diff --git a/include/linux/spinlock_api_smp.h b/include/linux/spinlock_api_smp.h
index d79845d..6b108f5 100644
--- a/include/linux/spinlock_api_smp.h
+++ b/include/linux/spinlock_api_smp.h
@@ -60,4 +60,267 @@
 void __lockfunc _write_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
 							__releases(lock);
 
+static inline int __spin_trylock(spinlock_t *lock)
+{
+	preempt_disable();
+	if (_raw_spin_trylock(lock)) {
+		spin_acquire(&lock->dep_map, 0, 1, _RET_IP_);
+		return 1;
+	}
+	preempt_enable();
+	return 0;
+}
+
+static inline int __read_trylock(rwlock_t *lock)
+{
+	preempt_disable();
+	if (_raw_read_trylock(lock)) {
+		rwlock_acquire_read(&lock->dep_map, 0, 1, _RET_IP_);
+		return 1;
+	}
+	preempt_enable();
+	return 0;
+}
+
+static inline int __write_trylock(rwlock_t *lock)
+{
+	preempt_disable();
+	if (_raw_write_trylock(lock)) {
+		rwlock_acquire(&lock->dep_map, 0, 1, _RET_IP_);
+		return 1;
+	}
+	preempt_enable();
+	return 0;
+}
+
+/*
+ * If lockdep is enabled then we use the non-preemption spin-ops
+ * even on CONFIG_PREEMPT, because lockdep assumes that interrupts are
+ * not re-enabled during lock-acquire (which the preempt-spin-ops do):
+ */
+#if !defined(CONFIG_GENERIC_LOCKBREAK) || defined(CONFIG_DEBUG_LOCK_ALLOC)
+
+static inline void __read_lock(rwlock_t *lock)
+{
+	preempt_disable();
+	rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
+	LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
+}
+
+static inline unsigned long __spin_lock_irqsave(spinlock_t *lock)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	preempt_disable();
+	spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+	/*
+	 * On lockdep we dont want the hand-coded irq-enable of
+	 * _raw_spin_lock_flags() code, because lockdep assumes
+	 * that interrupts are not re-enabled during lock-acquire:
+	 */
+#ifdef CONFIG_LOCKDEP
+	LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
+#else
+	_raw_spin_lock_flags(lock, &flags);
+#endif
+	return flags;
+}
+
+static inline void __spin_lock_irq(spinlock_t *lock)
+{
+	local_irq_disable();
+	preempt_disable();
+	spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+	LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
+}
+
+static inline void __spin_lock_bh(spinlock_t *lock)
+{
+	local_bh_disable();
+	preempt_disable();
+	spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+	LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
+}
+
+static inline unsigned long __read_lock_irqsave(rwlock_t *lock)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	preempt_disable();
+	rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
+	LOCK_CONTENDED_FLAGS(lock, _raw_read_trylock, _raw_read_lock,
+			     _raw_read_lock_flags, &flags);
+	return flags;
+}
+
+static inline void __read_lock_irq(rwlock_t *lock)
+{
+	local_irq_disable();
+	preempt_disable();
+	rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
+	LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
+}
+
+static inline void __read_lock_bh(rwlock_t *lock)
+{
+	local_bh_disable();
+	preempt_disable();
+	rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
+	LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
+}
+
+static inline unsigned long __write_lock_irqsave(rwlock_t *lock)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	preempt_disable();
+	rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+	LOCK_CONTENDED_FLAGS(lock, _raw_write_trylock, _raw_write_lock,
+			     _raw_write_lock_flags, &flags);
+	return flags;
+}
+
