2018-05-16 13:38:48 -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 13:38:48 -07:00
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# FS QA Test 494
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#
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# Test truncation/hole punching of an active swapfile.
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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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. ./common/rc
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. ./common/filter
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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_xfs_io_command "fpunch"
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echo "Format and mount"
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_scratch_mkfs > $seqres.full 2>&1
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_scratch_mount >> $seqres.full 2>&1
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testdir="$SCRATCH_MNT/test-$seq"
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mkdir "$testdir"
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blocks=160
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blksz=65536
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echo "Initialize file"
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_format_swapfile "$testdir/file1" $((blocks * blksz))
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swapon "$testdir/file1"
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echo "Try to truncate"
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$XFS_IO_PROG -c "truncate $blksz" "$testdir/file1"
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echo "Try to punch hole"
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$XFS_IO_PROG -c "fpunch $blksz $((2 * blksz))" "$testdir/file1"
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echo "Tear it down"
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swapoff "$testdir/file1"
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status=0
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exit
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