nfsd4: track recall retries in nfs4_delegation

[safe/jmp/linux-2.6] / kernel / spinlock.c

diff --git a/kernel/spinlock.c b/kernel/spinlock.c
index ae28c82..7932653 100644 (file)
--- a/kernel/spinlock.c
+++ b/kernel/spinlock.c
@@ -121,7 +121,8 @@ unsigned long __lockfunc _read_lock_irqsave(rwlock_t *lock)
        local_irq_save(flags);
        preempt_disable();
        rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock);
+       LOCK_CONTENDED_FLAGS(lock, _raw_read_trylock, _raw_read_lock,
+                            _raw_read_lock_flags, &flags);
        return flags;
 }
 EXPORT_SYMBOL(_read_lock_irqsave);
@@ -151,7 +152,8 @@ unsigned long __lockfunc _write_lock_irqsave(rwlock_t *lock)
        local_irq_save(flags);
        preempt_disable();
        rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_);
-       LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock);
+       LOCK_CONTENDED_FLAGS(lock, _raw_write_trylock, _raw_write_lock,
+                            _raw_write_lock_flags, &flags);
        return flags;
 }
 EXPORT_SYMBOL(_write_lock_irqsave);
@@ -290,8 +292,8 @@ void __lockfunc _spin_lock_nested(spinlock_t *lock, int subclass)
        spin_acquire(&lock->dep_map, subclass, 0, _RET_IP_);
        LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
 }
-
 EXPORT_SYMBOL(_spin_lock_nested);
+
 unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, int subclass)
 {
        unsigned long flags;
@@ -299,21 +301,21 @@ unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, int subclas
        local_irq_save(flags);
        preempt_disable();
        spin_acquire(&lock->dep_map, subclass, 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
+       LOCK_CONTENDED_FLAGS(lock, _raw_spin_trylock, _raw_spin_lock,
+                               _raw_spin_lock_flags, &flags);
        return flags;
 }
-
 EXPORT_SYMBOL(_spin_lock_irqsave_nested);
 
+void __lockfunc _spin_lock_nest_lock(spinlock_t *lock,
+                                    struct lockdep_map *nest_lock)
+{
+       preempt_disable();
+       spin_acquire_nest(&lock->dep_map, 0, 0, nest_lock, _RET_IP_);
+       LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock);
+}
+EXPORT_SYMBOL(_spin_lock_nest_lock);
+
 #endif
 
 void __lockfunc _spin_unlock(spinlock_t *lock)
@@ -436,7 +438,7 @@ int __lockfunc _spin_trylock_bh(spinlock_t *lock)
 }
 EXPORT_SYMBOL(_spin_trylock_bh);
 
-int in_lock_functions(unsigned long addr)
+notrace int in_lock_functions(unsigned long addr)
 {
        /* Linker adds these: start and end of __lockfunc functions */
        extern char __lock_text_start[], __lock_text_end[];