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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-18 18:02:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-18 18:02:35 -0700
commit334d094504c2fe1c44211ecb49146ae6bca8c321 (patch)
treed3c0f68e4b9f8e3d2ccc39e7dfe5de0534a5fad9 /net/tipc/ref.h
parentd1a4be630fb068f251d64b62919f143c49ca8057 (diff)
parentd1643d24c61b725bef399cc1cf2944b4c9c23177 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26: (1090 commits) [NET]: Fix and allocate less memory for ->priv'less netdevices [IPV6]: Fix dangling references on error in fib6_add(). [NETLABEL]: Fix NULL deref in netlbl_unlabel_staticlist_gen() if ifindex not found [PKT_SCHED]: Fix datalen check in tcf_simp_init(). [INET]: Uninline the __inet_inherit_port call. [INET]: Drop the inet_inherit_port() call. SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked. [netdrvr] forcedeth: internal simplifications; changelog removal phylib: factor out get_phy_id from within get_phy_device PHY: add BCM5464 support to broadcom PHY driver cxgb3: Fix __must_check warning with dev_dbg. tc35815: Statistics cleanup natsemi: fix MMIO for PPC 44x platforms [TIPC]: Cleanup of TIPC reference table code [TIPC]: Optimized initialization of TIPC reference table [TIPC]: Remove inlining of reference table locking routines e1000: convert uint16_t style integers to u16 ixgb: convert uint16_t style integers to u16 sb1000.c: make const arrays static sb1000.c: stop inlining largish static functions ...
Diffstat (limited to 'net/tipc/ref.h')
-rw-r--r--net/tipc/ref.h89
1 files changed, 4 insertions, 85 deletions
diff --git a/net/tipc/ref.h b/net/tipc/ref.h
index 38f3a7f4a78..7e3798ea93b 100644
--- a/net/tipc/ref.h
+++ b/net/tipc/ref.h
@@ -2,7 +2,7 @@
* net/tipc/ref.h: Include file for TIPC object registry code
*
* Copyright (c) 1991-2006, Ericsson AB
- * Copyright (c) 2005, Wind River Systems
+ * 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 tipc_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 tipc_ref_table;
-
int tipc_ref_table_init(u32 requested_size, u32 start);
void tipc_ref_table_stop(void);
u32 tipc_ref_acquire(void *object, spinlock_t **lock);
void tipc_ref_discard(u32 ref);
-
-/**
- * tipc_ref_lock - lock referenced object and return pointer to it
- */
-
-static inline void *tipc_ref_lock(u32 ref)
-{
- if (likely(tipc_ref_table.entries)) {
- struct reference *r =
- &tipc_ref_table.entries[ref & tipc_ref_table.index_mask];
-
- spin_lock_bh(&r->lock);
- if (likely(r->data.reference == ref))
- return r->object;
- spin_unlock_bh(&r->lock);
- }
- return NULL;
-}
-
-/**
- * tipc_ref_unlock - unlock referenced object
- */
-
-static inline void tipc_ref_unlock(u32 ref)
-{
- if (likely(tipc_ref_table.entries)) {
- struct reference *r =
- &tipc_ref_table.entries[ref & tipc_ref_table.index_mask];
-
- if (likely(r->data.reference == ref))
- spin_unlock_bh(&r->lock);
- else
- err("tipc_ref_unlock() invoked using obsolete reference\n");
- }
-}
-
-/**
- * tipc_ref_deref - return pointer referenced object (without locking it)
- */
-
-static inline void *tipc_ref_deref(u32 ref)
-{
- if (likely(tipc_ref_table.entries)) {
- struct reference *r =
- &tipc_ref_table.entries[ref & tipc_ref_table.index_mask];
-
- if (likely(r->data.reference == ref))
- return r->object;
- }
- return NULL;
-}
+void *tipc_ref_lock(u32 ref);
+void tipc_ref_unlock(u32 ref);
+void *tipc_ref_deref(u32 ref);
#endif