void _read_lock_irq(rwlock_t *lock)
{
ASSERT(local_irq_is_enabled());
local_irq_disable();
check_lock(&lock->debug);
_raw_read_lock(&lock->raw);
}
unsigned long _read_lock_irqsave(rwlock_t *lock)
{
unsigned long flags;
local_irq_save(flags);
check_lock(&lock->debug);
_raw_read_lock(&lock->raw);
return flags;
}
unsigned long __lockfunc _read_lock_irqsave(rwlock_t *lock)
{
unsigned long flags;
local_irq_save(flags);
preempt_disable();
_raw_read_lock(lock);
return flags;
}
void _read_lock(rwlock_t *lock)
{
check_lock(&lock->debug);
_raw_read_lock(&lock->raw);
}
void __lockfunc _read_lock_bh(rwlock_t *lock)
{
local_bh_disable();
preempt_disable();
_raw_read_lock(lock);
}
void __lockfunc _read_lock(rwlock_t *lock)
{
preempt_disable();
_raw_read_lock(lock);
}
/*
* Generic declaration of the raw read_trylock() function,
* architectures are supposed to optimize this:
*/
int __lockfunc generic_raw_read_trylock(rwlock_t *lock)
{
_raw_read_lock(lock);
return 1;
}