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https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
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>
75 lines
1.9 KiB
Bash
Executable File
75 lines
1.9 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2017 CTERA Networks. All Rights Reserved.
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#
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# FS QA Test 035
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#
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# Test cases that force read-only mount
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#
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# - No upper dir
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# - Failure to create work dir
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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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$CHATTR_PROG -i $workdir
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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 $seqres.full
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# real QA test starts here
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_supported_fs overlay
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# Use non-default scratch underlying overlay dirs, we need to check
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# them explicity after test.
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_require_scratch_nocheck
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_require_chattr i
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# Remove all files from previous tests
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_scratch_mkfs
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# Create multiple lowerdirs and upperdir, workdir
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lowerdir1=$OVL_BASE_SCRATCH_MNT/lower1
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lowerdir2=$OVL_BASE_SCRATCH_MNT/lower2
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upperdir=$OVL_BASE_SCRATCH_MNT/upper
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workdir=$OVL_BASE_SCRATCH_MNT/workdir
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mkdir -p $lowerdir1 $lowerdir2 $upperdir $workdir
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# Mount overlay with lower layers only.
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# Verify that overlay is mounted read-only and that it cannot be remounted rw.
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$MOUNT_PROG -t overlay -o"lowerdir=$lowerdir2:$lowerdir1" \
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$OVL_BASE_SCRATCH_MNT $SCRATCH_MNT
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touch $SCRATCH_MNT/foo 2>&1 | _filter_scratch
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$MOUNT_PROG -o remount,rw $SCRATCH_MNT 2>&1 | _filter_ro_mount
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$UMOUNT_PROG $SCRATCH_MNT
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# Make workdir immutable to prevent workdir re-create on mount
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$CHATTR_PROG +i $workdir
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# Mount overlay with upper and workdir and expect failure to re-create workdir.
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# Verify that overlay is mounted read-only and that it cannot be remounted rw.
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_overlay_scratch_mount_dirs $lowerdir2 $upperdir $workdir
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touch $SCRATCH_MNT/bar 2>&1 | _filter_scratch
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_scratch_remount rw 2>&1 | _filter_ro_mount
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# check overlayfs
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_overlay_check_scratch_dirs $lowerdir2 $upperdir $workdir
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# success, all done
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status=0
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exit
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