+static inline void __write_lock_irq(rwlock_t *lock)
+{
+	local_irq_disable();
+	preempt_disable();
+	rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+	LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
+}
+
+static inline void __write_lock_bh(rwlock_t *lock)
+{
+	local_bh_disable();
+	preempt_disable();
+	rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+	LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
+}
+
+static inline void __spin_lock(spinlock_t *lock)
+{
+	preempt_disable();
+	spin_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+	LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
+}
+
+static inline void __write_lock(rwlock_t *lock)
+{
+	preempt_disable();
+	rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
+	LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
+}
+
+#endif /* CONFIG_PREEMPT */
+
+static inline void __spin_unlock(spinlock_t *lock)
+{
+	spin_release(&lock->dep_map, 1, _RET_IP_);
+	_raw_spin_unlock(lock);
+	preempt_enable();
+}
+
+static inline void __write_unlock(rwlock_t *lock)
+{
+	rwlock_release(&lock->dep_map, 1, _RET_IP_);
+	_raw_write_unlock(lock);
+	preempt_enable();
+}
+
+static inline void __read_unlock(rwlock_t *lock)
+{
+	rwlock_release(&lock->dep_map, 1, _RET_IP_);
+	_raw_read_unlock(lock);
+	preempt_enable();
+}
+
+static inline void __spin_unlock_irqrestore(spinlock_t *lock,
+					    unsigned long flags)
+{
+	spin_release(&lock->dep_map, 1, _RET_IP_);
+	_raw_spin_unlock(lock);
+	local_irq_restore(flags);
+	preempt_enable();
+}
+
+static inline void __spin_unlock_irq(spinlock_t *lock)
+{
+	spin_release(&lock->dep_map, 1, _RET_IP_);
+	_raw_spin_unlock(lock);
+	local_irq_enable();
+	preempt_enable();
+}
+
+static inline void __spin_unlock_bh(spinlock_t *lock)
+{
+	spin_release(&lock->dep_map, 1, _RET_IP_);
+	_raw_spin_unlock(lock);
+	preempt_enable_no_resched();
+	local_bh_enable_ip((unsigned long)__builtin_return_address(0));
+}
+
+static inline void __read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
+{
+	rwlock_release(&lock->dep_map, 1, _RET_IP_);
+	_raw_read_unlock(lock);
+	local_irq_restore(flags);
+	preempt_enable();
+}
+
+static inline void __read_unlock_irq(rwlock_t *lock)
+{
+	rwlock_release(&lock->dep_map, 1, _RET_IP_);
+	_raw_read_unlock(lock);
+	local_irq_enable();
+	preempt_enable();
+}
+
+static inline void __read_unlock_bh(rwlock_t *lock)
+{
+	rwlock_release(&lock->dep_map, 1, _RET_IP_);
+	_raw_read_unlock(lock);
+	preempt_enable_no_resched();
+	local_bh_enable_ip((unsigned long)__builtin_return_address(0));
+}
+
+static inline void __write_unlock_irqrestore(rwlock_t *lock,
+					     unsigned long flags)
+{
+	rwlock_release(&lock->dep_map, 1, _RET_IP_);
+	_raw_write_unlock(lock);
+	local_irq_restore(flags);
+	preempt_enable();
+}
+
+static inline void __write_unlock_irq(rwlock_t *lock)
+{
+	rwlock_release(&lock->dep_map, 1, _RET_IP_);
+	_raw_write_unlock(lock);
+	local_irq_enable();
+	preempt_enable();
+}
+
+static inline void __write_unlock_bh(rwlock_t *lock)
+{
+	rwlock_release(&lock->dep_map, 1, _RET_IP_);
+	_raw_write_unlock(lock);
+	preempt_enable_no_resched();
+	local_bh_enable_ip((unsigned long)__builtin_return_address(0));
+}
+
+static inline int __spin_trylock_bh(spinlock_t *lock)
+{
+	local_bh_disable();
+	preempt_disable();
+	if (_raw_spin_trylock(lock)) {
+		spin_acquire(&lock->dep_map, 0, 1, _RET_IP_);
+		return 1;
+	}
+	preempt_enable_no_resched();
+	local_bh_enable_ip((unsigned long)__builtin_return_address(0));
+	return 0;
+}
+
 #endif /* __LINUX_SPINLOCK_API_SMP_H */