Hi Guenter, Tobias and Sandra,
thanks for your effort here.
On Tue, Feb 28, 2017 at 10:14:13AM -0800, Guenter Roeck wrote:
> On Tue, Feb 28, 2017 at 10:53:56AM -0700, Sandra Loosemore wrote:
> > On 02/28/2017 08:53 AM, Tobias Klauser wrote:
> > >(adding Sandra Loosemore to Cc due to possible rela
Hi Guenter,
thanks for your testing!
I must admit, I'm fairly new to kernel development and a little overwhelmed by
all that tools used.
So I do not really know how to reproduce your test using your script. I
installed qemu from the master branch and buildroot.
Unfortunately, that's the point I
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
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
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
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(
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
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
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
> > *
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,
> > >
> > >
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
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
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
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
Hello,
On Wed, Feb 08, 2017 at 11:06:34PM +0100, Arnd Bergmann wrote:
> On Wed, Feb 8, 2017 at 10:34 PM, Andrew Morton
> wrote:
> > On Wed, 8 Feb 2017 22:19:23 +0100 Arnd Bergmann wrote:
> >
> >> The updated lz4 library removed the #ifdef guards around the various
> >> EXPORT_SYMBOL statements
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))
>
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
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
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/lz
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
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
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
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
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
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
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
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 | 589 ++---
lib/lz4/lz
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(
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
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
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
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
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(
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
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 | 589 ++---
lib/lz4/lz
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
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
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
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
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
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(
outputsize
are now known as LZ4_compress_default respectivley LZ4_decompress_safe.
The old methods are still available for providing backwards compatibility.
Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de>
---
include/linux/lz4.h | 589 ++---
lib/lz
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
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
outputsize
are now known as LZ4_compress_default respectivley LZ4_decompress_safe.
The old methods are still available for providing backwards compatibility.
Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de>
---
include/linux/lz4.h | 581 +---
lib/lz
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
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
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(
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
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.
>>
&
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>
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
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
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
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
are now known as
LZ4_compress_default respectivley LZ4_decompress_safe. The old methods are still
available for offering backwards compatibility.
Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de>
---
include/linux/lz4.h | 307 ++
lib/lz4/lz4_compress.c
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
On 12/22/2016 06:31 PM, Greg KH wrote:
>On Wed, Dec 21, 2016 at 09:04:02PM +0100, Sven Schmidt wrote:
>> On 12/20/2016 08:52 PM, Joe Perches wrote:
>> > On Tue, 2016-12-20 at 19:53 +0100, Sven Schmidt wrote:
>> >> This patch updates LZ4 kernel module to LZ4 v1.7.2 by
On 12/22/2016 06:29 PM, Greg KH wrote:
> On Tue, Dec 20, 2016 at 07:53:09PM +0100, Sven Schmidt wrote:
>>
>> 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
>> whic
On 12/22/2016 02:21 PM, Sergey Senozhatsky wrote:
> On (12/20/16 19:53), Sven Schmidt wrote:
>> @@ -366,7 +366,7 @@ static int decompress_lz4(void *in, void *out, size_t
>> inlen, size_t outlen)
>>
>> static void allocate_lz4(void)
>> {
>> -big
On 12/20/2016 08:52 PM, Joe Perches wrote:
> On Tue, 2016-12-20 at 19:53 +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
are now known as
LZ4_compress_default respectivley LZ4_decompress_safe. The old methods are still
available for offering backwards compatibility.
Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de>
---
include/linux/lz4.h | 267 +---
lib/decompress_unlz4.c
This patch updates the crypto modules using LZ4 compression to work with the
new LZ4 kernel module version.
Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de>
---
crypto/lz4.c | 93 +++--
crypto/lz4hc.
This patch updates the fs/pstore and fs/squashfs to work with the
new LZ4 kernel module version.
Signed-off-by: Sven Schmidt <4ssch...@informatik.uni-hamburg.de>
---
fs/pstore/platform.c | 11 +--
fs/squashfs/lz4_wrapper.c | 3 +--
2 files changed, 6 insertions(+), 8 del
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
compression ratio and compression speed.
We will use LZ4 fast in order to support
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