| #! /bin/bash |
| # FS QA Test No. 104 |
| # |
| # XFS online growfs-while-allocating tests (data subvol variant) |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2000-2004 Silicon Graphics, 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 |
| # |
| #----------------------------------------------------------------------- |
| # |
| # creator |
| owner=nathans@sgi.com |
| |
| seq=`basename $0` |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common.rc |
| . ./common.filter |
| |
| _create_scratch() |
| { |
| echo "*** mkfs" |
| _scratch_mkfs_xfs $@ | tee -a $seq.full | _filter_mkfs 2>$tmp.mkfs |
| . $tmp.mkfs |
| |
| echo "*** mount" |
| if ! _scratch_mount 2>/dev/null |
| then |
| echo "failed to mount $SCRATCH_DEV" |
| exit 1 |
| fi |
| |
| # fix the reserve block pool to a known size so that the enospc |
| # calculations work out correctly. |
| _scratch_resvblks 1024 > /dev/null 2>&1 |
| } |
| |
| _fill_scratch() |
| { |
| $XFS_IO_PROG -f -c "resvsp 0 ${1}" $SCRATCH_MNT/resvfile |
| } |
| |
| _stress_scratch() |
| { |
| procs=3 |
| nops=1000 |
| # -w ensures that the only ops are ones which cause write I/O |
| $FSSTRESS_PROG -d $SCRATCH_MNT -w -p $procs -n $nops $FSSTRESS_AVOID > /dev/null & |
| } |
| |
| # real QA test starts here |
| _supported_fs xfs |
| _require_scratch |
| _scratch_mkfs_xfs | tee -a $seq.full | _filter_mkfs 2>$tmp.mkfs |
| . $tmp.mkfs # extract blocksize and data size for scratch device |
| |
| endsize=`expr 550 \* 1048576` # stop after growing this big |
| incsize=`expr 42 \* 1048576` # grow in chunks of this size |
| modsize=`expr 4 \* $incsize` # pause after this many increments |
| |
| [ `expr $endsize / $dbsize` -lt $dblocks ] || _notrun "Scratch device too small" |
| |
| nags=4 |
| size=`expr 120 \* 1048576` # 120 megabytes initially |
| sizeb=`expr $size / $dbsize` # in data blocks |
| echo "*** creating scratch filesystem" |
| _create_scratch -dsize=${size} -dagcount=${nags} |
| |
| fillsize=`expr 110 \* 1048576` # 110 megabytes of filling |
| echo "*** using some initial space on scratch filesystem" |
| _fill_scratch $fillsize |
| |
| # |
| # Grow the filesystem while actively stressing it... |
| # Kick off more stress threads on each iteration, grow; repeat. |
| # |
| while [ $size -le $endsize ]; do |
| echo "*** stressing a ${size} byte filesystem" |
| echo "*** stressing a ${sizeb} block filesystem" >> $seq.full |
| _stress_scratch |
| sleep 1 |
| size=`expr $size + $incsize` |
| sizeb=`expr $size / $dbsize` # in data blocks |
| echo "*** growing to a ${size} byte filesystem" |
| echo "*** growing to a ${sizeb} block filesystem" >> $seq.full |
| xfs_growfs -D ${sizeb} $SCRATCH_MNT \ |
| | tee -a $seq.full | _filter_mkfs 2>$tmp.growfs |
| . $tmp.growfs |
| [ `expr $size % $modsize` -eq 0 ] && wait # every 4th iteration |
| echo AGCOUNT=$agcount | tee -a $seq.full |
| echo && echo >> $seq.full |
| done |
| wait # stop for any remaining stress processes |
| |
| umount $SCRATCH_DEV |
| _check_scratch_fs |
| |
| status=0 |
| exit |