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[CRYPTO] scatterwalk: Restore custom sg chaining for now

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Unfortunately the generic chaining hasn't been ported to all architectures
yet, and notably not s390.  So this patch restores the chainging that we've
been using previously which does work everywhere.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2007-12-05 20:59:25 +11:00
parent 42c271c6c5
commit b2ab4a57b0
5 changed files with 17 additions and 5 deletions
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11
include/crypto/scatterwalk.h
View file

@ -52,6 +52,17 @@ static inline void crypto_yield(u32 flags)
cond_resched();
}
static inline void scatterwalk_sg_chain(struct scatterlist *sg1, int num,
struct scatterlist *sg2)
{
sg_set_page(&sg1[num - 1], (void *)sg2, 0, 0);
}
static inline struct scatterlist *scatterwalk_sg_next(struct scatterlist *sg)
{
return (++sg)->length ? sg : (void *)sg_page(sg);
}
static inline unsigned long scatterwalk_samebuf(struct scatter_walk *walk_in,
struct scatter_walk *walk_out)
{