Function zdb_claim_removing

freebsd/contrib/openzfs/cmd/zdb/zdb.c:5404–5447

* After accounting for all allocated blocks that are directly referenced, * we might have missed a reference to a block from a partially complete * (and thus unused) indirect mapping object. We perform a secondary pass * through the metaslabs we have already mapped and claim the destination * blocks. */

 * blocks.
 */
static void
zdb_claim_removing(spa_t *spa, zdb_cb_t *zcb)
{
	if (dump_opt['L'])
		return;

	if (spa->spa_vdev_removal == NULL)
		return;

	spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);

	spa_vdev_removal_t *svr = spa->spa_vdev_removal;
	vdev_t *vd = vdev_lookup_top(spa, svr->svr_vdev_id);
	vdev_indirect_mapping_t *vim = vd->vdev_indirect_mapping;

	ASSERT0(range_tree_space(svr->svr_allocd_segs));

	range_tree_t *allocs = range_tree_create(NULL, RANGE_SEG64, NULL, 0, 0);
	for (uint64_t msi = 0; msi < vd->vdev_ms_count; msi++) {
		metaslab_t *msp = vd->vdev_ms[msi];

		ASSERT0(range_tree_space(allocs));
		if (msp->ms_sm != NULL)
			VERIFY0(space_map_load(msp->ms_sm, allocs, SM_ALLOC));
		range_tree_vacate(allocs, range_tree_add, svr->svr_allocd_segs);
	}
	range_tree_destroy(allocs);

	iterate_through_spacemap_logs(spa, load_unflushed_svr_segs_cb, svr);

	/*
	 * Clear everything past what has been synced,
	 * because we have not allocated mappings for
	 * it yet.
	 */
	range_tree_clear(svr->svr_allocd_segs,
	    vdev_indirect_mapping_max_offset(vim),
	    vd->vdev_asize - vdev_indirect_mapping_max_offset(vim));

	zcb->zcb_removing_size += range_tree_space(svr->svr_allocd_segs);
	range_tree_vacate(svr->svr_allocd_segs, claim_segment_cb, vd);

	spa_config_exit(spa, SCL_CONFIG, FTAG);
}

/* ARGSUSED */
static int