From mboxrd@z Thu Jan 1 00:00:00 1970 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 AA23DC433F5 for ; Thu, 25 Nov 2021 07:52:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348514AbhKYHzU (ORCPT ); Thu, 25 Nov 2021 02:55:20 -0500 Received: from mail.cn.fujitsu.com ([183.91.158.132]:61265 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S234384AbhKYHxU (ORCPT ); Thu, 25 Nov 2021 02:53:20 -0500 IronPort-Data: =?us-ascii?q?A9a23=3ASAwUe6oadlD6ZoW2V0+Zv5jSEsBeBmIEZxIvgKr?= =?us-ascii?q?LsJaIsI5as4F+vjBLWWqEaK2MajamftogYN6/9kgGu5/VytFkTAE/rH0wQiMRo?= =?us-ascii?q?6IpJ/zDcB6oYHn6wu4v7a5fx5xHLIGGdajYd1eEzvuWGuWn/SYUOZ2gHOKmUbe?= =?us-ascii?q?dYH0pHGeIdQ964f5ds79g6mJXqYjha++9kYuaT/z3YDdJ6RYtWo4nw/7rRCdUg?= =?us-ascii?q?RjHkGhwUmrSyhx8lAS2e3E9VPrzLEwqRpfyatE88uWSH44vwFwll1418SvBCvv?= =?us-ascii?q?9+lr6WkYMBLDPPwmSkWcQUK+n6vRAjnVqlP9la7xHMgEK49mKt4kZJNFlr4G5T?= =?us-ascii?q?xw4eKPKg/g1XQRaEj1lIOtN/7qvzX2X6JXMnxyeLSSyqxlpJARsVWECwc55Gn1?= =?us-ascii?q?D7uADAC4CYwrFhO+sxr+/DO52iawewGPDVG8Ekig4i2iHUrB9GtaeK5gmLORwh?= =?us-ascii?q?F8Y7v2i196FDybBVQdSUQ=3D=3D?= IronPort-HdrOrdr: =?us-ascii?q?A9a23=3ArjkJb6ndWVWuUDvrw8dba3ysVe3pDfIC3DAb?= =?us-ascii?q?v31ZSRFFG/FwWfrPoBxRviWE8Qr5OUtQ/uxoV5PwI080maQa3WAxB8bbYOCEgh?= =?us-ascii?q?rNEGgB1/qG/9XgcxeOjdK1vJ0IG8ND4bbLfDtHZLHBjDVQfexA/DD8ysqVbJ/l?= =?us-ascii?q?vhFQpF1RGttdBnxCZzpyryZNKzV7OQ=3D=3D?= X-IronPort-AV: E=Sophos;i="5.87,262,1631548800"; d="scan'208";a="117890676" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 25 Nov 2021 15:47:59 +0800 Received: from G08CNEXMBPEKD06.g08.fujitsu.local (unknown [10.167.33.206]) by cn.fujitsu.com (Postfix) with ESMTP id 3CF574D138E2 for ; Thu, 25 Nov 2021 15:47:59 +0800 (CST) Received: from G08CNEXCHPEKD09.g08.fujitsu.local (10.167.33.85) by G08CNEXMBPEKD06.g08.fujitsu.local (10.167.33.206) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Thu, 25 Nov 2021 15:47:57 +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, 25 Nov 2021 15:47:57 +0800 From: Shiyang Ruan To: Subject: [PATCH v2 08/16] generic: add mmap CoW test for unwritten&source extents Date: Thu, 25 Nov 2021 15:47:44 +0800 Message-ID: <20211125074752.274176-9-ruansy.fnst@fujitsu.com> X-Mailer: git-send-email 2.34.0 In-Reply-To: <20211125074752.274176-1-ruansy.fnst@fujitsu.com> References: <20211125074752.274176-1-ruansy.fnst@fujitsu.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-yoursite-MailScanner-ID: 3CF574D138E2.A0BB9 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 mmap mode to the source file when the CoW range covers unwritten and regular shared blocks. (MMAP version of generic/289,290) Signed-off-by: Shiyang Ruan --- tests/generic/907 | 62 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/907.out | 12 +++++++++ 2 files changed, 74 insertions(+) create mode 100755 tests/generic/907 create mode 100644 tests/generic/907.out diff --git a/tests/generic/907 b/tests/generic/907 new file mode 100755 index 00000000..61c9293a --- /dev/null +++ b/tests/generic/907 @@ -0,0 +1,62 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# FS QA Test No. 907 +# +# Ensuring that copy on write in mmap mode to the source file when the +# CoW range covers unwritten and regular shared blocks. +# (MMAP version of generic/289,290) +# - Create two files. +# - fallocate the first file. +# - Write the odd blocks of the first file. +# - Reflink the odd blocks of the first file into the second file. +# - mmap CoW the first file across the halfway mark, starting with the +# regular extent. +# - Check that the files are now different where we say they're different. +# +. ./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" + +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_unwritten $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=$((filesize / 2)) +mmapsz=$((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 +exit diff --git a/tests/generic/907.out b/tests/generic/907.out new file mode 100644 index 00000000..c18b849c --- /dev/null +++ b/tests/generic/907.out @@ -0,0 +1,12 @@ +QA output created by 907 +Format and mount +Create the original files +Compare files +b8a8a88d4c143f79900c4b4e79aa3e37 SCRATCH_MNT/test-907/file1 +ce2023f765eba19677517c511886d5c9 SCRATCH_MNT/test-907/file3 +b8a8a88d4c143f79900c4b4e79aa3e37 SCRATCH_MNT/test-907/file1.chk +mmap CoW across the transition +Compare files +e8cf59797f0b3758c8878c368bb4cf7e SCRATCH_MNT/test-907/file1 +ce2023f765eba19677517c511886d5c9 SCRATCH_MNT/test-907/file3 +e8cf59797f0b3758c8878c368bb4cf7e SCRATCH_MNT/test-907/file1.chk -- 2.34.0