91 	void (*alloc_callback)(struct dm_buffer *);
92 	void (*write_callback)(struct dm_buffer *);
136 struct dm_buffer {  struct
156 	void (*end_io)(struct dm_buffer *, blk_status_t);  argument
242 static void buffer_record_stack(struct dm_buffer *b)  in buffer_record_stack()
251 static struct dm_buffer *__find(struct dm_bufio_client *c, sector_t block)  in __find()
254 	struct dm_buffer *b;  in __find()
257 		b = container_of(n, struct dm_buffer, node);  in __find()
268 static struct dm_buffer *__find_next(struct dm_bufio_client *c, sector_t block)  in __find_next()
271 	struct dm_buffer *b;  in __find_next()
272 	struct dm_buffer *best = NULL;  in __find_next()
275 		b = container_of(n, struct dm_buffer, node);  in __find_next()
291 static void __insert(struct dm_bufio_client *c, struct dm_buffer *b)  in __insert()
294 	struct dm_buffer *found;  in __insert()
297 		found = container_of(*new, struct dm_buffer, node);  in __insert()
313 static void __remove(struct dm_bufio_client *c, struct dm_buffer *b)  in __remove()
320 static void adjust_total_allocated(struct dm_buffer *b, bool unlink)  in adjust_total_allocated()
468 static struct dm_buffer *alloc_buffer(struct dm_bufio_client *c, gfp_t gfp_mask)  in alloc_buffer()
470 	struct dm_buffer *b = kmem_cache_alloc(c->slab_buffer, gfp_mask);  in alloc_buffer()
492 static void free_buffer(struct dm_buffer *b)  in free_buffer()
503 static void __link_buffer(struct dm_buffer *b, sector_t block, int dirty)  in __link_buffer()
520 static void __unlink_buffer(struct dm_buffer *b)  in __unlink_buffer()
536 static void __relink_lru(struct dm_buffer *b, int dirty)  in __relink_lru()
575 	struct dm_buffer *b = context;  in dmio_complete()
580 static void use_dmio(struct dm_buffer *b, int rw, sector_t sector,  in use_dmio()
612 	struct dm_buffer *b = bio->bi_private;  in bio_complete()
618 static void use_bio(struct dm_buffer *b, int rw, sector_t sector,  in use_bio()
673 static void submit_io(struct dm_buffer *b, int rw, void (*end_io)(struct dm_buffer *, blk_status_t))  in submit_io()  argument
717 static void write_endio(struct dm_buffer *b, blk_status_t status)  in write_endio()
745 static void __write_dirty_buffer(struct dm_buffer *b,  in __write_dirty_buffer()
768 		struct dm_buffer *b =  in __flush_write_list()
769 			list_entry(write_list->next, struct dm_buffer, write_list);  in __flush_write_list()
782 static void __make_buffer_clean(struct dm_buffer *b)  in __make_buffer_clean()
798 static struct dm_buffer *__get_unclaimed_buffer(struct dm_bufio_client *c)  in __get_unclaimed_buffer()
800 	struct dm_buffer *b;  in __get_unclaimed_buffer()
863 static struct dm_buffer *__alloc_buffer_wait_no_callback(struct dm_bufio_client *c, enum new_flag n…  in __alloc_buffer_wait_no_callback()
865 	struct dm_buffer *b;  in __alloc_buffer_wait_no_callback()
902 				       struct dm_buffer, lru_list);  in __alloc_buffer_wait_no_callback()
917 static struct dm_buffer *__alloc_buffer_wait(struct dm_bufio_client *c, enum new_flag nf)  in __alloc_buffer_wait()
919 	struct dm_buffer *b = __alloc_buffer_wait_no_callback(c, nf);  in __alloc_buffer_wait()
933 static void __free_buffer_wake(struct dm_buffer *b)  in __free_buffer_wake()
950 	struct dm_buffer *b, *tmp;  in __write_dirty_buffers_async()
985 static struct dm_buffer *__bufio_new(struct dm_bufio_client *c, sector_t block,  in __bufio_new()
989 	struct dm_buffer *b, *new_b = NULL;  in __bufio_new()
1055 static void read_endio(struct dm_buffer *b, blk_status_t status)  in read_endio()
1075 		      enum new_flag nf, struct dm_buffer **bp)  in new_read()
1078 	struct dm_buffer *b;  in new_read()
1114 		   struct dm_buffer **bp)  in dm_bufio_get()
1121 		    struct dm_buffer **bp)  in dm_bufio_read()
1130 		   struct dm_buffer **bp)  in dm_bufio_new()
1152 		struct dm_buffer *b;  in dm_bufio_prefetch()
1184 void dm_bufio_release(struct dm_buffer *b)  in dm_bufio_release()
1214 void dm_bufio_mark_partial_buffer_dirty(struct dm_buffer *b,  in dm_bufio_mark_partial_buffer_dirty()
1241 void dm_bufio_mark_buffer_dirty(struct dm_buffer *b)  in dm_bufio_mark_buffer_dirty()
1271 	struct dm_buffer *b, *tmp;  in dm_bufio_write_dirty_buffers()
1399 void dm_bufio_release_move(struct dm_buffer *b, sector_t new_block)  in dm_bufio_release_move()
1402 	struct dm_buffer *new;  in dm_bufio_release_move()
1463 static void forget_buffer_locked(struct dm_buffer *b)  in forget_buffer_locked()
1479 	struct dm_buffer *b;  in dm_bufio_forget()
1493 	struct dm_buffer *b;  in dm_bufio_forget_buffers()
1537 sector_t dm_bufio_get_block_number(struct dm_buffer *b)  in dm_bufio_get_block_number()
1543 void *dm_bufio_get_block_data(struct dm_buffer *b)  in dm_bufio_get_block_data()
1549 void *dm_bufio_get_aux_data(struct dm_buffer *b)  in dm_bufio_get_aux_data()
1555 struct dm_bufio_client *dm_bufio_get_client(struct dm_buffer *b)  in dm_bufio_get_client()
1563 	struct dm_buffer *b;  in drop_buffers()
1611 static bool __try_evict_buffer(struct dm_buffer *b, gfp_t gfp)  in __try_evict_buffer()
1643 	struct dm_buffer *b, *tmp;  in __scan()
1710 					       void (*alloc_callback)(struct dm_buffer *),  in dm_bufio_client_create()  argument
1711 					       void (*write_callback)(struct dm_buffer *))  in dm_bufio_client_create()  argument
1776 	c->slab_buffer = kmem_cache_create(slab_name, sizeof(struct dm_buffer) + aux_size,  in dm_bufio_client_create()
1784 		struct dm_buffer *b = alloc_buffer(c, GFP_KERNEL);  in dm_bufio_client_create()
1814 		struct dm_buffer *b = list_entry(c->reserved_buffers.next,  in dm_bufio_client_create()
1815 						 struct dm_buffer, lru_list);  in dm_bufio_client_create()
1855 		struct dm_buffer *b = list_entry(c->reserved_buffers.next,  in dm_bufio_client_destroy()
1856 						 struct dm_buffer, lru_list);  in dm_bufio_client_destroy()
1892 static bool older_than(struct dm_buffer *b, unsigned long age_hz)  in older_than()
1899 	struct dm_buffer *b, *tmp;  in __evict_old_buffers()
1934 	struct dm_buffer *b;  in do_global_cleanup()
1955 		b = list_entry(global_queue.prev, struct dm_buffer, global_list);  in do_global_cleanup()