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SubjectRe: [PATCH 0/7] zram: switch to crypto api
On Wed, May 25, 2016 at 11:29:59PM +0900, Sergey Senozhatsky wrote:
> Hello,
>
> This has started as a 'add zlib support' work, but after some
> thinking I saw no blockers for a bigger change -- a switch to
> crypto API.
>
> We don't have an idle zstreams list anymore and our write path
> now works absolutely differently, preventing preemption during
> compression. This removes possibilities of read paths preempting
> writes at wrong places and opens the door for a move from custom
> LZO/LZ4 compression backends implementation to a more generic one,
> using crypto compress API.
>
> This patch set also eliminates the need of a new context-less
> crypto API interface, which was quite hard to sell, so we can
> move along faster.

Super fast Sergey.
At a first glance, patchset looks nice.
I will review as soon as possible.

Thanks a lot!

>
>
> Sergey Senozhatsky (7):
> zram: rename zstrm find-release functions
> zram: switch to crypto compress API
> zram: drop zcomp param from compress/decompress
> zram: align zcomp interface to crypto comp API
> zram: use crypto api to check alg availability
> zram: delete custom lzo/lz4
> zram: add more compression algorithms
>
> drivers/block/zram/Kconfig | 15 +------
> drivers/block/zram/Makefile | 4 +-
> drivers/block/zram/zcomp.c | 91 +++++++++++++++++++++++++++---------------
> drivers/block/zram/zcomp.h | 29 ++++----------
> drivers/block/zram/zcomp_lz4.c | 56 --------------------------
> drivers/block/zram/zcomp_lz4.h | 17 --------
> drivers/block/zram/zcomp_lzo.c | 56 --------------------------
> drivers/block/zram/zcomp_lzo.h | 17 --------
> drivers/block/zram/zram_drv.c | 26 +++++++-----
> 9 files changed, 84 insertions(+), 227 deletions(-)
> delete mode 100644 drivers/block/zram/zcomp_lz4.c
> delete mode 100644 drivers/block/zram/zcomp_lz4.h
> delete mode 100644 drivers/block/zram/zcomp_lzo.c
> delete mode 100644 drivers/block/zram/zcomp_lzo.h
>
> --
> 2.8.3.394.g3916adf
>

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