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https://github.com/linux-apfs/apfstests.git
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Darrick J. Wong
0bfb84110b
Add a leading underscore to the get_block_size helper since it's a common function. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
81 lines
2.2 KiB
Bash
Executable File
81 lines
2.2 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 175
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#
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# See how well reflink handles reflinking the same block a million times.
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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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rm -rf "$tmp".*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/attr
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. ./common/reflink
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# real QA test starts here
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_supported_os Linux
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_require_scratch_reflink
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_require_cp_reflink
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rm -f "$seqres.full"
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echo "Format and mount"
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_scratch_mkfs > "$seqres.full" 2>&1
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_scratch_mount >> "$seqres.full" 2>&1
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testdir="$SCRATCH_MNT/test-$seq"
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mkdir "$testdir"
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echo "Create a one block file"
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blksz="$(_get_block_size $testdir)"
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_pwrite_byte 0x61 0 $blksz "$testdir/file1" >> "$seqres.full"
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fnr=19
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echo "Create extents"
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truncate -s $(( (2 ** i) * blksz)) "$testdir/file1"
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for i in $(seq 0 $fnr); do
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echo " ++ Reflink size $i, $((2 ** i)) blocks" >> "$seqres.full"
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n=$(( (2 ** i) * blksz))
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_reflink_range "$testdir/file1" 0 "$testdir/file1" $n $n >> "$seqres.full"
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done
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_scratch_cycle_mount
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echo "Reflink the big file"
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blks=$((2 ** (fnr + 1) ))
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bytes=$((blks * blksz))
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echo "reflinking $blks blocks, $bytes bytes" >> "$seqres.full"
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_reflink_range "$testdir/file1" 0 "$testdir/file2" 0 $bytes >> "$seqres.full"
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# success, all done
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status=0
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exit
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