91 	void (*alloc_callback)(struct dm_buffer *);
92 	void (*write_callback)(struct dm_buffer *);
133 struct dm_buffer {  struct
153 	void (*end_io)(struct dm_buffer *, blk_status_t);  argument
239 static void buffer_record_stack(struct dm_buffer *b)  in buffer_record_stack()
248 static struct dm_buffer *__find(struct dm_bufio_client *c, sector_t block)  in __find()
251 	struct dm_buffer *b;  in __find()
254 		b = container_of(n, struct dm_buffer, node);  in __find()
265 static void __insert(struct dm_bufio_client *c, struct dm_buffer *b)  in __insert()
268 	struct dm_buffer *found;  in __insert()
271 		found = container_of(*new, struct dm_buffer, node);  in __insert()
287 static void __remove(struct dm_bufio_client *c, struct dm_buffer *b)  in __remove()
294 static void adjust_total_allocated(struct dm_buffer *b, bool unlink)  in adjust_total_allocated()
442 static struct dm_buffer *alloc_buffer(struct dm_bufio_client *c, gfp_t gfp_mask)  in alloc_buffer()
444 	struct dm_buffer *b = kmem_cache_alloc(c->slab_buffer, gfp_mask);  in alloc_buffer()
466 static void free_buffer(struct dm_buffer *b)  in free_buffer()
477 static void __link_buffer(struct dm_buffer *b, sector_t block, int dirty)  in __link_buffer()
494 static void __unlink_buffer(struct dm_buffer *b)  in __unlink_buffer()
510 static void __relink_lru(struct dm_buffer *b, int dirty)  in __relink_lru()
549 	struct dm_buffer *b = context;  in dmio_complete()
554 static void use_dmio(struct dm_buffer *b, int rw, sector_t sector,  in use_dmio()
586 	struct dm_buffer *b = bio->bi_private;  in bio_complete()
592 static void use_bio(struct dm_buffer *b, int rw, sector_t sector,  in use_bio()
634 static void submit_io(struct dm_buffer *b, int rw, void (*end_io)(struct dm_buffer *, blk_status_t))  in submit_io()  argument
682 static void write_endio(struct dm_buffer *b, blk_status_t status)  in write_endio()
710 static void __write_dirty_buffer(struct dm_buffer *b,  in __write_dirty_buffer()
733 		struct dm_buffer *b =  in __flush_write_list()
734 			list_entry(write_list->next, struct dm_buffer, write_list);  in __flush_write_list()
747 static void __make_buffer_clean(struct dm_buffer *b)  in __make_buffer_clean()
763 static struct dm_buffer *__get_unclaimed_buffer(struct dm_bufio_client *c)  in __get_unclaimed_buffer()
765 	struct dm_buffer *b;  in __get_unclaimed_buffer()
828 static struct dm_buffer *__alloc_buffer_wait_no_callback(struct dm_bufio_client *c, enum new_flag n…  in __alloc_buffer_wait_no_callback()
830 	struct dm_buffer *b;  in __alloc_buffer_wait_no_callback()
867 				       struct dm_buffer, lru_list);  in __alloc_buffer_wait_no_callback()
882 static struct dm_buffer *__alloc_buffer_wait(struct dm_bufio_client *c, enum new_flag nf)  in __alloc_buffer_wait()
884 	struct dm_buffer *b = __alloc_buffer_wait_no_callback(c, nf);  in __alloc_buffer_wait()
898 static void __free_buffer_wake(struct dm_buffer *b)  in __free_buffer_wake()
915 	struct dm_buffer *b, *tmp;  in __write_dirty_buffers_async()
950 static struct dm_buffer *__bufio_new(struct dm_bufio_client *c, sector_t block,  in __bufio_new()
954 	struct dm_buffer *b, *new_b = NULL;  in __bufio_new()
1020 static void read_endio(struct dm_buffer *b, blk_status_t status)  in read_endio()
1040 		      enum new_flag nf, struct dm_buffer **bp)  in new_read()
1043 	struct dm_buffer *b;  in new_read()
1079 		   struct dm_buffer **bp)  in dm_bufio_get()
1086 		    struct dm_buffer **bp)  in dm_bufio_read()
1095 		   struct dm_buffer **bp)  in dm_bufio_new()
1117 		struct dm_buffer *b;  in dm_bufio_prefetch()
1149 void dm_bufio_release(struct dm_buffer *b)  in dm_bufio_release()
1179 void dm_bufio_mark_partial_buffer_dirty(struct dm_buffer *b,  in dm_bufio_mark_partial_buffer_dirty()
1206 void dm_bufio_mark_buffer_dirty(struct dm_buffer *b)  in dm_bufio_mark_buffer_dirty()
1236 	struct dm_buffer *b, *tmp;  in dm_bufio_write_dirty_buffers()
1340 void dm_bufio_release_move(struct dm_buffer *b, sector_t new_block)  in dm_bufio_release_move()
1343 	struct dm_buffer *new;  in dm_bufio_release_move()
1412 	struct dm_buffer *b;  in dm_bufio_forget()
1449 sector_t dm_bufio_get_block_number(struct dm_buffer *b)  in dm_bufio_get_block_number()
1455 void *dm_bufio_get_block_data(struct dm_buffer *b)  in dm_bufio_get_block_data()
1461 void *dm_bufio_get_aux_data(struct dm_buffer *b)  in dm_bufio_get_aux_data()
1467 struct dm_bufio_client *dm_bufio_get_client(struct dm_buffer *b)  in dm_bufio_get_client()
1475 	struct dm_buffer *b;  in drop_buffers()
1523 static bool __try_evict_buffer(struct dm_buffer *b, gfp_t gfp)  in __try_evict_buffer()
1556 	struct dm_buffer *b, *tmp;  in __scan()
1607 					       void (*alloc_callback)(struct dm_buffer *),  in dm_bufio_client_create()  argument
1608 					       void (*write_callback)(struct dm_buffer *))  in dm_bufio_client_create()  argument
1673 	c->slab_buffer = kmem_cache_create(slab_name, sizeof(struct dm_buffer) + aux_size,  in dm_bufio_client_create()
1681 		struct dm_buffer *b = alloc_buffer(c, GFP_KERNEL);  in dm_bufio_client_create()
1708 		struct dm_buffer *b = list_entry(c->reserved_buffers.next,  in dm_bufio_client_create()
1709 						 struct dm_buffer, lru_list);  in dm_bufio_client_create()
1748 		struct dm_buffer *b = list_entry(c->reserved_buffers.next,  in dm_bufio_client_destroy()
1749 						 struct dm_buffer, lru_list);  in dm_bufio_client_destroy()
1785 static bool older_than(struct dm_buffer *b, unsigned long age_hz)  in older_than()
1792 	struct dm_buffer *b, *tmp;  in __evict_old_buffers()
1827 	struct dm_buffer *b;  in do_global_cleanup()
1848 		b = list_entry(global_queue.prev, struct dm_buffer, global_list);  in do_global_cleanup()