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Diffstat (limited to '')
| -rw-r--r-- | src/zstd/contrib/linux-kernel/0000-cover-letter.patch | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/zstd/contrib/linux-kernel/0000-cover-letter.patch b/src/zstd/contrib/linux-kernel/0000-cover-letter.patch new file mode 100644 index 00000000..d57ef27e --- /dev/null +++ b/src/zstd/contrib/linux-kernel/0000-cover-letter.patch @@ -0,0 +1,122 @@ +From 308795a7713ca6fcd468b60fba9a2fca99cee6a0 Mon Sep 17 00:00:00 2001 +From: Nick Terrell <terrelln@fb.com> +Date: Tue, 8 Aug 2017 19:20:25 -0700 +Subject: [PATCH v5 0/5] Add xxhash and zstd modules + +Hi all, + +This patch set adds xxhash, zstd compression, and zstd decompression +modules. It also adds zstd support to BtrFS and SquashFS. + +Each patch has relevant summaries, benchmarks, and tests. + +Best, +Nick Terrell + +Changelog: + +v1 -> v2: +- Make pointer in lib/xxhash.c:394 non-const (1/5) +- Use div_u64() for division of u64s (2/5) +- Reduce stack usage of ZSTD_compressSequences(), ZSTD_buildSeqTable(), + ZSTD_decompressSequencesLong(), FSE_buildDTable(), FSE_decompress_wksp(), + HUF_writeCTable(), HUF_readStats(), HUF_readCTable(), + HUF_compressWeights(), HUF_readDTableX2(), and HUF_readDTableX4() (2/5) +- No zstd function uses more than 400 B of stack space (2/5) + +v2 -> v3: +- Work around gcc-7 bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81388 + (2/5) +- Fix bug in dictionary compression from upstream commit cc1522351f (2/5) +- Port upstream BtrFS commits e1ddce71d6, 389a6cfc2a, and 6acafd1eff (3/5) +- Change default compression level for BtrFS to 3 (3/5) + +v3 -> v4: +- Fix compiler warnings (2/5) +- Add missing includes (3/5) +- Fix minor linter warnings (3/5, 4/5) +- Add crypto patch (5/5) + +v4 -> v5: +- Fix rare compression bug from upstream commit 308047eb5d (2/5) +- Fix bug introduced in v3 when working around the gcc-7 bug (2/5) +- Fix ZSTD_DStream initialization code in squashfs (4/5) +- Fix patch documentation for patches written by Sean Purcell (4/5) + +Nick Terrell (5): + lib: Add xxhash module + lib: Add zstd modules + btrfs: Add zstd support + squashfs: Add zstd support + crypto: Add zstd support + + crypto/Kconfig | 9 + + crypto/Makefile | 1 + + crypto/testmgr.c | 10 + + crypto/testmgr.h | 71 + + crypto/zstd.c | 265 ++++ + fs/btrfs/Kconfig | 2 + + fs/btrfs/Makefile | 2 +- + fs/btrfs/compression.c | 1 + + fs/btrfs/compression.h | 6 +- + fs/btrfs/ctree.h | 1 + + fs/btrfs/disk-io.c | 2 + + fs/btrfs/ioctl.c | 6 +- + fs/btrfs/props.c | 6 + + fs/btrfs/super.c | 12 +- + fs/btrfs/sysfs.c | 2 + + fs/btrfs/zstd.c | 432 ++++++ + fs/squashfs/Kconfig | 14 + + fs/squashfs/Makefile | 1 + + fs/squashfs/decompressor.c | 7 + + fs/squashfs/decompressor.h | 4 + + fs/squashfs/squashfs_fs.h | 1 + + fs/squashfs/zstd_wrapper.c | 151 ++ + include/linux/xxhash.h | 236 +++ + include/linux/zstd.h | 1157 +++++++++++++++ + include/uapi/linux/btrfs.h | 8 +- + lib/Kconfig | 11 + + lib/Makefile | 3 + + lib/xxhash.c | 500 +++++++ + lib/zstd/Makefile | 18 + + lib/zstd/bitstream.h | 374 +++++ + lib/zstd/compress.c | 3484 ++++++++++++++++++++++++++++++++++++++++++++ + lib/zstd/decompress.c | 2528 ++++++++++++++++++++++++++++++++ + lib/zstd/entropy_common.c | 243 +++ + lib/zstd/error_private.h | 53 + + lib/zstd/fse.h | 575 ++++++++ + lib/zstd/fse_compress.c | 795 ++++++++++ + lib/zstd/fse_decompress.c | 332 +++++ + lib/zstd/huf.h | 212 +++ + lib/zstd/huf_compress.c | 770 ++++++++++ + lib/zstd/huf_decompress.c | 960 ++++++++++++ + lib/zstd/mem.h | 151 ++ + lib/zstd/zstd_common.c | 75 + + lib/zstd/zstd_internal.h | 263 ++++ + lib/zstd/zstd_opt.h | 1014 +++++++++++++ + 44 files changed, 14756 insertions(+), 12 deletions(-) + create mode 100644 crypto/zstd.c + create mode 100644 fs/btrfs/zstd.c + create mode 100644 fs/squashfs/zstd_wrapper.c + create mode 100644 include/linux/xxhash.h + create mode 100644 include/linux/zstd.h + create mode 100644 lib/xxhash.c + create mode 100644 lib/zstd/Makefile + create mode 100644 lib/zstd/bitstream.h + create mode 100644 lib/zstd/compress.c + create mode 100644 lib/zstd/decompress.c + create mode 100644 lib/zstd/entropy_common.c + create mode 100644 lib/zstd/error_private.h + create mode 100644 lib/zstd/fse.h + create mode 100644 lib/zstd/fse_compress.c + create mode 100644 lib/zstd/fse_decompress.c + create mode 100644 lib/zstd/huf.h + create mode 100644 lib/zstd/huf_compress.c + create mode 100644 lib/zstd/huf_decompress.c + create mode 100644 lib/zstd/mem.h + create mode 100644 lib/zstd/zstd_common.c + create mode 100644 lib/zstd/zstd_internal.h + create mode 100644 lib/zstd/zstd_opt.h + +-- +2.9.3 |