94 	void (*alloc_callback)(struct dm_buffer *);
95 	void (*write_callback)(struct dm_buffer *);
138 struct dm_buffer {  struct
158 	void (*end_io)(struct dm_buffer *, blk_status_t);  argument
255 static void buffer_record_stack(struct dm_buffer *b)  in buffer_record_stack()
264 static struct dm_buffer *__find(struct dm_bufio_client *c, sector_t block)  in __find()
267 	struct dm_buffer *b;  in __find()
270 		b = container_of(n, struct dm_buffer, node);  in __find()
281 static struct dm_buffer *__find_next(struct dm_bufio_client *c, sector_t block)  in __find_next()
284 	struct dm_buffer *b;  in __find_next()
285 	struct dm_buffer *best = NULL;  in __find_next()
288 		b = container_of(n, struct dm_buffer, node);  in __find_next()
304 static void __insert(struct dm_bufio_client *c, struct dm_buffer *b)  in __insert()
307 	struct dm_buffer *found;  in __insert()
310 		found = container_of(*new, struct dm_buffer, node);  in __insert()
326 static void __remove(struct dm_bufio_client *c, struct dm_buffer *b)  in __remove()
333 static void adjust_total_allocated(struct dm_buffer *b, bool unlink)  in adjust_total_allocated()
481 static struct dm_buffer *alloc_buffer(struct dm_bufio_client *c, gfp_t gfp_mask)  in alloc_buffer()
483 	struct dm_buffer *b = kmem_cache_alloc(c->slab_buffer, gfp_mask);  in alloc_buffer()
505 static void free_buffer(struct dm_buffer *b)  in free_buffer()
516 static void __link_buffer(struct dm_buffer *b, sector_t block, int dirty)  in __link_buffer()
533 static void __unlink_buffer(struct dm_buffer *b)  in __unlink_buffer()
549 static void __relink_lru(struct dm_buffer *b, int dirty)  in __relink_lru()
588 	struct dm_buffer *b = context;  in dmio_complete()
593 static void use_dmio(struct dm_buffer *b, enum req_op op, sector_t sector,  in use_dmio()
624 	struct dm_buffer *b = bio->bi_private;  in bio_complete()
631 static void use_bio(struct dm_buffer *b, enum req_op op, sector_t sector,  in use_bio()
684 static void submit_io(struct dm_buffer *b, enum req_op op,  in submit_io()
685 		      void (*end_io)(struct dm_buffer *, blk_status_t))  in submit_io()  argument
729 static void write_endio(struct dm_buffer *b, blk_status_t status)  in write_endio()
757 static void __write_dirty_buffer(struct dm_buffer *b,  in __write_dirty_buffer()
780 		struct dm_buffer *b =  in __flush_write_list()
781 			list_entry(write_list->next, struct dm_buffer, write_list);  in __flush_write_list()
794 static void __make_buffer_clean(struct dm_buffer *b)  in __make_buffer_clean()
811 static struct dm_buffer *__get_unclaimed_buffer(struct dm_bufio_client *c)  in __get_unclaimed_buffer()
813 	struct dm_buffer *b;  in __get_unclaimed_buffer()
883 static struct dm_buffer *__alloc_buffer_wait_no_callback(struct dm_bufio_client *c, enum new_flag n…  in __alloc_buffer_wait_no_callback()
885 	struct dm_buffer *b;  in __alloc_buffer_wait_no_callback()
922 				       struct dm_buffer, lru_list);  in __alloc_buffer_wait_no_callback()
937 static struct dm_buffer *__alloc_buffer_wait(struct dm_bufio_client *c, enum new_flag nf)  in __alloc_buffer_wait()
939 	struct dm_buffer *b = __alloc_buffer_wait_no_callback(c, nf);  in __alloc_buffer_wait()
953 static void __free_buffer_wake(struct dm_buffer *b)  in __free_buffer_wake()
970 	struct dm_buffer *b, *tmp;  in __write_dirty_buffers_async()
1005 static struct dm_buffer *__bufio_new(struct dm_bufio_client *c, sector_t block,  in __bufio_new()
1009 	struct dm_buffer *b, *new_b = NULL;  in __bufio_new()
1075 static void read_endio(struct dm_buffer *b, blk_status_t status)  in read_endio()
1095 		      enum new_flag nf, struct dm_buffer **bp)  in new_read()
1098 	struct dm_buffer *b;  in new_read()
1134 		   struct dm_buffer **bp)  in dm_bufio_get()
1141 		    struct dm_buffer **bp)  in dm_bufio_read()
1150 		   struct dm_buffer **bp)  in dm_bufio_new()
1172 		struct dm_buffer *b;  in dm_bufio_prefetch()
1204 void dm_bufio_release(struct dm_buffer *b)  in dm_bufio_release()
1234 void dm_bufio_mark_partial_buffer_dirty(struct dm_buffer *b,  in dm_bufio_mark_partial_buffer_dirty()
1261 void dm_bufio_mark_buffer_dirty(struct dm_buffer *b)  in dm_bufio_mark_buffer_dirty()
1291 	struct dm_buffer *b, *tmp;  in dm_bufio_write_dirty_buffers()
1417 void dm_bufio_release_move(struct dm_buffer *b, sector_t new_block)  in dm_bufio_release_move()
1420 	struct dm_buffer *new;  in dm_bufio_release_move()
1481 static void forget_buffer_locked(struct dm_buffer *b)  in forget_buffer_locked()
1497 	struct dm_buffer *b;  in dm_bufio_forget()
1511 	struct dm_buffer *b;  in dm_bufio_forget_buffers()
1565 sector_t dm_bufio_get_block_number(struct dm_buffer *b)  in dm_bufio_get_block_number()
1571 void *dm_bufio_get_block_data(struct dm_buffer *b)  in dm_bufio_get_block_data()
1577 void *dm_bufio_get_aux_data(struct dm_buffer *b)  in dm_bufio_get_aux_data()
1583 struct dm_bufio_client *dm_bufio_get_client(struct dm_buffer *b)  in dm_bufio_get_client()
1591 	struct dm_buffer *b;  in drop_buffers()
1639 static bool __try_evict_buffer(struct dm_buffer *b, gfp_t gfp)  in __try_evict_buffer()
1672 	struct dm_buffer *b, *tmp;  in __scan()
1739 					       void (*alloc_callback)(struct dm_buffer *),  in dm_bufio_client_create()  argument
1740 					       void (*write_callback)(struct dm_buffer *),  in dm_bufio_client_create()  argument
1812 	c->slab_buffer = kmem_cache_create(slab_name, sizeof(struct dm_buffer) + aux_size,  in dm_bufio_client_create()
1820 		struct dm_buffer *b = alloc_buffer(c, GFP_KERNEL);  in dm_bufio_client_create()
1851 		struct dm_buffer *b = list_entry(c->reserved_buffers.next,  in dm_bufio_client_create()
1852 						 struct dm_buffer, lru_list);  in dm_bufio_client_create()
1894 		struct dm_buffer *b = list_entry(c->reserved_buffers.next,  in dm_bufio_client_destroy()
1895 						 struct dm_buffer, lru_list);  in dm_bufio_client_destroy()
1933 static bool older_than(struct dm_buffer *b, unsigned long age_hz)  in older_than()
1940 	struct dm_buffer *b, *tmp;  in __evict_old_buffers()
1975 	struct dm_buffer *b;  in do_global_cleanup()
1996 		b = list_entry(global_queue.prev, struct dm_buffer, global_list);  in do_global_cleanup()