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Commit 4713839d authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Jens Axboe
Browse files

block: remove the __bio_add_pc_page export 



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: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 2b070cfe

block/bio.c

+1 −2
Original line number Diff line number Diff line
@@ -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)

include/linux/bio.h

+0 −3
Original line number Diff line number Diff line
@@ -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,