161 struct dpages {  struct
162 	void (*get_page)(struct dpages *dp,  argument
164 	void (*next_page)(struct dpages *dp);  argument
179 static void list_get_page(struct dpages *dp,  in list_get_page()  argument
190 static void list_next_page(struct dpages *dp)  in list_next_page()
197 static void list_dp_init(struct dpages *dp, struct page_list *pl, unsigned int offset)  in list_dp_init()
208 static void bio_get_page(struct dpages *dp, struct page **p,  in bio_get_page()
222 static void bio_next_page(struct dpages *dp)  in bio_next_page()
230 static void bio_dp_init(struct dpages *dp, struct bio *bio)  in bio_dp_init()
246 static void vm_get_page(struct dpages *dp,  in vm_get_page()
254 static void vm_next_page(struct dpages *dp)  in vm_next_page()
260 static void vm_dp_init(struct dpages *dp, void *data)  in vm_dp_init()
271 static void km_get_page(struct dpages *dp, struct page **p, unsigned long *len,  in km_get_page()
279 static void km_next_page(struct dpages *dp)  in km_next_page()
285 static void km_dp_init(struct dpages *dp, void *data)  in km_dp_init()
297 		      struct dm_io_region *where, struct dpages *dp,  in do_region()
373 			struct dm_io_region *where, struct dpages *dp,  in dispatch_io()
377 	struct dpages old_pages = *dp;  in dispatch_io()
415 		   struct dm_io_region *where, blk_opf_t opf, struct dpages *dp,  in sync_io()
450 		    struct dpages *dp, io_notify_fn fn, void *context)  in async_io()
474 static int dp_init(struct dm_io_request *io_req, struct dpages *dp,  in dp_init()
515 	struct dpages dp;  in dm_io()