1 files changed, 2 insertions, 25 deletions

diff --git a/fs/bio.c b/fs/bio.c
index 8b7f14a..07b4b7a 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -532,13 +532,11 @@ void __bio_clone(struct bio *bio, struct bio *bio_src)
 	 * most users will be overriding ->bi_bdev with a new target,
 	 * so we don't set nor calculate new physical/hw segment counts here
 	 */
-	bio->bi_iter.bi_sector = bio_src->bi_iter.bi_sector;
 	bio->bi_bdev = bio_src->bi_bdev;
 	bio->bi_flags |= 1 << BIO_CLONED;
 	bio->bi_rw = bio_src->bi_rw;
 	bio->bi_vcnt = bio_src->bi_vcnt;
-	bio->bi_iter.bi_size = bio_src->bi_iter.bi_size;
-	bio->bi_iter.bi_idx = bio_src->bi_iter.bi_idx;
+	bio->bi_iter = bio_src->bi_iter;
 }
 EXPORT_SYMBOL(__bio_clone);
 
@@ -808,28 +806,7 @@ void bio_advance(struct bio *bio, unsigned bytes)
 	if (bio_integrity(bio))
 		bio_integrity_advance(bio, bytes);
 
-	bio->bi_iter.bi_sector += bytes >> 9;
-	bio->bi_iter.bi_size -= bytes;
-
-	if (bio->bi_rw & BIO_NO_ADVANCE_ITER_MASK)
-		return;
-
-	while (bytes) {
-		if (unlikely(bio->bi_iter.bi_idx >= bio->bi_vcnt)) {
-			WARN_ONCE(1, "bio idx %d >= vcnt %d\n",
-				  bio->bi_iter.bi_idx, bio->bi_vcnt);
-			break;
-		}
-
-		if (bytes >= bio_iovec(bio).bv_len) {
-			bytes -= bio_iovec(bio).bv_len;
-			bio->bi_iter.bi_idx++;
-		} else {
-			bio_iovec(bio).bv_len -= bytes;
-			bio_iovec(bio).bv_offset += bytes;
-			bytes = 0;
-		}
-	}
+	bio_advance_iter(bio, &bio->bi_iter, bytes);
 }
 EXPORT_SYMBOL(bio_advance);