Function zfs_ioc_pool_initialize

freebsd/contrib/openzfs/module/zfs/zfs_ioctl.c:3946–3992

};

static int
zfs_ioc_pool_initialize(const char *poolname, nvlist_t *innvl, nvlist_t *outnvl)
{
	uint64_t cmd_type;
	if (nvlist_lookup_uint64(innvl, ZPOOL_INITIALIZE_COMMAND,
	    &cmd_type) != 0) {
		return (SET_ERROR(EINVAL));
	}

	if (!(cmd_type == POOL_INITIALIZE_CANCEL ||
	    cmd_type == POOL_INITIALIZE_START ||
	    cmd_type == POOL_INITIALIZE_SUSPEND)) {
		return (SET_ERROR(EINVAL));
	}

	nvlist_t *vdev_guids;
	if (nvlist_lookup_nvlist(innvl, ZPOOL_INITIALIZE_VDEVS,
	    &vdev_guids) != 0) {
		return (SET_ERROR(EINVAL));
	}

	for (nvpair_t *pair = nvlist_next_nvpair(vdev_guids, NULL);
	    pair != NULL; pair = nvlist_next_nvpair(vdev_guids, pair)) {
		uint64_t vdev_guid;
		if (nvpair_value_uint64(pair, &vdev_guid) != 0) {
			return (SET_ERROR(EINVAL));
		}
	}

	spa_t *spa;
	int error = spa_open(poolname, &spa, FTAG);
	if (error != 0)
		return (error);

	nvlist_t *vdev_errlist = fnvlist_alloc();
	int total_errors = spa_vdev_initialize(spa, vdev_guids, cmd_type,
	    vdev_errlist);

	if (fnvlist_size(vdev_errlist) > 0) {
		fnvlist_add_nvlist(outnvl, ZPOOL_INITIALIZE_VDEVS,
		    vdev_errlist);
	}
	fnvlist_free(vdev_errlist);

	spa_close(spa, FTAG);
	return (total_errors > 0 ? EINVAL : 0);
}

/*
 * innvl: {