64 #define BH_ENTRY(list) list_entry((list), struct buffer_head, b_inode_buffers)
71 static struct buffer_head **hash_table;
74 static struct buffer_head *lru_list[NR_LIST];
82 static struct buffer_head * unused_list;
89 static void __refile_buffer(struct buffer_head *);
133 static inline int write_buffer_delay(struct buffer_head *bh)  in write_buffer_delay()
147 static inline void write_buffer(struct buffer_head *bh)  in write_buffer()
163 void fastcall unlock_buffer(struct buffer_head *bh)  in unlock_buffer()
185 void __wait_on_buffer(struct buffer_head * bh)  in __wait_on_buffer()
221 void end_buffer_io_sync(struct buffer_head *bh, int uptodate)  in end_buffer_io_sync()
232 static void write_locked_buffers(struct buffer_head **array, unsigned int count)  in write_locked_buffers()
235 		struct buffer_head * bh = *array++;  in write_locked_buffers()
250 	struct buffer_head *next;  in write_some_buffers()
251 	struct buffer_head *array[NRSYNC];  in write_some_buffers()
259 		struct buffer_head * bh = next;  in write_some_buffers()
311 	struct buffer_head * next;  in wait_for_buffers()
317 		struct buffer_head *bh = next;  in wait_for_buffers()
548 static inline void __insert_into_hash_list(struct buffer_head *bh)  in __insert_into_hash_list()
550 	struct buffer_head **head = &hash(bh->b_dev, bh->b_blocknr);  in __insert_into_hash_list()
551 	struct buffer_head *next = *head;  in __insert_into_hash_list()
560 static __inline__ void __hash_unlink(struct buffer_head *bh)  in __hash_unlink()
562 	struct buffer_head **pprev = bh->b_pprev;  in __hash_unlink()
564 		struct buffer_head *next = bh->b_next;  in __hash_unlink()
572 static void __insert_into_lru_list(struct buffer_head * bh, int blist)  in __insert_into_lru_list()
574 	struct buffer_head **bhp = &lru_list[blist];  in __insert_into_lru_list()
590 static void __remove_from_lru_list(struct buffer_head * bh)  in __remove_from_lru_list()
592 	struct buffer_head *next = bh->b_next_free;  in __remove_from_lru_list()
594 		struct buffer_head *prev = bh->b_prev_free;  in __remove_from_lru_list()
613 static void __remove_from_queues(struct buffer_head *bh)  in __remove_from_queues()
619 static void remove_from_queues(struct buffer_head *bh)  in remove_from_queues()
628 struct buffer_head * get_hash_table(kdev_t dev, int block, int size)  in get_hash_table()
630 	struct buffer_head *bh, **p = &hash(dev, block);  in get_hash_table()
653 void fastcall buffer_insert_list(struct buffer_head *bh, struct list_head *list)  in buffer_insert_list()
667 static void __remove_inode_queue(struct buffer_head *bh)  in __remove_inode_queue()
673 static inline void remove_inode_queue(struct buffer_head *bh)  in remove_inode_queue()
725 	struct buffer_head * bh, * bh_next;  in invalidate_bdev()
798 void init_buffer(struct buffer_head *bh, bh_end_io_t *handler, void *private)  in init_buffer()
805 void end_buffer_io_async(struct buffer_head * bh, int uptodate)  in end_buffer_io_async()
809 	struct buffer_head *tmp;  in end_buffer_io_async()
865 inline void set_buffer_async_io(struct buffer_head *bh)  in set_buffer_async_io()
892 	struct buffer_head *bh;  in fsync_buffers_list()
960 	struct buffer_head *bh;  in osync_buffers_list()
1013 struct buffer_head * getblk(kdev_t dev, int block, int size)  in getblk()
1016 		struct buffer_head * bh;  in getblk()
1096 inline void fastcall __mark_dirty(struct buffer_head *bh)  in __mark_dirty()
1104 void fastcall __mark_buffer_dirty(struct buffer_head *bh)  in __mark_buffer_dirty()
1110 void fastcall mark_buffer_dirty(struct buffer_head *bh)  in mark_buffer_dirty()
1120 void set_buffer_flushtime(struct buffer_head *bh)  in set_buffer_flushtime()
