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https://github.com/linux-apfs/apfstests.git
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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>
60 lines
1.5 KiB
Bash
Executable File
60 lines
1.5 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2018 SUSE Linux Products GmbH. All Rights Reserved.
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#
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# FS QA Test No. 518
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#
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# Test that we can not clone a range from a file A into the middle of a file B
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# when the range includes the last block of file A and file A's size is not
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# aligned with the filesystem's block size. Allowing such case would lead to
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# data corruption since the data between EOF and the end of its block is
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# undefined.
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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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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.*
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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_fs generic
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_require_scratch_reflink
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rm -f $seqres.full
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount
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foo_size=$((256 * 1024 + 100)) # 256Kb + 100 bytes
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bar_size="1M"
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$XFS_IO_PROG -f -c "pwrite -S 0x3c 0 $foo_size" $SCRATCH_MNT/foo | _filter_xfs_io
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$XFS_IO_PROG -f -c "pwrite -S 0xb5 0 $bar_size" $SCRATCH_MNT/bar | _filter_xfs_io
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# Cloning the EOF block of a file into the middle of another file should fail
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# with an invalid argument error.
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$XFS_IO_PROG -c "reflink $SCRATCH_MNT/foo 0 512K $foo_size" $SCRATCH_MNT/bar
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# Unmount the filesystem and mount it again. This guarantees any file data in
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# the page cache is dropped.
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_scratch_cycle_mount
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# Verify no changes were made to the file.
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echo "File content after failed reflink:"
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od -A d -t x1 $SCRATCH_MNT/bar
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status=0
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exit
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