#!/bin/sh
################################################################################
## ##
## Copyright (c) Jan Kara <jack@suse.cz>, 2008 ##
## Copyright (c) International Business Machines Corp., 2009 ##
## ##
## This program is free software; you can redistribute it and#or modify ##
## it under the terms of the GNU General Public License as published by ##
## the Free Software Foundation; either version 2 of the License, or ##
## (at your option) any later version. ##
## ##
## This program is distributed in the hope that it will be useful, but ##
## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ##
## for more details. ##
## ##
## You should have received a copy of the GNU General Public License ##
## along with this program; if not, write to the Free Software ##
## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ##
## ##
################################################################################
# ##
# File : quota_remount_test01.sh ##
# ##
# Description: Test whether kernel properly supports remounting read-only ##
# with quota. This feature was added in kernel 2.6.26. Please ##
# see: http://kernelnewbies.org/Linux_2_6_26, and ##
# http://git.kernel.org/git/?p=linux/kernel/git/torvalds/ ##
# linux-2.6.git;a=commit; ##
# h=0ff5af8340aa6be44220d7237ef4a654314cf795 ##
# for more info. ##
# ##
# Author: Jan Kara <jack@suse.cz>, ##
# ##
# History: Sep 18 2008 - Created - Jan Kara <jack@suse.cz>. ##
# Feb 17 2009 - Ported to LTP, ##
# Subrata Modak <subrata@linux.vnet.ibm.com> ##
################################################################################
export TCID=quota_remount_test01
export TST_TOTAL=1
export TST_COUNT=0
if [ -z $TMPDIR ]
then
TMPDIR=/tmp
fi
MNTDIR=$TMPDIR/mnt
if tst_kvcmp -lt "2.6.25"; then
tst_resm TCONF "Remounting with quotas enabled is not supported!"
tst_resm TCONF "You should have kernel 2.6.26 and above running....."
exit 32
fi
if [ ! -d /proc/sys/fs/quota ]; then
tst_resm TCONF "Quota not supported in kernel!"
exit 0
fi
if ! command -v quotacheck > /dev/null 2>&1; then
tst_resm TCONF "'quotacheck' not found"
exit 0
fi
if ! command -v quotaon > /dev/null 2>&1; then
tst_resm TCONF "'quotaon' not found"
exit 0
fi
die()
{
echo >&2 $2
umount 2>/dev/null $MNTDIR
rm 2>/dev/null $IMAGE
rmdir 2>/dev/null $MNTDIR
tst_resm TFAIL "Quota on Remount Failed"
exit $1
}
cd $TMPDIR || die 2 "Cannot cd to $TMPDIR"
IMAGE=ltp-$$-fs-image
dd if=/dev/zero of=$IMAGE bs=4096 count=8000 2>/dev/null || die 2 "Cannot create filesystem image"
mkfs.ext3 -q -F -b 4096 $IMAGE || die 2 "Could not create the filesystem"
mkdir $MNTDIR || die 2 "Could not create the mountpoint"
mount -t ext3 -o loop,usrquota,grpquota $IMAGE $MNTDIR || die 2 "Could not mount the filesystem"
tst_resm TINFO "Successfully mounted the File System"
# some distros (CentOS 6.x, for example) doesn't permit creating
# of quota files in a directory with SELinux file_t type
if [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then
chcon -t tmp_t $MNTDIR || die 2 "Could not change SELinux file type"
tst_resm TINFO "Successfully changed SELinux file type"
fi
quotacheck -cug $MNTDIR || die 2 "Could not create quota files"
tst_resm TINFO "Successfully Created Quota Files"
quotaon -ug $MNTDIR || die 2 "Could not turn quota on"
tst_resm TINFO "Successfully Turned on Quota"
echo "blah" >$MNTDIR/file || die 2 "Could not write to the filesystem"
tst_resm TINFO "Successfully wrote to the filesystem"
# Get current quota usage
BLOCKS=`quota -f $MNTDIR -v -w | tail -n 1 | sed -e 's/ *[^ ]* *\([0-9]*\) .*/\1/'`
mount -o remount,ro $MNTDIR || die 1 "Could not remount read-only"
tst_resm TINFO "Successfully Remounted Read-Only FS"
mount -o remount,rw $MNTDIR || die 2 "Could not remount read-write"
tst_resm TINFO "Successfully Remounted Read-Write FS"
rm $MNTDIR/file
# Get quota usage after removing the file
NEWBLOCKS=`quota -f $MNTDIR -v -w | tail -n 1 | sed -e 's/ *[^ ]* *\([0-9]*\) .*/\1/'`
# Has quota usage changed properly?
if [ $BLOCKS -eq $NEWBLOCKS ]; then
die 1 "Usage did not change after remount"
fi
tst_resm TINFO "Usage successfully Changed after Remount"
tst_resm TPASS "Quota on Remount Successfull"
umount $MNTDIR || die 2 "Could not umount $MNTDIR"
rmdir $MNTDIR || die 2 "Could not remove $MNTDIR"
rm $IMAGE
exit 0