1136 static void __refile_buffer(struct buffer_head *bh)  in __refile_buffer()
1152 void refile_buffer(struct buffer_head *bh)  in refile_buffer()
1162 void __brelse(struct buffer_head * buf)  in __brelse()
1175 void __bforget(struct buffer_head * buf)  in __bforget()
1189 struct buffer_head * bread(kdev_t dev, int block, int size)  in bread()
1191 	struct buffer_head * bh;  in bread()
1208 static void __put_unused_buffer_head(struct buffer_head * bh)  in __put_unused_buffer_head()
1225 void put_unused_buffer_head(struct buffer_head *bh)  in put_unused_buffer_head()
1238 struct buffer_head * get_unused_buffer_head(int async)  in get_unused_buffer_head()
1240 	struct buffer_head * bh;  in get_unused_buffer_head()
1282 void set_bh_page (struct buffer_head *bh, struct page *page, unsigned long offset)  in set_bh_page()
1305 static struct buffer_head * create_buffers(struct page * page, unsigned long size, int async)  in create_buffers()
1307 	struct buffer_head *bh, *head;  in create_buffers()
1375 static void discard_buffer(struct buffer_head * bh)  in discard_buffer()
1424 	struct buffer_head *head, *bh, *next;  in discard_bh_page()
1467 	struct buffer_head *bh, *head, *tail;  in create_empty_buffers()
1500 static void unmap_underlying_metadata(struct buffer_head * bh)  in unmap_underlying_metadata()
1502 	struct buffer_head *old_bh;  in unmap_underlying_metadata()
1533 	struct buffer_head *bh, *head;  in __block_write_full_page()
1580 		struct buffer_head *next = bh->b_this_page;  in __block_write_full_page()
1611 		struct buffer_head *next = bh->b_this_page;  in __block_write_full_page()
1632 	struct buffer_head *bh, *head, *wait[2], **wait_bh=wait;  in __block_prepare_write()
1736 	struct buffer_head *bh, *head;  in __block_commit_write()
1781 	struct buffer_head *bh, *head, *arr[MAX_BUF_PER_PAGE];  in block_read_full_page()
1837 		struct buffer_head * bh = arr[i];  in block_read_full_page()
1844 		struct buffer_head * bh = arr[i];  in block_read_full_page()
2029 	struct buffer_head *bh;  in block_truncate_page()
2143 	struct buffer_head *bh, *head = page->buffers;  in writeout_one_page()
2166 	struct buffer_head *bh, *head = page->buffers;  in waitfor_one_page()
2180 	struct buffer_head tmp;  in generic_block_bmap()
2199 		struct buffer_head bh;  in generic_direct_IO()
2261 static void end_buffer_io_kiobuf(struct buffer_head *bh, int uptodate)  in end_buffer_io_kiobuf()
2277 static int wait_kio(int rw, int nr, struct buffer_head *bh[], int size)  in wait_kio()
2281 	struct buffer_head *tmp;  in wait_kio()
2330 	struct buffer_head *tmp, **bhs = NULL;  in brw_kiovec()
2454 	struct buffer_head *head, *bh;  in brw_page()
2474 		struct buffer_head *next = bh->b_this_page;  in brw_page()
2518 static inline void link_dev_buffers(struct page * page, struct buffer_head *head)  in link_dev_buffers()
2520 	struct buffer_head *bh, *tail;  in link_dev_buffers()
2538 	struct buffer_head *bh;  in grow_dev_page()
2569 	struct buffer_head *head = page->buffers;  in hash_page_buffers()
2570 	struct buffer_head *bh = head;  in hash_page_buffers()
2677 static int sync_page_buffers(struct buffer_head *head)  in sync_page_buffers()
2679 	struct buffer_head * bh = head;  in sync_page_buffers()
2737 	struct buffer_head * tmp, * bh = page->buffers;  in try_to_free_buffers()
2756 		struct buffer_head * p = tmp;  in try_to_free_buffers()
2802 	struct buffer_head * bh;  in show_buffers()
2866 	mempages *= sizeof(struct buffer_head *);  in buffer_init()
2877 		nr_hash = (PAGE_SIZE << order) / sizeof(struct buffer_head *);  in buffer_init()
2885 		hash_table = (struct buffer_head **)  in buffer_init()
2941 		struct buffer_head *bh;  in sync_old_buffers()