313 static struct rw_semaphore _origins_lock;  variable
342 	init_rwsem(&_origins_lock);  in init_origin_hash()
531 	down_write(&_origins_lock);  in register_snapshot()
556 	up_write(&_origins_lock);  in register_snapshot()
568 	down_write(&_origins_lock);  in reregister_snapshot()
573 	up_write(&_origins_lock);  in reregister_snapshot()
580 	down_write(&_origins_lock);  in unregister_snapshot()
589 	up_write(&_origins_lock);  in unregister_snapshot()
1319 	down_read(&_origins_lock);  in snapshot_dtr()
1328 	up_read(&_origins_lock);  in snapshot_dtr()
1858 	down_read(&_origins_lock);  in snapshot_preresume()
1873 	up_read(&_origins_lock);  in snapshot_preresume()
1886 	down_read(&_origins_lock);  in snapshot_resume()
1903 	up_read(&_origins_lock);  in snapshot_resume()
1913 	down_read(&_origins_lock);  in snapshot_resume()
1924 	up_read(&_origins_lock);  in snapshot_resume()
1945 	down_read(&_origins_lock);  in get_origin_minimum_chunksize()
1947 	up_read(&_origins_lock);  in get_origin_minimum_chunksize()
2165 	down_read(&_origins_lock);  in do_origin()
2169 	up_read(&_origins_lock);  in do_origin()
2198 	down_read(&_origins_lock);  in origin_write_extent()
2204 	up_read(&_origins_lock);  in origin_write_extent()
2294 	down_write(&_origins_lock);  in origin_resume()
2296 	up_write(&_origins_lock);  in origin_resume()
2303 	down_write(&_origins_lock);  in origin_postsuspend()
2305 	up_write(&_origins_lock);  in origin_postsuspend()