From patchwork Tue Mar 9 17:08:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alberto Garcia X-Patchwork-Id: 12126419 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 E6162C433DB for ; Tue, 9 Mar 2021 19:12:38 +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 E0D5564DE0 for ; Tue, 9 Mar 2021 19:12:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E0D5564DE0 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=igalia.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:43014 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lJhmW-0007vs-N7 for qemu-devel@archiver.kernel.org; Tue, 09 Mar 2021 14:12:36 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:59672) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lJfrH-0001F5-PX; Tue, 09 Mar 2021 12:09:25 -0500 Received: from fanzine.igalia.com ([178.60.130.6]:40104) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lJfrC-0001DM-9d; Tue, 09 Mar 2021 12:09:23 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=A+T1bSKlqEkwVYZoX1JnDjc+/+etM1HIC9Kf9E/14T0=; b=SnodUm8tQFHllmTcHuMgDCMfnBZEY0Ju/t4OiPGP6Xd7WIpXuclO8QM+KAucA7bnWqiB1Y0VZqy9cCiKgK4l/ya+YJpU3y01huDSmxsz4RSXxWUO77yuqTbePL2SM3VJ7eHCclcq54ggLHQ/sCniHjzUELf0YAQHU7aBfIcDi0wZssac6cRCm0a+Lye5MjaJ62kEr2ktaTLazbji/nxwrfMMANQb++AeZurjKdP04GC/QwC98uzUTwyA+ZSg26NS3o8vh0p1opVSpqWkb36WLyJayTkvyvdl2wTB7xivJf0RL6bpVnXFwAuxU7cQQ1ppyVcrkleVDID78F387eUaGA==; Received: from [213.94.25.37] (helo=perseus.local) by fanzine.igalia.com with esmtpsa (Cipher TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim) id 1lJfqn-0003Lr-QJ; Tue, 09 Mar 2021 18:08:53 +0100 Received: from berto by perseus.local with local (Exim 4.92) (envelope-from ) id 1lJfqa-0005IX-M4; Tue, 09 Mar 2021 18:08:40 +0100 From: Alberto Garcia To: qemu-devel@nongnu.org Subject: [PATCH v3 3/6] iotests: Test replacing files with x-blockdev-reopen Date: Tue, 9 Mar 2021 18:08:29 +0100 Message-Id: <4bd25cbdac5d14fb980133ca7ec8fd9772f8a4a2.1615309297.git.berto@igalia.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=178.60.130.6; envelope-from=berto@igalia.com; helo=fanzine.igalia.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: Kevin Wolf , Vladimir Sementsov-Ogievskiy , Alberto Garcia , qemu-block@nongnu.org, Max Reitz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This patch adds new tests in which we use x-blockdev-reopen to change bs->file Signed-off-by: Alberto Garcia --- tests/qemu-iotests/245 | 109 ++++++++++++++++++++++++++++++++++++- tests/qemu-iotests/245.out | 11 +++- 2 files changed, 117 insertions(+), 3 deletions(-) diff --git a/tests/qemu-iotests/245 b/tests/qemu-iotests/245 index 52c2ed7c2d..1549a42e2b 100755 --- a/tests/qemu-iotests/245 +++ b/tests/qemu-iotests/245 @@ -78,7 +78,7 @@ class TestBlockdevReopen(iotests.QMPTestCase): for line in log.split("\n"): if line.startswith("Pattern verification failed"): raise Exception("%s (command #%d)" % (line, found)) - if re.match("read .*/.* bytes at offset", line): + if re.match("(read|wrote) .*/.* bytes at offset", line): found += 1 self.assertEqual(found, self.total_io_cmds, "Expected output of %d qemu-io commands, found %d" % @@ -536,6 +536,113 @@ class TestBlockdevReopen(iotests.QMPTestCase): result = self.vm.qmp('blockdev-del', conv_keys = True, node_name = 'bv') self.assert_qmp(result, 'return', {}) + # Replace the protocol layer ('file' parameter) of a disk image + def test_replace_file(self): + # Create two small raw images and add them to a running VM + qemu_img('create', '-f', 'raw', hd_path[0], '10k') + qemu_img('create', '-f', 'raw', hd_path[1], '10k') + + hd0_opts = {'driver': 'file', 'node-name': 'hd0-file', 'filename': hd_path[0] } + hd1_opts = {'driver': 'file', 'node-name': 'hd1-file', 'filename': hd_path[1] } + + result = self.vm.qmp('blockdev-add', conv_keys = False, **hd0_opts) + self.assert_qmp(result, 'return', {}) + result = self.vm.qmp('blockdev-add', conv_keys = False, **hd1_opts) + self.assert_qmp(result, 'return', {}) + + # Add a raw format layer that uses hd0-file as its protocol layer + opts = {'driver': 'raw', 'node-name': 'hd', 'file': 'hd0-file'} + + result = self.vm.qmp('blockdev-add', conv_keys = False, **opts) + self.assert_qmp(result, 'return', {}) + + # Fill the image with data + self.run_qemu_io("hd", "read -P 0 0 10k") + self.run_qemu_io("hd", "write -P 0xa0 0 10k") + + # Replace hd0-file with hd1-file and fill it with (different) data + self.reopen(opts, {'file': 'hd1-file'}) + self.run_qemu_io("hd", "read -P 0 0 10k") + self.run_qemu_io("hd", "write -P 0xa1 0 10k") + + # Use hd0-file again and check that it contains the expected data + self.reopen(opts, {'file': 'hd0-file'}) + self.run_qemu_io("hd", "read -P 0xa0 0 10k") + + # And finally do the same with hd1-file + self.reopen(opts, {'file': 'hd1-file'}) + self.run_qemu_io("hd", "read -P 0xa1 0 10k") + + # Insert (and remove) a throttle filter + def test_insert_throttle_filter(self): + # Add an image to the VM + hd0_opts = hd_opts(0) + result = self.vm.qmp('blockdev-add', conv_keys = False, **hd0_opts) + self.assert_qmp(result, 'return', {}) + + # Create a throttle-group object + opts = { 'qom-type': 'throttle-group', 'id': 'group0', + 'limits': { 'iops-total': 1000 } } + result = self.vm.qmp('object-add', conv_keys = False, **opts) + self.assert_qmp(result, 'return', {}) + + # Add a throttle filter with the group that we just created. + # The filter is not used by anyone yet + opts = { 'driver': 'throttle', 'node-name': 'throttle0', + 'throttle-group': 'group0', 'file': 'hd0-file' } + result = self.vm.qmp('blockdev-add', conv_keys = False, **opts) + self.assert_qmp(result, 'return', {}) + + # Insert the throttle filter between hd0 and hd0-file + self.reopen(hd0_opts, {'file': 'throttle0'}) + + # Remove the throttle filter from hd0 + self.reopen(hd0_opts, {'file': 'hd0-file'}) + + # Insert (and remove) a compress filter + def test_insert_compress_filter(self): + # Add an image to the VM: hd (raw) -> hd0 (qcow2) -> hd0-file (file) + opts = {'driver': 'raw', 'node-name': 'hd', 'file': hd_opts(0)} + result = self.vm.qmp('blockdev-add', conv_keys = False, **opts) + self.assert_qmp(result, 'return', {}) + + # Add a 'compress' filter + filter_opts = {'driver': 'compress', + 'node-name': 'compress0', + 'file': 'hd0'} + result = self.vm.qmp('blockdev-add', conv_keys = False, **filter_opts) + self.assert_qmp(result, 'return', {}) + + # Unmap the beginning of the image (we cannot write compressed + # data to an allocated cluster) + self.run_qemu_io("hd", "write -z -u 0 128k") + + # Write data to the first cluster + self.run_qemu_io("hd", "write -P 0xa0 0 64k") + + # Insert the filter then write to the second cluster + # hd -> compress0 -> hd0 -> hd0-file + self.reopen(opts, {'file': 'compress0'}) + self.run_qemu_io("hd", "write -P 0xa1 64k 64k") + + # Remove the filter then write to the third cluster + # hd -> hd0 -> hd0-file + self.reopen(opts, {'file': 'hd0'}) + self.run_qemu_io("hd", "write -P 0xa2 128k 64k") + + # Verify the data that we just wrote + self.run_qemu_io("hd", "read -P 0xa0 0 64k") + self.run_qemu_io("hd", "read -P 0xa1 64k 64k") + self.run_qemu_io("hd", "read -P 0xa2 128k 64k") + + self.vm.shutdown() + + # Check the first byte of the first three L2 entries and verify that + # the second one is compressed (0x40) while the others are not (0x80) + iotests.qemu_io_log('-f', 'raw', '-c', 'read -P 0x80 0x40000 1', + '-c', 'read -P 0x40 0x40008 1', + '-c', 'read -P 0x80 0x40010 1', hd_path[0]) + # Misc reopen tests with different block drivers @iotests.skip_if_unsupported(['quorum', 'throttle']) def test_misc_drivers(self): diff --git a/tests/qemu-iotests/245.out b/tests/qemu-iotests/245.out index 4b33dcaf5c..6ea1b2798f 100644 --- a/tests/qemu-iotests/245.out +++ b/tests/qemu-iotests/245.out @@ -10,8 +10,15 @@ {"return": {}} {"data": {"id": "stream0", "type": "stream"}, "event": "BLOCK_JOB_PENDING", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} {"data": {"device": "stream0", "len": 3145728, "offset": 3145728, "speed": 0, "type": "stream"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}} -..................... +read 1/1 bytes at offset 262144 +1 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +read 1/1 bytes at offset 262152 +1 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +read 1/1 bytes at offset 262160 +1 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) + +........................ ---------------------------------------------------------------------- -Ran 21 tests +Ran 24 tests OK