2017-08-08 23:27:10 +00:00
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From 308795a7713ca6fcd468b60fba9a2fca99cee6a0 Mon Sep 17 00:00:00 2001
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2017-06-27 01:33:04 +00:00
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From: Nick Terrell <terrelln@fb.com>
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2017-08-08 23:27:10 +00:00
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Date: Tue, 8 Aug 2017 19:20:25 -0700
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Subject: [PATCH v5 0/5] Add xxhash and zstd modules
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2017-06-27 01:33:04 +00:00
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Hi all,
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This patch set adds xxhash, zstd compression, and zstd decompression
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modules. It also adds zstd support to BtrFS and SquashFS.
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Each patch has relevant summaries, benchmarks, and tests.
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Best,
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Nick Terrell
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Changelog:
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v1 -> v2:
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2017-08-04 23:57:03 +00:00
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- Make pointer in lib/xxhash.c:394 non-const (1/5)
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- Use div_u64() for division of u64s (2/5)
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2017-06-27 01:33:04 +00:00
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- Reduce stack usage of ZSTD_compressSequences(), ZSTD_buildSeqTable(),
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ZSTD_decompressSequencesLong(), FSE_buildDTable(), FSE_decompress_wksp(),
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HUF_writeCTable(), HUF_readStats(), HUF_readCTable(),
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2017-08-04 23:57:03 +00:00
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HUF_compressWeights(), HUF_readDTableX2(), and HUF_readDTableX4() (2/5)
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- No zstd function uses more than 400 B of stack space (2/5)
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2017-06-27 01:33:04 +00:00
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2017-07-20 20:33:55 +00:00
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v2 -> v3:
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- Work around gcc-7 bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81388
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2017-08-04 23:57:03 +00:00
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(2/5)
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- Fix bug in dictionary compression from upstream commit cc1522351f (2/5)
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- Port upstream BtrFS commits e1ddce71d6, 389a6cfc2a, and 6acafd1eff (3/5)
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- Change default compression level for BtrFS to 3 (3/5)
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2017-07-20 20:33:55 +00:00
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2017-08-04 23:57:03 +00:00
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v3 -> v4:
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- Fix compiler warnings (2/5)
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- Add missing includes (3/5)
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- Fix minor linter warnings (3/5, 4/5)
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- Add crypto patch (5/5)
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2017-08-08 23:27:10 +00:00
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v4 -> v5:
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- Fix rare compression bug from upstream commit 308047eb5d (2/5)
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- Fix bug introduced in v3 when working around the gcc-7 bug (2/5)
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- Fix ZSTD_DStream initialization code in squashfs (4/5)
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- Fix patch documentation for patches written by Sean Purcell (4/5)
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2017-08-04 23:57:03 +00:00
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Nick Terrell (5):
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2017-06-27 01:33:04 +00:00
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lib: Add xxhash module
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lib: Add zstd modules
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btrfs: Add zstd support
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squashfs: Add zstd support
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2017-08-04 23:57:03 +00:00
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crypto: Add zstd support
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2017-06-27 01:33:04 +00:00
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2017-08-04 23:57:03 +00:00
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crypto/Kconfig | 9 +
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crypto/Makefile | 1 +
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crypto/testmgr.c | 10 +
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crypto/testmgr.h | 71 +
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crypto/zstd.c | 265 ++++
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2017-06-27 01:33:04 +00:00
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fs/btrfs/Kconfig | 2 +
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fs/btrfs/Makefile | 2 +-
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fs/btrfs/compression.c | 1 +
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fs/btrfs/compression.h | 6 +-
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fs/btrfs/ctree.h | 1 +
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fs/btrfs/disk-io.c | 2 +
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fs/btrfs/ioctl.c | 6 +-
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fs/btrfs/props.c | 6 +
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fs/btrfs/super.c | 12 +-
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fs/btrfs/sysfs.c | 2 +
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2017-08-04 23:57:03 +00:00
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fs/btrfs/zstd.c | 432 ++++++
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2017-06-27 01:33:04 +00:00
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fs/squashfs/Kconfig | 14 +
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fs/squashfs/Makefile | 1 +
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fs/squashfs/decompressor.c | 7 +
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fs/squashfs/decompressor.h | 4 +
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fs/squashfs/squashfs_fs.h | 1 +
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2017-08-08 23:27:10 +00:00
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fs/squashfs/zstd_wrapper.c | 151 ++
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2017-06-27 01:33:04 +00:00
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include/linux/xxhash.h | 236 +++
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include/linux/zstd.h | 1157 +++++++++++++++
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include/uapi/linux/btrfs.h | 8 +-
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lib/Kconfig | 11 +
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lib/Makefile | 3 +
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lib/xxhash.c | 500 +++++++
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lib/zstd/Makefile | 18 +
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lib/zstd/bitstream.h | 374 +++++
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2017-08-08 23:27:10 +00:00
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lib/zstd/compress.c | 3484 ++++++++++++++++++++++++++++++++++++++++++++
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2017-08-04 23:57:03 +00:00
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lib/zstd/decompress.c | 2528 ++++++++++++++++++++++++++++++++
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2017-08-08 23:27:10 +00:00
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lib/zstd/entropy_common.c | 243 +++
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2017-06-27 01:33:04 +00:00
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lib/zstd/error_private.h | 53 +
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lib/zstd/fse.h | 575 ++++++++
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lib/zstd/fse_compress.c | 795 ++++++++++
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lib/zstd/fse_decompress.c | 332 +++++
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lib/zstd/huf.h | 212 +++
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2017-07-20 20:33:55 +00:00
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lib/zstd/huf_compress.c | 770 ++++++++++
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2017-06-27 01:33:04 +00:00
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lib/zstd/huf_decompress.c | 960 ++++++++++++
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lib/zstd/mem.h | 151 ++
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lib/zstd/zstd_common.c | 75 +
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2017-08-08 23:27:10 +00:00
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lib/zstd/zstd_internal.h | 263 ++++
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2017-06-27 01:33:04 +00:00
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lib/zstd/zstd_opt.h | 1014 +++++++++++++
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2017-08-08 23:27:10 +00:00
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44 files changed, 14756 insertions(+), 12 deletions(-)
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2017-08-04 23:57:03 +00:00
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create mode 100644 crypto/zstd.c
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2017-06-27 01:33:04 +00:00
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create mode 100644 fs/btrfs/zstd.c
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create mode 100644 fs/squashfs/zstd_wrapper.c
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create mode 100644 include/linux/xxhash.h
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create mode 100644 include/linux/zstd.h
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create mode 100644 lib/xxhash.c
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create mode 100644 lib/zstd/Makefile
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create mode 100644 lib/zstd/bitstream.h
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create mode 100644 lib/zstd/compress.c
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create mode 100644 lib/zstd/decompress.c
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create mode 100644 lib/zstd/entropy_common.c
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create mode 100644 lib/zstd/error_private.h
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create mode 100644 lib/zstd/fse.h
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create mode 100644 lib/zstd/fse_compress.c
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create mode 100644 lib/zstd/fse_decompress.c
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create mode 100644 lib/zstd/huf.h
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create mode 100644 lib/zstd/huf_compress.c
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create mode 100644 lib/zstd/huf_decompress.c
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create mode 100644 lib/zstd/mem.h
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create mode 100644 lib/zstd/zstd_common.c
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create mode 100644 lib/zstd/zstd_internal.h
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create mode 100644 lib/zstd/zstd_opt.h
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--
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2.9.3
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