async_tx: add sum check flags

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Replace the flat zero_sum_result with a collection of flags to contain
the P (xor) zero-sum result, and the soon to be utilized Q (raid6 reed
solomon syndrome) zero-sum result.  Use the SUM_CHECK_ namespace instead
of DMA_ since these flags will be used on non-dma-zero-sum enabled
platforms.

Reviewed-by: Andre Noll <maan@systemlinux.org>
Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

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Dan Williams 2009-08-29 19:09:26 -07:00

parent d6f38f31f3

commit ad283ea4a3

7 changed files with 37 additions and 14 deletions

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2

include/linux/async_tx.h

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21

include/linux/dmaengine.h

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