bio: make use of bvec_nr_vecs

Since introduced in 7ba1ba12eee, it should be made use of.

Signed-off-by: Denis ChengRq <crquan@gmail.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 3 insertions, 6 deletions

diff --git a/fs/bio.c b/fs/bio.c
index 25f1af0d81e5..8000e2fa16cb 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -77,11 +77,8 @@ struct bio_vec *bvec_alloc_bs(gfp_t gfp_mask, int nr, unsigned long *idx, struct
          */
 
         bvl = mempool_alloc(bs->bvec_pools[*idx], gfp_mask);
-        if (bvl) {
-                struct biovec_slab *bp = bvec_slabs + *idx;
-
-                memset(bvl, 0, bp->nr_vecs * sizeof(struct bio_vec));
-        }
+        if (bvl)
+                memset(bvl, 0, bvec_nr_vecs(*idx) * sizeof(struct bio_vec));
 
         return bvl;
 }
@@ -149,7 +146,7 @@ struct bio *bio_alloc_bioset(gfp_t gfp_mask, int nr_iovecs, struct bio_set *bs)
                                 goto out;
                         }
                         bio->bi_flags |= idx << BIO_POOL_OFFSET;
-                        bio->bi_max_vecs = bvec_slabs[idx].nr_vecs;
+                        bio->bi_max_vecs = bvec_nr_vecs(idx);
                 }
                 bio->bi_io_vec = bvl;
         }