diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mbcache.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/mbcache.h b/include/linux/mbcache.h index 607e6968542e..86c9a8b480c5 100644 --- a/include/linux/mbcache.h +++ b/include/linux/mbcache.h @@ -18,6 +18,7 @@ struct mb_cache_entry { /* Key in hash - stable during lifetime of the entry */ u32 e_key; u32 e_referenced:1; + u32 e_reusable:1; /* Block number of hashed block - stable during lifetime of the entry */ sector_t e_block; }; @@ -26,7 +27,7 @@ struct mb_cache *mb_cache_create(int bucket_bits); void mb_cache_destroy(struct mb_cache *cache); int mb_cache_entry_create(struct mb_cache *cache, gfp_t mask, u32 key, - sector_t block); + sector_t block, bool reusable); void __mb_cache_entry_free(struct mb_cache_entry *entry); static inline int mb_cache_entry_put(struct mb_cache *cache, struct mb_cache_entry *entry) @@ -39,6 +40,8 @@ static inline int mb_cache_entry_put(struct mb_cache *cache, void mb_cache_entry_delete_block(struct mb_cache *cache, u32 key, sector_t block); +struct mb_cache_entry *mb_cache_entry_get(struct mb_cache *cache, u32 key, + sector_t block); struct mb_cache_entry *mb_cache_entry_find_first(struct mb_cache *cache, u32 key); struct mb_cache_entry *mb_cache_entry_find_next(struct mb_cache *cache, |