iolatency_set_min_lat_nsec 833 block/blk-iolatency.c enable = iolatency_set_min_lat_nsec(blkg, lat_val); iolatency_set_min_lat_nsec 1007 block/blk-iolatency.c ret = iolatency_set_min_lat_nsec(blkg, 0);