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zstd: Move zstd-common module exports to zstd_common_module.c

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The zstd codebase is imported from the upstream zstd repo, and is over-written on
every update. Upstream keeps the kernel specific code separate from the main
library. So the module definition is moved into the zstd_common_module.c file.
This matches the pattern followed by the zstd-compress and zstd-decompress files.

I've done build and boot testing on x86-64, i386, and aarch64. I've
verified that zstd built both as modules and built-in build and boot.

Signed-off-by: Nick Terrell <terrelln@fb.com>
This commit is contained in:
Nick Terrell
2022-10-14 14:47:04 -07:00
parent 19d7df9847
commit 4782c725c1
4 changed files with 33 additions and 14 deletions
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lib/zstd/zstd_common_module.c
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// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Copyright (c) Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
* in the COPYING file in the root directory of this source tree).
* You may select, at your option, one of the above-listed licenses.
*/
#include <linux/module.h>
#include "common/huf.h"
#include "common/fse.h"
#include "common/zstd_internal.h"
// Export symbols shared by compress and decompress into a common module
#undef ZSTD_isError /* defined within zstd_internal.h */
EXPORT_SYMBOL_GPL(FSE_readNCount);
EXPORT_SYMBOL_GPL(HUF_readStats);
EXPORT_SYMBOL_GPL(HUF_readStats_wksp);
EXPORT_SYMBOL_GPL(ZSTD_isError);
EXPORT_SYMBOL_GPL(ZSTD_getErrorName);
EXPORT_SYMBOL_GPL(ZSTD_getErrorCode);
EXPORT_SYMBOL_GPL(ZSTD_customMalloc);
EXPORT_SYMBOL_GPL(ZSTD_customCalloc);
EXPORT_SYMBOL_GPL(ZSTD_customFree);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("Zstd Common");