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 >
