1218 dmu_send_obj(const char *pool, uint64_t tosnap, uint64_t fromsnap,  in dmu_send_obj()  argument
1239 	if (fromsnap != 0) {  in dmu_send_obj()
1243 		err = dsl_dataset_hold_obj(dp, fromsnap, FTAG, &fromds);  in dmu_send_obj()
1283 dmu_send(const char *tosnap, const char *fromsnap, boolean_t embedok,  in dmu_send()  argument
1295 	if (fromsnap != NULL && strpbrk(fromsnap, "@#") == NULL)  in dmu_send()
1316 	if (fromsnap != NULL) {  in dmu_send()
1322 		 * If the fromsnap is in a different filesystem, then  in dmu_send()
1325 		if (strncmp(tosnap, fromsnap, fsnamelen) != 0 ||  in dmu_send()
1326 		    (fromsnap[fsnamelen] != '@' &&  in dmu_send()
1327 		    fromsnap[fsnamelen] != '#')) {  in dmu_send()
1331 		if (strchr(fromsnap, '@')) {  in dmu_send()
1333 			err = dsl_dataset_hold(dp, fromsnap, FTAG, &fromds);  in dmu_send()
1353 			err = dsl_bookmark_lookup(dp, fromsnap, ds, &zb);  in dmu_send()
1449 	/* fromsnap, if provided, must be a snapshot */  in dmu_send_estimate()
1454 	 * fromsnap must be an earlier snapshot from the same fs as tosnap,  in dmu_send_estimate()