From patchwork Fri Apr 19 13:51:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 10908881 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B7D08922 for ; Fri, 19 Apr 2019 14:06:20 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A741A28CF9 for ; Fri, 19 Apr 2019 14:06:20 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9B44428CFD; Fri, 19 Apr 2019 14:06:20 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id E54A028CF9 for ; Fri, 19 Apr 2019 14:06:19 +0000 (UTC) Received: from localhost ([127.0.0.1]:57006 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hHU9i-0005fk-V5 for patchwork-qemu-devel@patchwork.kernel.org; Fri, 19 Apr 2019 10:06:19 -0400 Received: from eggs.gnu.org ([209.51.188.92]:55783) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hHU8A-000450-NN for qemu-devel@nongnu.org; Fri, 19 Apr 2019 10:04:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hHTvg-00075R-Cv for qemu-devel@nongnu.org; Fri, 19 Apr 2019 09:51:49 -0400 Received: from relay.sw.ru ([185.231.240.75]:33730) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hHTvg-0006z7-54; Fri, 19 Apr 2019 09:51:48 -0400 Received: from [10.28.8.145] (helo=kvm.sw.ru) by relay.sw.ru with esmtp (Exim 4.91) (envelope-from ) id 1hHTva-0008V2-Qa; Fri, 19 Apr 2019 16:51:43 +0300 From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Fri, 19 Apr 2019 16:51:39 +0300 Message-Id: <20190419135142.91810-1-vsementsov@virtuozzo.com> X-Mailer: git-send-email 2.18.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 185.231.240.75 Subject: [Qemu-devel] [PATCH v2 0/3] Fix overflow bug in qcow2 discard 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, fam@euphon.net, vsementsov@virtuozzo.com, den@virtuozzo.com, mreitz@redhat.com, stefanha@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP v2: [mostly by Eric's review] 01: new 02: point to bug introducing commit in cover letter [Eric] [but I failed to compile it, to check] drop s/INT_MAX/BDRV_REQUEST_MAX_BYTES/ chunk 03: - improve wording - cheating with preallocation=metadata and discards to make test quick and not eating disk space - use new trace-point - move it to be 250 iotest - filter out extra qemu-img info output Vladimir Sementsov-Ogievskiy (3): block/qcow2-refcount: add trace-point to qcow2_process_discards block/io: bdrv_pdiscard: support int64_t bytes parameter iotests: test big qcow2 shrink include/block/block.h | 4 +-- block/io.c | 16 ++++----- block/qcow2-refcount.c | 7 +++- block/trace-events | 3 ++ tests/qemu-iotests/250 | 72 ++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/250.out | 21 +++++++++++ tests/qemu-iotests/group | 1 + 7 files changed, 113 insertions(+), 11 deletions(-) create mode 100755 tests/qemu-iotests/250 create mode 100644 tests/qemu-iotests/250.out