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28 lines
812 B
Bash
28 lines
812 B
Bash
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0-only
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# Copyright 2020 Google LLC
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# Require f2fs compression support on the scratch filesystem.
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# Optionally, check for support for a specific compression algorithm.
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_require_scratch_f2fs_compression()
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{
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local algorithm=$1
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_require_scratch
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if [ ! -e /sys/fs/f2fs/features/compression ]; then
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_notrun "Kernel doesn't support f2fs compression"
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fi
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# Note: '-O compression' is only accepted when used in
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# combination with extra_attr.
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if ! _scratch_mkfs -O compression,extra_attr >> $seqres.full; then
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_notrun "f2fs-tools doesn't support compression"
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fi
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if [ -n "$algorithm" ]; then
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if ! _scratch_mount "-o compress_algorithm=$algorithm"; then
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_notrun "Kernel doesn't support $algorithm compression algorithm for f2fs"
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fi
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_scratch_unmount
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fi
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}
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