mirror of
https://github.com/linux-apfs/apfstests.git
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Darrick J. Wong
cc8e860cc9
Test the operation of the btrfs (and now xfs) reflink and dedupe ioctls at various file offsets and with matching and nonmatching files. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Chinner <david@fromorbit.com>
129 lines
4.6 KiB
Bash
Executable File
129 lines
4.6 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test No. 136
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#
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# Ensure that we can dedupe the last block of a file whose size isn't
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# block-aligned.
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# - Create two 'a' files file whose size isn't block-aligned.
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# - Create two 'b' files file whose size isn't block-aligned.
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# - Dedupe the last block of file1 to the last block in file2 and file3.
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# - Check that files 1-2 match, and that 3-4 match.
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# - Check that the ends of 1-2 and 3-4 match, and that 1-3 don't match.
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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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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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_supported_os Linux
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_require_test_dedupe
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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 files"
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BLKSZ=65536
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_pwrite_byte 0x61 0 $((BLKSZ + 37)) "$TESTDIR/file1" >> "$seqres.full"
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_pwrite_byte 0x61 0 $((BLKSZ + 37)) "$TESTDIR/file2" >> "$seqres.full"
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_pwrite_byte 0x62 0 $((BLKSZ + 37)) "$TESTDIR/file3" >> "$seqres.full"
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_pwrite_byte 0x62 0 $((BLKSZ + 37)) "$TESTDIR/file4" >> "$seqres.full"
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_test_remount
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md5sum "$TESTDIR/file1" | _filter_test_dir
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md5sum "$TESTDIR/file2" | _filter_test_dir
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md5sum "$TESTDIR/file3" | _filter_test_dir
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md5sum "$TESTDIR/file4" | _filter_test_dir
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C1="$(_md5_checksum $TESTDIR/file1)"
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C2="$(_md5_checksum $TESTDIR/file2)"
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C3="$(_md5_checksum $TESTDIR/file3)"
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C4="$(_md5_checksum $TESTDIR/file4)"
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test "${C1}" = "${C2}" || echo "file1 and file2 should match"
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test "${C1}" != "${C3}" || echo "file1 and file3 should not match"
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test "${C1}" != "${C4}" || echo "file1 and file4 should not match"
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test "${C2}" != "${C3}" || echo "file2 and file3 should not match"
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test "${C2}" != "${C4}" || echo "file2 and file4 should not match"
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test "${C3}" = "${C4}" || echo "file3 and file4 should match"
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echo "Dedupe the last blocks together"
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_dedupe_range "$TESTDIR/file1" $BLKSZ "$TESTDIR/file2" $BLKSZ 37 >> "$seqres.full"
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_dedupe_range "$TESTDIR/file1" $BLKSZ "$TESTDIR/file3" $BLKSZ 37 >> "$seqres.full"
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_test_remount
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md5sum "$TESTDIR/file1" | _filter_test_dir
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md5sum "$TESTDIR/file2" | _filter_test_dir
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md5sum "$TESTDIR/file3" | _filter_test_dir
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md5sum "$TESTDIR/file4" | _filter_test_dir
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C1="$(_md5_checksum $TESTDIR/file1)"
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C2="$(_md5_checksum $TESTDIR/file2)"
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C3="$(_md5_checksum $TESTDIR/file3)"
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C4="$(_md5_checksum $TESTDIR/file4)"
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echo "Compare files"
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test "${C1}" = "${C2}" || echo "file1 and file2 should match"
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test "${C1}" != "${C3}" || echo "file1 and file3 should not match"
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test "${C1}" != "${C4}" || echo "file1 and file4 should not match"
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test "${C2}" != "${C3}" || echo "file2 and file3 should not match"
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test "${C2}" != "${C4}" || echo "file2 and file4 should not match"
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test "${C3}" = "${C4}" || echo "file3 and file4 should match"
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echo "Compare sections"
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_compare_range "$TESTDIR/file1" $BLKSZ "$TESTDIR/file2" $BLKSZ 37 \
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|| echo "End sections of files 1-2 do not match"
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_compare_range "$TESTDIR/file1" $BLKSZ "$TESTDIR/file3" $BLKSZ 37 \
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|| echo "End sections of files 1-3 do not match (intentional)"
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_compare_range "$TESTDIR/file1" $BLKSZ "$TESTDIR/file4" $BLKSZ 37 \
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|| echo "End sections of files 1-4 do not match (intentional)"
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_compare_range "$TESTDIR/file2" $BLKSZ "$TESTDIR/file3" $BLKSZ 37 \
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|| echo "End sections of files 2-3 do not match (intentional)"
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_compare_range "$TESTDIR/file2" $BLKSZ "$TESTDIR/file4" $BLKSZ 37 \
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|| echo "End sections of files 2-4 do not match (intentional)"
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_compare_range "$TESTDIR/file3" $BLKSZ "$TESTDIR/file4" $BLKSZ 37 \
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|| echo "End sections of files 3-4 do not match"
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# success, all done
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status=0
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exit
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