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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>
88 lines
2.4 KiB
Bash
Executable File
88 lines
2.4 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 129
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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, and that metadump will successfully copy
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# said block.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2015, 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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_scratch_unmount > /dev/null 2>&1
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rm -rf $tmp.* $testdir $metadump_file $TEST_DIR/image
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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_loop
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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 $testdir
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metadump_file=$TEST_DIR/${seq}_metadump
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echo "Create the original file blocks"
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blksz="$(_get_block_size $testdir)"
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nr_blks=$((4 * blksz / 12))
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_pwrite_byte 0x61 0 $((blksz * nr_blks)) $testdir/file1 >> $seqres.full
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echo "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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echo "Create metadump file"
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_scratch_unmount
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_scratch_metadump $metadump_file
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# Now restore the obfuscated one back and take a look around
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echo "Restore metadump"
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xfs_mdrestore $metadump_file $TEST_DIR/image
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SCRATCH_DEV=$TEST_DIR/image _scratch_mount
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SCRATCH_DEV=$TEST_DIR/image _scratch_unmount
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echo "Check restored fs"
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_check_generic_filesystem $metadump_file
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# success, all done
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status=0
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exit
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