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#!/bin/sh
# Ensure that parted knows when N'th (N>=16) partition is mounted
# Copyright (C) 2010-2014, 2019-2021 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/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../parted
require_root_
require_scsi_debug_module_
grep '^#define USE_BLKID 1' "$CONFIG_HEADER" > /dev/null ||
skip_ 'this system lacks a new-enough libblkid'
ss=$sector_size_
partition_sectors=512 # sectors per partition
n_partitions=17 # how many partitions to create
start=2048 # start sector for the first partition
gpt_slop=34 # sectors at end of disk reserved for GPT
n_sectors=$(($start + n_partitions * partition_sectors + gpt_slop))
sectors_per_MiB=$((1024 * 1024 / ss))
n_MiB=$(((n_sectors + sectors_per_MiB - 1) / sectors_per_MiB))
# create memory-backed device
scsi_debug_setup_ sector_size=$ss dev_size_mb=$n_MiB > dev-name ||
skip_ 'failed to create scsi_debug device'
scsi_dev=$(cat dev-name)
n=$((n_MiB * sectors_per_MiB))
printf "BYT;\n$scsi_dev:${n}s:scsi:$ss:$ss:gpt:Linux scsi_debug:;\n" \
> exp || fail=1
parted -s $scsi_dev mklabel gpt || fail=1
parted -s $scsi_dev u s p || fail=1
i=1
t0=$(date +%s.%N)
while :; do
end=$((start + partition_sectors - 1))
parted -s $scsi_dev mkpart p$i ${start}s ${end}s || fail=1
printf "$i:${start}s:${end}s:${partition_sectors}s::p$i:;\n" >> exp
test $i = $n_partitions && break
start=$((start + partition_sectors))
i=$((i+1))
done
t_final=$(date +%s.%N)
# Fail the test if it takes too long.
# On Fedora 13, it takes about 15 seconds.
# With older kernels, it typically takes more than 150 seconds.
$AWK "BEGIN {d = $t_final - $t0; n = $n_partitions; st = 60 < d;"\
' printf "created %d partitions in %.2f seconds\n", n, d; exit st }' /dev/null \
|| fail=1
parted -m -s $scsi_dev u s p > out || fail=1
compare exp out || fail=1
wait_for_dev_to_appear_ ${scsi_dev}16 || fail_ ${scsi_dev}16 did not appear
partitions="${scsi_dev}14 ${scsi_dev}15 ${scsi_dev}16"
for i in $partitions; do
mkfs.ext3 $i || fail=1
done
# be sure to unmount upon interrupt, failure, etc.
cleanup_fn_() { for i in $partitions; do umount "$i" > /dev/null 2>&1; done; }
for part_dev in $partitions; do
n=${part_dev#$scsi_dev}
mount_point=$(pwd)/m-$n
mkdir $mount_point || fail=1
mount "$part_dev" "$mount_point" || fail=1
# Removal of mounted partition must fail.
parted -s $scsi_dev rm $n > out 2>&1 && fail=1
echo "Warning: Partition $part_dev is being used." \
'Are you sure you want to continue?' \
> exp-error || framework_failure_
# expect error
compare exp-error out || fail=1
done
Exit $fail
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