mirror of
https://github.com/linux-apfs/apfstests.git
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Dave Chinner
0c1a95d067
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
58 lines
1.3 KiB
Bash
Executable File
58 lines
1.3 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2016 SUSE Linux Products GmbH. All Rights Reserved.
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#
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# FS QA Test 002
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#
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# Test that calling fsync against a file using the merged directory does not
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# result in a crash nor fails unexpectedly.
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#
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# This is motivated by a change in overlayfs that resulted in a crash (invalid
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# memory access) when the lower or upper directory belonged to a btrfs file
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# system.
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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 $seqres.full
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# real QA test starts here
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_supported_fs overlay
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_supported_os Linux
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_require_scratch
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# Remove all files from previous tests
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_scratch_mkfs
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# Create our test file.
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lowerdir=$OVL_BASE_SCRATCH_MNT/$OVL_LOWER
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mkdir -p $lowerdir
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touch $lowerdir/foobar
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_scratch_mount
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# Write some data to our file and fsync it, using the merged directory path.
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# This should work and not result in a crash.
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$XFS_IO_PROG -c "pwrite 0 64k" -c "fsync" $SCRATCH_MNT/foobar | _filter_xfs_io
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# success, all done
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status=0
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exit
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