From patchwork Tue Jan 2 08:43:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chandan Babu R X-Patchwork-Id: 13508900 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DA38863B2; Tue, 2 Jan 2024 08:44:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="aaBFR6Hr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 34BDDC433C8; Tue, 2 Jan 2024 08:44:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704185089; bh=TqUw30VBClGf8EBzxFLjIwlFwak5WEgzCq6DETQbdyI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aaBFR6HrK+uHcu5HexeMXMB3F6c2Fh0y7A7RNc6Fo8aVK3CnQ+7oV/74dk+Cmxpxq lOFPEXeFs1+3JE3F8AGDK3oQlPj0FDxfAXlrTRB5CuUrizTRxHmW2ydMiBSZfiK8r8 QiHz3hbrHlSO/CXOV9Xrk49DzkdOAw1+x+LidBxxhCmjh3Ttl2lj/O1UyNwFEhRgCN kUz7U8i7WPSmLZoEwsdrsx/d7kI1nHTFk4cYiMHnMxpUUpsc8KLu7YF/RWl2ppw9Wn bBtv1vz6AXWNqB4f03RE1j0sx7rHC0WMdr+BoYfjmQS3qzxaKrDXamsV1Q1I0zLYVJ omAUr/LHC+hkQ== From: Chandan Babu R To: fstests@vger.kernel.org Cc: Chandan Babu R , linux-xfs@vger.kernel.org, djwong@kernel.org, zlang@redhat.com Subject: [PATCH 5/5] xfs: Check correctness of metadump/mdrestore's ability to work with dirty log Date: Tue, 2 Jan 2024 14:13:52 +0530 Message-ID: <20240102084357.1199843-6-chandanbabu@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240102084357.1199843-1-chandanbabu@kernel.org> References: <20240102084357.1199843-1-chandanbabu@kernel.org> Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add a new test to verify if metadump/mdrestore are able to dump and restore the contents of a dirty log. Signed-off-by: Chandan Babu R --- tests/xfs/801 | 115 ++++++++++++++++++++++++++++++++++++++++++++++ tests/xfs/801.out | 14 ++++++ 2 files changed, 129 insertions(+) create mode 100755 tests/xfs/801 create mode 100644 tests/xfs/801.out diff --git a/tests/xfs/801 b/tests/xfs/801 new file mode 100755 index 00000000..3ed559df --- /dev/null +++ b/tests/xfs/801 @@ -0,0 +1,115 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2024 Oracle, Inc. All Rights Reserved. +# +# FS QA Test 801 +# +# Test metadump/mdrestore's ability to dump a dirty log and restore it +# correctly. +# +. ./common/preamble +_begin_fstest auto quick metadump log logprint punch + +# Override the default cleanup function. +_cleanup() +{ + cd / + rm -r -f $tmp.* + _scratch_unmount > /dev/null 2>&1 +} + +# Import common functions. +. ./common/dmflakey +. ./common/inject + +# real QA test starts here +_supported_fs xfs +_require_scratch +_require_test +_require_xfs_debug +_require_xfs_io_error_injection log_item_pin +_require_dm_target flakey +_require_xfs_io_command "pwrite" +_require_test_program "punch-alternating" + +metadump_file=${TEST_DIR}/${seq}.md +testfile=${SCRATCH_MNT}/testfile + +echo "Format filesystem on scratch device" +_scratch_mkfs >> $seqres.full 2>&1 + +max_md_version=1 +_scratch_metadump_v2_supported && max_md_version=2 + +external_log=0 +if [[ $USE_EXTERNAL = yes && -n "$SCRATCH_LOGDEV" ]]; then + external_log=1 +fi + +if [[ $max_md_version == 1 && $external_log == 1 ]]; then + _notrun "metadump v1 does not support external log device" +fi + +echo "Initialize and mount filesystem on flakey device" +_init_flakey +_load_flakey_table $FLAKEY_ALLOW_WRITES +_mount_flakey + +echo "Create test file" +$XFS_IO_PROG -s -f -c "pwrite 0 5M" $testfile >> $seqres.full + +echo "Punch alternative blocks of test file" +$here/src/punch-alternating $testfile + +echo "Mount cycle the filesystem on flakey device" +_unmount_flakey +_mount_flakey + +device=$(readlink -f $FLAKEY_DEV) +device=$(_short_dev $device) + +echo "Pin log items in the AIL" +echo 1 > /sys/fs/xfs/${device}/errortag/log_item_pin + +echo "Create two checkpoint transactions on ondisk log" +for ct in $(seq 1 2); do + offset=$(xfs_io -c 'fiemap' $testfile | tac | grep -v hole | \ + head -n 1 | awk -F '[\\[.]' '{ print $2 * 512; }') + $XFS_IO_PROG -c "truncate $offset" -c fsync $testfile +done + +echo "Drop writes to filesystem from here onwards" +_load_flakey_table $FLAKEY_DROP_WRITES + +echo "Unpin log items in AIL" +echo 0 > /sys/fs/xfs/${device}/errortag/log_item_pin + +echo "Unmount filesystem on flakey device" +_unmount_flakey + +echo "Clean up flakey device" +_cleanup_flakey + +echo -n "Filesystem has a " +_print_logstate + +echo "Create metadump file, restore it and check restored fs" +for md_version in $(seq 1 $max_md_version); do + [[ $md_version == 1 && $external_log == 1 ]] && continue + + version="" + if [[ $max_md_version == 2 ]]; then + version="-v $md_version" + fi + + _scratch_xfs_metadump $metadump_file -a -o $version + _scratch_xfs_mdrestore $metadump_file + + _scratch_mount + _check_scratch_fs + _scratch_unmount +done + +# success, all done +status=0 +exit diff --git a/tests/xfs/801.out b/tests/xfs/801.out new file mode 100644 index 00000000..a2f2abca --- /dev/null +++ b/tests/xfs/801.out @@ -0,0 +1,14 @@ +QA output created by 801 +Format filesystem on scratch device +Initialize and mount filesystem on flakey device +Create test file +Punch alternative blocks of test file +Mount cycle the filesystem on flakey device +Pin log items in the AIL +Create two checkpoint transactions on ondisk log +Drop writes to filesystem from here onwards +Unpin log items in AIL +Unmount filesystem on flakey device +Clean up flakey device +Filesystem has a dirty log +Create metadump file, restore it and check restored fs