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https://github.com/linux-apfs/apfstests.git
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overlay: renumber tests after merge
Tests were merged with high seq numbers to avoid conflicts with other tests. Now renumber them to contiguous numbers, as all other tests have been merged correctly. This is easier to do than assigning the final seq numbers at commit time. Signed-off-by: Eryu Guan <eguan@redhat.com>
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Eryu Guan
Executable
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#! /bin/bash
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# FS QA Test No. 046
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#
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# Test fsck.overlay how to deal with redirect xattr in overlayfs.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2018 Huawei. All Rights Reserved.
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# Author: zhangyi (F) <yi.zhang@huawei.com>
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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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. ./common/attr
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs overlay
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_supported_os Linux
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_require_scratch_nocheck
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_require_attrs
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_require_command "$FSCK_OVERLAY_PROG" fsck.overlay
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# remove all files from previous tests
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_scratch_mkfs
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OVL_XATTR_OPAQUE_VAL=y
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# Create a redirect directory
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make_redirect_dir()
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{
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local target=$1
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local value=$2
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mkdir -p $target
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$SETFATTR_PROG -n $OVL_XATTR_REDIRECT -v $value $target
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}
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# Check redirect xattr
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check_redirect()
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{
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local target=$1
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local expect=$2
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value=$($GETFATTR_PROG --absolute-names --only-values -n \
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$OVL_XATTR_REDIRECT $target)
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[[ "$value" == "$expect" ]] || echo "Redirect xattr incorrect"
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}
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check_no_redirect()
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{
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local target=$1
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value=$($GETFATTR_PROG --absolute-names -d -m \
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$OVL_XATTR_REDIRECT $target)
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[[ -z "$value" ]] || echo "Redirect xattr not empty"
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}
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# Check opaque xattr
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check_opaque()
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{
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local target=$1
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value=$($GETFATTR_PROG --absolute-names --only-values -n \
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$OVL_XATTR_OPAQUE $target)
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[[ "$value" == "$OVL_XATTR_OPAQUE_VAL" ]] || \
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echo "Opaque xattr incorrect"
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}
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# Create a whiteout
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make_whiteout()
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{
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for arg in $*; do
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mknod $arg c 0 0
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done
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}
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# Check whiteout
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check_whiteout()
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{
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for arg in $*; do
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local ttype=`stat -c "%F:%t,%T" $arg`
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[[ "$ttype" == "character special file:0,0" ]] || \
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echo "Valid whiteout removed incorrectly"
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done
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}
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# Create test directories
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lowerdir=$OVL_BASE_SCRATCH_MNT/lower
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lowerdir2=$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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make_test_dirs()
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{
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rm -rf $lowerdir $lowerdir2 $upperdir $workdir
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mkdir -p $lowerdir $lowerdir2 $upperdir $workdir
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}
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# Test invalid redirect xattr point to a nonexistent origin, should remove
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echo "+ Invalid redirect"
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make_test_dirs
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make_redirect_dir $upperdir/testdir "invalid"
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_overlay_fsck_dirs $lowerdir $upperdir $workdir -p >> $seqres.full 2>&1 || \
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echo "fsck should not fail"
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check_no_redirect $upperdir/testdir
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# Test invalid redirect xattr point to a file origin, should remove
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echo "+ Invalid redirect(2)"
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make_test_dirs
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touch $lowerdir/origin
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make_redirect_dir $upperdir/testdir "origin"
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_overlay_fsck_dirs $lowerdir $upperdir $workdir -p >> $seqres.full 2>&1 || \
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echo "fsck should not fail"
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check_no_redirect $upperdir/testdir
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# Test valid redirect xattr point to a directory origin in the same directory,
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# should not remove
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echo "+ Valid redirect"
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make_test_dirs
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mkdir $lowerdir/origin
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make_whiteout $upperdir/origin
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make_redirect_dir $upperdir/testdir "origin"
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_overlay_fsck_dirs $lowerdir $upperdir $workdir -p >> $seqres.full 2>&1 || \
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echo "fsck should not fail"
