2018-05-16 13:38:49 -07:00
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#! /bin/bash
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2018-06-09 11:35:42 +10:00
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2018 Facebook. All Rights Reserved.
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#
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2018-05-16 13:38:49 -07:00
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# FS QA Test 495
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#
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# Test invalid swap files.
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# remove previous $seqres.full before test
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rm -f $seqres.full
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_supported_fs generic
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_supported_os Linux
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_require_scratch_swapfile
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_require_test_program mkswap
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_require_test_program swapon
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_scratch_mkfs >> $seqres.full 2>&1
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_scratch_mount
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echo "File with holes"
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# We can't use _format_swapfile because we're using our custom mkswap and
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# swapon.
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touch "$SCRATCH_MNT/swap"
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$CHATTR_PROG +C "$SCRATCH_MNT/swap" >> $seqres.full 2>&1
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chmod 0600 "$SCRATCH_MNT/swap"
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$XFS_IO_PROG -c "truncate $(($(get_page_size) * 10))" "$SCRATCH_MNT/swap"
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"$here/src/mkswap" "$SCRATCH_MNT/swap"
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"$here/src/swapon" "$SCRATCH_MNT/swap"
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swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1
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echo "Empty swap file (only swap header)"
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rm -f "$SCRATCH_MNT/swap"
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touch "$SCRATCH_MNT/swap"
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$CHATTR_PROG +C "$SCRATCH_MNT/swap" >> $seqres.full 2>&1
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chmod 0600 "$SCRATCH_MNT/swap"
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_pwrite_byte 0x61 0 $(get_page_size) "$SCRATCH_MNT/swap" >> $seqres.full
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"$here/src/mkswap" "$SCRATCH_MNT/swap"
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"$here/src/swapon" "$SCRATCH_MNT/swap"
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swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1
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status=0
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exit
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