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|
#! /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
#
#-----------------------------------------------------------------------
#
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_ARGS=`_scale_fsstress_args -d $SCRATCH_MNT -w -p $procs \
-n $nops $FSSTRESS_AVOID`
$FSSTRESS_PROG $FSSTRESS_ARGS >> $seq.full &
}
# 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
|
