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apfstests/tests/generic/233
T
Zorro Lang d228f21470 generic/233,270: unlimit the max locked memory size for io_uring
The ltp/fsstress always fails on io_uring_queue_init() by returnning
ENOMEM. Due to io_uring accounts memory it needs under the rlimit
memlocked option, which can be quite low on some setups, especially
on 64K pagesize machine. root isn't under this restriction, but
regular users are. So only g/233 and g/270 which use $qa_user to run
fsstress are failed.

To avoid this failure, set max locked memory to unlimited before
doing fsstress, then restore it after test done.

Signed-off-by: Zorro Lang <zlang@redhat.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
2021-04-11 16:05:35 +08:00

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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2006 Silicon Graphics, Inc. All Rights Reserved.
#
# FSQA Test No. 233
#
# Run fsstress with quotas enabled and limits set low and verify accounted
# quotas in the end
#
# Derived from test 231
seq=`basename $0`
seqres=$RESULT_DIR/$seq
echo "QA output created by $seq"
here=`pwd`
tmp=/tmp/$$
status=1 # failure is the default!
trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/quota
_filter_num()
{
tee -a $seqres.full |\
sed -e 's/[0-9][0-9]* inodes/I inodes/g' \
-e 's/[0-9][0-9]* paths/P paths/g' \
-e 's/seed = [0-9][0-9]*/seed = S/'
}
_fsstress()
{
echo ""
echo "Testing fsstress"
echo ""
out=$SCRATCH_MNT/fsstress.$$
count=5000
args=`_scale_fsstress_args -z \
-f rmdir=20 -f link=10 -f creat=10 -f mkdir=10 -f unlink=20 -f symlink=10 \
-f rename=10 -f fsync=2 -f write=15 -f dwrite=15 \
-n $count -d $out -p 7`
# 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
echo "fsstress $args" >> $seqres.full
if ! su $qa_user -c "$FSSTRESS_PROG $args" | tee -a $seqres.full | _filter_num
then
echo " fsstress $args returned $?"
cat $tmp.out | tee -a $seqres.full
status=1
fi
}
# real QA test starts here
_supported_fs generic
_require_scratch
_require_quota
_require_user
_scratch_mkfs > $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
setquota -u $qa_user 32000 32000 1000 1000 $SCRATCH_MNT 2>/dev/null
_fsstress
_check_quota_usage
_scratch_unmount
status=0
exit