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()
1474 	down_read(&_origins_lock);  in snapshot_dtr()
1483 	up_read(&_origins_lock);  in snapshot_dtr()
1556 				up_read(&_origins_lock);  in wait_for_in_progress()
2204 	down_read(&_origins_lock);  in snapshot_preresume()
2217 	up_read(&_origins_lock);  in snapshot_preresume()
2230 	down_read(&_origins_lock);  in snapshot_resume()
2247 	up_read(&_origins_lock);  in snapshot_resume()
2257 	down_read(&_origins_lock);  in snapshot_resume()
2268 	up_read(&_origins_lock);  in snapshot_resume()
2289 	down_read(&_origins_lock);  in get_origin_minimum_chunksize()
2291 	up_read(&_origins_lock);  in get_origin_minimum_chunksize()
2403 		down_read(&_origins_lock);  in snapshot_io_hints()
2413 		up_read(&_origins_lock);  in snapshot_io_hints()
2560 	down_read(&_origins_lock);  in do_origin()
2573 	up_read(&_origins_lock);  in do_origin()
2602 	down_read(&_origins_lock);  in origin_write_extent()
2608 	up_read(&_origins_lock);  in origin_write_extent()
2698 	down_write(&_origins_lock);  in origin_resume()
2700 	up_write(&_origins_lock);  in origin_resume()
2707 	down_write(&_origins_lock);  in origin_postsuspend()
2709 	up_write(&_origins_lock);  in origin_postsuspend()