| ##/bin/bash |
| # |
| # Copyright (c) 2015 Facebook, Inc. All Rights Reserved. |
| # |
| # 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. |
| # |
| # This program is distributed in the hope that it would 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, write the Free Software Foundation, |
| # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| # |
| # |
| # common functions for setting up and tearing down a dm log-writes device |
| |
| _require_log_writes() |
| { |
| [ -z "$LOGWRITES_DEV" -o ! -b "$LOGWRITES_DEV" ] && \ |
| _notrun "This test requires a valid \$LOGWRITES_DEV" |
| |
| _exclude_scratch_mount_option dax |
| _require_dm_target log-writes |
| _require_test_program "log-writes/replay-log" |
| } |
| |
| _log_writes_init() |
| { |
| local BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV` |
| LOGWRITES_NAME=logwrites-test |
| LOGWRITES_DMDEV=/dev/mapper/$LOGWRITES_NAME |
| LOGWRITES_TABLE="0 $BLK_DEV_SIZE log-writes $SCRATCH_DEV $LOGWRITES_DEV" |
| $DMSETUP_PROG create $LOGWRITES_NAME --table "$LOGWRITES_TABLE" || \ |
| _fail "failed to create log-writes device" |
| $DMSETUP_PROG mknodes > /dev/null 2>&1 |
| } |
| |
| _log_writes_mark() |
| { |
| [ $# -ne 1 ] && _fail "_log_writes_mark takes one argument" |
| $DMSETUP_PROG message $LOGWRITES_NAME 0 mark $1 |
| } |
| |
| _log_writes_mkfs() |
| { |
| _scratch_options mkfs |
| _mkfs_dev $SCRATCH_OPTIONS $LOGWRITES_DMDEV |
| _log_writes_mark mkfs |
| } |
| |
| _log_writes_mount() |
| { |
| _scratch_options mount |
| $MOUNT_PROG -t $FSTYP `_common_dev_mount_options $*` $SCRATCH_OPTIONS \ |
| $LOGWRITES_DMDEV $SCRATCH_MNT |
| } |
| |
| _log_writes_unmount() |
| { |
| $UMOUNT_PROG $SCRATCH_MNT |
| } |
| |
| # _log_writes_replay_log <mark> |
| # |
| # This replays the log contained on $LOGWRITES_DEV onto $SCRATCH_DEV upto the |
| # mark passed in. |
| _log_writes_replay_log() |
| { |
| _mark=$1 |
| |
| $here/src/log-writes/replay-log --log $LOGWRITES_DEV --replay $SCRATCH_DEV \ |
| --end-mark $_mark >> $seqres.full 2>&1 |
| [ $? -ne 0 ] && _fail "replay failed" |
| } |
| |
| _log_writes_remove() |
| { |
| $DMSETUP_PROG remove $LOGWRITES_NAME > /dev/null 2>&1 |
| $DMSETUP_PROG mknodes > /dev/null 2>&1 |
| } |
| |
| _log_writes_cleanup() |
| { |
| $UMOUNT_PROG $SCRATCH_MNT > /dev/null 2>&1 |
| _log_writes_remove |
| } |