205 	dm_target_snapshot_config_t *tsc;  in dm_target_snapshot_init()  local
218 	tsc = kmem_alloc(sizeof(*tsc), KM_SLEEP);  in dm_target_snapshot_init()
219 	tsc->tsc_persistent_dev = 0;  in dm_target_snapshot_init()
223 		tsc->tsc_persistent_dev = 1;  in dm_target_snapshot_init()
227 			kmem_free(tsc, sizeof(*tsc));  in dm_target_snapshot_init()
231 	tsc->tsc_chunk_size = atoi64(argv[3]);  in dm_target_snapshot_init()
233 	tsc->tsc_snap_dev = dmp_snap;  in dm_target_snapshot_init()
234 	tsc->tsc_cow_dev = dmp_cow;  in dm_target_snapshot_init()
238 	table_en->target_config = tsc;  in dm_target_snapshot_init()
251 	dm_target_snapshot_config_t *tsc;  in dm_target_snapshot_table()  local
258 	tsc = target_config;  in dm_target_snapshot_table()
267 	for (i = tsc->tsc_chunk_size; i != 0; i /= 10)  in dm_target_snapshot_table()
270 	if (tsc->tsc_persistent_dev)  in dm_target_snapshot_table()
271 		cow_len = strlen(tsc->tsc_cow_dev->name);  in dm_target_snapshot_table()
274 	prm_len = strlen(tsc->tsc_snap_dev->name) + cow_len + count + 5;  in dm_target_snapshot_table()
278 	printf("%s %s %s %" PRIu64 "\n", tsc->tsc_snap_dev->name,  in dm_target_snapshot_table()
279 	    tsc->tsc_cow_dev->name, tsc->tsc_persistent_dev ? "p" : "n",  in dm_target_snapshot_table()
280 	    tsc->tsc_chunk_size);  in dm_target_snapshot_table()
282 	snprintf(params, prm_len, "%s %s %s %" PRIu64, tsc->tsc_snap_dev->name,  in dm_target_snapshot_table()
283 	    tsc->tsc_persistent_dev ? tsc->tsc_cow_dev->name : "",  in dm_target_snapshot_table()
284 	    tsc->tsc_persistent_dev ? "p" : "n",  in dm_target_snapshot_table()
285 	    tsc->tsc_chunk_size);  in dm_target_snapshot_table()
324 	dm_target_snapshot_config_t *tsc = table_en->target_config;  in dm_target_snapshot_destroy()  local
327 	dm_pdev_decr(tsc->tsc_snap_dev);  in dm_target_snapshot_destroy()
328 	if (tsc->tsc_persistent_dev)  in dm_target_snapshot_destroy()
329 		dm_pdev_decr(tsc->tsc_cow_dev);  in dm_target_snapshot_destroy()
331 	kmem_free(tsc, sizeof(*tsc));  in dm_target_snapshot_destroy()