From nobody Wed Dec 17 05:36:46 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1556639733; cv=none; d=zoho.com; s=zohoarc; b=DvKFGKV1zLpAfwgVpsvvM4FbM2hegLr17uTb0Px0pI2yXqMgCYuCu4V0z2BffrRy0o2IN0HUg5nPd2dN85Mahpmn4ZM5MFkQR5EHb45A0FUrySkrRgCaWK+GAqq7Bq5jqCeX60AkbxCxZ9ZRb1X8IJumA4aQqy78bWtBU+MOYwY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1556639733; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=yfYkm9hPMGkR/ayE0g2vb3eSTXvr0LFGVaAl9wOtzjs=; b=F8NucfQ7CdVlc9pcmkYim4Oasn1qqhETy4FC85Z500sbELgp6GjcZ9cWSeBIH1bFEHSd2ePdpPeLzlnkheUThrvZvRPUGa5+O0VmiNIejxGsbJjJ45WFc1cpJi8Fpq9qdI4VHlrWNl5hs5VXfYqE2+DwDV0U0+1c7EYY3i3aGxI= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 1556639733314231.5511127944485; Tue, 30 Apr 2019 08:55:33 -0700 (PDT) Received: from localhost ([127.0.0.1]:48977 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hLV6I-0000Xh-5y for importer@patchew.org; Tue, 30 Apr 2019 11:55:22 -0400 Received: from eggs.gnu.org ([209.51.188.92]:48701) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hLUup-000807-O2 for qemu-devel@nongnu.org; Tue, 30 Apr 2019 11:43:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hLUun-00023g-8Q for qemu-devel@nongnu.org; Tue, 30 Apr 2019 11:43:31 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45850) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hLUuX-0001qU-Hn; Tue, 30 Apr 2019 11:43:15 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BC0755D608; Tue, 30 Apr 2019 15:43:12 +0000 (UTC) Received: from linux.fritz.box.com (unknown [10.36.118.15]) by smtp.corp.redhat.com (Postfix) with ESMTP id 999DB17106; Tue, 30 Apr 2019 15:43:10 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Date: Tue, 30 Apr 2019 17:42:27 +0200 Message-Id: <20190430154244.30083-11-kwolf@redhat.com> In-Reply-To: <20190430154244.30083-1-kwolf@redhat.com> References: <20190430154244.30083-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 30 Apr 2019 15:43:12 +0000 (UTC) Content-Transfer-Encoding: quoted-printable 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] [PULL 10/27] qcow2: Add errp to preallocate_co() 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, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" We'll add a bdrv_co_truncate() call in the next patch which can return an Error that we don't want to discard. So add an errp parameter to preallocate_co(). Cc: qemu-stable@nongnu.org Signed-off-by: Kevin Wolf Reviewed-by: Eric Blake --- block/qcow2.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/block/qcow2.c b/block/qcow2.c index dfac74c264..b4f9f5a240 100644 --- a/block/qcow2.c +++ b/block/qcow2.c @@ -2721,7 +2721,7 @@ static int qcow2_set_up_encryption(BlockDriverState *= bs, * Returns: 0 on success, -errno on failure. */ static int coroutine_fn preallocate_co(BlockDriverState *bs, uint64_t offs= et, - uint64_t new_length) + uint64_t new_length, Error **errp) { BDRVQcow2State *s =3D bs->opaque; uint64_t bytes; @@ -2738,6 +2738,7 @@ static int coroutine_fn preallocate_co(BlockDriverSta= te *bs, uint64_t offset, ret =3D qcow2_alloc_cluster_offset(bs, offset, &cur_bytes, &host_offset, &meta); if (ret < 0) { + error_setg_errno(errp, -ret, "Allocating clusters failed"); return ret; } =20 @@ -2746,6 +2747,7 @@ static int coroutine_fn preallocate_co(BlockDriverSta= te *bs, uint64_t offset, =20 ret =3D qcow2_alloc_cluster_link_l2(bs, meta); if (ret < 0) { + error_setg_errno(errp, -ret, "Mapping clusters failed"); qcow2_free_any_clusters(bs, meta->alloc_offset, meta->nb_clusters, QCOW2_DISCARD_N= EVER); return ret; @@ -2775,6 +2777,7 @@ static int coroutine_fn preallocate_co(BlockDriverSta= te *bs, uint64_t offset, ret =3D bdrv_pwrite(s->data_file, (host_offset + cur_bytes) - 1, &data, 1); if (ret < 0) { + error_setg_errno(errp, -ret, "Writing to EOF failed"); return ret; } } @@ -3748,9 +3751,8 @@ static int coroutine_fn qcow2_co_truncate(BlockDriver= State *bs, int64_t offset, break; =20 case PREALLOC_MODE_METADATA: - ret =3D preallocate_co(bs, old_length, offset); + ret =3D preallocate_co(bs, old_length, offset, errp); if (ret < 0) { - error_setg_errno(errp, -ret, "Preallocation failed"); goto fail; } break; @@ -3766,9 +3768,8 @@ static int coroutine_fn qcow2_co_truncate(BlockDriver= State *bs, int64_t offset, /* With a data file, preallocation means just allocating the metad= ata * and forwarding the truncate request to the data file */ if (has_data_file(bs)) { - ret =3D preallocate_co(bs, old_length, offset); + ret =3D preallocate_co(bs, old_length, offset, errp); if (ret < 0) { - error_setg_errno(errp, -ret, "Preallocation failed"); goto fail; } break; --=20 2.20.1