git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | File: linux/mbcache.h | |
| 3 | ||
| 4 | (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org> | |
| 5 | */ | |
| 6 | ||
| 1da177e4 LT |
7 | struct mb_cache_entry { |
| 8 | struct list_head e_lru_list; | |
| 9 | struct mb_cache *e_cache; | |
| 10 | unsigned short e_used; | |
| 11 | unsigned short e_queued; | |
| 12 | struct block_device *e_bdev; | |
| 13 | sector_t e_block; | |
| 14 | struct list_head e_block_list; | |
| 15 | struct { | |
| 16 | struct list_head o_list; | |
| 17 | unsigned int o_key; | |
| 2aec7c52 | 18 | } e_index; |
| 1da177e4 LT |
19 | }; |
| 20 | ||
| 21 | /* Functions on caches */ | |
| 22 | ||
| 2aec7c52 | 23 | struct mb_cache *mb_cache_create(const char *, int); |
| 8c52ab42 | 24 | void mb_cache_shrink(struct block_device *); |
| 1da177e4 LT |
25 | void mb_cache_destroy(struct mb_cache *); |
| 26 | ||
| 27 | /* Functions on cache entries */ | |
| 28 | ||
| 335e92e8 | 29 | struct mb_cache_entry *mb_cache_entry_alloc(struct mb_cache *, gfp_t); |
| 1da177e4 | 30 | int mb_cache_entry_insert(struct mb_cache_entry *, struct block_device *, |
| 2aec7c52 | 31 | sector_t, unsigned int); |
| 1da177e4 LT |
32 | void mb_cache_entry_release(struct mb_cache_entry *); |
| 33 | void mb_cache_entry_free(struct mb_cache_entry *); | |
| 34 | struct mb_cache_entry *mb_cache_entry_get(struct mb_cache *, | |
| 35 | struct block_device *, | |
| 36 | sector_t); | |
| 2aec7c52 | 37 | struct mb_cache_entry *mb_cache_entry_find_first(struct mb_cache *cache, |
| 1da177e4 LT |
38 | struct block_device *, |
| 39 | unsigned int); | |
| 2aec7c52 | 40 | struct mb_cache_entry *mb_cache_entry_find_next(struct mb_cache_entry *, |
| 1da177e4 LT |
41 | struct block_device *, |
| 42 | unsigned int); |