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apfstests/tests/generic/181
T
Darrick J. Wong a860a167d8 common: kill _supported_os
fstests only supports Linux, so get rid of this unnecessary predicate.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
2020-09-21 01:16:50 +08:00

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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
#
# FS QA Test No. 181
#
# Test the convention that reflink with length == 0 means "to the end of fileA"
# - Create a file.
# - Try to reflink "zero" bytes.
# - Check that the reflink happened.
#
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.* $testdir
}
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/reflink
# real QA test starts here
_require_test_reflink
_require_cp_reflink
rm -f $seqres.full
testdir=$TEST_DIR/test-$seq
rm -rf $testdir
mkdir $testdir
echo "Create the original files"
blksz=65536
_pwrite_byte 0x61 0 $((blksz * 256)) $testdir/file1 >> $seqres.full
_pwrite_byte 0x62 0 $((blksz * 256)) $testdir/file2 >> $seqres.full
_pwrite_byte 0x62 0 $((blksz * 2)) $testdir/file2.chk >> $seqres.full
_pwrite_byte 0x61 $((blksz * 2)) $((blksz * 255)) $testdir/file2.chk >> $seqres.full
_reflink_range $testdir/file1 $blksz $testdir/file2 $((blksz * 2)) 0 >> $seqres.full
_test_cycle_mount
md5sum $testdir/file1 | _filter_test_dir
md5sum $testdir/file2 | _filter_test_dir
md5sum $testdir/file2.chk | _filter_test_dir
c1=$(_md5_checksum $testdir/file1)
c2=$(_md5_checksum $testdir/file2)
test ${c1} != ${c2} || echo "file1 and file2 should not match"
echo "Compare against check files"
cmp -s $testdir/file2 $testdir/file2.chk || echo "file2 and file2.chk do not match"
# success, all done
status=0
exit