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#!/bin/bash
#
# This file is part of util-linux-ng.
#
# 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.
#
#
# Test alignment for 512/512 disk *with* topology -- aligned to optimal
# I/O size (32KiB)
#
TS_TOPDIR="$(dirname $0)/../.."
TS_DESC="align 512/512 +topology"
. $TS_TOPDIR/functions.sh
ts_init "$*"
ts_skip_nonroot
modprobe --dry-run --quiet scsi_debug
[ "$?" == 0 ] || ts_skip "missing scsi_debug module"
rmmod scsi_debug &> /dev/null
modprobe scsi_debug dev_size_mb=50 sector_size=512
[ "$?" == 0 ] || ts_die "Cannot init device"
sleep 3
DEVNAME=$(grep scsi_debug /sys/block/*/device/model | awk -F '/' '{print $4}')
[ "x${DEVNAME}" == "x" ] && ts_die "Cannot found device"
DEVICE="/dev/${DEVNAME}"
ts_log "Create partitions"
$TS_CMD_FDISK ${DEVICE} >> $TS_OUTPUT 2>&1 <<EOF
c
u
n
p
1
+10M
n
p
2
+10M
n
p
3
+10M
n
e
n
+5M
n
+5M
n
p
w
q
EOF
ts_log "Alignment offsets:"
cat /sys/block/${DEVNAME}/${DEVNAME}{1,2,3,4,5,6,7}/alignment_offset >> $TS_OUTPUT 2>&1
sleep 3
rmmod scsi_debug
# remove disk ID
sed -i -e 's/Disk identifier:.*//g' $TS_OUTPUT
sed -i -e 's/Building a new.*//g' $TS_OUTPUT
ts_finalize
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