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block: move three bvec helpers declaration into private helper 

bvec_alloc(), bvec_free() and bvec_nr_vecs() are only used inside block
layer core functions, no need to declare them in public header.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Ming Lei 2021-01-11 11:05:56 +08:00 committed by Jens Axboe
parent baa2c7c971
commit eec716a1c1
2 changed files with 4 additions and 3 deletions
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4
block/blk.h
View File

@ -55,6 +55,10 @@ void blk_free_flush_queue(struct blk_flush_queue *q);
void blk_freeze_queue(struct request_queue *q);
struct bio_vec *bvec_alloc(gfp_t, int, unsigned long *, mempool_t *);
void bvec_free(mempool_t *, struct bio_vec *, unsigned int);
unsigned int bvec_nr_vecs(unsigned short idx);
static inline bool biovec_phys_mergeable(struct request_queue *q,
struct bio_vec *vec1, struct bio_vec *vec2)
{

3
include/linux/bio.h
View File

@ -478,9 +478,6 @@ static inline void zero_fill_bio(struct bio *bio)
zero_fill_bio_iter(bio, bio->bi_iter);
}
extern struct bio_vec *bvec_alloc(gfp_t, int, unsigned long *, mempool_t *);
extern void bvec_free(mempool_t *, struct bio_vec *, unsigned int);
extern unsigned int bvec_nr_vecs(unsigned short idx);
extern const char *bio_devname(struct bio *bio, char *buffer);
#define bio_set_dev(bio, bdev) \