From patchwork Tue Nov 9 03:21:07 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiyang Ruan X-Patchwork-Id: 12609653 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 316F3C433EF for ; Tue, 9 Nov 2021 03:21:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 083FE61284 for ; Tue, 9 Nov 2021 03:21:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237350AbhKIDYH (ORCPT ); Mon, 8 Nov 2021 22:24:07 -0500 Received: from mail.cn.fujitsu.com ([183.91.158.132]:51208 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S231910AbhKIDYF (ORCPT ); Mon, 8 Nov 2021 22:24:05 -0500 IronPort-Data: A9a23:vUvCpKvF7feQ1UofWndUBJU8aefnVH9cMUV32f8akzHdYEJGY0x3z2FMCz3VPPzcMTake9h/Poi//EkHvMWGmtdnTwI+/yxgHilAwSbnLY7Hdx+vZUt+DSFioHpPtpxYMp+ZRCwNZie0SiyFb/6x8hGQ6YnSHuClUbeca3goLeNZYHxJZSxLyrdRbrFA0YDR7zOl4bsekuWHULOX82cc3lE8t8pvnChSUMHa41v0iLCRicdj5zcyn1FNZH4WyDrYw3HQGuG4FcbiLwrPIS3Qw4/Xw/stIovNfrfTeUtMTKPQPBSVlzxdXK3Kbhpq/3R0i/hkcqFHLxo/ZzahxridzP1XqJW2UhZvMKvXhMwTThtZDzpje6ZB/dcrJFDm6JPLnhSXKyCEL/JGSRte0Zcj0up1HmZI+tQbJSoLYxTFgPi5qJq1UfVhndg4BNfkMZlZuXx6yzzdS/E8Tvj+rw/ijTND9G5owJkQQrCFPIxEAQeDpS/oO3VnUmr7wrpk9AtwukTCTg== IronPort-HdrOrdr: A9a23:ovluFa+WzU64wTYMbZhuk+DkI+orL9Y04lQ7vn2ZKCYlFvBw8vrCoB1173HJYUkqMk3I9ergBEDiewK4yXcW2/hzAV7KZmCP11dAR7sSj7cKrQeBJwTOssZZ1YpFN5N1EcDMCzFB5vrS0U2VFMkBzbC8nJyVuQ== X-IronPort-AV: E=Sophos;i="5.87,219,1631548800"; d="scan'208";a="117091903" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 09 Nov 2021 11:21:17 +0800 Received: from G08CNEXMBPEKD04.g08.fujitsu.local (unknown [10.167.33.201]) by cn.fujitsu.com (Postfix) with ESMTP id 5ABF74D10A08; Tue, 9 Nov 2021 11:21:15 +0800 (CST) Received: from G08CNEXJMPEKD02.g08.fujitsu.local (10.167.33.202) by G08CNEXMBPEKD04.g08.fujitsu.local (10.167.33.201) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Tue, 9 Nov 2021 11:21:15 +0800 Received: from G08CNEXCHPEKD09.g08.fujitsu.local (10.167.33.85) by G08CNEXJMPEKD02.g08.fujitsu.local (10.167.33.202) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Tue, 9 Nov 2021 11:21:14 +0800 Received: from irides.mr.mr.mr (10.167.225.141) by G08CNEXCHPEKD09.g08.fujitsu.local (10.167.33.209) with Microsoft SMTP Server id 15.0.1497.23 via Frontend Transport; Tue, 9 Nov 2021 11:21:13 +0800 From: Shiyang Ruan To: CC: "Darrick J . Wong" Subject: [PATCH v3 2/5] generic: add mmap CoW test for 'unwritten' case Date: Tue, 9 Nov 2021 11:21:07 +0800 Message-ID: <20211109032110.499427-3-ruansy.fnst@fujitsu.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211109032110.499427-1-ruansy.fnst@fujitsu.com> References: <20211109032110.499427-1-ruansy.fnst@fujitsu.com> MIME-Version: 1.0 X-yoursite-MailScanner-ID: 5ABF74D10A08.AF53C X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: ruansy.fnst@fujitsu.com Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org Check what happens if we MMAP CoW blocks 2-4 of a page's worth of blocks when the second block is a unwritten block. (MMAP version of generic/216,217) Signed-off-by: Shiyang Ruan Reviewed-by: Darrick J. Wong --- tests/generic/901 | 69 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/901.out | 6 ++++ 2 files changed, 75 insertions(+) create mode 100755 tests/generic/901 create mode 100644 tests/generic/901.out diff --git a/tests/generic/901 b/tests/generic/901 new file mode 100755 index 00000000..0e402227 --- /dev/null +++ b/tests/generic/901 @@ -0,0 +1,69 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# FS QA Test No. xxx +# +# See what happens if we MMAP CoW blocks 2-4 of a page's worth of blocks when +# the second block is a unwritten block. (MMAP version of generic/216,217) +# +# This test is dependent on the system page size, so we cannot use md5 in +# the golden output; we can only compare to a check file. +# +. ./common/preamble +_begin_fstest auto quick clone + +# Import common functions. +. ./common/filter +. ./common/reflink + +# real QA test starts here +_require_scratch_reflink +_require_xfs_io_command "falloc" + +pagesz=$(getconf PAGE_SIZE) +blksz=$((pagesz / 4)) + +echo "Format and mount" +_scratch_mkfs_blocksized $blksz > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +real_blksz=$(_get_file_block_size $testdir) +test $real_blksz != $blksz && _notrun "Failed to format with small blocksize." + +echo "Create the original files" +_pwrite_byte 0x61 0 $pagesz $testdir/file1 >> $seqres.full + +$XFS_IO_PROG -f -c "truncate $pagesz" $testdir/file2 >> $seqres.full +$XFS_IO_PROG -f -c "truncate $pagesz" $testdir/file2.chk >> $seqres.full + +$XFS_IO_PROG -f -c "falloc -k $blksz $blksz" $testdir/file2 >> $seqres.full +_pwrite_byte 0x00 $blksz $blksz $testdir/file2.chk >> $seqres.full + +$XFS_IO_PROG -f -c "falloc -k $((blksz * 3)) $blksz" $testdir/file2 >> $seqres.full +_pwrite_byte 0x00 $((blksz * 3)) $blksz $testdir/file2.chk >> $seqres.full + +_reflink_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) $blksz >> $seqres.full +_pwrite_byte 0x61 $((blksz * 2)) $blksz $testdir/file2.chk >> $seqres.full +_scratch_cycle_mount + +echo "Compare files" +cmp -s $testdir/file1 $testdir/file2 && echo "file1 and file2 should not match." +cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk don't match." + +echo "CoW and unmount" +$XFS_IO_PROG -f -c "mmap 0 $pagesz" \ + -c "mwrite -S 0x63 $((blksz + 17)) $((blksz * 3 - 34))" $testdir/file2 >> $seqres.full +$XFS_IO_PROG -f -c "mmap 0 $pagesz" \ + -c "mwrite -S 0x63 $((blksz + 17)) $((blksz * 3 - 34))" $testdir/file2.chk >> $seqres.full +_scratch_cycle_mount + +echo "Compare files" +cmp -s $testdir/file1 $testdir/file2 && echo "file1 and file2 should not match." +cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk don't match." + +# success, all done +status=0 +exit diff --git a/tests/generic/901.out b/tests/generic/901.out new file mode 100644 index 00000000..07b9b433 --- /dev/null +++ b/tests/generic/901.out @@ -0,0 +1,6 @@ +QA output created by 901 +Format and mount +Create the original files +Compare files +CoW and unmount +Compare files