xfs_trim_should_stop
if (xfs_trim_should_stop())
if (xfs_trim_should_stop()) {
} while (!xfs_trim_should_stop() && low <= high);
} while (!xfs_trim_should_stop() && low <= high);
if (xfs_trim_should_stop()) {
if (rt_bdev && !xfs_trim_should_stop()) {