Lines Matching full:writer

22 	rcuwait_init(&sem->writer);  in __percpu_init_rwsem()
57 	 * If the reader misses the writer's assignment of sem->block, then the  in __percpu_down_read_trylock()
58 	 * writer is guaranteed to see the reader's increment.  in __percpu_down_read_trylock()
61 	 * the writer looks are guaranteed to see the sem->block value, which  in __percpu_down_read_trylock()
63 	 * their sem->read_count, so that it doesn't matter that the writer  in __percpu_down_read_trylock()
78 	/* Prod writer to re-evaluate readers_active_check() */  in __percpu_down_read_trylock()
79 	rcuwait_wake_up(&sem->writer);  in __percpu_down_read_trylock()
116  * Specifically, we wake readers until we've woken a single writer, or until a
138 	return !reader; /* wake (readers until) 1 writer */  in percpu_rwsem_wake_function()
234 	 * Try set sem->block; this provides writer-writer exclusion.  in percpu_down_write()
249 	rcuwait_wait_event(&sem->writer, readers_active_check(sem), TASK_UNINTERRUPTIBLE);  in percpu_down_write()
259 	 * Signal the writer is done, no fast path yet.  in percpu_up_write()
262 	 * that new readers might fail to see the results of this writer's  in percpu_up_write()
271 	 * Prod any pending reader/writer to make progress.  in percpu_up_write()