-Reply-To: References: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-loop: libvir-list@redhat.com Cc: Peter Krempa Subject: [libvirt] [PATCH 2/5] qemu: snapshot: Skip empty drives with internal snapshots X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Fri, 07 Apr 2017 15:50:26 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" The code that validates whether an internal snapshot is possible would reject an empty but not-readonly drive. Since floppies can have this property, add a check for emptiness. --- src/qemu/qemu_driver.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 388af4f6f..e39de625d 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -13825,7 +13825,8 @@ qemuDomainSnapshotPrepare(virConnectPtr conn, case VIR_DOMAIN_SNAPSHOT_LOCATION_NONE: /* Remember seeing a disk that has snapshot disabled */ - if (!dom_disk->src->readonly) + if (!virStorageSourceIsEmpty(dom_disk->src) && + !dom_disk->src->readonly) forbid_internal =3D true; break; --=20 2.12.2 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list