diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 52abe408268088575db22ce79b851ee2f529a0c0..dc8ba3ee515d6348df5f5d10da8f5487ca6991de 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2350,7 +2350,7 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset,
 	int read_mode = 0;
 	blk_status_t status;
 	int ret;
-	unsigned failed_bio_pages = bio_pages_all(failed_bio);
+	unsigned failed_bio_pages = failed_bio->bi_iter.bi_size >> PAGE_SHIFT;
 
 	BUG_ON(bio_op(failed_bio) == REQ_OP_WRITE);
 
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 7380b094dccada7ff44766d0d4966b3d6088f90b..72b4f7be2106495acccdf4c6a16d74d3c6a74903 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -263,12 +263,6 @@ static inline void bio_get_last_bvec(struct bio *bio, struct bio_vec *bv)
 		bv->bv_len = iter.bi_bvec_done;
 }
 
-static inline unsigned bio_pages_all(struct bio *bio)
-{
-	WARN_ON_ONCE(bio_flagged(bio, BIO_CLONED));
-	return bio->bi_vcnt;
-}
-
 static inline struct bio_vec *bio_first_bvec_all(struct bio *bio)
 {
 	WARN_ON_ONCE(bio_flagged(bio, BIO_CLONED));