| #!/bin/bash |
| |
| # |
| # Copyright (C) 2007 Karel Zak <kzak@redhat.com> |
| # |
| # This file is part of util-linux. |
| # |
| # This file 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 file 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. |
| # |
| TS_TOPDIR="${0%/*}/../.." |
| TS_DESC="remount" |
| |
| . $TS_TOPDIR/functions.sh |
| ts_init "$*" |
| |
| ts_check_test_command "$TS_CMD_MOUNT" |
| ts_check_test_command "$TS_CMD_FINDMNT" |
| |
| ts_skip_nonroot |
| ts_check_losetup |
| ts_check_prog "mkfs.ext2" |
| |
| # mountpoint |
| [ -d $TS_MOUNTPOINT ] || mkdir -p $TS_MOUNTPOINT |
| |
| ts_device_init |
| DEVICE=$TS_LODEV |
| |
| MTAB_FILE="/proc/mounts" |
| has_mtab=$( ts_has_mtab_support ) |
| if [ "$has_mtab" == "yes" ]; then |
| MTAB_FILE="/etc/mtab" |
| fi |
| |
| mkfs.ext2 $DEVICE &> /dev/null || ts_die "Cannot make ext2 on $DEVICE" |
| |
| # mount read-write |
| $TS_CMD_MOUNT $DEVICE $TS_MOUNTPOINT || ts_die "Cannot mount $TS_MOUNTPOINT" |
| |
| # check the mount |
| egrep -q "^$DEVICE $TS_MOUNTPOINT" $MTAB_FILE \ |
| || ts_die "Cannot find $TS_MOUNTPOINT in $MTAB_FILE" |
| |
| # remount |
| $TS_CMD_MOUNT -o remount,ro $TS_MOUNTPOINT \ |
| || ts_die "Cannot remount $TS_MOUNTPOINT" |
| |
| # check the remount |
| $TS_CMD_FINDMNT --kernel --mountpoint "$TS_MOUNTPOINT" --options "ro" &> /dev/null |
| [ "$?" == "0" ] || ts_die "Cannot find read-only in $TS_MOUNTPOINT in /proc/self/mountinfo" |
| |
| ts_log "Success" |
| ts_finalize |
| |