4 (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
7 /* Hardwire the number of additional indexes */
8 #define MB_CACHE_INDEXES_COUNT 1
10 struct mb_cache_entry {
11 struct list_head e_lru_list;
12 struct mb_cache *e_cache;
13 unsigned short e_used;
14 unsigned short e_queued;
15 struct block_device *e_bdev;
17 struct list_head e_block_list;
19 struct list_head o_list;
25 int (*free)(struct mb_cache_entry *, gfp_t);
28 /* Functions on caches */
30 struct mb_cache * mb_cache_create(const char *, struct mb_cache_op *, size_t,
32 void mb_cache_shrink(struct block_device *);
33 void mb_cache_destroy(struct mb_cache *);
35 /* Functions on cache entries */
37 struct mb_cache_entry *mb_cache_entry_alloc(struct mb_cache *, gfp_t);
38 int mb_cache_entry_insert(struct mb_cache_entry *, struct block_device *,
39 sector_t, unsigned int[]);
40 void mb_cache_entry_release(struct mb_cache_entry *);
41 void mb_cache_entry_free(struct mb_cache_entry *);
42 struct mb_cache_entry *mb_cache_entry_get(struct mb_cache *,
43 struct block_device *,
45 #if !defined(MB_CACHE_INDEXES_COUNT) || (MB_CACHE_INDEXES_COUNT > 0)
46 struct mb_cache_entry *mb_cache_entry_find_first(struct mb_cache *cache, int,
47 struct block_device *,
49 struct mb_cache_entry *mb_cache_entry_find_next(struct mb_cache_entry *, int,
50 struct block_device *,