cmd/zpool/zpool_vdev.c

40  * 	Hot spares
47  * Hot spares are a special case, and passed down as an array of disk vdevs, at
334 		 * Allow hot spares to be shared between pools.
875 	 * for spares there may be no children, and therefore no
1054 	nvlist_t **spares;
1078 	    &spares, &nspares) == 0) {
1080 			verify(nvlist_lookup_uint64(spares[i],
1228 	nvlist_t *nvroot, *nv, **top, **spares, **l2cache;
1236 	spares = NULL;
1256 				if (spares != NULL) {
1339 				spares = child;
1409 		    spares, nspares) == 0);
1417 		nvlist_free(spares[t]);
1420 	if (spares)
1421 		free(spares);