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apfstests/tests/btrfs/173
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 173
#
# Test swap file activation restrictions specific to Btrfs, swap file can't be
# CoW file nor compressed file.
#
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
rm -f $seqres.full
_supported_fs btrfs
_require_scratch_swapfile
_scratch_mkfs >> $seqres.full 2>&1
_scratch_mount
echo "COW file"
# We can't use _format_swapfile because we don't want chattr +C, and we can't
# unset it after the swap file has been created.
rm -f "$SCRATCH_MNT/swap"
touch "$SCRATCH_MNT/swap"
chmod 0600 "$SCRATCH_MNT/swap"
_pwrite_byte 0x61 0 $(($(get_page_size) * 10)) "$SCRATCH_MNT/swap" >> $seqres.full
$MKSWAP_PROG "$SCRATCH_MNT/swap" >> $seqres.full
swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch
swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1
echo "Compressed file"
rm -f "$SCRATCH_MNT/swap"
_format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10))
$CHATTR_PROG +c "$SCRATCH_MNT/swap" 2>&1 | grep -o "Invalid argument while setting flags"
status=0
exit