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https://github.com/linux-apfs/apfstests.git
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Darrick J. Wong
a860a167d8
fstests only supports Linux, so get rid of this unnecessary predicate. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
66 lines
1.3 KiB
Bash
Executable File
66 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) 2017 Red Hat Inc. All Rights Reserved.
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#
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# FS QA Test 028
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#
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# When file in lower dir is locked and it's been copied up,
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# make sure the lock is working in overlayfs.
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#
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# Kernel commit below fixed it.
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# c568d68341be locks: fix file locking on overlayfs
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#
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# This reproducer was originally written by
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# Miklos Szeredi <mszeredi@redhat.com>
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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 $seqres.full
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# real QA test starts here
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# Modify as appropriate.
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_supported_fs overlay
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_require_scratch
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_require_command "$FLOCK_PROG" flock
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# Remove all files from previous tests
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_scratch_mkfs
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lowerdir=$OVL_BASE_SCRATCH_MNT/$OVL_LOWER
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mkdir -p $lowerdir
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touch $lowerdir/foo
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# Mounting overlay
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_scratch_mount
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# Testing copyup and flock
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flock $SCRATCH_MNT/foo sleep 3 &
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# flock in subshell should fail with no output
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(sleep 1; echo bar > $SCRATCH_MNT/foo; \
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flock -n $SCRATCH_MNT/foo echo LOCKED)
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wait
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echo "Silence is golden"
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# success, all done
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status=0
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exit
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