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async_tx: rename zero_sum to val

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'zero_sum' does not properly describe the operation of generating parity
and checking that it validates against an existing buffer.  Change the
name of the operation to 'val' (for 'validate').  This is in
anticipation of the p+q case where it is a requirement to identify the
target parity buffers separately from the source buffers, because the
target parity buffers will not have corresponding pq coefficients.

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>
This commit is contained in:
Dan Williams 2009-04-08 14:28:37 -07:00
parent fd74ea6588
commit 099f53cb50
9 changed files with 47 additions and 47 deletions
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include/linux/async_tx.h
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@ -117,7 +117,7 @@ async_xor(struct page *dest, struct page **src_list, unsigned int offset,
dma_async_tx_callback cb_fn, void *cb_fn_param);
struct dma_async_tx_descriptor *
async_xor_zero_sum(struct page *dest, struct page **src_list,
async_xor_val(struct page *dest, struct page **src_list,
unsigned int offset, int src_cnt, size_t len,
u32 *result, enum async_tx_flags flags,
struct dma_async_tx_descriptor *depend_tx,