ws_list          1524 fs/btrfs/compression.c 	struct list_head *ws_list = get_workspace(0, 0);
ws_list          1530 fs/btrfs/compression.c 	ws = list_entry(ws_list, struct heuristic_ws, list);
ws_list          1593 fs/btrfs/compression.c 	put_workspace(0, ws_list);