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block: remove the __bio_add_pc_page export

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The same page optimization is a rather odd corner case, which is not
used outside bio.c and which really should not be used outside of bio.c
either - we have better highlevel helpers like the rq/bio mapping
helpers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2019-04-25 09:04:33 +02:00 committed by Jens Axboe
parent 2b070cfe58
commit 4713839dfe
2 changed files with 1 additions and 5 deletions
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3
block/bio.c
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@ -709,7 +709,7 @@ static bool can_add_page_to_seg(struct request_queue *q,
*
* This should only be used by passthrough bios.
*/
int __bio_add_pc_page(struct request_queue *q, struct bio *bio,
static int __bio_add_pc_page(struct request_queue *q, struct bio *bio,
struct page *page, unsigned int len, unsigned int offset,
bool put_same_page)
{
@ -776,7 +776,6 @@ int __bio_add_pc_page(struct request_queue *q, struct bio *bio,
bio_set_flag(bio, BIO_SEG_VALID);
return len;
}
EXPORT_SYMBOL(__bio_add_pc_page);
int bio_add_pc_page(struct request_queue *q, struct bio *bio,
struct page *page, unsigned int len, unsigned int offset)

3
include/linux/bio.h
View File

@ -435,9 +435,6 @@ void bio_chain(struct bio *, struct bio *);
extern int bio_add_page(struct bio *, struct page *, unsigned int,unsigned int);
extern int bio_add_pc_page(struct request_queue *, struct bio *, struct page *,
unsigned int, unsigned int);
extern int __bio_add_pc_page(struct request_queue *, struct bio *,
struct page *, unsigned int, unsigned int,
bool);
bool __bio_try_merge_page(struct bio *bio, struct page *page,
unsigned int len, unsigned int off, bool same_page);
void __bio_add_page(struct bio *bio, struct page *page,