OS-1566 filesystem limits for ZFS datasets

*** 615,630 ****
                  if (!INGLOBALZONE(curproc))
                          return (EPERM);
                  break;
  
          case ZFS_PROP_QUOTA:
                  if (!INGLOBALZONE(curproc)) {
                          uint64_t zoned;
                          char setpoint[MAXNAMELEN];
                          /*
                           * Unprivileged users are allowed to modify the
!                          * quota on things *under* (ie. contained by)
                           * the thing they own.
                           */
                          if (dsl_prop_get_integer(dsname, "zoned", &zoned,
                              setpoint))
                                  return (EPERM);
--- 615,632 ----
                  if (!INGLOBALZONE(curproc))
                          return (EPERM);
                  break;
  
          case ZFS_PROP_QUOTA:
+         case ZFS_PROP_FILESYSTEM_LIMIT:
+         case ZFS_PROP_SNAPSHOT_LIMIT:
                  if (!INGLOBALZONE(curproc)) {
                          uint64_t zoned;
                          char setpoint[MAXNAMELEN];
                          /*
                           * Unprivileged users are allowed to modify the
!                          * limit on things *under* (ie. contained by)
                           * the thing they own.
                           */
                          if (dsl_prop_get_integer(dsname, "zoned", &zoned,
                              setpoint))
                                  return (EPERM);
*** 2382,2391 ****
--- 2384,2401 ----
                  err = dsl_dir_set_quota(dsname, source, intval);
                  break;
          case ZFS_PROP_REFQUOTA:
                  err = dsl_dataset_set_quota(dsname, source, intval);
                  break;
+         case ZFS_PROP_FILESYSTEM_LIMIT:
+                 err = dsl_dir_validate_fs_ss_limit(dsname, intval,
+                     ZFS_PROP_FILESYSTEM_LIMIT);
+                 break;
+         case ZFS_PROP_SNAPSHOT_LIMIT:
+                 err = dsl_dir_validate_fs_ss_limit(dsname, intval,
+                     ZFS_PROP_SNAPSHOT_LIMIT);
+                 break;
          case ZFS_PROP_RESERVATION:
                  err = dsl_dir_set_reservation(dsname, source, intval);
                  break;
          case ZFS_PROP_REFRESERVATION:
                  err = dsl_dataset_set_reservation(dsname, source, intval);