[PATCH V3 5/6] block: move three bvec helpers declaration into private helper

Ming Lei
2021-01-11T03:08:10Z

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>
---
block/blk.h | 4 ++++
include/linux/bio.h | 3 ---
2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/block/blk.h b/block/blk.h
index 7550364c326c..a21a35c4a3e4 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -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)
{
diff --git a/include/linux/bio.h b/include/linux/bio.h
index f606eb1e556f..70914dd6a70d 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -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) \
--
2.28.0