From patchwork Thu Apr 30 13:30:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 283679 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 31667C28CBC for ; Thu, 30 Apr 2020 13:42:24 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EFABE2074A for ; Thu, 30 Apr 2020 13:42:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="bQIxYmyi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EFABE2074A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:50090 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jU9SJ-0007Mx-2i for qemu-devel@archiver.kernel.org; Thu, 30 Apr 2020 09:42:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47714) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jU9KR-0007yH-JU for qemu-devel@nongnu.org; Thu, 30 Apr 2020 09:37:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.90_1) (envelope-from ) id 1jU9Gh-00047T-Ig for qemu-devel@nongnu.org; Thu, 30 Apr 2020 09:34:15 -0400 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:40788 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jU9Gh-00042K-3e for qemu-devel@nongnu.org; Thu, 30 Apr 2020 09:30:23 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1588253422; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KcFDP/ksCSb7a8hsuYkhAgmErquzGZ1XAxrWAYD/CyQ=; b=bQIxYmyip9XJRPd6oPAzj8C4PMAXf88nbxgTkxZpoWWO42eiUhzXiqX19e2avjIKZWmRiG fRSNyA2h/TBW2FZvRlGxP7iB92Gl7UPqzYBKzBHbRMvZkhP/MhdWolDdvmLwLqXlo24Ulm B29PKUhSL2IVQ59EjkgoMQ0kVeKoqhU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-309-ct3wnUH5Mna9H5tqC7S0Ug-1; Thu, 30 Apr 2020 09:30:20 -0400 X-MC-Unique: ct3wnUH5Mna9H5tqC7S0Ug-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id 5DF14107ACCA; Thu, 30 Apr 2020 13:30:19 +0000 (UTC) Received: from linux.fritz.box.com (ovpn-114-60.ams2.redhat.com [10.36.114.60]) by smtp.corp.redhat.com (Postfix) with ESMTP id 617E16A942; Thu, 30 Apr 2020 13:30:18 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PATCH 2/6] vmdk: Fix zero cluster allocation Date: Thu, 30 Apr 2020 15:30:03 +0200 Message-Id: <20200430133007.170335-3-kwolf@redhat.com> In-Reply-To: <20200430133007.170335-1-kwolf@redhat.com> References: <20200430133007.170335-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.81; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/30 01:31:09 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 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: kwolf@redhat.com, qemu-devel@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" m_data must be contain valid data even for zero clusters when no cluster was allocated in the image file. Without this, zero writes segfault with images that have zeroed_grain=on. For zero writes, we don't want to allocate a cluster in the image file even in compressed files. Fixes: 524089bce43fd1cd3daaca979872451efa2cf7c6 Signed-off-by: Kevin Wolf --- block/vmdk.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/block/vmdk.c b/block/vmdk.c index 5b09275578..bdd7d2dcf1 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -1572,6 +1572,12 @@ static int get_cluster_offset(BlockDriverState *bs, extent->l2_cache_counts[min_index] = 1; found: l2_index = ((offset >> 9) / extent->cluster_sectors) % extent->l2_size; + if (m_data) { + m_data->l1_index = l1_index; + m_data->l2_index = l2_index; + m_data->l2_offset = l2_offset; + m_data->l2_cache_entry = ((uint32_t *)l2_table) + l2_index; + } if (extent->sesparse) { cluster_sector = le64_to_cpu(((uint64_t *)l2_table)[l2_index]); @@ -1631,10 +1637,6 @@ static int get_cluster_offset(BlockDriverState *bs, } if (m_data) { m_data->new_allocation = true; - m_data->l1_index = l1_index; - m_data->l2_index = l2_index; - m_data->l2_offset = l2_offset; - m_data->l2_cache_entry = ((uint32_t *)l2_table) + l2_index; } } *cluster_offset = cluster_sector << BDRV_SECTOR_BITS; @@ -1990,7 +1992,7 @@ static int vmdk_pwritev(BlockDriverState *bs, uint64_t offset, error_report("Could not write to allocated cluster" " for streamOptimized"); return -EIO; - } else { + } else if (!zeroed) { /* allocate */ ret = get_cluster_offset(bs, extent, &m_data, offset, true, &cluster_offset, 0, 0); From patchwork Thu Apr 30 13:30:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 283680 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E2422C28CBC for ; 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Thu, 30 Apr 2020 09:30:27 -0400 X-MC-Unique: 5L8nY77QPjGVgaALxjyGiA-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id C4EAF8730ED; Thu, 30 Apr 2020 13:30:26 +0000 (UTC) Received: from linux.fritz.box.com (ovpn-114-60.ams2.redhat.com [10.36.114.60]) by smtp.corp.redhat.com (Postfix) with ESMTP id A992967656; Thu, 30 Apr 2020 13:30:25 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PATCH 6/6] iotests: vmdk: Enable zeroed_grained=on by default Date: Thu, 30 Apr 2020 15:30:07 +0200 Message-Id: <20200430133007.170335-7-kwolf@redhat.com> In-Reply-To: <20200430133007.170335-1-kwolf@redhat.com> References: <20200430133007.170335-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.120; envelope-from=kwolf@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/04/29 23:34:52 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 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: kwolf@redhat.com, qemu-devel@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" In order to avoid bitrot in the zero cluster code in VMDK, enable zero_grained=on by default for the tests. Signed-off-by: Kevin Wolf --- tests/qemu-iotests/059 | 6 +++--- tests/qemu-iotests/check | 3 +++ 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/tests/qemu-iotests/059 b/tests/qemu-iotests/059 index 5438025285..4c90fc0363 100755 --- a/tests/qemu-iotests/059 +++ b/tests/qemu-iotests/059 @@ -41,9 +41,9 @@ trap "_cleanup; exit \$status" 0 1 2 3 15 _supported_fmt vmdk _supported_proto file _supported_os Linux -_unsupported_imgopts "subformat=monolithicFlat" \ - "subformat=twoGbMaxExtentFlat" \ - "subformat=twoGbMaxExtentSparse" + +# We test all kinds of VMDK options here, so ignore user-specified options +IMGOPTS="" capacity_offset=16 granularity_offset=20 diff --git a/tests/qemu-iotests/check b/tests/qemu-iotests/check index f7a2d3d6c3..9c461cf76d 100755 --- a/tests/qemu-iotests/check +++ b/tests/qemu-iotests/check @@ -546,6 +546,9 @@ fi if [ "$IMGFMT" == "luks" ] && ! (echo "$IMGOPTS" | grep "iter-time=" > /dev/null); then IMGOPTS=$(_optstr_add "$IMGOPTS" "iter-time=10") fi +if [ "$IMGFMT" == "vmdk" ] && ! (echo "$IMGOPTS" | grep "zeroed_grain=" > /dev/null); then + IMGOPTS=$(_optstr_add "$IMGOPTS" "zeroed_grain=on") +fi if [ -z "$SAMPLE_IMG_DIR" ]; then SAMPLE_IMG_DIR="$source_iotests/sample_images"