ZPOOL_TRIM_VDEVS
ZPOOL_TRIM_VDEVS);
fnvlist_add_nvlist(args, ZPOOL_TRIM_VDEVS, vdevs);
fnvlist_add_nvlist(required, ZPOOL_TRIM_VDEVS, vdev_guids);
{ZPOOL_TRIM_VDEVS, DATA_TYPE_NVLIST, 0},
if (nvlist_lookup_nvlist(innvl, ZPOOL_TRIM_VDEVS, &vdev_guids) != 0)
fnvlist_add_nvlist(outnvl, ZPOOL_TRIM_VDEVS, vdev_errlist);