90 	void (*alloc_callback)(struct dm_buffer *);
91 	void (*write_callback)(struct dm_buffer *);
132 struct dm_buffer {  struct
150 	void (*end_io)(struct dm_buffer *, blk_status_t);  argument
233 static void buffer_record_stack(struct dm_buffer *b)  in buffer_record_stack()
246 static struct dm_buffer *__find(struct dm_bufio_client *c, sector_t block)  in __find()
249 	struct dm_buffer *b;  in __find()
252 		b = container_of(n, struct dm_buffer, node);  in __find()
263 static void __insert(struct dm_bufio_client *c, struct dm_buffer *b)  in __insert()
266 	struct dm_buffer *found;  in __insert()
269 		found = container_of(*new, struct dm_buffer, node);  in __insert()
285 static void __remove(struct dm_bufio_client *c, struct dm_buffer *b)  in __remove()
423 static struct dm_buffer *alloc_buffer(struct dm_bufio_client *c, gfp_t gfp_mask)  in alloc_buffer()
425 	struct dm_buffer *b = kmem_cache_alloc(c->slab_buffer, gfp_mask);  in alloc_buffer()
449 static void free_buffer(struct dm_buffer *b)  in free_buffer()
462 static void __link_buffer(struct dm_buffer *b, sector_t block, int dirty)  in __link_buffer()
477 static void __unlink_buffer(struct dm_buffer *b)  in __unlink_buffer()
491 static void __relink_lru(struct dm_buffer *b, int dirty)  in __relink_lru()
528 	struct dm_buffer *b = context;  in dmio_complete()
533 static void use_dmio(struct dm_buffer *b, int rw, sector_t sector,  in use_dmio()
565 	struct dm_buffer *b = bio->bi_private;  in bio_complete()
571 static void use_bio(struct dm_buffer *b, int rw, sector_t sector,  in use_bio()
613 static void submit_io(struct dm_buffer *b, int rw, void (*end_io)(struct dm_buffer *, blk_status_t))  in submit_io()  argument
661 static void write_endio(struct dm_buffer *b, blk_status_t status)  in write_endio()
689 static void __write_dirty_buffer(struct dm_buffer *b,  in __write_dirty_buffer()
712 		struct dm_buffer *b =  in __flush_write_list()
713 			list_entry(write_list->next, struct dm_buffer, write_list);  in __flush_write_list()
726 static void __make_buffer_clean(struct dm_buffer *b)  in __make_buffer_clean()
742 static struct dm_buffer *__get_unclaimed_buffer(struct dm_bufio_client *c)  in __get_unclaimed_buffer()
744 	struct dm_buffer *b;  in __get_unclaimed_buffer()
807 static struct dm_buffer *__alloc_buffer_wait_no_callback(struct dm_bufio_client *c, enum new_flag n…  in __alloc_buffer_wait_no_callback()
809 	struct dm_buffer *b;  in __alloc_buffer_wait_no_callback()
846 				       struct dm_buffer, lru_list);  in __alloc_buffer_wait_no_callback()
861 static struct dm_buffer *__alloc_buffer_wait(struct dm_bufio_client *c, enum new_flag nf)  in __alloc_buffer_wait()
863 	struct dm_buffer *b = __alloc_buffer_wait_no_callback(c, nf);  in __alloc_buffer_wait()
877 static void __free_buffer_wake(struct dm_buffer *b)  in __free_buffer_wake()
894 	struct dm_buffer *b, *tmp;  in __write_dirty_buffers_async()
958 		struct dm_buffer *b = __get_unclaimed_buffer(c);  in __check_watermark()
975 static struct dm_buffer *__bufio_new(struct dm_bufio_client *c, sector_t block,  in __bufio_new()
979 	struct dm_buffer *b, *new_b = NULL;  in __bufio_new()
1045 static void read_endio(struct dm_buffer *b, blk_status_t status)  in read_endio()
1065 		      enum new_flag nf, struct dm_buffer **bp)  in new_read()
1068 	struct dm_buffer *b;  in new_read()
1104 		   struct dm_buffer **bp)  in dm_bufio_get()
1111 		    struct dm_buffer **bp)  in dm_bufio_read()
1120 		   struct dm_buffer **bp)  in dm_bufio_new()
1142 		struct dm_buffer *b;  in dm_bufio_prefetch()
1174 void dm_bufio_release(struct dm_buffer *b)  in dm_bufio_release()
1204 void dm_bufio_mark_partial_buffer_dirty(struct dm_buffer *b,  in dm_bufio_mark_partial_buffer_dirty()
1231 void dm_bufio_mark_buffer_dirty(struct dm_buffer *b)  in dm_bufio_mark_buffer_dirty()
1261 	struct dm_buffer *b, *tmp;  in dm_bufio_write_dirty_buffers()
1365 void dm_bufio_release_move(struct dm_buffer *b, sector_t new_block)  in dm_bufio_release_move()
1368 	struct dm_buffer *new;  in dm_bufio_release_move()
1437 	struct dm_buffer *b;  in dm_bufio_forget()
1474 sector_t dm_bufio_get_block_number(struct dm_buffer *b)  in dm_bufio_get_block_number()
1480 void *dm_bufio_get_block_data(struct dm_buffer *b)  in dm_bufio_get_block_data()
1486 void *dm_bufio_get_aux_data(struct dm_buffer *b)  in dm_bufio_get_aux_data()
1492 struct dm_bufio_client *dm_bufio_get_client(struct dm_buffer *b)  in dm_bufio_get_client()
1500 	struct dm_buffer *b;  in drop_buffers()
1547 static bool __try_evict_buffer(struct dm_buffer *b, gfp_t gfp)  in __try_evict_buffer()
1580 	struct dm_buffer *b, *tmp;  in __scan()
1631 					       void (*alloc_callback)(struct dm_buffer *),  in dm_bufio_client_create()  argument
1632 					       void (*write_callback)(struct dm_buffer *))  in dm_bufio_client_create()  argument
1697 	c->slab_buffer = kmem_cache_create(slab_name, sizeof(struct dm_buffer) + aux_size,  in dm_bufio_client_create()
1705 		struct dm_buffer *b = alloc_buffer(c, GFP_KERNEL);  in dm_bufio_client_create()
1732 		struct dm_buffer *b = list_entry(c->reserved_buffers.next,  in dm_bufio_client_create()
1733 						 struct dm_buffer, lru_list);  in dm_bufio_client_create()
1772 		struct dm_buffer *b = list_entry(c->reserved_buffers.next,  in dm_bufio_client_destroy()
1773 						 struct dm_buffer, lru_list);  in dm_bufio_client_destroy()
1809 static bool older_than(struct dm_buffer *b, unsigned long age_hz)  in older_than()
1816 	struct dm_buffer *b, *tmp;  in __evict_old_buffers()