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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2006 Silicon Graphics, Inc. All Rights Reserved.
#
# FSQA Test No. 270
#
# Run fsstress and ENOSPC hitters in parallel, check quota and
# fs consistency at the end
#
. ./common/preamble
_begin_fstest auto quota rw prealloc ioctl enospc stress
# Import common functions.
. ./common/filter
. ./common/quota
. ./common/attr
# Disable all sync operations to get higher load
FSSTRESS_AVOID="$FSSTRESS_AVOID -ffsync=0 -fsync=0 -ffdatasync=0"
_workout()
{
echo ""
echo "Run fsstress"
echo ""
num_iterations=10
enospc_time=2
out=$SCRATCH_MNT/fsstress.$$
args=`_scale_fsstress_args -p128 -n999999999 -f setattr=1 $FSSTRESS_AVOID -d $out`
echo "fsstress $args" >> $seqres.full
# Grant chown capability
cp $FSSTRESS_PROG $tmp.fsstress.bin
$SETCAP_PROG cap_chown=epi $tmp.fsstress.bin
# io_uring accounts memory it needs under the rlimit memlocked option,
# which can be quite low on some setups (especially 64K pagesize). root
# isn't under this restriction, but regular users are. To avoid the
# io_uring_queue_init fail on ENOMEM, set max locked memory to unlimited
# temporarily.
ulimit -l unlimited
(su $qa_user -c "$tmp.fsstress.bin $args" &) > /dev/null 2>&1
echo "Run dd writers in parallel"
for ((i=0; i < num_iterations; i++))
do
# File will be opened with O_TRUNC each time
su $qa_user -c "dd if=/dev/zero \
of=$SCRATCH_MNT/SPACE_CONSUMER bs=1M " \
>> $seqres.full 2>&1
sleep $enospc_time
done
$KILLALL_PROG -w $tmp.fsstress.bin
}
# real QA test starts here
_supported_fs generic
_require_quota
_require_user
_require_scratch
_require_command "$KILLALL_PROG" killall
_require_command "$SETCAP_PROG" setcap
_require_attrs security
_scratch_mkfs_sized $((512 * 1024 * 1024)) >> $seqres.full 2>&1
_scratch_mount "-o usrquota,grpquota"
chmod 777 $SCRATCH_MNT
quotacheck -u -g $SCRATCH_MNT 2>/dev/null
quotaon -u -g $SCRATCH_MNT 2>/dev/null
if ! _workout; then
_scratch_unmount 2>/dev/null
exit
fi
if ! _check_quota_usage; then
_scratch_unmount 2>/dev/null
status=1
exit
fi
echo Comparing filesystem consistency
if ! _scratch_unmount; then
echo "failed to umount"
status=1
exit
fi
status=0
exit
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