[PATCH v8 2/5] lib/decompress_unlz4: Change module to work with new LZ4 module version

Update the unlz4 wrapper to work with the updated LZ4 kernel module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- lib/decompress_unlz4.c | 13 - 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/lib/decompress_unlz4.c b/lib/decompress

[PATCH v8 5/5] lib/lz4: Remove back-compat wrappers

Remove the functions introduced as wrappers for providing backwards compatibility to the prior LZ4 version. They're not needed anymore since there's no callers left. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- include/linux

[PATCH v8 1/5] lib: Update LZ4 compressor module

w known as LZ4_compress_default respectivley LZ4_decompress_safe. The old methods will be removed since there's no callers left in the code. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- include/linux/lz4.h | 762 +++--- lib/lz4/Makefile

[PATCH v8 3/5] crypto: Change LZ4 modules to work with new LZ4 module version

Update the crypto modules using LZ4 compression as well as the test cases in testmgr.h to work with the new LZ4 module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- crypto/lz4.c | 23 - crypto/lz4hc.c | 23 - crypto/testmgr.h

[PATCH v8 0/5] Update LZ4 compressor module

This patchset is for updating the LZ4 compression module to a version based on LZ4 v1.7.3 allowing to use the fast compression algorithm aka LZ4 fast which provides an "acceleration" parameter as a tradeoff between high compression ratio and high compression speed. We want to use LZ4 fast in orde

[PATCH v8 4/5] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version

Update fs/pstore and fs/squashfs to use the updated functions from the new LZ4 module. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- fs/pstore/platform.c | 22 +- fs/squashfs/lz4_wrapper.c | 12 ++-- 2 files changed, 19 insertions(

Re: [PATCH] lz4: fix performance regressions

Hey Eric, On Sun, Feb 12, 2017 at 03:38:02PM -0800, Eric Biggers wrote: > Hi Sven, > > On Sun, Feb 12, 2017 at 12:16:18PM +0100, Sven Schmidt wrote: > > /*- > > * Reading and writing into memory > > *

Re: [PATCH v7 0/5] Update LZ4 compressor module

On Mon, Feb 13, 2017 at 09:03:24AM +0900, Minchan Kim wrote: > Hi Sven, > > On Sun, Feb 12, 2017 at 12:16:17PM +0100, Sven Schmidt wrote: > > > > > > > > On 02/10/2017 01:13 AM, Minchan Kim wrote: > > > Hello Sven, > > > > > >

Re: [PATCH] lz4: fix performance regressions

On Sun, Feb 12, 2017 at 10:41:17PM +0100, Willy Tarreau wrote: > On Sun, Feb 12, 2017 at 04:20:00PM +0100, Sven Schmidt wrote: > > On Sun, Feb 12, 2017 at 02:05:08PM +0100, Willy Tarreau wrote: > > > Hi Sven, > > > > > > On Sun, Feb 12, 2017 at 12:16:18PM +0

Re: [PATCH] lz4: fix performance regressions

On Sun, Feb 12, 2017 at 02:05:08PM +0100, Willy Tarreau wrote: > Hi Sven, > > On Sun, Feb 12, 2017 at 12:16:18PM +0100, Sven Schmidt wrote: > > Fix performance regressions compared to current kernel LZ4 > > Your patch contains mostly style cleanups which certainly are w

[PATCH] lz4: fix performance regressions

Fix performance regressions compared to current kernel LZ4 Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- include/linux/lz4.h | 2 +- lib/lz4/lz4_compress.c | 157 +++- lib/lz4/lz4_decompress.c | 50 lib/lz4/lz4

Re: [PATCH v7 0/5] Update LZ4 compressor module

On 02/10/2017 01:13 AM, Minchan Kim wrote: > Hello Sven, > > On Thu, Feb 09, 2017 at 11:56:17AM +0100, Sven Schmidt wrote: >> Hey Minchan, >> >> On Thu, Feb 09, 2017 at 08:31:21AM +0900, Minchan Kim wrote: >>> Hello Sven, >>> >>> On Sun

