Lines Matching refs:readers
61 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()
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()
175 if (unlikely(atomic_dec_and_test(&rwb->readers))) in rwbase_read_unlock()
188 (void)atomic_add_return_release(READER_BIAS - bias, &rwb->readers); in __rwbase_write_unlock()
221 if (!atomic_read_acquire(&rwb->readers)) { in __rwbase_write_trylock()
222 atomic_set(&rwb->readers, WRITER_BIAS); in __rwbase_write_trylock()
240 atomic_sub(READER_BIAS, &rwb->readers); in rwbase_write_lock()
279 atomic_sub(READER_BIAS, &rwb->readers); in rwbase_write_trylock()