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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016 Red Hat, Inc. All Rights Reserved.
#
# FS QA Test 244
#
# test out "sparse" quota ids retrieved by Q_GETNEXTQUOTA
#
# Designed to use the new Q_GETNEXTQUOTA quotactl
#
. ./common/preamble
_begin_fstest auto quick quota
# Override the default cleanup function.
_cleanup()
{
cat $tmp.IDs >> $seqres.full
cd /
rm -f $tmp.*
}
# Import common functions.
. ./common/filter
. ./common/quota
# real QA test starts here
_supported_fs generic
_require_quota
_require_scratch
_scratch_mkfs >> $seqres.full 2>&1
TYPES="u g"
MOUNT_OPTIONS="-o usrquota,grpquota"
_qmount
_require_getnextquota
echo "Launch all quotas"
# Ideally we'd carefully test edge conditions of "sparse"
# quota ids at beginnings and ends of otherwise empty disk
# blocks, etc, but that's pretty fs-specific.
# So just spray a bunch of random IDs into quota, and make
# sure we get them all back.
ITERATIONS=100
# A few extra on the off chance we get dups
for I in `seq 1 $(($ITERATIONS+10))`; do
ID=`od -N 4 -t uI -An /dev/urandom | tr -d " "`
echo $ID >> $tmp.1
done
# sort & uniq to remove dups & facilitate reading them back
# On the off chance we got ID 0, remove it.
sort -n $tmp.1 | uniq | head -n ${ITERATIONS} | grep -vw 0 > $tmp.IDs
# Populate a bunch of random quotas on the filesystem:
for TYPE in u g; do
for ID in `cat $tmp.IDs`; do
setquota -${TYPE} $ID $ID $ID $ID $ID $SCRATCH_MNT
touch ${SCRATCH_MNT}/${ID}
chown ${ID} ${SCRATCH_MNT}/${ID}
done
done
# remount just for kicks, make sure we get it off disk
_scratch_unmount
_qmount
quotaon $SCRATCH_MNT 2>/dev/null
# Read them back by iterating based on quotas returned.
# This should match what we set, even if we don't directly
# ask for each exact id, but just ask for "next" id after
# each one we got back last.
for TYPE in u g; do
# root is always there but not in our random IDs; start at 1
NEXT=1
for ID in `cat $tmp.IDs`; do
echo "Trying ID $NEXT expecting $ID" >> $seqres.full
Q=`$here/src/test-nextquota -i $NEXT -${TYPE} -d $SCRATCH_DEV` \
|| _fail "test-nextquota failed: $Q"
echo $Q >> $seqres.full
# ID and its inode limits should match
echo "$Q" | grep -qw ${ID} || _fail "Didn't get id $ID"
# Get the ID returned from the test
NEXT=`echo "$Q" | grep ^id | awk '{print $NF}' | head -n 1`
# Advance that ID by one, and ask for another search
let NEXT=NEXT+1
done
done
# success, all done
status=0
exit
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