Re: [PATCH v7 0/5] Update LZ4 compressor module

Hey Eric, On Wed, Feb 08, 2017 at 09:24:25PM -0800, Eric Biggers wrote: > Also I noticed another bug, this time in LZ4_count(): > > > #if defined(CONFIG_64BIT) > > #define LZ4_ARCH64 1 > > #else > > #define LZ4_ARCH64 0 > > #endif > ... > > #ifdef LZ4_ARCH64 > >if ((pIn < (pInLimit-3)) >

Re: [PATCH v7 0/5] Update LZ4 compressor module

Hey Eric, On Wed, Feb 08, 2017 at 04:24:36PM -0800, Eric Biggers wrote: > On Thu, Feb 09, 2017 at 08:31:21AM +0900, Minchan Kim wrote: > > > > Today, I did zram-lz4 performance test with fio in current mmotm and > > found it makes regression about 20%. > > > > This may or may not be the cause o

Re: [PATCH v7 0/5] Update LZ4 compressor module

Hey Minchan, On Thu, Feb 09, 2017 at 08:31:21AM +0900, Minchan Kim wrote: > Hello Sven, > > On Sun, Feb 05, 2017 at 08:09:03PM +0100, Sven Schmidt wrote: > > > > This patchset is for updating the LZ4 compression module to a version based > > on LZ4 v1.7.3 allowing

[PATCH v7 5/5] lib/lz4: Remove back-compat wrappers

This patch removes the functions introduced as wrappers for providing backwards compatibility to the prior LZ4 version. They're not needed anymore since there's no callers left. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- include/linux

[PATCH v7 3/5] crypto: Change LZ4 modules to work with new LZ4 module version

This patch updates the crypto modules using LZ4 compression as well as the test cases in testmgr.h to work with the new LZ4 module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- crypto/lz4.c | 23 - crypto/lz4hc.c | 23 - crypto/tes

[PATCH v7 2/5] lib/decompress_unlz4: Change module to work with new LZ4 module version

This patch updates the unlz4 wrapper to work with the updated LZ4 kernel module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- lib/decompress_unlz4.c | 13 - 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/lib/decompress_unlz4.c

[PATCH v7 4/5] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version

This patch updates fs/pstore and fs/squashfs to use the updated functions from the new LZ4 module. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- fs/pstore/platform.c | 22 +- fs/squashfs/lz4_wrapper.c | 12 ++-- 2 files chang

[PATCH v7 0/5] Update LZ4 compressor module

This patchset is for updating the LZ4 compression module to a version based on LZ4 v1.7.3 allowing to use the fast compression algorithm aka LZ4 fast which provides an "acceleration" parameter as a tradeoff between high compression ratio and high compression speed. We want to use LZ4 fast in orde

Re: [PATCH v6 1/5] lib: Update LZ4 compressor module

On Tue, Jan 31, 2017 at 03:27:44PM -0700, Jonathan Corbet wrote: > On Fri, 27 Jan 2017 23:02:00 +0100 > Sven Schmidt <4ssch...@informatik.uni-hamburg.de> wrote: > > I have one quick question... > > > /* > > + * LZ4_compress_default() > > + * Compresses

[PATCH v6 4/5] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version

This patch updates fs/pstore and fs/squashfs to use the updated functions from the new LZ4 module. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- fs/pstore/platform.c | 22 +- fs/squashfs/lz4_wrapper.c | 12 ++-- 2 files chang

[PATCH v6 2/5] lib/decompress_unlz4: Change module to work with new LZ4 module version

This patch updates the unlz4 wrapper to work with the updated LZ4 kernel module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- lib/decompress_unlz4.c | 13 - 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/lib/decompress_unlz4.c

[PATCH v6 3/5] crypto: Change LZ4 modules to work with new LZ4 module version

This patch updates the crypto modules using LZ4 compression to work with the new LZ4 module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- crypto/lz4.c | 21 - crypto/lz4hc.c | 21 - 2 files changed, 16 insertions(

