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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.
#
. ./common/preamble
_begin_fstest auto quick swap
. ./common/filter
_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)) > /dev/null
$CHATTR_PROG +c "$SCRATCH_MNT/swap" 2>&1 | grep -o "Invalid argument while setting flags"
status=0
exit
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