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block: export bio_free_pages to other modules

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bio_free_pages is introduced in commit 1dfa0f68c0
("block: add a helper to free bio bounce buffer pages"),
we can reuse the func in other modules after it was
imported.

Cc: Christoph Hellwig <hch@infradead.org>
Cc: Jens Axboe <axboe@fb.com>
Cc: Mike Snitzer <snitzer@redhat.com>
Cc: Shaohua Li <shli@fb.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Acked-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Guoqing Jiang
2016-09-22 03:10:01 -04:00
committed by Jens Axboe
parent 1e3aeae4ea
commit 491221f88d
9 changed files with 13 additions and 36 deletions
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1
include/linux/bio.h
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@@ -459,6 +459,7 @@ static inline void bio_flush_dcache_pages(struct bio *bi)
extern void bio_copy_data(struct bio *dst, struct bio *src);
extern int bio_alloc_pages(struct bio *bio, gfp_t gfp);
extern void bio_free_pages(struct bio *bio);
extern struct bio *bio_copy_user_iov(struct request_queue *,
struct rq_map_data *,