342 static struct rw_semaphore _origins_lock;  variable
372 	init_rwsem(&_origins_lock);  in init_origin_hash()
561 	down_write(&_origins_lock);  in register_snapshot()
586 	up_write(&_origins_lock);  in register_snapshot()
598 	down_write(&_origins_lock);  in reregister_snapshot()
603 	up_write(&_origins_lock);  in reregister_snapshot()
610 	down_write(&_origins_lock);  in unregister_snapshot()
619 	up_write(&_origins_lock);  in unregister_snapshot()
1476 	down_read(&_origins_lock);  in snapshot_dtr()
1485 	up_read(&_origins_lock);  in snapshot_dtr()
1558 				up_read(&_origins_lock);  in wait_for_in_progress()
2206 	down_read(&_origins_lock);  in snapshot_preresume()
2219 	up_read(&_origins_lock);  in snapshot_preresume()
2232 	down_read(&_origins_lock);  in snapshot_resume()
2249 	up_read(&_origins_lock);  in snapshot_resume()
2259 	down_read(&_origins_lock);  in snapshot_resume()
2270 	up_read(&_origins_lock);  in snapshot_resume()
2291 	down_read(&_origins_lock);  in get_origin_minimum_chunksize()
2293 	up_read(&_origins_lock);  in get_origin_minimum_chunksize()
2405 		down_read(&_origins_lock);  in snapshot_io_hints()
2415 		up_read(&_origins_lock);  in snapshot_io_hints()
2562 	down_read(&_origins_lock);  in do_origin()
2575 	up_read(&_origins_lock);  in do_origin()
2604 	down_read(&_origins_lock);  in origin_write_extent()
2610 	up_read(&_origins_lock);  in origin_write_extent()
2700 	down_write(&_origins_lock);  in origin_resume()
2702 	up_write(&_origins_lock);  in origin_resume()
2709 	down_write(&_origins_lock);  in origin_postsuspend()
2711 	up_write(&_origins_lock);  in origin_postsuspend()