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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2023 Red Hat, Inc. All Rights Reserved.
#
# FS QA Test No. 732
#
# Mount the same export to different mount points and move (rename)
# files among those mount points.
# This simple test recently unveils an ancient nfsd bug that is fixed
# by fdd2630a739819 ("nfsd: fix change_info in NFSv4 RENAME replies").
#
. ./common/preamble
_begin_fstest auto quick rename
# Override the default cleanup function.
_cleanup()
{
$UMOUNT_PROG $testdir1 2>/dev/null
$UMOUNT_PROG $testdir2 2>/dev/null
cd /
rm -r -f $tmp.*
}
# real QA test starts here
_supported_fs generic
[ "$FSTYP" = "nfs" ] && _fixed_by_kernel_commit fdd2630a739819 \
"nfsd: fix change_info in NFSv4 RENAME replies"
_require_test
_require_scratch
echo "Silence is golden"
_scratch_mkfs >> $seqres.full
testdir1=$TEST_DIR/mountpoint1-$seq
testdir2=$TEST_DIR/mountpoint2-$seq
rm -rf $testdir1 $testdir2
mkdir -p $testdir1 $testdir2
# Don't share the data and attribute caches among mount points for NFS.
# This caching behavior is necessary to reproduce this issue as we're
# checking the alignment of each mount point's own unique cache.
[ "$FSTYP" = "nfs" ] && MOUNT_OPTIONS="-o nosharecache"
SCRATCH_MNT=$testdir1 _scratch_mount
SCRATCH_MNT=$testdir2 _scratch_mount
rm -rf $testdir1/{A,B}
mkdir $testdir1/{A,B}
touch $testdir1/A/f
mv $testdir1/A/f $testdir1/B/
cat $testdir2/B/f
mv $testdir2/B/f $testdir2/A/
cat $testdir1/A/f
mv $testdir1/A/f $testdir1/B/
# success, all done
status=0
exit
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