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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0-or-newer
# Copyright (c) 2019, Oracle and/or its affiliates. All Rights Reserved.
#
# FS QA Test No. 570
#
# Check that we can't modify a block device that's an active swap device.
. ./common/preamble
_begin_fstest auto quick rw swap
# Override the default cleanup function.
_cleanup()
{
cd /
swapoff $SCRATCH_DEV
rm -rf $tmp.*
}
# Import common functions.
. ./common/filter
# real QA test starts here
_supported_fs generic
_require_test_program swapon
_require_scratch_nocheck
_require_block_device $SCRATCH_DEV
_require_odirect
# We cannot create swap on a zoned device because it can cause random write IOs
_require_non_zoned_device "$SCRATCH_DEV"
test -e /dev/snapshot && _notrun "userspace hibernation to swap is enabled"
$MKSWAP_PROG "$SCRATCH_DEV" >> $seqres.full
# Can you modify the swap dev via previously open file descriptors?
for verb in 1 2 3 4; do
echo "verb $verb"
"$here/src/swapon" -v $verb $SCRATCH_DEV
swapoff $SCRATCH_DEV
done
swapon $SCRATCH_DEV 2>&1 | _filter_scratch
# Can we write to it?
$XFS_IO_PROG -c 'pwrite -S 0x59 64k 64k' $SCRATCH_DEV 2>&1 | _filter_xfs_io_error
$XFS_IO_PROG -d -c 'pwrite -S 0x60 64k 64k' $SCRATCH_DEV 2>&1 | _filter_xfs_io_error
$XFS_IO_PROG -c 'mmap -rw 64k 64k' -c 'mwrite -S 0x61 64k 64k' $SCRATCH_DEV
# success, all done
status=0
exit
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