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Dave Chinner
4f9fb9deb0
There is no API documentation for RENAME_WHITEOUT. There is no developer documentation for RENAME_WHITEOUT. There are not comments in the overlayfs or ext4 implementation of RENAME_WHITEOUT. Hence, this test simply tries to expose basic RENAME_WHITEOUT behaviour from ext4 so we can reverse-engineer and verify bug-for-bug renameat2(RENAME_WHITEOUT) ext4 compatibility. Note: uses generic/078 just to keep out of the way of the 6-7 other pending new tests. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
67 lines
1.7 KiB
Bash
Executable File
67 lines
1.7 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. generic/078
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#
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# Check renameat2 syscall with RENAME_WHITEOUT flag
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2014 Miklos Szeredi. 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/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/renameat2
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_supported_fs generic
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_supported_os Linux
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_require_test
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_requires_renameat2
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_require_test_symlinks
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rename_dir=$TEST_DIR/$$
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mkdir $rename_dir
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touch $rename_dir/foo $rename_dir/bar
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if ! src/renameat2 -t -w $rename_dir/foo $rename_dir/bar; then
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rm -f $rename_dir/foo $rename_dir/bar; rmdir $rename_dir
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_notrun "fs doesn't support RENAME_WHITEOUT"
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fi
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rm -f $rename_dir/foo $rename_dir/bar
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# real QA test starts here
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_rename_tests $rename_dir -w
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rmdir $rename_dir
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# success, all done
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status=0
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exit
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