| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2016 Red Hat, Inc. All Rights Reserved. |
| # |
| # FS QA Test 400 |
| # |
| # test out high quota ids retrieved by Q_GETNEXTQUOTA |
| # Request for next ID near 2^32 should not wrap to 0 |
| # |
| # Designed to use the new Q_GETNEXTQUOTA quotactl |
| # |
| . ./common/preamble |
| _begin_fstest auto quick quota |
| |
| # Import common functions. |
| . ./common/filter |
| . ./common/quota |
| |
| |
| _require_quota |
| _require_scratch |
| |
| _scratch_mkfs >> $seqres.full 2>&1 |
| |
| MOUNT_OPTIONS="-o usrquota,grpquota" |
| _qmount |
| _require_getnextquota |
| |
| echo "Launch all quotas" |
| |
| # We want to create a block of quotas for an id very near |
| # 2^32, then ask for the next quota after it. The returned |
| # ID should not overflow to 0. |
| |
| # Populate with 2^32-4 |
| ID=4294967292 |
| setquota -u $ID $ID $ID $ID $ID $SCRATCH_MNT |
| touch ${SCRATCH_MNT}/${ID} |
| chown ${ID} ${SCRATCH_MNT}/${ID} |
| |
| # remount just for kicks, make sure we get it off disk |
| _scratch_unmount |
| _qmount |
| |
| # Ask for the next quota after $ID; should get nothing back |
| # If kernelspace wraps, we'll get 0 back. |
| for TYPE in u g; do |
| let NEXT=ID+1 |
| echo "Ask for ID after $NEXT expecting nothing" |
| $here/src/test-nextquota -i $NEXT -${TYPE} -d $SCRATCH_DEV |
| done |
| |
| # success, all done |
| status=0 |
| exit |
