| #!/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 512/4K" | |
| . $TS_TOPDIR/functions.sh | |
| ts_init "$*" | |
| ts_skip_nonroot | |
| modprobe --dry-run --quiet scsi_debug | |
| [ "$?" == 0 ] || ts_skip "missing scsi_debug module" | |
| rmmod scsi_debug &> /dev/null | |
| modprobe scsi_debug dev_size_mb=50 sector_size=512 physblk_exp=3 | |
| [ "$?" == 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 |