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authorNick Terrell <terrelln@fb.com>2020-09-14 12:54:12 -0700
committerNick Terrell <terrelln@fb.com>2021-11-08 16:55:26 -0800
commit2479b523898633768e28796238534af31fbd6846 (patch)
tree42bccd27859f0f6d4bdd44b9785bbcaddeb11177 /lib
parentcf30f6a5f0c60ec98a637b836bef6915f602c6ab (diff)
downloadlinux-2479b523898633768e28796238534af31fbd6846.tar.gz
lib: zstd: Add decompress_sources.h for decompress_unzstd
Adds decompress_sources.h which includes every .c file necessary for zstd decompression. This is used in decompress_unzstd.c so the internal structure of the library isn't exposed. This allows us to upgrade the zstd library version without modifying any callers. Instead we just need to update decompress_sources.h. Signed-off-by: Nick Terrell <terrelln@fb.com> Tested By: Paul Jones <paul@pauljones.id.au> Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name> Tested-by: Sedat Dilek <sedat.dilek@gmail.com> # LLVM/Clang v13.0.0 on x86-64 Tested-by: Jean-Denis Girard <jd.girard@sysnux.pf>
Diffstat (limited to 'lib')
-rw-r--r--lib/decompress_unzstd.c6
-rw-r--r--lib/zstd/decompress_sources.h23
2 files changed, 24 insertions, 5 deletions
diff --git a/lib/decompress_unzstd.c b/lib/decompress_unzstd.c
index c076d6f05064..a512b99ae16a 100644
--- a/lib/decompress_unzstd.c
+++ b/lib/decompress_unzstd.c
@@ -68,11 +68,7 @@
#ifdef STATIC
# define UNZSTD_PREBOOT
# include "xxhash.c"
-# include "zstd/entropy_common.c"
-# include "zstd/fse_decompress.c"
-# include "zstd/huf_decompress.c"
-# include "zstd/zstd_common.c"
-# include "zstd/decompress.c"
+# include "zstd/decompress_sources.h"
#endif
#include <linux/decompress/mm.h>
diff --git a/lib/zstd/decompress_sources.h b/lib/zstd/decompress_sources.h
new file mode 100644
index 000000000000..9ba367b44149
--- /dev/null
+++ b/lib/zstd/decompress_sources.h
@@ -0,0 +1,23 @@
+/* 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.
+ */
+
+/*
+ * This file includes every .c file needed for decompression.
+ * It is used by lib/decompress_unzstd.c to include the decompression
+ * source into the translation-unit, so it can be used for kernel
+ * decompression.
+ */
+
+#include "entropy_common.c"
+#include "fse_decompress.c"
+#include "huf_decompress.c"
+#include "zstd_common.c"
+#include "decompress.c"