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