[PATCH v6 5/5] lib/lz4: Remove back-compat wrappers

This patch removes the functions introduced as wrappers for providing backwards compatibility to the prior LZ4 version. They're not needed anymore since there's no callers left. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- include/linux

[PATCH v6 0/5] Update LZ4 compressor module

This patchset is for updating the LZ4 compression module to a version based on LZ4 v1.7.3 allowing to use the fast compression algorithm aka LZ4 fast which provides an "acceleration" parameter as a tradeoff between high compression ratio and high compression speed. We want to use LZ4 fast in orde

Re: [PATCH v5 0/5] Update LZ4 compressor module

On Thu, Jan 26, 2017 at 01:19:53AM -0800, Eric Biggers wrote: > On Thu, Jan 26, 2017 at 08:57:30AM +0100, Sven Schmidt wrote: > > > > This patchset is for updating the LZ4 compression module to a version based > > on LZ4 v1.7.3 allowing to use the fast compression algorithm a

[PATCH v5 2/5] lib/decompress_unlz4: Change module to work with new LZ4 module version

This patch updates the unlz4 wrapper to work with the updated LZ4 kernel module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- lib/decompress_unlz4.c | 13 - 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/lib/decompress_unlz4.c

[PATCH v5 5/5] lib/lz4: Remove back-compat wrappers

This patch removes the functions introduced as wrappers for providing backwards compatibility to the prior LZ4 version. They're not needed anymore since there's no callers left. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- include/linux

[PATCH v5 4/5] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version

This patch updates fs/pstore and fs/squashfs to use the updated functions from the new LZ4 module. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- fs/pstore/platform.c | 14 +++--- fs/squashfs/lz4_wrapper.c | 12 ++-- 2 files changed, 13 inse

[PATCH v5 3/5] crypto: Change LZ4 modules to work with new LZ4 module version

This patch updates the crypto modules using LZ4 compression to work with the new LZ4 module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- crypto/lz4.c | 21 - crypto/lz4hc.c | 21 - 2 files changed, 16 insertions(

[PATCH v5 0/5] Update LZ4 compressor module

This patchset is for updating the LZ4 compression module to a version based on LZ4 v1.7.3 allowing to use the fast compression algorithm aka LZ4 fast which provides an "acceleration" parameter as a tradeoff between high compression ratio and high compression speed. We want to use LZ4 fast in orde

Re: [PATCH v4 1/4] lib: Update LZ4 compressor module

On Mon, Jan 23, 2017 at 04:23:57PM -0800, Andrew Morton wrote: > On Sun, 22 Jan 2017 20:35:14 +0100 Sven Schmidt > <4ssch...@informatik.uni-hamburg.de> wrote: > > > This patch updates LZ4 kernel module to LZ4 v1.7.3 by Yann Collet. > > The kernel module is inspired by

[PATCH v4 4/4] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version

This patch updates fs/pstore and fs/squashfs to use the updated functions from the new LZ4 module. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- fs/pstore/platform.c | 14 +++--- fs/squashfs/lz4_wrapper.c | 12 ++-- 2 files changed, 13 inse

[PATCH v4 3/4] crypto: Change LZ4 modules to work with new LZ4 module version

This patch updates the crypto modules using LZ4 compression to work with the new LZ4 module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- crypto/lz4.c | 21 - crypto/lz4hc.c | 21 - 2 files changed, 16 insertions(

[PATCH v4 0/4] Update LZ4 compressor module

This patchset is for updating the LZ4 compression module to a version based on LZ4 v1.7.3 allowing to use the fast compression algorithm aka LZ4 fast which provides an "acceleration" parameter as a tradeoff between high compression ratio and high compression speed. We want to use LZ4 fast in orde

[PATCH v4 2/4] lib/decompress_unlz4: Change module to work with new LZ4 module version

