#define BIO_SEG_VALID 3 /* nr_hw_seg valid */
#define BIO_CLONED 4 /* doesn't own data */
#define BIO_BOUNCED 5 /* bio is a bounce bio */
-#define BIO_USER_MAPPED 6 /* contains user pages */
#define bio_flagged(bio, flag) ((bio)->bi_flags & (1 << (flag)))
/*
extern int bio_get_nr_vecs(struct block_device *);
extern struct bio *bio_map_user(struct request_queue *, struct block_device *,
unsigned long, unsigned int, int);
-extern void bio_unmap_user(struct bio *);
+extern void bio_unmap_user(struct bio *, int);
extern void bio_set_pages_dirty(struct bio *bio);
extern void bio_check_pages_dirty(struct bio *bio);
-extern struct bio *bio_copy_user(struct request_queue *, unsigned long, unsigned int, int);
-extern int bio_uncopy_user(struct bio *);
#ifdef CONFIG_HIGHMEM
/*