| #! /bin/bash |
| # FS QA Test No. 440 |
| # |
| # Regression test for a quota accounting bug when changing the owner of |
| # a file that has CoW reservations and no dirty pages. The reservations |
| # should shift over to the new owner, but they do not. |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2018 Oracle, 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 $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/reflink |
| . ./common/quota |
| . ./common/filter |
| |
| # Modify as appropriate. |
| _supported_fs xfs |
| _supported_os Linux |
| |
| _require_quota |
| _require_scratch_reflink |
| _require_cp_reflink |
| _require_user |
| |
| rm -f $seqres.full |
| |
| echo "Format and mount" |
| _scratch_mkfs > "$seqres.full" 2>&1 |
| _scratch_mount "-o usrquota,grpquota" >> "$seqres.full" 2>&1 |
| |
| echo "Create files" |
| $XFS_IO_PROG -c "cowextsize 1m" $SCRATCH_MNT |
| touch $SCRATCH_MNT/a $SCRATCH_MNT/force_fsgqa |
| chown $qa_user $SCRATCH_MNT/a $SCRATCH_MNT/force_fsgqa |
| _pwrite_byte 0x58 0 64k $SCRATCH_MNT/a >> $seqres.full |
| $XFS_IO_PROG -c 'stat -r' $SCRATCH_MNT/a | grep stat.size >> $seqres.full |
| _report_quota_blocks "-u $SCRATCH_MNT" |
| |
| echo "Reflink and CoW" |
| _cp_reflink $SCRATCH_MNT/a $SCRATCH_MNT/b |
| _pwrite_byte 0x59 0 64k $SCRATCH_MNT/a >> $seqres.full |
| $XFS_IO_PROG -c 'stat -r' $SCRATCH_MNT/a | grep stat.size >> $seqres.full |
| _report_quota_blocks "-u $SCRATCH_MNT" |
| |
| echo "Sync" |
| sync |
| _report_quota_blocks "-u $SCRATCH_MNT" |
| |
| echo "Chown and check quota" |
| chown root $SCRATCH_MNT/a |
| $XFS_IO_PROG -c 'stat -r' $SCRATCH_MNT/a | grep stat.size >> $seqres.full |
| _report_quota_blocks "-u $SCRATCH_MNT" |
| |
| echo "Remount" |
| _scratch_unmount |
| _scratch_mount "-o usrquota,grpquota" >> "$seqres.full" 2>&1 |
| $XFS_IO_PROG -c 'stat -r' $SCRATCH_MNT/a | grep stat.size >> $seqres.full |
| _report_quota_blocks "-u $SCRATCH_MNT" |
| |
| # success, all done |
| status=0 |
| exit |