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https://github.com/linux-apfs/apfstests.git
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87 lines
2.2 KiB
Bash
87 lines
2.2 KiB
Bash
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#! /bin/bash
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# FS QA Test No. 169
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#
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# Ensure that we can create enough distinct reflink entries to force creation
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# of a multi-level refcount btree. Delete and recreate a few times to
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# exercise the refcount btree grow/shrink functions.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2016, Oracle and/or its affiliates. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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umount $SCRATCH_MNT > /dev/null 2>&1
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rm -rf $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/reflink
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# real QA test starts here
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_supported_os Linux
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_supported_fs xfs
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_require_scratch_reflink
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rm -f $seqres.full
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_scratch_mkfs >/dev/null 2>&1
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_scratch_mount
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testdir=$SCRATCH_MNT/test-$seq
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mkdir $testdir
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echo "Create the original file blocks"
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blksz="$(stat -f $testdir -c '%S')"
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nr_blks=$((8 * blksz / 12))
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for i in 1 2 x; do
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_pwrite_byte 0x61 0 $((blksz * nr_blks)) $testdir/file1 >> $seqres.full
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echo "$i: Reflink every other block"
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seq 1 2 $((nr_blks - 1)) | while read nr; do
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_reflink_range $testdir/file1 $((nr * blksz)) \
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$testdir/file2 $((nr * blksz)) $blksz >> $seqres.full
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done
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umount $SCRATCH_MNT
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_check_scratch_fs
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_scratch_mount
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test $i = "x" && break
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echo "$i: Delete both files"
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rm -rf $testdir/file1 $testdir/file2
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umount $SCRATCH_MNT
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_check_scratch_fs
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_scratch_mount
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done
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# success, all done
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status=0
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exit
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