From patchwork Thu Nov 11 08:51:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiyang Ruan X-Patchwork-Id: 12614425 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 CD4FDC433FE for ; Thu, 11 Nov 2021 08:51:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B5B3361989 for ; Thu, 11 Nov 2021 08:51:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232565AbhKKIyY (ORCPT ); Thu, 11 Nov 2021 03:54:24 -0500 Received: from mail.cn.fujitsu.com ([183.91.158.132]:31067 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S232513AbhKKIyV (ORCPT ); Thu, 11 Nov 2021 03:54:21 -0500 IronPort-Data: A9a23:LHGxKqJkJY+zuy2EFE+RzZclxSXFcZb7ZxGrkP8bfHC90D921jMDzDMfW2qFP/uKYDf2f9ggPI+38x4OvsDcmoNqS1BcGVNFFSwT8ZWfbTi6wuYcBwvLd4ubChsPA/w2MrEsF+hpCC+DzvuRGuK59yAljPjQHueU5NPsYUideyc1EU/Ntjozw4bVsqYw6TSIK1vlVeHa+qUzC3f5s9JACV/43orYwP9ZUFsejxtD1rA2TagjUFYzDBD5BrpHTU26ByOQroW5goeHq+j/ILGRpgs1/j8mDJWrj7T6blYXBLXVOGBiiFIPA+773EcE/Xd0j87XN9JFAatToy+UltZq2ZNDs4esYQk0PKzQg/lbWB5de817FfQfp+WefSDk7aR/yGWDKRMA2c5GAloqMJYE4c5pDmxUs/8VMjYAalaEne3e/V4RYoGAnex6dI+yYtxZ4SomkFnk4T8dacira833CRVwjV/cXvxzIMs= IronPort-HdrOrdr: A9a23:MofVJa9dKZvi8K21cdduk+DkI+orL9Y04lQ7vn2ZKCYlFvBw8vrCoB1173HJYUkqMk3I9ergBEDiewK4yXcW2/hzAV7KZmCP11dAR7sSj7cKrQeBJwTOssZZ1YpFN5N1EcDMCzFB5vrS0U2VFMkBzbC8nJyVuQ== X-IronPort-AV: E=Sophos;i="5.87,225,1631548800"; d="scan'208";a="117214034" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 11 Nov 2021 16:51:18 +0800 Received: from G08CNEXMBPEKD04.g08.fujitsu.local (unknown [10.167.33.201]) by cn.fujitsu.com (Postfix) with ESMTP id 8A9D84D10A19 for ; Thu, 11 Nov 2021 16:51:14 +0800 (CST) Received: from G08CNEXCHPEKD09.g08.fujitsu.local (10.167.33.85) by G08CNEXMBPEKD04.g08.fujitsu.local (10.167.33.201) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Thu, 11 Nov 2021 16:51:15 +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; Thu, 11 Nov 2021 16:51:13 +0800 From: Shiyang Ruan To: Subject: [PATCH 13/13] generic: add mmap CoW test for mixed&source extents Date: Thu, 11 Nov 2021 16:51:06 +0800 Message-ID: <20211111085106.937684-14-ruansy.fnst@fujitsu.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211111085106.937684-1-ruansy.fnst@fujitsu.com> References: <20211111085106.937684-1-ruansy.fnst@fujitsu.com> MIME-Version: 1.0 X-yoursite-MailScanner-ID: 8A9D84D10A19.AF3C2 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 Ensuring that copy on write in buffered mode works when the CoW range originally covers multiple extents, mixed with reflinked, unwritten, hole, regular and delalloc blocks. Signed-off-by: Shiyang Ruan --- tests/generic/921 | 67 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/921.out | 12 ++++++++ 2 files changed, 79 insertions(+) create mode 100755 tests/generic/921 create mode 100644 tests/generic/921.out diff --git a/tests/generic/921 b/tests/generic/921 new file mode 100755 index 00000000..7c463143 --- /dev/null +++ b/tests/generic/921 @@ -0,0 +1,67 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# FS QA Test No. xxx +# +# Ensuring that copy on write in mmap mode works when the CoW +# range originally covers multiple extents, mixed with reflinked, unwritten, +# hole, regular and delalloc blocks. +# - Create a file with the following repeating sequence of blocks: +# 1. reflinked +# 2. unwritten +# 3. hole +# 4. regular block +# 5. delalloc +# - mmap CoW across the halfway mark, starting with the unwritten extent. +# - Check that the files are now different where we say they're different. +# +. ./common/preamble +_begin_fstest auto quick clone punch + +# Import common functions. +. ./common/filter +. ./common/reflink + +# real QA test starts here +_require_scratch_reflink +_require_xfs_io_command "falloc" +_require_xfs_io_command "fpunch" +_require_cp_reflink +_require_odirect + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +echo "Create the original files" +blksz=65536 +nr=64 +filesize=$((blksz * nr)) +_sweave_reflink_rainbow $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full +_scratch_cycle_mount + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file3 | _filter_scratch +md5sum $testdir/file1.chk | _filter_scratch + +echo "mmap CoW across the transition" +cowoff=$((filesize / 4)) +cowsz=$((filesize / 2)) +_sweave_reflink_rainbow_delalloc $blksz $nr $testdir/file1 >> $seqres.full +# now cow +mmapsz=$((cowoff + cowsz)) +_mwrite_byte 0x63 $cowoff $cowsz $mmapsz $testdir/file1 >> $seqres.full +_mwrite_byte 0x63 $cowoff $cowsz $mmapsz $testdir/file1.chk >> $seqres.full +_scratch_cycle_mount + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file3 | _filter_scratch +md5sum $testdir/file1.chk | _filter_scratch + +# success, all done +status=0 diff --git a/tests/generic/921.out b/tests/generic/921.out new file mode 100644 index 00000000..3405a4df --- /dev/null +++ b/tests/generic/921.out @@ -0,0 +1,12 @@ +QA output created by 921 +Format and mount +Create the original files +Compare files +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-921/file1 +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-921/file3 +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-921/file1.chk +mmap CoW across the transition +Compare files +26aa3a0749b867ec58363c8539ee5471 SCRATCH_MNT/test-921/file1 +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-921/file3 +26aa3a0749b867ec58363c8539ee5471 SCRATCH_MNT/test-921/file1.chk