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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
#
# FS QA Test No. 089
#
# Emulate the way Linux mount manipulates /etc/mtab to attempt to
# reproduce a possible bug in rename (see src/t_mtab.c).
#
. ./common/preamble
_begin_fstest metadata auto
mtab_output=$TEST_DIR/mtab_output
# Import common functions.
. ./common/filter
addentries()
{
count=$1
pattern="%0$2d"
while [ $count -gt 0 ]; do
touch `printf $pattern $count`
let count=$count-1
done
}
# real QA test starts here
_supported_fs generic
_require_test
_require_hardlinks
[ "X$TEST_DIR" = "X" ] && exit 1
cd $TEST_DIR
rm -fr test
mkdir test || exit 1
cd $TEST_DIR/test
mount > t_mtab
mtab()
{
rm -f $mtab_output
$here/src/t_mtab 50 $mtab_output &
$here/src/t_mtab 50 $mtab_output &
$here/src/t_mtab 50 $mtab_output &
wait
cat $mtab_output
$here/src/t_mtab 10000
echo directory entries:
ls | grep mtab
echo directory entries >> $seqres.full
ls -li >> $seqres.full
}
# directory with only a few entries
mtab
# directory with a hundred more entries, each 4chars wide
addentries 100 4
mtab
# directory with a thousand more entries, each 8chars wide
addentries 1000 8
mtab
status=0
exit
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