- bio->bi_sector = sector;
- bio->bi_size = to_bytes(len);
-}
-
-static void bio_setup_bv(struct bio *bio, unsigned short idx, unsigned short bv_count)
-{
- bio->bi_idx = idx;
- bio->bi_vcnt = idx + bv_count;
- bio->bi_flags &= ~(1 << BIO_SEG_VALID);
-}
-
-static void clone_bio_integrity(struct bio *bio, struct bio *clone,
- unsigned short idx, unsigned len, unsigned offset,
- unsigned trim)
-{
- if (!bio_integrity(bio))
- return;
-
- bio_integrity_clone(clone, bio, GFP_NOIO);
-
- if (trim)
- bio_integrity_trim(clone, bio_sector_offset(bio, idx, offset), len);
-}
-
-/*
- * Creates a little bio that just does part of a bvec.
- */
-static void clone_split_bio(struct dm_target_io *tio, struct bio *bio,
- sector_t sector, unsigned short idx,
- unsigned offset, unsigned len)
-{
- struct bio *clone = &tio->clone;
- struct bio_vec *bv = bio->bi_io_vec + idx;
-
- *clone->bi_io_vec = *bv;
-
- bio_setup_sector(clone, sector, len);
-
- clone->bi_bdev = bio->bi_bdev;
- clone->bi_rw = bio->bi_rw;
- clone->bi_vcnt = 1;
- clone->bi_io_vec->bv_offset = offset;
- clone->bi_io_vec->bv_len = clone->bi_size;
- clone->bi_flags |= 1 << BIO_CLONED;
-
- clone_bio_integrity(bio, clone, idx, len, offset, 1);