319 static struct rw_semaphore _origins_lock;  variable
349 	init_rwsem(&_origins_lock);  in init_origin_hash()
538 	down_write(&_origins_lock);  in register_snapshot()
563 	up_write(&_origins_lock);  in register_snapshot()
575 	down_write(&_origins_lock);  in reregister_snapshot()
580 	up_write(&_origins_lock);  in reregister_snapshot()
587 	down_write(&_origins_lock);  in unregister_snapshot()
596 	up_write(&_origins_lock);  in unregister_snapshot()
1337 	down_read(&_origins_lock);  in snapshot_dtr()
1346 	up_read(&_origins_lock);  in snapshot_dtr()
1891 	down_read(&_origins_lock);  in snapshot_preresume()
1906 	up_read(&_origins_lock);  in snapshot_preresume()
1919 	down_read(&_origins_lock);  in snapshot_resume()
1936 	up_read(&_origins_lock);  in snapshot_resume()
1946 	down_read(&_origins_lock);  in snapshot_resume()
1957 	up_read(&_origins_lock);  in snapshot_resume()
1978 	down_read(&_origins_lock);  in get_origin_minimum_chunksize()
1980 	up_read(&_origins_lock);  in get_origin_minimum_chunksize()
2200 	down_read(&_origins_lock);  in do_origin()
2204 	up_read(&_origins_lock);  in do_origin()
2233 	down_read(&_origins_lock);  in origin_write_extent()
2239 	up_read(&_origins_lock);  in origin_write_extent()
2336 	down_write(&_origins_lock);  in origin_resume()
2338 	up_write(&_origins_lock);  in origin_resume()
2345 	down_write(&_origins_lock);  in origin_postsuspend()
2347 	up_write(&_origins_lock);  in origin_postsuspend()