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#!/bin/bash
#
# 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.
#
#
# Test alignment for 512/512 disk *with* topology -- aligned to optimal
# I/O size (32KiB)
#
TS_TOPDIR="${0%/*}/../.."
TS_DESC="align 512/4K +MD"
. $TS_TOPDIR/functions.sh
ts_init "$*"
ts_check_test_command "$TS_CMD_FDISK"
ts_skip_nonroot
ts_check_prog "mdadm"
# set global variable TS_DEVICE
ts_scsi_debug_init dev_size_mb=50 sector_size=512 physblk_exp=3
DEVNAME=$(basename $TS_DEVICE)
ts_log "Create partitions"
$TS_CMD_FDISK ${TS_DEVICE} >> $TS_OUTPUT 2>&1 <<EOF
n
p
1
+20M
n
p
2
p
w
q
EOF
udevadm settle
ts_log "Alignment offsets:"
cat /sys/block/${DEVNAME}/${DEVNAME}{1,2}/alignment_offset >> $TS_OUTPUT 2>&1
ts_lock "md"
MD_DEVNAME=md8
MD_DEVICE=/dev/${MD_DEVNAME}
mdadm -q -S ${MD_DEVICE} &> /dev/null
udevadm settle
mdadm -q --create ${MD_DEVICE} --metadata=0.90 --chunk=64 \
--level=0 --raid-devices=2 ${TS_DEVICE}1 ${TS_DEVICE}2 >> $TS_OUTPUT 2>&1
udevadm settle
ts_log "Create partitions (MD)"
$TS_CMD_FDISK ${MD_DEVICE} >> $TS_OUTPUT 2>&1 <<EOF
n
p
1
+10M
n
p
2
+10M
p
w
q
EOF
udevadm settle
ts_log "Alignment offsets (MD):"
cat /sys/block/${MD_DEVNAME}/${MD_DEVNAME}p{1,2}/alignment_offset >> $TS_OUTPUT 2>&1
mdadm -q -S ${MD_DEVICE} >> $TS_OUTPUT 2>&1
udevadm settle
ts_unlock "md"
ts_fdisk_clean $TS_DEVICE
ts_fdisk_clean $MD_DEVICE
ts_finalize
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