Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
os
linux
1/*
2 File: linux/mbcache.h
3
4 (C) 2001 by Andreas Gruenbacher, <a.gruenbacher@computer.org>
5*/
6
7struct 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;
18 } e_index;
19};
20
21/* Functions on caches */
22
23struct mb_cache *mb_cache_create(const char *, int);
24void mb_cache_shrink(struct block_device *);
25void mb_cache_destroy(struct mb_cache *);
26
27/* Functions on cache entries */
28
29struct mb_cache_entry *mb_cache_entry_alloc(struct mb_cache *, gfp_t);
30int mb_cache_entry_insert(struct mb_cache_entry *, struct block_device *,
31 sector_t, unsigned int);
32void mb_cache_entry_release(struct mb_cache_entry *);
33void mb_cache_entry_free(struct mb_cache_entry *);
34struct mb_cache_entry *mb_cache_entry_get(struct mb_cache *,
35 struct block_device *,
36 sector_t);
37struct mb_cache_entry *mb_cache_entry_find_first(struct mb_cache *cache,
38 struct block_device *,
39 unsigned int);
40struct mb_cache_entry *mb_cache_entry_find_next(struct mb_cache_entry *,
41 struct block_device *,
42 unsigned int);