| Message ID | 20180525034621.31147-12-ming.lei@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/include/linux/bio.h b/include/linux/bio.h index 3d3795b9a353..08af9272687f 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -334,8 +334,14 @@ static inline void bio_get_last_bvec(struct bio *bio, struct bio_vec *bv) static inline unsigned bio_pages_all(struct bio *bio) { + unsigned i; + struct bio_vec *bv; + WARN_ON_ONCE(bio_flagged(bio, BIO_CLONED)); - return bio->bi_vcnt; + + bio_for_each_page_all(bv, bio, i) + ; + return i; } static inline struct bio_vec *bio_first_bvec_all(struct bio *bio)
As multipage bvec will be enabled soon, bio->bi_vcnt isn't same with page count in the bio any more, so use bio_for_each_page_all() to compute the number. Signed-off-by: Ming Lei <ming.lei@redhat.com> --- include/linux/bio.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)