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-rw-r--r--block/blk.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/block/blk.h b/block/blk.h
index ab0aaf958553..0198335c5838 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)
{