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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
#
# FS QA Test No. 213
#
# Ensure that quota charges us for reflnking a file and that we're not
# charged for buffered copy on write. Same test as g/305, but we get to
# play with cowextsz.
#
. ./common/preamble
_begin_fstest auto quick clone fiemap
# Import common functions.
. ./common/filter
. ./common/reflink
. ./common/quota
# real QA test starts here
_supported_fs xfs
_require_scratch_reflink
_require_cp_reflink
_require_xfs_io_command "fiemap"
_require_quota
_require_nobody
_require_xfs_io_command "cowextsize"
_require_user
echo "Format and mount"
_scratch_mkfs > $seqres.full 2>&1
export MOUNT_OPTIONS="-o usrquota,grpquota $MOUNT_OPTIONS"
_scratch_mount >> $seqres.full 2>&1
quotacheck -u -g $SCRATCH_MNT 2> /dev/null
quotaon $SCRATCH_MNT 2> /dev/null
testdir=$SCRATCH_MNT/test-$seq
mkdir $testdir
sz=1048576
blksz=65536
echo "Create the original files"
$XFS_IO_PROG -c "cowextsize $((sz/2))" $testdir >> $seqres.full
$XFS_IO_PROG -f -c "pwrite -S 0x61 -b $sz 0 $sz" $testdir/file1 >> $seqres.full
_cp_reflink $testdir/file1 $testdir/file2 >> $seqres.full
_cp_reflink $testdir/file1 $testdir/file3 >> $seqres.full
touch $testdir/urk
chown nobody $testdir/urk
touch $testdir/erk
chown $qa_user $testdir/erk
_report_quota_blocks $SCRATCH_MNT
_scratch_cycle_mount
echo "Change file ownership"
chown $qa_user $testdir/file1
chown $qa_user $testdir/file2
chown $qa_user $testdir/file3
_report_quota_blocks $SCRATCH_MNT
echo "CoW one of the files"
$XFS_IO_PROG -f -c "pwrite -S 0x63 -b $blksz $((sz - blksz)) $blksz" -c "fsync" $testdir/file2 >> $seqres.full
_report_quota_blocks $SCRATCH_MNT
echo "Remount the FS to see if accounting changes"
_scratch_cycle_mount
_report_quota_blocks $SCRATCH_MNT
echo "Chown one of the files"
chown nobody $testdir/file3
_report_quota_blocks $SCRATCH_MNT
# success, all done
status=0
exit
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