From patchwork Tue May 24 07:18:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12859751 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 E16B0C433F5 for ; Tue, 24 May 2022 07:19:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235103AbiEXHTO (ORCPT ); Tue, 24 May 2022 03:19:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233873AbiEXHTO (ORCPT ); Tue, 24 May 2022 03:19:14 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8D446A078; Tue, 24 May 2022 00:19:12 -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=U4POiPGcCApbVHdjGILX83gS5YAX8mcw/sh68KvwtG8=; b=uHZmhMvRtb3k7vHFb60XOAzTHA NUZjHkKHOgnNw4qdCvuxObJ7vjjooIMFBO1boerrbC7esK1NsKXh8wotlUFWuM7SCiFaxGg7O4NnA 3AZqXuDaiVV7TeffZy25lcu0Y/XwD/wNMPVNmweRkgk4fhbl40UfDYK72IISLXTEsemh6lkLSinWi nM6852sVI99DoZ+GEjoq5xzBwyc6vBJiq1Rkc6jJOQSonUJ9Zq2DeRW9Ek7kdmh92RwfJphHYqhmB ujMPMm/qjjsy19GxGFeyxq3vnlexRsE8/T5g6LedruI65UeC9VccXDF2DpTJkGC/iz6/Q9U7FCb6E ORuOcDzw==; Received: from [2001:4bb8:18c:7298:31fd:9579:b449:3c3a] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1ntOoy-0073Lc-4n; Tue, 24 May 2022 07:19:12 +0000 From: Christoph Hellwig To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org Subject: [PATCH 9/9] btrfs: test repair with corrupted sectors interleaved over multiple mirrors Date: Tue, 24 May 2022 09:18:38 +0200 Message-Id: <20220524071838.715013-10-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220524071838.715013-1-hch@lst.de> References: <20220524071838.715013-1-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 Test that repair handles the case where it needs to read from more than a single mirror on the raid1c3 profile and needs to take turns over the mirrors to recover data for the whole read. Signed-off-by: Christoph Hellwig Reviewed-by: Qu Wenruo --- tests/btrfs/266 | 94 ++++++++++++++++++++++++++++++++++++++ tests/btrfs/266.out | 109 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 203 insertions(+) create mode 100755 tests/btrfs/266 create mode 100644 tests/btrfs/266.out diff --git a/tests/btrfs/266 b/tests/btrfs/266 new file mode 100755 index 00000000..43f4dff2 --- /dev/null +++ b/tests/btrfs/266 @@ -0,0 +1,94 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2017 Liu Bo. All Rights Reserved. +# Copyright (c) 2022 Christoph Hellwig. +# +# FS QA Test 266 +# +# Test that btrfs raid repair on a raid1c3 profile can repair interleaving +# errors on all mirrors. +# + +. ./common/preamble +_begin_fstest auto quick read_repair + +# Import common functions. +. ./common/filter + +# real QA test starts here + +_supported_fs btrfs +_require_scratch_dev_pool 3 + +_require_odirect +# Overwriting data is forbidden on a zoned block device +_require_non_zoned_device "${SCRATCH_DEV}" + +_scratch_dev_pool_get 3 +# step 1, create a raid1 btrfs which contains one 128k file. +echo "step 1......mkfs.btrfs" + +mkfs_opts="-d raid1c3 -b 1G" +_scratch_pool_mkfs $mkfs_opts >>$seqres.full 2>&1 + +# make sure data is written to the start position of the data chunk +_scratch_mount $(_btrfs_no_v1_cache_opt) + +$XFS_IO_PROG -f -d -c "pwrite -S 0xaa -b 256K 0 256K" \ + "$SCRATCH_MNT/foobar" | \ + _filter_xfs_io_offset + +# step 2, corrupt 4k in each copy +echo "step 2......corrupt file extent" + +# ensure btrfs-map-logical sees the tree updates +sync + +logical=$(_btrfs_get_first_logical $SCRATCH_MNT/foobar) + +physical1=$(_btrfs_get_physical ${logical} 1) +devpath1=$(_btrfs_get_device_path ${logical} 1) + +physical2=$(_btrfs_get_physical ${logical} 2) +devpath2=$(_btrfs_get_device_path ${logical} 2) + +physical3=$(_btrfs_get_physical ${logical} 3) +devpath3=$(_btrfs_get_device_path ${logical} 3) + +_scratch_unmount + +$XFS_IO_PROG -d -c "pwrite -S 0xbd -b 64K $physical3 64K" \ + $devpath3 > /dev/null + +$XFS_IO_PROG -d -c "pwrite -S 0xba -b 64K $physical1 128K" \ + $devpath1 > /dev/null + +$XFS_IO_PROG -d -c "pwrite -S 0xbb -b 64K $((physical2 + 65536)) 128K" \ + $devpath2 > /dev/null + +$XFS_IO_PROG -d -c "pwrite -S 0xbc -b 64K $((physical3 + (2 * 65536))) 128K" \ + $devpath3 > /dev/null + +_scratch_mount + +# step 3, 128k dio read (this read can repair bad copy) +echo "step 3......repair the bad copy" + +_btrfs_buffered_read_on_mirror 0 3 "$SCRATCH_MNT/foobar" 0 256K +_btrfs_buffered_read_on_mirror 1 3 "$SCRATCH_MNT/foobar" 0 256K +_btrfs_buffered_read_on_mirror 2 3 "$SCRATCH_MNT/foobar" 0 256K + +_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 $physical2 512" $devpath2 |\ + _filter_xfs_io_offset +$XFS_IO_PROG -d -c "pread -v -b 512 $physical3 512" $devpath3 |\ + _filter_xfs_io_offset + +_scratch_dev_pool_put +# success, all done +status=0 +exit diff --git a/tests/btrfs/266.out b/tests/btrfs/266.out new file mode 100644 index 00000000..fcf2f5b8 --- /dev/null +++ b/tests/btrfs/266.out @@ -0,0 +1,109 @@ +QA output created by 266 +step 1......mkfs.btrfs +wrote 262144/262144 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) +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) +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)