This patch updates the unlz4 wrapper to work with the updated LZ4 kernel module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- lib/decompress_unlz4.c | 13 - 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/lib/decompress_unlz4.c

[PATCH 3/4] crypto: Change LZ4 modules to work with new LZ4 module version

This patch updates the crypto modules using LZ4 compression to work with the new LZ4 module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- crypto/lz4.c | 21 - crypto/lz4hc.c | 21 - 2 files changed, 16 insertions(

[PATCH 4/4] fs/pstore: fs/squashfs: Change usage of LZ4 to work with new LZ4 version

This patch updates fs/pstore and fs/squashfs to use the updated functions from the new LZ4 module. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- fs/pstore/platform.c | 14 +++--- fs/squashfs/lz4_wrapper.c | 12 ++-- 2 files changed, 13 inse

[PATCH 2/4] lib/decompress_unlz4: Change module to work with new LZ4 module version

This patch updates the unlz4 wrapper to work with the updated LZ4 kernel module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- lib/decompress_unlz4.c | 13 - 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/lib/decompress_unlz4.c

[PATCH v3 0/4] Update LZ4 compressor module

This patchset is for updating the LZ4 compression module to a version based on LZ4 v1.7.3 allowing to use the fast compression algorithm aka LZ4 fast which provides an "acceleration" parameter as a tradeoff between high compression ratio and high compression speed. We want to use LZ4 fast in orde

Re: [PATCH v2 4/4] fs/pstore: fs/squashfs: Change usage of LZ4 to comply with new LZ4 module version

Hi Kees, On 01/07/2017 10:33 PM, Kees Cook wrote: >On Sat, Jan 7, 2017 at 8:55 AM, Sven Schmidt ><4ssch...@informatik.uni-hamburg.de> wrote: >> This patch updates fs/pstore and fs/squashfs to use the updated functions >> from >> the new LZ4 module. >> &

Re: [PATCH v2 1/4] lib: Update LZ4 compressor module based on LZ4 v1.7.2.

On 01/08/2017 12:23 PM, Greg KH wrote: > On Sat, Jan 07, 2017 at 05:55:43PM +0100, Sven Schmidt wrote: >> This patch updates the unlz4 wrapper to work with the new LZ4 kernel module >> version. >> >> Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de>

Re: [PATCH v2 1/4] lib: Update LZ4 compressor module based on LZ4 v1.7.2.

On 01/08/2017 12:25 PM, Greg KH wrote: >On Sat, Jan 07, 2017 at 05:55:42PM +0100, Sven Schmidt wrote: >> This patch updates LZ4 kernel module to LZ4 v1.7.2 by Yann Collet. >> The kernel module is inspired by the previous work by Chanho Min. >> The updated LZ4 module will no

[PATCH v2 4/4] fs/pstore: fs/squashfs: Change usage of LZ4 to comply with new LZ4 module version

This patch updates fs/pstore and fs/squashfs to use the updated functions from the new LZ4 module. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- fs/pstore/platform.c | 14 -- fs/squashfs/lz4_wrapper.c | 12 ++-- 2 files changed, 14 inse

[PATCH v2 0/4] Update LZ4 compressor module

This patchset is for updating the LZ4 compression module to a version based on LZ4 v1.7.2 allowing to use the fast compression algorithm aka LZ4 fast which provides an "acceleration" parameter as a tradeoff between high compression ratio and high compression speed. We want to use LZ4 fast in orde

[PATCH v2 2/4] lib/decompress_unlz4: Change module to work with new LZ4 module version

This patch updates the unlz4 wrapper to work with the new LZ4 kernel module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- lib/decompress_unlz4.c | 13 - 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/lib/decompress_unlz4.c

[PATCH v2 3/4] crypto: Change LZ4 modules to work with new LZ4 module version

This patch updates the crypto modules using LZ4 compression to work with the new LZ4 module version. Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de> --- crypto/lz4.c | 27 ++- crypto/lz4hc.c | 25 + 2 files changed, 27 inse