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=-8.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, 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 27E58C433B4 for ; Thu, 22 Apr 2021 16:57:50 +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 9CDB461425 for ; Thu, 22 Apr 2021 16:57:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9CDB461425 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]:58524 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lZceC-00075z-Bh for qemu-devel@archiver.kernel.org; Thu, 22 Apr 2021 12:57:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57920) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lZcR0-0003UH-J6 for qemu-devel@nongnu.org; Thu, 22 Apr 2021 12:44:10 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:28241) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lZcQu-0001PF-L4 for qemu-devel@nongnu.org; Thu, 22 Apr 2021 12:44:10 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1619109840; 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=53K0Gqb/34thLug4EhhNbQzboqD6QJuKrGBFya0Xebw=; b=i2x8D/DCm5ynN5VG0V8oDuKVEVIGo9SYu1szyvE/LHJ5VK9BsdnZkhJbuBJKYvxeN96Kv/ 1vJtMTVf2ueVCg9X02RF0ZcH+qoIhYXRlrKyyuCRl1OiYt6oXYL+QZUZ6qcAO4bOcrEg/E /9TDSCk2BfbHtgL97CFGDhxDaxdlZvc= 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-286-R67ZT5jxMY6vyjF1L2NDlg-1; Thu, 22 Apr 2021 12:43:56 -0400 X-MC-Unique: R67ZT5jxMY6vyjF1L2NDlg-1 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 mimecast-mx01.redhat.com (Postfix) with ESMTPS id EB0398C5A23; Thu, 22 Apr 2021 16:43:51 +0000 (UTC) Received: from merkur.fritz.box (ovpn-112-159.ams2.redhat.com [10.36.112.159]) by smtp.corp.redhat.com (Postfix) with ESMTP id BFF7E5C27C; Thu, 22 Apr 2021 16:43:47 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PATCH v2 0/2] qemu-img convert: Unshare write permission for source Date: Thu, 22 Apr 2021 18:43:42 +0200 Message-Id: <20210422164344.283389-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kwolf@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=170.10.133.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action 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 Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" v2: - Still share BLK_PERM_CONSISTENT_READ. It doesn't hurt users that don't want their image modified in parallel and it fixes some use cases covered by iotests. Kevin Wolf (2): block: Add BDRV_O_NO_SHARE for blk_new_open() qemu-img convert: Unshare write permission for source include/block/block.h | 1 + block/block-backend.c | 19 +++++++++++++------ qemu-img.c | 2 +- 3 files changed, 15 insertions(+), 7 deletions(-) -- 2.30.2