From mboxrd@z Thu Jan 1 00:00:00 1970 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=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 D685EC54FCB for ; Mon, 20 Apr 2020 13:39:03 +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 A007120B1F for ; Mon, 20 Apr 2020 13:39:03 +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="URo6lgyx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A007120B1F 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]:35816 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jQWda-0005Az-Ot for qemu-devel@archiver.kernel.org; Mon, 20 Apr 2020 09:39:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60886 helo=eggs1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jQWXh-0004M7-N6 for qemu-devel@nongnu.org; Mon, 20 Apr 2020 09:33:06 -0400 Received: from Debian-exim by eggs1p.gnu.org with spam-scanned (Exim 4.90_1) (envelope-from ) id 1jQWXP-0004Qo-Ec for qemu-devel@nongnu.org; Mon, 20 Apr 2020 09:32:57 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:37031 helo=us-smtp-delivery-1.mimecast.com) by eggs1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jQWXO-0004NF-BI for qemu-devel@nongnu.org; Mon, 20 Apr 2020 09:32:38 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587389556; 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; bh=UwqcPGv+cgI9xz7tmBfCHKLwwQVkVX/eV03WRljrA1o=; b=URo6lgyxD3xh6GLDn/S+xZwIDq5bRshinhSzyvh5n8fsSc3ck3pYgH/mCT/QX1Xu7cWmJf /xr+ob1EWngyqk2jFVRrGD/2AkBnXzmWiq/yzNzGJmr6gL8qp5IP2gsFcx/o4tf2MDWb2d IDWfNVXwUWnAEcT2/Ao8IFVhL8fNbtk= 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-415-lTGH2eoEOjuN7CeqOZGbqw-1; Mon, 20 Apr 2020 09:32:35 -0400 X-MC-Unique: lTGH2eoEOjuN7CeqOZGbqw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 294B61B18BC5; Mon, 20 Apr 2020 13:32:33 +0000 (UTC) Received: from linux.fritz.box.com (ovpn-114-38.ams2.redhat.com [10.36.114.38]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4313F11E7F7; Mon, 20 Apr 2020 13:32:29 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PATCH v4 0/9] block: Fix resize (extending) of short overlays Date: Mon, 20 Apr 2020 15:32:05 +0200 Message-Id: <20200420133214.28921-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable 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 eggs1p.gnu.org: First seen = 2020/04/20 01:47:04 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, vsementsov@virtuozzo.com, berto@igalia.com, qemu-devel@nongnu.org, mreitz@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" v4: - Rewrote the series to move the actual zeroing to the block drivers so that error paths can work correctly and potentially long-running fallback to writing explicit zeroes is avoided. - Fixed output filtering order in the test case [Max] v3: - Don't allow blocking the monitor for a zero write in block_resize (even though we can already blockfor other reasons there). This is mainly responsible for the increased complexity compared to v2. Personally, I think this is not an improvement over v2, but if this is what it takes to fix a corruption issue in 4.2... [Max] - Don't use huge image files in the test case [Vladimir] v2: - Switched order of bs->total_sectors update and zero write [Vladimir] - Fixed coding style [Vladimir] - Changed the commit message to contain what was in the cover letter - Test all preallocation modes - Test allocation status with qemu-io 'map' [Vladimir] Kevin Wolf (9): block: Add flags to BlockDriver.bdrv_co_truncate() block: Add flags to bdrv(_co)_truncate() block-backend: Add flags to blk_truncate() qcow2: Support BDRV_REQ_ZERO_WRITE for truncate raw-format: Support BDRV_REQ_ZERO_WRITE for truncate file-posix: Support BDRV_REQ_ZERO_WRITE for truncate block: truncate: Don't make backing file data visible iotests: Filter testfiles out in img_info_log() iotests: Test committing to short backing file include/block/block.h | 5 +- include/block/block_int.h | 10 +- include/sysemu/block-backend.h | 2 +- block.c | 3 +- block/block-backend.c | 4 +- block/commit.c | 4 +- block/crypto.c | 7 +- block/file-posix.c | 6 +- block/gluster.c | 1 + block/io.c | 32 +++++- block/iscsi.c | 2 +- block/mirror.c | 2 +- block/nfs.c | 3 +- block/parallels.c | 6 +- block/qcow.c | 4 +- block/qcow2-refcount.c | 2 +- block/qcow2.c | 28 +++-- block/qed.c | 3 +- block/raw-format.c | 5 +- block/rbd.c | 1 + block/sheepdog.c | 4 +- block/ssh.c | 2 +- block/vdi.c | 2 +- block/vhdx-log.c | 2 +- block/vhdx.c | 6 +- block/vmdk.c | 8 +- block/vpc.c | 2 +- blockdev.c | 2 +- qemu-img.c | 2 +- qemu-io-cmds.c | 2 +- tests/test-block-iothread.c | 9 +- tests/qemu-iotests/iotests.py | 5 +- tests/qemu-iotests/206.out | 12 +- tests/qemu-iotests/242.out | 12 +- tests/qemu-iotests/274 | 152 +++++++++++++++++++++++++ tests/qemu-iotests/274.out | 202 +++++++++++++++++++++++++++++++++ tests/qemu-iotests/group | 1 + 37 files changed, 483 insertions(+), 72 deletions(-) create mode 100755 tests/qemu-iotests/274 create mode 100644 tests/qemu-iotests/274.out --=20 2.20.1