[PATCHv2 0/2] add compression backend abstraction

[Sergey Senozhatsky]

This patchset add abstraction layer (zram_comp) to avoid direct LZO
calls and use a common compression backend interface instead. Patchset
introduces LZ4 support and new device attribute to switch used
compression algorithm.

Sergey Senozhatsky (2):
  zram: introduce compressing backend abstraction
  zram: use zram_comp compressing backends

 drivers/block/zram/Kconfig     |  20 +++-
 drivers/block/zram/Makefile    |   6 +-
 drivers/block/zram/zcomp_lz4.c |  49 ++++++++++
 drivers/block/zram/zcomp_lz4.h |  18 ++++
 drivers/block/zram/zcomp_lzo.c |  49 ++++++++++
 drivers/block/zram/zcomp_lzo.h |  18 ++++
 drivers/block/zram/zram_comp.c | 204 +++++++++++++++++++++++++++++++++++++++++
 drivers/block/zram/zram_comp.h |  64 +++++++++++++
 drivers/block/zram/zram_drv.c  |  96 ++++++++++++-------
 drivers/block/zram/zram_drv.h  |   8 +-
 10 files changed, 492 insertions(+), 40 deletions(-)
 create mode 100644 drivers/block/zram/zcomp_lz4.c
 create mode 100644 drivers/block/zram/zcomp_lz4.h
 create mode 100644 drivers/block/zram/zcomp_lzo.c
 create mode 100644 drivers/block/zram/zcomp_lzo.h
 create mode 100644 drivers/block/zram/zram_comp.c
 create mode 100644 drivers/block/zram/zram_comp.h

-- 
1.9.rc1.183.g614c158

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