[PATCH 09/11] block: mark the bio as cloned in bio_iov_bvec_set
From: Christoph Hellwig <hch@lst.de>
Date: 2021-02-02 17:23:07
Also in:
linux-block
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
bio_iov_bvec_set clones the bio_vecs from the iter, and thus should be treated like a cloned bio in every respect. That also includes not touching bi_max_vecs as that is a property of the bio allocation and not its current payload. Signed-off-by: Christoph Hellwig <hch@lst.de> --- block/bio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/bio.c b/block/bio.c
index f753201238273b..a36f955cd120b0 100644
--- a/block/bio.c
+++ b/block/bio.c@@ -937,11 +937,11 @@ static int bio_iov_bvec_set(struct bio *bio, struct iov_iter *iter) WARN_ON_ONCE(BVEC_POOL_IDX(bio) != 0); bio->bi_vcnt = iter->nr_segs; - bio->bi_max_vecs = iter->nr_segs; bio->bi_io_vec = (struct bio_vec *)iter->bvec; bio->bi_iter.bi_bvec_done = iter->iov_offset; bio->bi_iter.bi_size = iter->count; bio_set_flag(bio, BIO_NO_PAGE_REF); + bio_set_flag(bio, BIO_CLONED); iov_iter_advance(iter, iter->count); return 0;
--
2.29.2