2016-02-03 14:18:25 -08:00
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#! /bin/bash
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2018-06-09 11:35:45 +10:00
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
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#
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2016-02-03 14:18:25 -08:00
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# FS QA Test No. 246
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#
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# Create an empty file and try to query the (nonexistant) CoW fork.
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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 -rf $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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# real QA test starts here
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_supported_os Linux
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_supported_fs xfs
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2018-01-24 15:53:41 -08:00
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_require_xfs_debug
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2016-02-19 10:51:25 +11:00
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_require_xfs_io_command "bmap" "-c"
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2017-10-10 15:31:16 +02:00
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_require_scratch
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2016-02-03 14:18:25 -08:00
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rm -f $seqres.full
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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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echo "Create the original files"
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touch $testdir/file1
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sync
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echo "Dump extents after sync"
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echo "Hole CoW extents:"
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$XFS_IO_PROG -c "bmap -clpv" $testdir/file1 | _filter_scratch
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# success, all done
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status=0
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exit
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