Files
apfstests/tests/generic/493
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) 2018 Facebook. All Rights Reserved.
#
# FS QA Test 493
#
# Check that we can't dedupe a swapfile.
#
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 -f $tmp.*
}
. ./common/rc
. ./common/filter
. ./common/reflink
rm -f $seqres.full
_supported_fs generic
_require_scratch_swapfile
_require_scratch_dedupe
echo "Format and mount"
_scratch_mkfs > $seqres.full 2>&1
_scratch_mount >> $seqres.full 2>&1
testdir="$SCRATCH_MNT/test-$seq"
mkdir "$testdir"
blocks=160
blksz=65536
echo "Initialize file"
_format_swapfile "$testdir/file1" $((blocks * blksz))
swapon "$testdir/file1"
touch "$testdir/file2"
$CHATTR_PROG +C "$testdir/file2" >/dev/null 2>&1
echo "Try to dedupe"
cp "$testdir/file1" "$testdir/file2"
_dedupe_range "$testdir/file1" 0 "$testdir/file2" 0 $((blocks * blksz))
_dedupe_range "$testdir/file2" 0 "$testdir/file1" 0 $((blocks * blksz))
echo "Tear it down"
swapoff "$testdir/file1"
status=0
exit