Re: [PATCH RFC 0/7] Introduce new async/sync compression APIs

From: Herbert Xu
Date: Tue Jan 12 2016 - 07:48:01 EST


On Tue, Jan 12, 2016 at 04:00:50PM +0800, Li, Weigang wrote:
> On 1/4/2016 12:46 PM, Joonsoo Kim wrote:
> >Happy New Year!
> >
> >This patchset is to introduce new compression APIs. It supports async/sync
> >compression although there is no async compression driver yet. But, async
> >APIs can be used as front-end to sync compression algorithm. Major change
> >is that now APIs are stateless. Instead of previous implementation, tfm
> >objects doesn't embedded any context so we can de/compress concurrently
> >with one tfm object. Instead, this de/compression context is coupled with
> >the request. This architecture change will make APIs more flexible.
> >
> >This is just a RFC so commit description isn't sufficient. If Herbert
> >confirms that this is what he expect, I will respin the series with proper
> >commit description and adding more algorithm support.
> >
> >Thanks.
> >
> >Joonsoo Kim (6):
> > crypto/compress: remove unused pcomp interface
> > crypto/compress: introduce sychronuous compression API
> > crypto/lzo: support SCOMPRESS alg type
> > crypto: testmgr: add scompress/acompress test
> > crypto/compress: add algorithm type specific flag, DECOMP_NOCTX
> > crypto/lzo: add CRYPTO_ALG_SCOMPRESS_DECOMP_NOCTX cra_flags
> >
> >Weigang Li (1):
> > crypto: add asynchronous compression support
> >
> > crypto/Kconfig | 19 +-
> > crypto/Makefile | 4 +-
> > crypto/acompress.c | 164 ++++++++++++++++
> > crypto/lzo.c | 95 +++++++--
> > crypto/pcompress.c | 115 -----------
> > crypto/scompress.c | 283 +++++++++++++++++++++++++++
> > crypto/testmgr.c | 376 +++++++++++++++---------------------
> > crypto/testmgr.h | 142 --------------
> > crypto/zlib.c | 381 -------------------------------------
> > include/crypto/compress.h | 354 +++++++++++++++++++++++++---------
> > include/crypto/internal/compress.h | 32 +---
> > include/linux/crypto.h | 10 +-
> > 12 files changed, 969 insertions(+), 1006 deletions(-)
> > create mode 100644 crypto/acompress.c
> > delete mode 100644 crypto/pcompress.c
> > create mode 100644 crypto/scompress.c
> > delete mode 100644 crypto/zlib.c
> >
> Hello Herbert,
> Any comments on this patchset?

The interfaces look good to me.

Thanks!
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
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