Function vdev_dtl_contains

freebsd/contrib/openzfs/module/zfs/vdev.c:2643–2666

}

boolean_t
vdev_dtl_contains(vdev_t *vd, vdev_dtl_type_t t, uint64_t txg, uint64_t size)
{
	range_tree_t *rt = vd->vdev_dtl[t];
	boolean_t dirty = B_FALSE;

	ASSERT(t < DTL_TYPES);
	ASSERT(vd != vd->vdev_spa->spa_root_vdev);

	/*
	 * While we are loading the pool, the DTLs have not been loaded yet.
	 * This isn't a problem but it can result in devices being tried
	 * which are known to not have the data.  In which case, the import
	 * is relying on the checksum to ensure that we get the right data.
	 * Note that while importing we are only reading the MOS, which is
	 * always checksummed.
	 */
	mutex_enter(&vd->vdev_dtl_lock);
	if (!range_tree_is_empty(rt))
		dirty = range_tree_contains(rt, txg, size);
	mutex_exit(&vd->vdev_dtl_lock);

	return (dirty);
}

boolean_t
vdev_dtl_empty(vdev_t *vd, vdev_dtl_type_t t)