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authorJason Gunthorpe <jgg@nvidia.com>2020-09-17 15:12:22 -0300
committerJason Gunthorpe <jgg@nvidia.com>2020-09-18 10:31:45 -0300
commit5dee5872f87552cfb173c899d35fc1413c2aa77f (patch)
tree273a8551247785dbec22d1e7c55e2b636e1c9e8e /include/linux/bvec.h
parentc0a6b5ecc5b7dd028c2921415ea036074a8f8b00 (diff)
parent376ceb31ff879c2ee6b48eef841d6fa7720f6f43 (diff)
downloadcachepc-linux-5dee5872f87552cfb173c899d35fc1413c2aa77f.tar.gz
cachepc-linux-5dee5872f87552cfb173c899d35fc1413c2aa77f.zip
Merge branch 'mlx5_active_speed' into rdma.git for-next
Leon Romanovsky says: ==================== IBTA declares speed as 16 bits, but kernel stores it in u8. This series fixes in-kernel declaration while keeping external interface intact. ==================== Based on the mlx5-next branch at git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux due to dependencies. * branch 'mlx5_active_speed': RDMA: Fix link active_speed size RDMA/mlx5: Delete duplicated mlx5_ptys_width enum net/mlx5: Refactor query port speed functions
Diffstat (limited to 'include/linux/bvec.h')
-rw-r--r--include/linux/bvec.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index ac0c7299d5b8..dd74503f7e5e 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -117,11 +117,18 @@ static inline bool bvec_iter_advance(const struct bio_vec *bv,
return true;
}
+static inline void bvec_iter_skip_zero_bvec(struct bvec_iter *iter)
+{
+ iter->bi_bvec_done = 0;
+ iter->bi_idx++;
+}
+
#define for_each_bvec(bvl, bio_vec, iter, start) \
for (iter = (start); \
(iter).bi_size && \
((bvl = bvec_iter_bvec((bio_vec), (iter))), 1); \
- bvec_iter_advance((bio_vec), &(iter), (bvl).bv_len))
+ (bvl).bv_len ? (void)bvec_iter_advance((bio_vec), &(iter), \
+ (bvl).bv_len) : bvec_iter_skip_zero_bvec(&(iter)))
/* for iterating one bio from start to end */
#define BVEC_ITER_ALL_INIT (struct bvec_iter) \