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https://github.com/linux-apfs/apfstests.git
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Dave Chinner
cf89aed924
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
79 lines
1.7 KiB
Bash
Executable File
79 lines
1.7 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2014, Oracle and/or its affiliates. All Rights Reserved.
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#
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# FS QA Test No. 110
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#
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# Tests file clone functionality of btrfs ("reflinks"):
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# - Reflink a file
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# - Reflink the reflinked file
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# - Modify the original file
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# - Modify the reflinked file
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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 -f $tmp.* $testdir
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}
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# get standard environment, filters and checks
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. common/rc
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. common/filter
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. common/reflink
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# real QA test starts here
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_require_test_reflink
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_supported_os Linux
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_require_xfs_io_command "fiemap"
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_require_cp_reflink
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_require_test
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testdir1=$TEST_DIR/test-$seq
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rm -rf $testdir1
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mkdir $testdir1
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_checksum_files() {
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for F in original copy1 copy2
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do
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md5sum $testdir1/$F | _filter_test_dir
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done
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}
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rm -f $seqres.full
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echo "Create the original file and reflink to copy1, copy2"
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$XFS_IO_PROG -f -c 'pwrite -S 0x61 0 9000' $testdir1/original \
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>> $seqres.full 2>&1
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cp --reflink $testdir1/original $testdir1/copy1
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cp --reflink $testdir1/copy1 $testdir1/copy2
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_verify_reflink $testdir1/original $testdir1/copy1
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_verify_reflink $testdir1/original $testdir1/copy2
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echo "Original md5sums:"
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_checksum_files
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echo "Overwrite original file with new data"
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$XFS_IO_PROG -c 'pwrite -S 0x62 0 9000' $testdir1/original \
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>> $seqres.full 2>&1
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echo "md5sums after overwriting original:"
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_checksum_files
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echo "Overwrite copy1 with different new data"
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$XFS_IO_PROG -c 'pwrite -S 0x63 0 9000' $testdir1/copy1 \
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>> $seqres.full 2>&1
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echo "md5sums after overwriting copy1:"
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_checksum_files
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# success, all done
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status=0
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exit
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