From patchwork Wed Jun 22 04:58:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12890134 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8A6B7C43334 for ; Wed, 22 Jun 2022 04:59:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356974AbiFVE7J (ORCPT ); Wed, 22 Jun 2022 00:59:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45154 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357008AbiFVE7D (ORCPT ); Wed, 22 Jun 2022 00:59:03 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE98535861; Tue, 21 Jun 2022 21:58:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=xf881ymmHgZZ9GBnXHqAh+UxVhriB0OZ+2fjdoLSoUM=; b=jZB/o0wDEgM8f1bop9zywIAngr JPqPOLcO4bXVzX/BbsDnGP397bOFB7kmeN7dblkkgA5KGtjPQcDE96/hn9N6f8rXzT3lnrsj71lmi S710JHWYmE1J+RirKZGSTjWD/lfM5fi6JXO/lIceLij5VC359+HAJryzrJ58xIles/E4MO8nXSnkb D5hyUCY6dT+lGvpDzJL4VDZ8Mh+KcB17hAb+wOqpq4iV83KPKvq5CXK096N+qyIkiaKcLL16YI0y8 K9QfF2QvrXHmKUL/PZBzHb0HhdslM9j212Qg8Cq/bOxkLdZdzMhQ9dhRm2q3kqeE3vNqGWBuoavbl npPDkaJA==; Received: from 213-225-1-25.nat.highway.a1.net ([213.225.1.25] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1o3sS8-008Wl0-Rh; Wed, 22 Jun 2022 04:58:57 +0000 From: Christoph Hellwig To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org Subject: [PATCH 3/4] btrfs: test checker pattern corruption on raid10 Date: Wed, 22 Jun 2022 06:58:43 +0200 Message-Id: <20220622045844.3219390-4-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220622045844.3219390-1-hch@lst.de> References: <20220622045844.3219390-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org Check read repair for the case where the corruption is spread over the different legs of a raid10 set. Signed-off-by: Christoph Hellwig --- tests/btrfs/269 | 73 +++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/269.out | 41 +++++++++++++++++++++++++ 2 files changed, 114 insertions(+) create mode 100755 tests/btrfs/269 create mode 100644 tests/btrfs/269.out diff --git a/tests/btrfs/269 b/tests/btrfs/269 new file mode 100755 index 00000000..3c11da3f --- /dev/null +++ b/tests/btrfs/269 @@ -0,0 +1,73 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2022 Christoph Hellwig. +# +# FS QA Test 269 +# +# Test btrfs read repair over tricky stripe boundaries on the raid10 profile: +# +# | stripe 0 | stripe 2 +# -------------------------------- +# mirror 1 | I/O FAIL | GOOD +# mirror 2 | GOOD | CSUM FAIL +# + +. ./common/preamble +_begin_fstest auto quick read_repair + +. ./common/filter + +_supported_fs btrfs +_require_odirect +_require_non_zoned_device "${SCRATCH_DEV}" # no overwrites on zoned devices +_require_scratch_dev_pool 4 +_scratch_dev_pool_get 4 + +echo "step 1......mkfs.btrfs" + +_scratch_pool_mkfs "-d raid10 -b 1G" >>$seqres.full 2>&1 +_scratch_mount + +$XFS_IO_PROG -f -d -c "pwrite -S 0xaa -b 128K 0 128K" \ + "$SCRATCH_MNT/foobar" | \ + _filter_xfs_io_offset + +# ensure btrfs-map-logical sees the tree updates +sync + +logical=$(_btrfs_get_first_logical $SCRATCH_MNT/foobar) + +physical1=$(_btrfs_get_physical ${logical} 1) +devpath1=$(_btrfs_get_device_path ${logical} 1) + +physical4=$(_btrfs_get_physical ${logical} 3) +devpath4=$(_btrfs_get_device_path ${logical} 3) + +_scratch_unmount + +echo "step 2......corrupt file extent" + +$XFS_IO_PROG -d -c "pwrite -S 0xbd -b 64K $physical1 64K" \ + $devpath1 > /dev/null +$XFS_IO_PROG -d -c "pwrite -S 0xbb -b 64K $((physical4 + 65536)) 64K" \ + $devpath4 > /dev/null + +_scratch_mount + +echo "step 3......repair the bad copy" + +_btrfs_direct_read_on_mirror 0 2 "$SCRATCH_MNT/foobar" 0 128K +_btrfs_direct_read_on_mirror 1 2 "$SCRATCH_MNT/foobar" 0 128K + +_scratch_unmount + +echo "step 4......check if the repair worked" +$XFS_IO_PROG -d -c "pread -v -b 512 $physical1 512" $devpath1 |\ + _filter_xfs_io_offset +$XFS_IO_PROG -d -c "pread -v -b 512 $((physical4 + 65536)) 512" $devpath4 |\ + _filter_xfs_io_offset + +_scratch_dev_pool_put +# success, all done +status=0 +exit diff --git a/tests/btrfs/269.out b/tests/btrfs/269.out new file mode 100644 index 00000000..d3ad7f07 --- /dev/null +++ b/tests/btrfs/269.out @@ -0,0 +1,41 @@ +QA output created by 269 +step 1......mkfs.btrfs +wrote 131072/131072 bytes +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +step 2......corrupt file extent +step 3......repair the bad copy +step 4......check if the repair worked +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................ +read 512/512 bytes +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)