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linux-next/include/linux/scatterlist.h
Herbert Xu 03fd9cee7f [PATCH] scatterlist: Add const to sg_set_buf/sg_init_one pointer argument
This patch adds a const modifier to the buf argument of sg_set_buf and
sg_init_one.  This lets people call it with pointers that are const.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2006-09-21 11:46:16 +10:00

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C

#ifndef _LINUX_SCATTERLIST_H
#define _LINUX_SCATTERLIST_H
#include <asm/scatterlist.h>
#include <linux/mm.h>
#include <linux/string.h>
static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
unsigned int buflen)
{
sg->page = virt_to_page(buf);
sg->offset = offset_in_page(buf);
sg->length = buflen;
}
static inline void sg_init_one(struct scatterlist *sg, const void *buf,
unsigned int buflen)
{
memset(sg, 0, sizeof(*sg));
sg_set_buf(sg, buf, buflen);
}
#endif /* _LINUX_SCATTERLIST_H */