From nobody Mon May 6 01:19:08 2024 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.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=pass(p=none dis=none) header.from=redhat.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 1534536119103521.1088261143901; Fri, 17 Aug 2018 13:01:59 -0700 (PDT) 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 3119B308625C; Fri, 17 Aug 2018 20:01:54 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.20]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 4A066608E6; Fri, 17 Aug 2018 20:01:53 +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 3C8DE180610F; Fri, 17 Aug 2018 20:01:50 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w7HK1euU022701 for ; Fri, 17 Aug 2018 16:01:40 -0400 Received: by smtp.corp.redhat.com (Postfix) id 1BDF5600C1; Fri, 17 Aug 2018 20:01:40 +0000 (UTC) Received: from unknown54ee7586bd10.attlocal.net.com (ovpn-116-58.phx2.redhat.com [10.3.116.58]) by smtp.corp.redhat.com (Postfix) with ESMTP id CA2DF600C0 for ; Fri, 17 Aug 2018 20:01:36 +0000 (UTC) From: John Ferlan To: libvir-list@redhat.com Date: Fri, 17 Aug 2018 16:01:32 -0400 Message-Id: <20180817200132.16713-1-jferlan@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-loop: libvir-list@redhat.com Subject: [libvirt] [PATCH] storage: Add --shrink to qemu-img command when shrinking vol 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 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]); Fri, 17 Aug 2018 20:01:57 +0000 (UTC) X-ZohoMail: RDMRC_0 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" https://bugzilla.redhat.com/show_bug.cgi?id=3D1613746 When shrinking the capacity of a qcow2 or luks volume using the qemu-img program, the --shrink qualifier must be added. Signed-off-by: John Ferlan Reviewed-by: Daniel P. Berrang=C3=A9 --- src/storage/storage_util.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/storage/storage_util.c b/src/storage/storage_util.c index 42a9b6abf0..c936120bf0 100644 --- a/src/storage/storage_util.c +++ b/src/storage/storage_util.c @@ -2294,12 +2294,12 @@ storageBackendResizeQemuImg(virStoragePoolObjPtr po= ol, * a multiple of 512 */ capacity =3D VIR_ROUND_UP(capacity, 512); =20 - cmd =3D virCommandNew(img_tool); + cmd =3D virCommandNewArgList(img_tool, "resize", NULL); + if (capacity < vol->target.capacity) + virCommandAddArg(cmd, "--shrink"); if (!vol->target.encryption) { - virCommandAddArgList(cmd, "resize", vol->target.path, NULL); + virCommandAddArg(cmd, vol->target.path); } else { - virCommandAddArg(cmd, "resize"); - if (storageBackendCreateQemuImgSecretObject(cmd, secretPath, secretAlias) < 0) goto cleanup; --=20 2.17.1 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list