Function ztest_spa_import_export

freebsd/contrib/openzfs/cmd/ztest/ztest.c:6659–6742

}

static void
ztest_spa_import_export(char *oldname, char *newname)
{
	nvlist_t *config, *newconfig;
	uint64_t pool_guid;
	spa_t *spa;
	int error;

	if (ztest_opts.zo_verbose >= 4) {
		(void) printf("import/export: old = %s, new = %s\n",
		    oldname, newname);
	}

	/*
	 * Clean up from previous runs.
	 */
	(void) spa_destroy(newname);

	/*
	 * Get the pool's configuration and guid.
	 */
	VERIFY3U(0, ==, spa_open(oldname, &spa, FTAG));

	/*
	 * Kick off a scrub to tickle scrub/export races.
	 */
	if (ztest_random(2) == 0)
		(void) spa_scan(spa, POOL_SCAN_SCRUB);

	pool_guid = spa_guid(spa);
	spa_close(spa, FTAG);

	ztest_walk_pool_directory("pools before export");

	/*
	 * Export it.
	 */
	VERIFY3U(0, ==, spa_export(oldname, &config, B_FALSE, B_FALSE));

	ztest_walk_pool_directory("pools after export");

	/*
	 * Try to import it.
	 */
	newconfig = spa_tryimport(config);
	ASSERT(newconfig != NULL);
	nvlist_free(newconfig);

	/*
	 * Import it under the new name.
	 */
	error = spa_import(newname, config, NULL, 0);
	if (error != 0) {
		dump_nvlist(config, 0);
		fatal(B_FALSE, "couldn't import pool %s as %s: error %u",
		    oldname, newname, error);
	}