mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Zhihao Cheng
b7cecbea22
Calling src/<file> without path '$here' may cause the problem that
the file cannot be found.
For example, Running generic/192 with overlayfs(Let ubifs as base
fs) yields the following output:
generic/192 - output mismatch
QA output created by 192
sleep for 5 seconds
test
+./common/rc: line 316: src/t_dir_type: No such file or directory
delta1 is in range
delta2 is in range
...
When the use case fails, the call stack in generic/192 is:
local unknowns=$(src/t_dir_type $dir u | wc -l) common/rc
_supports_filetype common/rc
_overlay_mount common/overlay
_overlay_test_mount common/overlay
_test_mount common/rc
_test_cycle_mount generic/192
Before _test_cycle_mount() being invoked, generic/192 executed 'cd
/' to change work dir from 'xfstests-dev' to '/', so src/t_dir_type
was not found.
[Eryu: some tests run src/<file> as regular user, don't add $here
prefix in such case, as a regular user may have no search permission
on $here]
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
142 lines
2.4 KiB
Plaintext
142 lines
2.4 KiB
Plaintext
##/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2014 Miklos Szeredi. All Rights Reserved.
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#
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# renameat2 helpers
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# Setup source or dest
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#
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_setup_one()
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{
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local path=$1
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local type=$2
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case $type in
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none) ;;
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regu) echo foo > $path;;
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symb) ln -s foo $path;;
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dire) mkdir $path;;
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tree) mkdir $path; echo foo > $path/bar;;
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esac
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}
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#
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# Cleanup source or dest
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#
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_cleanup_one()
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{
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local path=$1
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if test -d $path; then
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rm -f $path/bar
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rmdir $path
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else
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rm -f $path
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fi
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}
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#
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# Check type of source or destination
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#
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_showtype_one()
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{
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local path=$1
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if test -e $path -o -h $path; then
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if test -d $path -a -e $path/bar; then
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echo -n "tree"
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else
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echo -n `stat -c %F $path | cut -b-4`
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fi
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else
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echo -n "none"
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fi
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}
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#
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# This runs renameat2 on all combinations of source and dest
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#
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_rename_tests_source_dest()
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{
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local source=$1
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local dest=$2
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local options=$3
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for stype in none regu symb dire tree; do
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for dtype in none regu symb dire tree; do
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echo -n "$options $stype/$dtype -> "
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_setup_one $source $stype
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_setup_one $dest $dtype
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$here/src/renameat2 $source $dest $flags
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if test $? == 0; then
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_showtype_one $source
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echo -n "/"
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_showtype_one $dest
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echo "."
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fi
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_cleanup_one $source
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_cleanup_one $dest
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done
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done
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}
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#
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# This runs _rename_tests_source_dest() for both same-directory and
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# cross-directory renames
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#
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_rename_tests()
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{
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local testdir=$1
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local flags=$2
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#same directory renames
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_rename_tests_source_dest $testdir/src $testdir/dst "samedir "
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#cross directory renames
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mkdir $testdir/x $testdir/y
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_rename_tests_source_dest $testdir/x/src $testdir/y/dst "crossdir"
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rmdir $testdir/x $testdir/y
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}
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#
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# This checks whether the renameat2 syscall is supported
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#
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_require_renameat2()
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{
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local flags=$1
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local rename_dir=$TEST_DIR/$$
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local cmd=""
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if test ! -x $here/src/renameat2; then
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_notrun "renameat2 binary not found"
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fi
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mkdir $rename_dir
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touch $rename_dir/foo
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case $flags in
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"noreplace")
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cmd="-n $rename_dir/foo $rename_dir/bar"
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;;
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"exchange")
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touch $rename_dir/bar
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cmd="-x $rename_dir/foo $rename_dir/bar"
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;;
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"whiteout")
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touch $rename_dir/bar
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cmd="-w $rename_dir/foo $rename_dir/bar"
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;;
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"")
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cmd=""
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;;
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*)
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rm -rf $rename_dir
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_fail "_require_renameat2: only support noreplace,exchange,whiteout rename flags"
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;;
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esac
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if ! $here/src/renameat2 -t $cmd; then
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rm -rf $rename_dir
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_notrun "kernel doesn't support renameat2 syscall"
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fi
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rm -rf $rename_dir
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}
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