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check_redirect $upperdir/testdir "origin"
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# Test valid redirect xattr point to a directory origin in different directories
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# should not remove
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echo "+ Valid redirect(2)"
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make_test_dirs
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mkdir $lowerdir/origin
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make_whiteout $upperdir/origin
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make_redirect_dir $upperdir/testdir1/testdir2 "/origin"
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_overlay_fsck_dirs $lowerdir $upperdir $workdir -p >> $seqres.full 2>&1 || \
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echo "fsck should not fail"
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check_redirect $upperdir/testdir1/testdir2 "/origin"
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# Test valid redirect xattr but missing whiteout to cover lower target,
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# should fix whiteout
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echo "+ Missing whiteout"
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make_test_dirs
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mkdir $lowerdir/origin
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make_redirect_dir $upperdir/testdir "origin"
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_overlay_fsck_dirs $lowerdir $upperdir $workdir -p >> $seqres.full 2>&1 || \
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echo "fsck should not fail"
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check_redirect $upperdir/testdir "origin"
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check_whiteout $upperdir/origin
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# Test valid redirect xattrs exchanged by rename, should not remove
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echo "+ Valid redirect(3)"
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make_test_dirs
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mkdir $lowerdir/{testdir1,testdir2}
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make_redirect_dir $upperdir/testdir1 "testdir2"
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make_redirect_dir $upperdir/testdir2 "testdir1"
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_overlay_fsck_dirs $lowerdir $upperdir $workdir -p >> $seqres.full 2>&1 || \
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echo "fsck should not fail"
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check_redirect $upperdir/testdir1 "testdir2"
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check_redirect $upperdir/testdir2 "testdir1"
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# Test invalid redirect xattr with lower same name directory exists,
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# should remove invalid redirect xattr and set opaque in yes mode
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echo "+ Invalid redirect(3)"
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make_test_dirs
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mkdir $lowerdir/testdir
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make_redirect_dir $upperdir/testdir "invalid"
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# Question get yes answer: Should set opaque dir ?
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_overlay_fsck_dirs $lowerdir $upperdir $workdir -y >> $seqres.full 2>&1 || \
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echo "fsck should not fail"
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check_no_redirect $upperdir/testdir
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check_opaque $upperdir/testdir
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# Test duplicate redirect xattrs point to one origin, should fail in
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# auto mode, and should remove either of the duplicates in yes mode
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echo "+ Duplicate redirect"
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make_test_dirs
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mkdir $lowerdir2/origin
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make_redirect_dir $lowerdir/testdir1 "origin"
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make_redirect_dir $lowerdir/testdir2 "origin"
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make_redirect_dir $upperdir/testdir3 "origin"
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_overlay_fsck_dirs "$lowerdir:$lowerdir2" $upperdir $workdir -p >> \
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$seqres.full 2>&1 && echo "fsck should fail"
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# Question get yes answer: Duplicate redirect directory, remove xattr ?
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_overlay_fsck_dirs "$lowerdir:$lowerdir2" $upperdir $workdir -y >> \
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$seqres.full 2>&1 || echo "fsck should not fail"
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redirect_1=`check_redirect $lowerdir/testdir1 "origin" 2>/dev/null`
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redirect_2=`check_redirect $lowerdir/testdir2 "origin" 2>/dev/null`
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[[ $redirect_1 == $redirect_2 ]] && echo "Redirect xattr incorrect"
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check_no_redirect $upperdir/testdir3
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# Test duplicate redirect xattr duplicate with merge directory, should
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# fail in auto mode, and should remove the redirect xattr in yes mode
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echo "+ Duplicate redirect(2)"
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make_test_dirs
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mkdir $lowerdir/origin $upperdir/origin
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make_redirect_dir $upperdir/testdir "origin"
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_overlay_fsck_dirs $lowerdir $upperdir $workdir -p >> $seqres.full 2>&1 && \
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echo "fsck should fail"
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# Question get yes answer: Duplicate redirect directory, remove xattr ?
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_overlay_fsck_dirs $lowerdir $upperdir $workdir -y >> $seqres.full 2>&1 || \
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echo "fsck should not fail"
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check_no_redirect $upperdir/testdir
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# Test duplicate redirect xattr with lower same name directory exists,
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# should remove the duplicate redirect xattr and set opaque in yes mode
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echo "+ Duplicate redirect(3)"
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make_test_dirs
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mkdir $lowerdir/{origin,testdir} $upperdir/origin
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make_redirect_dir $upperdir/testdir "invalid"
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# Question one get yes answer: Duplicate redirect directory, remove xattr?
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# Question two get yes answer: Should set opaque dir ?
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_overlay_fsck_dirs $lowerdir $upperdir $workdir -y >> $seqres.full 2>&1 || \
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echo "fsck should not fail"
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check_no_redirect $upperdir/testdir
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check_opaque $upperdir/testdir
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# success, all done
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status=0
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exit
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