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https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Darrick J. Wong
a860a167d8
fstests only supports Linux, so get rid of this unnecessary predicate. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
65 lines
1.3 KiB
Bash
Executable File
65 lines
1.3 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2015, Oracle and/or its affiliates. All Rights Reserved.
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#
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# FS QA Test No. 150
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#
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# Ensure that reflinking a file N times doesn't eat a lot of blocks
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# - Create a file and record fs block usage
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# - Create some reflink copies
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# - Compare fs block usage to before
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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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rm -rf $tmp.* $testdir
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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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_require_test_reflink
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_require_cp_reflink
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rm -f $seqres.full
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testdir=$TEST_DIR/test-$seq
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rm -rf $testdir
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mkdir $testdir
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echo "Create the original file blocks"
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blksz="$(_get_block_size $testdir)"
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blks=2000
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margin='15%'
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sz=$((blksz * blks))
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nr=7
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filesize=$((blksz * nr))
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_pwrite_byte 0x61 0 $sz $testdir/file1 >> $seqres.full
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sync
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free_blocks0=$(stat -f $testdir -c '%f')
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echo "Create the reflink copies"
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for i in `seq 2 $nr`; do
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_cp_reflink $testdir/file1 $testdir/file.$i
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done
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_test_cycle_mount
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free_blocks1=$(stat -f $testdir -c '%f')
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_within_tolerance "free blocks after reflink" $free_blocks1 $free_blocks0 $margin -v
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# success, all done
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status=0
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exit
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