From: Christoph Hellwig <hch@lst.de>

mb_cache_entry_takeout and mb_cache_entry_dup are totally unused.

Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 25-akpm/fs/mbcache.c            |   33 ---------------------------------
 25-akpm/include/linux/mbcache.h |    2 --
 2 files changed, 35 deletions(-)

diff -puN fs/mbcache.c~remove-dead-code-from-fs-mbcachec fs/mbcache.c
--- 25/fs/mbcache.c~remove-dead-code-from-fs-mbcachec	Tue Sep  7 16:22:14 2004
+++ 25-akpm/fs/mbcache.c	Tue Sep  7 16:22:14 2004
@@ -65,9 +65,7 @@ EXPORT_SYMBOL(mb_cache_destroy);
 EXPORT_SYMBOL(mb_cache_entry_alloc);
 EXPORT_SYMBOL(mb_cache_entry_insert);
 EXPORT_SYMBOL(mb_cache_entry_release);
-EXPORT_SYMBOL(mb_cache_entry_takeout);
 EXPORT_SYMBOL(mb_cache_entry_free);
-EXPORT_SYMBOL(mb_cache_entry_dup);
 EXPORT_SYMBOL(mb_cache_entry_get);
 #if !defined(MB_CACHE_INDEXES_COUNT) || (MB_CACHE_INDEXES_COUNT > 0)
 EXPORT_SYMBOL(mb_cache_entry_find_first);
@@ -456,23 +454,6 @@ mb_cache_entry_release(struct mb_cache_e
 
 
 /*
- * mb_cache_entry_takeout()
- *
- * Take a cache entry out of the cache, making it invalid. The entry can later
- * be re-inserted using mb_cache_entry_insert(), or released using
- * mb_cache_entry_release().
- */
-void
-mb_cache_entry_takeout(struct mb_cache_entry *ce)
-{
-	spin_lock(&mb_cache_spinlock);
-	mb_assert(list_empty(&ce->e_lru_list));
-	__mb_cache_entry_unhash(ce);
-	spin_unlock(&mb_cache_spinlock);
-}
-
-
-/*
  * mb_cache_entry_free()
  *
  * This is equivalent to the sequence mb_cache_entry_takeout() --
@@ -488,20 +469,6 @@ mb_cache_entry_free(struct mb_cache_entr
 }
 
 
-/*
- * mb_cache_entry_dup()
- *
- * Duplicate a handle to a cache entry (does not duplicate the cache entry
- * itself). After the call, both the old and the new handle must be released.
- */
-struct mb_cache_entry *
-mb_cache_entry_dup(struct mb_cache_entry *ce)
-{
-	atomic_inc(&ce->e_used);
-	return ce;
-}
-
-
 /*
  * mb_cache_entry_get()
  *
diff -puN include/linux/mbcache.h~remove-dead-code-from-fs-mbcachec include/linux/mbcache.h
--- 25/include/linux/mbcache.h~remove-dead-code-from-fs-mbcachec	Tue Sep  7 16:22:14 2004
+++ 25-akpm/include/linux/mbcache.h	Tue Sep  7 16:22:14 2004
@@ -56,9 +56,7 @@ int mb_cache_entry_insert(struct mb_cach
 			  sector_t, unsigned int[]);
 void mb_cache_entry_rehash(struct mb_cache_entry *, unsigned int[]);
 void mb_cache_entry_release(struct mb_cache_entry *);
-void mb_cache_entry_takeout(struct mb_cache_entry *);
 void mb_cache_entry_free(struct mb_cache_entry *);
-struct mb_cache_entry *mb_cache_entry_dup(struct mb_cache_entry *);
 struct mb_cache_entry *mb_cache_entry_get(struct mb_cache *,
 					  struct block_device *,
 					  sector_t);
_