exofs: Fix "add bdi backing to mount session" fall out

[safe/jmp/linux-2.6] / net / tipc / ref.h

diff --git a/net/tipc/ref.h b/net/tipc/ref.h
index 12dd827..7e3798e 100644 (file)
--- a/net/tipc/ref.h
+++ b/net/tipc/ref.h
@@ -1,8 +1,8 @@
 /*
  * net/tipc/ref.h: Include file for TIPC object registry code
- * 
- * Copyright (c) 2003-2006, Ericsson AB
- * Copyright (c) 2005, Wind River Systems
+ *
+ * Copyright (c) 1991-2006, Ericsson AB
+ * Copyright (c) 2005-2006, Wind River Systems
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,95 +37,14 @@
 #ifndef _TIPC_REF_H
 #define _TIPC_REF_H
 
-/**
- * struct reference - TIPC object reference entry
- * @object: pointer to object associated with reference entry
- * @lock: spinlock controlling access to object
- * @data: reference value associated with object (or link to next unused entry)
- */
- 
-struct reference {
-       void *object;
-       spinlock_t lock;
-       union {
-               u32 next_plus_upper;
-               u32 reference;
-       } data;
-};
-
-/**
- * struct ref_table - table of TIPC object reference entries
- * @entries: pointer to array of reference entries
- * @index_mask: bitmask for array index portion of reference values
- * @first_free: array index of first unused object reference entry
- * @last_free: array index of last unused object reference entry
- */
-
-struct ref_table {
-       struct reference *entries;
-       u32 index_mask;
-       u32 first_free;
-       u32 last_free;
-};
-
-extern struct ref_table ref_table;
-
-int ref_table_init(u32 requested_size, u32 start);
-void ref_table_stop(void);
-
-u32 ref_acquire(void *object, spinlock_t **lock);
-void ref_discard(u32 ref);
-
-
-/**
- * ref_lock - lock referenced object and return pointer to it
- */
-
-static inline void *ref_lock(u32 ref)
-{
-       if (likely(ref_table.entries)) {
-               struct reference *r =
-                       &ref_table.entries[ref & ref_table.index_mask];
-
-               spin_lock_bh(&r->lock);
-               if (likely(r->data.reference == ref))
-                       return r->object;
-               spin_unlock_bh(&r->lock);
-       }
-       return 0;
-}
-
-/**
- * ref_unlock - unlock referenced object 
- */
-
-static inline void ref_unlock(u32 ref)
-{
-       if (likely(ref_table.entries)) {
-               struct reference *r =
-                       &ref_table.entries[ref & ref_table.index_mask];
-
-               if (likely(r->data.reference == ref))
-                       spin_unlock_bh(&r->lock);
-               else
-                       err("ref_unlock() invoked using obsolete reference\n");
-       }
-}
-
-/**
- * ref_deref - return pointer referenced object (without locking it)
- */
+int tipc_ref_table_init(u32 requested_size, u32 start);
+void tipc_ref_table_stop(void);
 
-static inline void *ref_deref(u32 ref)
-{
-       if (likely(ref_table.entries)) {
-               struct reference *r = 
-                       &ref_table.entries[ref & ref_table.index_mask];
+u32 tipc_ref_acquire(void *object, spinlock_t **lock);
+void tipc_ref_discard(u32 ref);
 
-               if (likely(r->data.reference == ref))
-                       return r->object;
-       }
-       return 0;
-}
+void *tipc_ref_lock(u32 ref);
+void tipc_ref_unlock(u32 ref);
+void *tipc_ref_deref(u32 ref);
 
 #endif