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https://github.com/linux-apfs/apfstests.git
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zhangyi (F)
4a73ad6ec8
_check_overlay_scratch_fs() will check lowerdir of overlay filesystem, this case remove this directory after test will lead to check failure, and it is not really necessary to remove this directory, so keep this directory. Signed-off-by: zhangyi (F) <yi.zhang@huawei.com> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
99 lines
2.7 KiB
Bash
Executable File
99 lines
2.7 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test 003
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#
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# Test overlayfs basic whiteout.
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#
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# Overlayfs whiteout can be visible if underlying upper fs does not
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# support d_type. Kernel commit
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# 45aebea (ovl: Ensure upper filesystem supports d_type)
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# prevents mounting overlayfs like this since v4.6-rc1.
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# No harm to keep this test as a sanity check.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2016 Red Hat Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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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 $seqres.full
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# real QA test starts here
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# Modify as appropriate.
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_supported_fs overlay
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_supported_os Linux
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_require_scratch
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# Remove all files from previous tests
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_scratch_mkfs
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# Create test files dirs in lower dir
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lowerdir=${OVL_BASE_SCRATCH_MNT}/${OVL_LOWER}
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mkdir -p $lowerdir
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touch ${lowerdir}/test_file
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ln -s ${lowerdir}/test_file ${lowerdir}/test_softlink_file
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ln ${lowerdir}/test_file ${lowerdir}/test_hardlink_file
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mkdir -p ${lowerdir}/test_dir
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ln -s ${lowerdir}/test_dir ${lowerdir}/test_softlink_dir
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mknod ${lowerdir}/test_cdev c 2 3
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ln -s ${lowerdir}/test_cdev ${lowerdir}/test_softlink_cdev
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ln ${lowerdir}/test_cdev ${lowerdir}/test_hardlink_cdev
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mknod ${lowerdir}/test_bdev b 2 4
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ln -s ${lowerdir}/test_bdev ${lowerdir}/test_softlink_bdev
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ln ${lowerdir}/test_bdev ${lowerdir}/test_hardlink_bdev
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mknod ${lowerdir}/test_pipe p
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ln -s ${lowerdir}/test_pipe ${lowerdir}/test_softlink_pipe
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ln ${lowerdir}/test_pipe ${lowerdir}/test_hardlink_pipe
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_scratch_mount
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# whiteout all files in overlay mountpoint
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rm -rf ${SCRATCH_MNT}/*
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# nothing should be listed
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ls ${SCRATCH_MNT}/
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# unmount overlayfs but not base fs
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$UMOUNT_PROG $SCRATCH_MNT
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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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