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#!/bin/sh
# make sure that loop labels work correctly
# create an actual partition
# Copyright (C) 2013-2014, 2019-2023 Free Software Foundation, Inc.
# 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 3 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, see <http://www.gnu.org/licenses/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../parted
path_prepend_ ../partprobe
require_root_
require_scsi_debug_module_
ss=$sector_size_
scsi_debug_setup_ sector_size=$ss dev_size_mb=10 > dev-name ||
skip_ 'failed to create scsi_debug device'
dev=$(cat dev-name)
mke2fs -F $dev
parted -s "$dev" print > out 2>&1 || fail=1
cat <<EOF > exp
Model: Linux scsi_debug (scsi)
Disk DEVICE: 10.5MB
Sector size (logical/physical): ${ss}B/${ss}B
Partition Table: loop
Disk Flags:
Number Start End Size File system Flags
1 0.00B 10.5MB 10.5MB ext2
EOF
mv out o2 && sed -e "s,$dev,DEVICE,;s/ *$//" o2 > out
compare exp out || fail=1
parted -s $dev rm 1 || fail=1
wait_for_dev_to_disappear_ ${dev}1 2 || fail=1
partprobe $dev || fail=1
wait_for_dev_to_disappear_ ${dev}1 2 || fail=1
mount_point="`pwd`/mnt"
# Be sure to unmount upon interrupt, failure, etc.
cleanup_fn_() { umount "$mount_point" > /dev/null 2>&1; }
# create mount point dir. and mount the just-created partition on it
mkdir $mount_point || fail=1
mount -t ext2 "${dev}" $mount_point || fail=1
# now that a partition is mounted, mklabel attempt must fail
parted -s "$dev" mklabel msdos > out 2>&1; test $? = 1 || fail=1
# create expected output file
echo "Error: Partition(s) on $dev are being used." > exp
compare exp out || fail=1
# make sure partition busy check works ( mklabel checks whole disk )
parted -s "$dev" rm 1 > out 2>&1; test $? = 1 || fail=1
# create expected output file
echo "Warning: Partition ${dev} is being used. Are you sure you want to continue?" > exp
compare exp out || fail=1
umount "$mount_point"
# make sure partprobe cleans up stale partition devices
parted -s $dev mklabel msdos mkpart primary ext2 0% 100% || fail=1
wait_for_dev_to_appear_ ${dev}1 || fail=1
mke2fs -F $dev
partprobe $dev || fail=1
wait_for_dev_to_disappear_ ${dev}1 2 || fail=1
# make sure new loop label removes old partitions > 1
parted -s $dev mklabel msdos mkpart primary ext2 0% 50% mkpart primary ext2 50% 100% || fail=1
parted -s $dev mklabel loop || fail=1
wait_for_dev_to_disappear_ ${dev}2 2 || fail=1
Exit $fail
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