131 	chunk_t current_area;
151 	chunk_t next_free;
229 static int chunk_io(struct pstore *ps, void *area, chunk_t chunk, int op,  in chunk_io()
268 static chunk_t area_location(struct pstore *ps, chunk_t area)  in area_location()
276 	chunk_t next_free = ps->next_free;  in skip_metadata()
288 	chunk_t chunk;  in area_io()
304 static int zero_disk_area(struct pstore *ps, chunk_t area)  in zero_disk_area()
450 					     chunk_t old, chunk_t new),  in insert_exceptions()
494 			   int (*callback)(void *callback_context, chunk_t old,  in read_exceptions()
495 					   chunk_t new),  in read_exceptions()
500 	chunk_t prefetch_area = 0;  in read_exceptions()
521 		chunk_t chunk;  in read_exceptions()
527 			chunk_t pf_chunk = area_location(ps, prefetch_area);  in read_exceptions()
613 						    chunk_t old, chunk_t new),  in persistent_read_metadata()
766 				    chunk_t *last_old_chunk,  in persistent_prepare_merge()
767 				    chunk_t *last_new_chunk)  in persistent_prepare_merge()