Here's a slightly updated version of the BTRFS snappy interface.
snappy is a faster compression algorithm that provides similar
compression as LZO, but generally better performance.
This version has:
- Ported to latest tree
- Extensive testing and benchmarking (in its 3.0 based incarnation)
- A few cleanups
- Adds a minor performance improvement
Should be ready for pulling into the btrfs tree now.
The crypto parts have been acked by Herbert.
The following changes since commit 2485a4b610171f4e1c4ab0d053569747795c1bbe:
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input (2012-01-12 12:40:41 -0800)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc snappy
Andi Kleen (3):
Add the snappy-c compressor to lib v2
BTRFS: Add snappy support v2
Add snappy interface to crypto API
crypto/Kconfig | 9 +
crypto/Makefile | 1 +
crypto/snappy.c | 99 ++++
fs/btrfs/Kconfig | 1 +
fs/btrfs/Makefile | 2 +-
fs/btrfs/compression.c | 1 +
fs/btrfs/compression.h | 1 +
fs/btrfs/ctree.h | 9 +-
fs/btrfs/disk-io.c | 2 +
fs/btrfs/ioctl.c | 4 +
fs/btrfs/snappy.c | 432 ++++++++++++++++
fs/btrfs/super.c | 9 +-
include/linux/snappy.h | 26 +
lib/Kconfig | 6 +
lib/Makefile | 4 +
lib/snappy.c | 1300 ++++++++++++++++++++++++++++++++++++++++++++++++
16 files changed, 1901 insertions(+), 5 deletions(-)
create mode 100644 crypto/snappy.c
create mode 100644 fs/btrfs/snappy.c
create mode 100644 include/linux/snappy.h
create mode 100644 lib/snappy.c
-Andi
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