Searched refs:rwb (Results 1 – 1 of 1) sorted by relevance
53 static __always_inline int rwbase_read_trylock(struct rwbase_rt *rwb) in rwbase_read_trylock() argument61 for (r = atomic_read(&rwb->readers); r < 0;) { in rwbase_read_trylock()63 if (likely(atomic_try_cmpxchg(&rwb->readers, &r, r + 1))) in rwbase_read_trylock()69 static int __sched __rwbase_read_lock(struct rwbase_rt *rwb, in __rwbase_read_lock() argument72 struct rt_mutex_base *rtm = &rwb->rtmutex; in __rwbase_read_lock()80 if (atomic_read(&rwb->readers) != WRITER_BIAS) { in __rwbase_read_lock()81 atomic_inc(&rwb->readers); in __rwbase_read_lock()130 atomic_inc(&rwb->readers); in __rwbase_read_lock()137 static __always_inline int rwbase_read_lock(struct rwbase_rt *rwb, in rwbase_read_lock() argument140 if (rwbase_read_trylock(rwb)) in rwbase_read_lock()[all …]