320 			struct bio *head, struct bio *tail)  in requeue_list()  argument
327 	if (pending_bios->tail)  in requeue_list()
328 		tail->bi_next = old_head;  in requeue_list()
330 		pending_bios->tail = tail;  in requeue_list()
350 	struct bio *tail;  in run_scheduled_bios()  local
394 	tail = pending_bios->tail;  in run_scheduled_bios()
395 	WARN_ON(pending && !tail);  in run_scheduled_bios()
415 	pending_bios->tail = NULL;  in run_scheduled_bios()
431 			requeue_list(pending_bios, pending, tail);  in run_scheduled_bios()
505 			requeue_list(pending_bios, pending, tail);  in run_scheduled_bios()
6116 	if (pending_bios->tail)  in btrfs_schedule_bio()
6117 		pending_bios->tail->bi_next = bio;  in btrfs_schedule_bio()
6119 	pending_bios->tail = bio;  in btrfs_schedule_bio()