Return-Path: Received: from mx144.netapp.com ([216.240.21.25]:29725 "EHLO mx144.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932177AbcLHSt1 (ORCPT ); Thu, 8 Dec 2016 13:49:27 -0500 From: Anna Schumaker To: CC: , , Subject: [PATCH v4 4/5] generic/395: Add a copy test for overwriting small amounts of data Date: Thu, 8 Dec 2016 13:49:07 -0500 Message-ID: <20161208184909.23321-5-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: This test is similar to 345, except that it copies one byte at a time to make sure that this case works as expected. Signed-off-by: Anna Schumaker --- tests/generic/395 | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++ tests/generic/395.out | 17 ++++++++++ tests/generic/group | 1 + 3 files changed, 105 insertions(+) create mode 100755 tests/generic/395 create mode 100644 tests/generic/395.out diff --git a/tests/generic/395 b/tests/generic/395 new file mode 100755 index 0000000..993a356 --- /dev/null +++ b/tests/generic/395 @@ -0,0 +1,87 @@ +#!/bin/bash +# FS QA Test No. 395 +# +# Tests vfs_copy_file_range(): +# - Copy a small file +# - Use copy to swap data at beginning and end +# - Use copy to swap data in the middle +# - Use copy to swap data in a small 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" +echo -n "abcde" > $testdir/file +$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 0 -d 4 -l 1 $testdir/file" "$testdir/copy" +$XFS_IO_PROG -f -c "copy_range -s 4 -d 0 -l 1 $testdir/file" "$testdir/copy" +echo -n "ebcda" | cmp $testdir/copy +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 1 -d 3 -l 1 $testdir/file" "$testdir/copy" +$XFS_IO_PROG -f -c "copy_range -s 3 -d 1 -l 1 $testdir/file" "$testdir/copy" +echo -n "edcba" | cmp $testdir/copy +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 1 -d 3 -l 4 $testdir/file" "$testdir/copy" +echo -n "edcbcde" | cmp $testdir/copy +echo "md5sums after copying tail:" +md5sum $testdir/{file,copy} | _filter_test_dir + +#success, all done +status=0 +exit diff --git a/tests/generic/395.out b/tests/generic/395.out new file mode 100644 index 0000000..f120056 --- /dev/null +++ b/tests/generic/395.out @@ -0,0 +1,17 @@ +QA output created by 395 +Create the original file and then copy +Original md5sums: +ab56b4d92b40713acc5af89985d4b786 TEST_DIR/test-395/file +ab56b4d92b40713acc5af89985d4b786 TEST_DIR/test-395/copy +Swap beginning and end of original file +md5sums after swapping beginning and end: +ab56b4d92b40713acc5af89985d4b786 TEST_DIR/test-395/file +32db1f6d06d15f7e38e1ab1c69da498a TEST_DIR/test-395/copy +Swap middle parts of original file +md5sums after swapping middle: +ab56b4d92b40713acc5af89985d4b786 TEST_DIR/test-395/file +295228f3d82d344bbcf2f0030519c2ea TEST_DIR/test-395/copy +Copy tail of original file onto copy +md5sums after copying tail: +ab56b4d92b40713acc5af89985d4b786 TEST_DIR/test-395/file +0c4aac952f72fa078e2f8419aca70b28 TEST_DIR/test-395/copy diff --git a/tests/generic/group b/tests/generic/group index 00f4f46..2b50ddb 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -397,3 +397,4 @@ 392 auto quick copy 393 auto quick copy 394 auto quick copy +395 auto quick copy -- 2.10.2