libzfs/common/libzfs_sendrecv.c

545 	const char *fromsnap;
553 	 *   "fromsnap" -> string (if incremental)
558 	 *	 "parentfromsnap" -> number (guid of fromsnap in parent)
587 	 * NB: if there is no fromsnap here (it's a newly created fs in
590 	if ((sd->fromsnap && strcmp(snapname, sd->fromsnap) == 0) ||
739 gather_nvlist(libzfs_handle_t *hdl, const char *fsname, const char *fromsnap,
751 	sd.fromsnap = fromsnap;
860 	const char *fromsnap;
878  * Dumps a backup of the given snapshot (incremental from fromsnap if it's not
882 dump_ioctl(zfs_handle_t *zhp, const char *fromsnap, uint64_t fromsnap_obj,
899 	if (fromsnap && fromsnap[0] != '\0') {
901 		    "fromsnap", fromsnap));
1004 	isfromsnap = (sdd->fromsnap != NULL &&
1005 	    strcmp(sdd->fromsnap, thissnap) == 0);
1111 	if (sdd->replicate && sdd->fromsnap) {
1113 		 * If this fs does not have fromsnap, and we're doing
1120 		    zhp->zfs_name, sdd->fromsnap);
1129 	if (sdd->fromsnap == NULL || missingfrom)
1138 		    zhp->zfs_name, sdd->fromsnap);
1141 		if (sdd->fromsnap) {
1147 			    zhp->zfs_name, sdd->fromsnap);
1246  *     - from the snapshot identified by "fromsnap" (if non-null) or
1248  *	 be a clone.  In this case, "fromsnap" is null and "fromorigin"
1258 zfs_send(zfs_handle_t *zhp, const char *fromsnap, const char *tosnap,
1278 	if (fromsnap && fromsnap[0] == '\0') {
1327 			if (fromsnap) {
1329 				    "fromsnap", fromsnap));
1338 			    fromsnap, tosnap, flags.replicate, &fss, &fsavl);
1396 	sdd.fromsnap = fromsnap;
1767 	char *fromsnap;
1773 	VERIFY(0 == nvlist_lookup_string(stream_nv, "fromsnap", &fromsnap));
1784 	if ((error = gather_nvlist(hdl, tofs, fromsnap, NULL,
1938 			if (strcmp(stream_snapname, fromsnap) == 0)
1959 				    "fromsnap (%s in stream); must have "
1961 				    fsname, fromsnap);
2048 	char *fromsnap = NULL;
2117 	(void) nvlist_lookup_string(stream_nv, "fromsnap", &fromsnap);
2131 		if (fromsnap != NULL) {
2219 	if (drr->drr_payloadlen != 0 && fromsnap != NULL) {
2521 		 * fromsnap GUID