bio_copy_user_iov  211 block/blk-map.c 		bio = bio_copy_user_iov(q, map_data, iov, iov_count, read,
bio_copy_user_iov  742 fs/bio.c       	return bio_copy_user_iov(q, map_data, &iov, 1, write_to_vm, gfp_mask);
bio_copy_user_iov  355 include/linux/bio.h extern struct bio *bio_copy_user_iov(struct request_queue *,