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mirror of https://github.com/facebook/zstd.git synced 2025-11-25 23:43:06 +03:00

[linux-kernel] Update patches for v4

This commit is contained in:
Nick Terrell
2017-08-04 16:57:03 -07:00
parent ee27f6937c
commit 7393b49fbd
11 changed files with 946 additions and 79 deletions

View File

@@ -1,7 +1,7 @@
From 686a6149b98250d66b5951e3ae05e79063e9de98 Mon Sep 17 00:00:00 2001
From c7f952ce985f652fe1f2c9266f39cd87b470fd8a Mon Sep 17 00:00:00 2001
From: Nick Terrell <terrelln@fb.com>
Date: Mon, 17 Jul 2017 17:08:19 -0700
Subject: [PATCH v3 2/4] lib: Add zstd modules
Subject: [PATCH v4 2/5] lib: Add zstd modules
Add zstd compression and decompression kernel modules.
zstd offers a wide varity of compression speed and quality trade-offs.
@@ -114,13 +114,16 @@ v2 -> v3:
- Work around gcc-7 bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81388
- Fix bug in dictionary compression from upstream commit cc1522351f
v3 -> v4:
- Fix minor compiler warnings
include/linux/zstd.h | 1157 +++++++++++++++
lib/Kconfig | 8 +
lib/Makefile | 2 +
lib/zstd/Makefile | 18 +
lib/zstd/bitstream.h | 374 +++++
lib/zstd/compress.c | 3479 +++++++++++++++++++++++++++++++++++++++++++++
lib/zstd/decompress.c | 2526 ++++++++++++++++++++++++++++++++
lib/zstd/decompress.c | 2528 ++++++++++++++++++++++++++++++++
lib/zstd/entropy_common.c | 243 ++++
lib/zstd/error_private.h | 53 +
lib/zstd/fse.h | 575 ++++++++
@@ -133,7 +136,7 @@ v2 -> v3:
lib/zstd/zstd_common.c | 75 +
lib/zstd/zstd_internal.h | 250 ++++
lib/zstd/zstd_opt.h | 1014 +++++++++++++
19 files changed, 12994 insertions(+)
19 files changed, 12996 insertions(+)
create mode 100644 include/linux/zstd.h
create mode 100644 lib/zstd/Makefile
create mode 100644 lib/zstd/bitstream.h
@@ -5238,10 +5241,10 @@ index 0000000..d60ab7d
+MODULE_DESCRIPTION("Zstd Compressor");
diff --git a/lib/zstd/decompress.c b/lib/zstd/decompress.c
new file mode 100644
index 0000000..62449ae
index 0000000..b178467
--- /dev/null
+++ b/lib/zstd/decompress.c
@@ -0,0 +1,2526 @@
@@ -0,0 +1,2528 @@
+/**
+ * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
+ * All rights reserved.
@@ -6242,6 +6245,8 @@ index 0000000..62449ae
+ BIT_reloadDStream(&seqState->DStream); /* <= 18 bits */
+ FSE_updateState(&seqState->stateOffb, &seqState->DStream); /* <= 8 bits */
+
+ seq.match = NULL;
+
+ return seq;
+}
+
@@ -11996,7 +12001,7 @@ index 0000000..a282624
+}
diff --git a/lib/zstd/zstd_internal.h b/lib/zstd/zstd_internal.h
new file mode 100644
index 0000000..f0ba474
index 0000000..44e8f100
--- /dev/null
+++ b/lib/zstd/zstd_internal.h
@@ -0,0 +1,250 @@
@@ -12128,7 +12133,7 @@ index 0000000..f0ba474
+/*-*******************************************
+* Shared functions to include for inlining
+*********************************************/
+static void ZSTD_copy8(void *dst, const void *src) {
+ZSTD_STATIC void ZSTD_copy8(void *dst, const void *src) {
+ memcpy(dst, src, 8);
+}
+/*! ZSTD_wildcopy() :