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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) 2019 Red Hat, Inc. All Rights Reserved.
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#
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# FS QA Test No. generic/568
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#
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# Test that fallocating an unaligned range allocates all blocks
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# touched by that range
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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 "$tmp".*
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rm -f "$TEST_DIR/falloctest-$seq"
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs generic
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_require_xfs_io_command "falloc"
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testfile="$TEST_DIR/falloctest-$seq"
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# Fallocate 2 bytes across a block boundary
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block_size=$(_get_file_block_size "$TEST_DIR")
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$XFS_IO_PROG -f -c "falloc $((block_size - 1)) 2" "$testfile"
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# Both the first blocks should be allocated now. Check that by
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# inquiring whether the file grows when we write to the two bytes we
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# have just fallocated.
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allocated_size_before=$(($(stat -c '%b * %B' "$testfile")))
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$XFS_IO_PROG -c "pwrite $((block_size - 1)) 2" "$testfile" \
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| _filter_xfs_io | sed -e "s/$((block_size - 1))/block_size - 1/"
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allocated_size_after=$(($(stat -c '%b * %B' "$testfile")))
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if [ $allocated_size_after -gt $allocated_size_before ]; then
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echo "ERROR: File grew from ${allocated_size_before} B to" \
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"${allocated_size_after} B when writing to the fallocated range."
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else
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echo "OK: File did not grow."
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fi
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status=0
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exit
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