Dma-direct bio iterators need to be advanced using a similar dvec_iter_advance helper.
Signed-off-by: Logan Gunthorpe <[email protected]> --- include/linux/bio.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/bio.h b/include/linux/bio.h index 8180309123d7..e212e5958a75 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -134,6 +134,8 @@ static inline void bio_advance_iter(struct bio *bio, struct bvec_iter *iter, if (bio_no_advance_iter(bio)) iter->bi_size -= bytes; + else if (op_is_dma_direct(bio->bi_opf)) + dvec_iter_advance(bio->bi_dma_vec, iter, bytes); else bvec_iter_advance(bio->bi_io_vec, iter, bytes); /* TODO: It is reasonable to complete bio with error here. */ -- 2.20.1
