339 static struct rw_semaphore _origins_lock;  variable
369 	init_rwsem(&_origins_lock);  in init_origin_hash()
558 	down_write(&_origins_lock);  in register_snapshot()
583 	up_write(&_origins_lock);  in register_snapshot()
595 	down_write(&_origins_lock);  in reregister_snapshot()
600 	up_write(&_origins_lock);  in reregister_snapshot()
607 	down_write(&_origins_lock);  in unregister_snapshot()
616 	up_write(&_origins_lock);  in unregister_snapshot()
1470 	down_read(&_origins_lock);  in snapshot_dtr()
1479 	up_read(&_origins_lock);  in snapshot_dtr()
1551 				up_read(&_origins_lock);  in wait_for_in_progress()
2199 	down_read(&_origins_lock);  in snapshot_preresume()
2214 	up_read(&_origins_lock);  in snapshot_preresume()
2227 	down_read(&_origins_lock);  in snapshot_resume()
2244 	up_read(&_origins_lock);  in snapshot_resume()
2254 	down_read(&_origins_lock);  in snapshot_resume()
2265 	up_read(&_origins_lock);  in snapshot_resume()
2286 	down_read(&_origins_lock);  in get_origin_minimum_chunksize()
2288 	up_read(&_origins_lock);  in get_origin_minimum_chunksize()
2391 		down_read(&_origins_lock);  in snapshot_io_hints()
2401 		up_read(&_origins_lock);  in snapshot_io_hints()
2547 	down_read(&_origins_lock);  in do_origin()
2559 	up_read(&_origins_lock);  in do_origin()
2588 	down_read(&_origins_lock);  in origin_write_extent()
2594 	up_read(&_origins_lock);  in origin_write_extent()
2684 	down_write(&_origins_lock);  in origin_resume()
2686 	up_write(&_origins_lock);  in origin_resume()
2693 	down_write(&_origins_lock);  in origin_postsuspend()
2695 	up_write(&_origins_lock);  in origin_postsuspend()