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-rw-r--r--include/linux/mbcache.h20
1 files changed, 5 insertions, 15 deletions
diff --git a/include/linux/mbcache.h b/include/linux/mbcache.h
index a09b84e4fdb4..54cbbac1e71d 100644
--- a/include/linux/mbcache.h
+++ b/include/linux/mbcache.h
@@ -4,9 +4,6 @@
4 (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org> 4 (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
5*/ 5*/
6 6
7/* Hardwire the number of additional indexes */
8#define MB_CACHE_INDEXES_COUNT 1
9
10struct mb_cache_entry { 7struct mb_cache_entry {
11 struct list_head e_lru_list; 8 struct list_head e_lru_list;
12 struct mb_cache *e_cache; 9 struct mb_cache *e_cache;
@@ -18,17 +15,12 @@ struct mb_cache_entry {
18 struct { 15 struct {
19 struct list_head o_list; 16 struct list_head o_list;
20 unsigned int o_key; 17 unsigned int o_key;
21 } e_indexes[0]; 18 } e_index;
22};
23
24struct mb_cache_op {
25 int (*free)(struct mb_cache_entry *, gfp_t);
26}; 19};
27 20
28/* Functions on caches */ 21/* Functions on caches */
29 22
30struct mb_cache * mb_cache_create(const char *, struct mb_cache_op *, size_t, 23struct mb_cache *mb_cache_create(const char *, int);
31 int, int);
32void mb_cache_shrink(struct block_device *); 24void mb_cache_shrink(struct block_device *);
33void mb_cache_destroy(struct mb_cache *); 25void mb_cache_destroy(struct mb_cache *);
34 26
@@ -36,17 +28,15 @@ void mb_cache_destroy(struct mb_cache *);
36 28
37struct mb_cache_entry *mb_cache_entry_alloc(struct mb_cache *, gfp_t); 29struct mb_cache_entry *mb_cache_entry_alloc(struct mb_cache *, gfp_t);
38int mb_cache_entry_insert(struct mb_cache_entry *, struct block_device *, 30int mb_cache_entry_insert(struct mb_cache_entry *, struct block_device *,
39 sector_t, unsigned int[]); 31 sector_t, unsigned int);
40void mb_cache_entry_release(struct mb_cache_entry *); 32void mb_cache_entry_release(struct mb_cache_entry *);
41void mb_cache_entry_free(struct mb_cache_entry *); 33void mb_cache_entry_free(struct mb_cache_entry *);
42struct mb_cache_entry *mb_cache_entry_get(struct mb_cache *, 34struct mb_cache_entry *mb_cache_entry_get(struct mb_cache *,
43 struct block_device *, 35 struct block_device *,
44 sector_t); 36 sector_t);
45#if !defined(MB_CACHE_INDEXES_COUNT) || (MB_CACHE_INDEXES_COUNT > 0) 37struct mb_cache_entry *mb_cache_entry_find_first(struct mb_cache *cache,
46struct mb_cache_entry *mb_cache_entry_find_first(struct mb_cache *cache, int,
47 struct block_device *, 38 struct block_device *,
48 unsigned int); 39 unsigned int);
49struct mb_cache_entry *mb_cache_entry_find_next(struct mb_cache_entry *, int, 40struct mb_cache_entry *mb_cache_entry_find_next(struct mb_cache_entry *,
50 struct block_device *, 41 struct block_device *,
51 unsigned int); 42 unsigned int);
52#endif