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-rw-r--r--include/linux/mbcache2.h53
1 files changed, 0 insertions, 53 deletions
diff --git a/include/linux/mbcache2.h b/include/linux/mbcache2.h
deleted file mode 100644
index c934843a6a31..000000000000
--- a/include/linux/mbcache2.h
+++ /dev/null
@@ -1,53 +0,0 @@
-#ifndef _LINUX_MB2CACHE_H
-#define _LINUX_MB2CACHE_H
-
-#include <linux/hash.h>
-#include <linux/list_bl.h>
-#include <linux/list.h>
-#include <linux/atomic.h>
-#include <linux/fs.h>
-
-struct mb2_cache;
-
-struct mb2_cache_entry {
- /* List of entries in cache - protected by cache->c_list_lock */
- struct list_head e_list;
- /* Hash table list - protected by bitlock in e_hash_list_head */
- struct hlist_bl_node e_hash_list;
- atomic_t e_refcnt;
- /* Key in hash - stable during lifetime of the entry */
- u32 e_key;
- /* Block number of hashed block - stable during lifetime of the entry */
- sector_t e_block;
- /*
- * Head of hash list (for list bit lock) - stable. Combined with
- * referenced bit of entry
- */
- unsigned long _e_hash_list_head;
-};
-
-struct mb2_cache *mb2_cache_create(int bucket_bits);
-void mb2_cache_destroy(struct mb2_cache *cache);
-
-int mb2_cache_entry_create(struct mb2_cache *cache, gfp_t mask, u32 key,
- sector_t block);
-void __mb2_cache_entry_free(struct mb2_cache_entry *entry);
-static inline int mb2_cache_entry_put(struct mb2_cache *cache,
- struct mb2_cache_entry *entry)
-{
- if (!atomic_dec_and_test(&entry->e_refcnt))
- return 0;
- __mb2_cache_entry_free(entry);
- return 1;
-}
-
-void mb2_cache_entry_delete_block(struct mb2_cache *cache, u32 key,
- sector_t block);
-struct mb2_cache_entry *mb2_cache_entry_find_first(struct mb2_cache *cache,
- u32 key);
-struct mb2_cache_entry *mb2_cache_entry_find_next(struct mb2_cache *cache,
- struct mb2_cache_entry *entry);
-void mb2_cache_entry_touch(struct mb2_cache *cache,
- struct mb2_cache_entry *entry);
-
-#endif /* _LINUX_MB2CACHE_H */