344 static struct rw_semaphore _origins_lock;  variable
374 	init_rwsem(&_origins_lock);  in init_origin_hash()
563 	down_write(&_origins_lock);  in register_snapshot()
588 	up_write(&_origins_lock);  in register_snapshot()
600 	down_write(&_origins_lock);  in reregister_snapshot()
605 	up_write(&_origins_lock);  in reregister_snapshot()
612 	down_write(&_origins_lock);  in unregister_snapshot()
621 	up_write(&_origins_lock);  in unregister_snapshot()
1494 	down_read(&_origins_lock);  in snapshot_dtr()
1503 	up_read(&_origins_lock);  in snapshot_dtr()
1577 				up_read(&_origins_lock);  in wait_for_in_progress()
2225 	down_read(&_origins_lock);  in snapshot_preresume()
2240 	up_read(&_origins_lock);  in snapshot_preresume()
2253 	down_read(&_origins_lock);  in snapshot_resume()
2270 	up_read(&_origins_lock);  in snapshot_resume()
2280 	down_read(&_origins_lock);  in snapshot_resume()
2291 	up_read(&_origins_lock);  in snapshot_resume()
2312 	down_read(&_origins_lock);  in get_origin_minimum_chunksize()
2314 	up_read(&_origins_lock);  in get_origin_minimum_chunksize()
2417 		down_read(&_origins_lock);  in snapshot_io_hints()
2427 		up_read(&_origins_lock);  in snapshot_io_hints()
2573 	down_read(&_origins_lock);  in do_origin()
2585 	up_read(&_origins_lock);  in do_origin()
2614 	down_read(&_origins_lock);  in origin_write_extent()
2620 	up_read(&_origins_lock);  in origin_write_extent()
2710 	down_write(&_origins_lock);  in origin_resume()
2712 	up_write(&_origins_lock);  in origin_resume()
2719 	down_write(&_origins_lock);  in origin_postsuspend()
2721 	up_write(&_origins_lock);  in origin_postsuspend()