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SG: Make sg_init_one() use general table init functions 

Don't open code sg_init_one(), make it reuse sg_init_table().

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe 2007-10-30 10:34:33 +01:00 committed by Jens Axboe
parent 54866f0323
commit 013fb33972
1 changed files with 18 additions and 22 deletions
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40
include/linux/scatterlist.h
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@ -205,28 +205,6 @@ static inline void __sg_mark_end(struct scatterlist *sg)
sg->page_link |= 0x02;
}
/**
* sg_init_one - Initialize a single entry sg list
* @sg: SG entry
* @buf: Virtual address for IO
* @buflen: IO length
*
* Notes:
* This should not be used on a single entry that is part of a larger
* table. Use sg_init_table() for that.
*
**/
static inline void sg_init_one(struct scatterlist *sg, const void *buf,
unsigned int buflen)
{
memset(sg, 0, sizeof(*sg));
#ifdef CONFIG_DEBUG_SG
sg->sg_magic = SG_MAGIC;
#endif
sg_mark_end(sg, 1);
sg_set_buf(sg, buf, buflen);
}
/**
* sg_init_table - Initialize SG table
* @sgl: The SG table
@ -250,6 +228,24 @@ static inline void sg_init_table(struct scatterlist *sgl, unsigned int nents)
#endif
}
/**
* sg_init_one - Initialize a single entry sg list
* @sg: SG entry
* @buf: Virtual address for IO
* @buflen: IO length
*
* Notes:
* This should not be used on a single entry that is part of a larger
* table. Use sg_init_table() for that.
*
**/
static inline void sg_init_one(struct scatterlist *sg, const void *buf,
unsigned int buflen)
{
sg_init_table(sg, 1);
sg_set_buf(sg, buf, buflen);
}
/**
* sg_phys - Return physical address of an sg entry
* @sg: SG entry