bio_copy_user 61 block/blk-map.c bio = bio_copy_user(q, map_data, uaddr, len, reading, gfp_mask); bio_copy_user 1055 fs/bio.c bio = bio_copy_user(q, NULL, (unsigned long)data, len, 1, gfp_mask); bio_copy_user 353 include/linux/bio.h extern struct bio *bio_copy_user(struct request_queue *, struct rq_map_data *,