Return-Path: Received: from mx141.netapp.com ([216.240.21.12]:34231 "EHLO mx141.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752057AbcLHSt0 (ORCPT ); Thu, 8 Dec 2016 13:49:26 -0500 From: Anna Schumaker To: CC: , , Subject: [PATCH v4 3/5] generic/394: Add copy test that overwrites data Date: Thu, 8 Dec 2016 13:49:06 -0500 Message-ID: <20161208184909.23321-4-Anna.Schumaker@Netapp.com> In-Reply-To: <20161208184909.23321-1-Anna.Schumaker@Netapp.com> References: <20161208184909.23321-1-Anna.Schumaker@Netapp.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-nfs-owner@vger.kernel.org List-ID: Using copy to overwrite data in the destination file is perfectly valid, so let's make sure this case works as expected. Signed-off-by: Anna Schumaker --- tests/generic/394 | 100 ++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/394.out | 17 +++++++++ tests/generic/group | 1 + 3 files changed, 118 insertions(+) create mode 100755 tests/generic/394 create mode 100644 tests/generic/394.out diff --git a/tests/generic/394 b/tests/generic/394 new file mode 100755 index 0000000..8095644 --- /dev/null +++ b/tests/generic/394 @@ -0,0 +1,100 @@ +#!/bin/bash +# FS QA Test No. 394 +# +# Tests vfs_copy_file_range(): +# - Copy a file +# - Use copy to swap data at beginning and end +# - Use copy to swap data in the middle +# - Use copy to simultaneously overwrite and append to destination file +#----------------------------------------------------------------------- +# Copyright (c) 2016 Netapp, Inc. All rights reserved. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it would be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +#----------------------------------------------------------------------- +# + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -rf $tmp.* +} + +# get standard environment +. common/rc +. common/filter + +# real QA test starts here +_supported_fs generic +_supported_os Linux + +_require_xfs_io_command "copy_range" +_require_test + +testdir=$TEST_DIR/test-$seq +rm -rf $testdir +mkdir $testdir +rm -f $seqres.full + +echo "Create the original file and then copy" +$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 1000' $testdir/file >> $seqres.full 2>&1 +$XFS_IO_PROG -f -c 'pwrite -S 0x62 1000 1000' $testdir/file >> $seqres.full 2>&1 +$XFS_IO_PROG -f -c 'pwrite -S 0x63 2000 1000' $testdir/file >> $seqres.full 2>&1 +$XFS_IO_PROG -f -c 'pwrite -S 0x64 3000 1000' $testdir/file >> $seqres.full 2>&1 +$XFS_IO_PROG -f -c 'pwrite -S 0x65 4000 1000' $testdir/file >> $seqres.full 2>&1 +$XFS_IO_PROG -f -c "copy_range $testdir/file" "$testdir/copy" +cmp $testdir/file $testdir/copy +echo "Original md5sums:" +md5sum $testdir/{file,copy} | _filter_test_dir + +echo "Swap beginning and end of original file" +$XFS_IO_PROG -f -c "copy_range -s 4000 -l 1000 $testdir/file" "$testdir/copy" +$XFS_IO_PROG -f -c "copy_range -d 4000 -l 1000 $testdir/file" "$testdir/copy" +cmp -n 1000 $testdir/file $testdir/copy 4000 +cmp -n 3000 $testdir/file $testdir/copy 1000 1000 +cmp -n 1000 $testdir/file $testdir/copy 0 4000 +echo "md5sums after swapping beginning and end:" +md5sum $testdir/{file,copy} | _filter_test_dir + +echo "Swap middle parts of original file" +$XFS_IO_PROG -f -c "copy_range -s 1000 -d 3000 -l 1000 $testdir/file" "$testdir/copy" +$XFS_IO_PROG -f -c "copy_range -s 3000 -d 1000 -l 1000 $testdir/file" "$testdir/copy" +cmp -n 1000 $testdir/file $testdir/copy 4000 +cmp -n 1000 $testdir/file $testdir/copy 3000 1000 +cmp -n 1000 $testdir/file $testdir/copy 2000 2000 +cmp -n 1000 $testdir/file $testdir/copy 1000 3000 +cmp -n 1000 $testdir/file $testdir/copy 0 4000 +echo "md5sums after swapping middle:" +md5sum $testdir/{file,copy} | _filter_test_dir + +echo "Copy tail of original file onto copy" +$XFS_IO_PROG -f -c "copy_range -s 1000 -d 3000 -l 4000 $testdir/file" "$testdir/copy" +cmp -n 1000 $testdir/file $testdir/copy 4000 +cmp -n 1000 $testdir/file $testdir/copy 3000 1000 +cmp -n 1000 $testdir/file $testdir/copy 2000 2000 +cmp -n 4000 $testdir/file $testdir/copy 1000 3000 +echo "md5sums after copying tail:" +md5sum $testdir/{file,copy} | _filter_test_dir + +#success, all done +status=0 +exit diff --git a/tests/generic/394.out b/tests/generic/394.out new file mode 100644 index 0000000..4121d24 --- /dev/null +++ b/tests/generic/394.out @@ -0,0 +1,17 @@ +QA output created by 394 +Create the original file and then copy +Original md5sums: +e11fbace556cba26bf0076e74cab90a3 TEST_DIR/test-394/file +e11fbace556cba26bf0076e74cab90a3 TEST_DIR/test-394/copy +Swap beginning and end of original file +md5sums after swapping beginning and end: +e11fbace556cba26bf0076e74cab90a3 TEST_DIR/test-394/file +5f4e111811dd9a810143c9db9bec6d80 TEST_DIR/test-394/copy +Swap middle parts of original file +md5sums after swapping middle: +e11fbace556cba26bf0076e74cab90a3 TEST_DIR/test-394/file +8c81889a5a50b311197110bcf769a695 TEST_DIR/test-394/copy +Copy tail of original file onto copy +md5sums after copying tail: +e11fbace556cba26bf0076e74cab90a3 TEST_DIR/test-394/file +e5fbacd993eaa5e80ebc2b14b969887d TEST_DIR/test-394/copy diff --git a/tests/generic/group b/tests/generic/group index 7b40a3d..00f4f46 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -396,3 +396,4 @@ 391 auto quick rw 392 auto quick copy 393 auto quick copy +394 auto quick copy -- 2.10.2