- * Add a bio to a single linked list defined by its head and tail pointers.
- */
-static void pkt_add_list_last(struct bio *bio, struct bio **list_head, struct bio **list_tail)
-{
- bio->bi_next = NULL;
- if (*list_tail) {
- BUG_ON((*list_head) == NULL);
- (*list_tail)->bi_next = bio;
- (*list_tail) = bio;
- } else {
- BUG_ON((*list_head) != NULL);
- (*list_head) = bio;
- (*list_tail) = bio;
- }
-}
-
-/*
- * Remove and return the first bio from a single linked list defined by its
- * head and tail pointers.
- */
-static inline struct bio *pkt_get_list_first(struct bio **list_head, struct bio **list_tail)
-{
- struct bio *bio;
-
- if (*list_head == NULL)
- return NULL;
-
- bio = *list_head;
- *list_head = bio->bi_next;
- if (*list_head == NULL)
- *list_tail = NULL;
-
- bio->bi_next = NULL;
- return bio;
-}
-
-/*