OS-1566 filesystem limits for ZFS datasets

*** 1795,1804 ****
--- 1795,1806 ----
          case ZFS_PROP_VOLSIZE:
          case ZFS_PROP_QUOTA:
          case ZFS_PROP_REFQUOTA:
          case ZFS_PROP_RESERVATION:
          case ZFS_PROP_REFRESERVATION:
+         case ZFS_PROP_FILESYSTEM_LIMIT:
+         case ZFS_PROP_SNAPSHOT_LIMIT:
                  *val = getprop_uint64(zhp, prop, source);
  
                  if (*source == NULL) {
                          /* not default, must be local */
                          *source = zhp->zfs_name;
*** 2213,2222 ****
--- 2215,2246 ----
                                  (void) snprintf(propbuf, proplen, "%llu",
                                      (u_longlong_t)val);
                          else
                                  zfs_nicenum(val, propbuf, proplen);
                  }
+                 break;
+ 
+         case ZFS_PROP_FILESYSTEM_LIMIT:
+         case ZFS_PROP_SNAPSHOT_LIMIT:
+ 
+                 if (get_numeric_property(zhp, prop, src, &source, &val) != 0)
+                         return (-1);
+ 
+                 /*
+                  * If limit is UINT64_MAX, we translate this into 'none' (unless
+                  * literal is set), and indicate that it's the default value.
+                  * Otherwise, we print the number nicely and indicate that it's
+                  * set locally.
+                  */
+                 if (literal) {
+                         (void) snprintf(propbuf, proplen, "%llu",
+                             (u_longlong_t)val);
+                 } else if (val == UINT64_MAX) {
+                         (void) strlcpy(propbuf, "none", proplen);
+                 } else {
+                         zfs_nicenum(val, propbuf, proplen);
+                 }
                  break;
  
          case ZFS_PROP_REFRATIO:
          case ZFS_PROP_COMPRESSRATIO:
                  if (get_numeric_property(zhp, prop, src, &source, &val) != 0)